diff --git a/src/plugins/wp/tests/wp_acsl/classify_float.c b/src/plugins/wp/tests/wp_acsl/classify_float.c
index 8c4932391e6248f70ca55fb5d29ae2b59cb0d332..9a1e8e74b4239aaf28bc2497cf0659cea9b6027f 100644
--- a/src/plugins/wp/tests/wp_acsl/classify_float.c
+++ b/src/plugins/wp/tests/wp_acsl/classify_float.c
@@ -1,6 +1,5 @@
 /* run.config_qualif
    OPT: -wp-prover alt-ergo
-   OPT: -wp-prover native:alt-ergo
    OPT: -wp-prover native:coq -wp-coq-script %{dep:@PTEST_DIR@/classify_float.script}
    OPT: -wp-model real
  */
diff --git a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.1.res.oracle b/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.1.res.oracle
index efbf0e0a5e995775beccb153f9ac586f1301faaf..8d89bf6103e89d700c551ea565d3cd4a814e3d35 100644
--- a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.1.res.oracle
+++ b/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.1.res.oracle
@@ -1,14 +1,17 @@
 # frama-c -wp [...]
 [kernel] Parsing classify_float.c (with preprocessing)
 [wp] Running WP plugin...
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
+[wp] Warning: native support for coq is deprecated, use tip instead
 [wp] 3 goals scheduled
-[wp] [Alt-Ergo (native)] Goal typed_lemma_InfN_not_finite : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_InfP_not_finite : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_NaN_not_finite : Valid
+[wp] [Coq] Goal typed_lemma_InfN_not_finite : Saved script
+[wp] [Coq (native)] Goal typed_lemma_InfN_not_finite : Valid
+[wp] [Coq] Goal typed_lemma_InfP_not_finite : Saved script
+[wp] [Coq (native)] Goal typed_lemma_InfP_not_finite : Valid
+[wp] [Coq] Goal typed_lemma_NaN_not_finite : Saved script
+[wp] [Coq (native)] Goal typed_lemma_NaN_not_finite : Valid
 [wp] Proved goals:    3 / 3
-  Qed:                  0 
-  Alt-Ergo (native):    3
+  Qed:             0 
+  Coq (native):    3
 ------------------------------------------------------------
  Axiomatics                WP     Alt-Ergo  Total   Success
   Lemma                     -        -        3       100%
diff --git a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.2.res.oracle b/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.2.res.oracle
index 8d89bf6103e89d700c551ea565d3cd4a814e3d35..286b26bfd5491319fddcef10db56cffae1838565 100644
--- a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.2.res.oracle
+++ b/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.2.res.oracle
@@ -1,18 +1,13 @@
 # frama-c -wp [...]
 [kernel] Parsing classify_float.c (with preprocessing)
 [wp] Running WP plugin...
-[wp] Warning: native support for coq is deprecated, use tip instead
 [wp] 3 goals scheduled
-[wp] [Coq] Goal typed_lemma_InfN_not_finite : Saved script
-[wp] [Coq (native)] Goal typed_lemma_InfN_not_finite : Valid
-[wp] [Coq] Goal typed_lemma_InfP_not_finite : Saved script
-[wp] [Coq (native)] Goal typed_lemma_InfP_not_finite : Valid
-[wp] [Coq] Goal typed_lemma_NaN_not_finite : Saved script
-[wp] [Coq (native)] Goal typed_lemma_NaN_not_finite : Valid
+[wp] [Qed] Goal typed_real_lemma_InfN_not_finite : Valid
+[wp] [Qed] Goal typed_real_lemma_InfP_not_finite : Valid
+[wp] [Qed] Goal typed_real_lemma_NaN_not_finite : Valid
 [wp] Proved goals:    3 / 3
-  Qed:             0 
-  Coq (native):    3
+  Qed:             3
 ------------------------------------------------------------
  Axiomatics                WP     Alt-Ergo  Total   Success
-  Lemma                     -        -        3       100%
+  Lemma                     3        -        3       100%
 ------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.3.res.oracle b/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.3.res.oracle
deleted file mode 100644
index d56892bed73e2320f69ba98f7d23a947f7420d22..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_acsl/oracle_qualif/classify_float.3.res.oracle
+++ /dev/null
@@ -1,13 +0,0 @@
-# frama-c -wp -wp-model 'Typed (Real)' [...]
-[kernel] Parsing classify_float.c (with preprocessing)
-[wp] Running WP plugin...
-[wp] 3 goals scheduled
-[wp] [Qed] Goal typed_real_lemma_InfN_not_finite : Valid
-[wp] [Qed] Goal typed_real_lemma_InfP_not_finite : Valid
-[wp] [Qed] Goal typed_real_lemma_NaN_not_finite : Valid
-[wp] Proved goals:    3 / 3
-  Qed:             3
-------------------------------------------------------------
- Axiomatics                WP     Alt-Ergo  Total   Success
-  Lemma                     3        -        3       100%
-------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/abs.driver b/src/plugins/wp/tests/wp_plugin/abs.driver
index 97bcd60eadc035dc88e07d7176196f32c897b3c0..691ecd65e6a56e4e30c9201e273e2bbd6707b9f8 100644
--- a/src/plugins/wp/tests/wp_plugin/abs.driver
+++ b/src/plugins/wp/tests/wp_plugin/abs.driver
@@ -2,5 +2,4 @@ library "abs":
 logic integer ABS (integer) = "my_abs" ;
 
 coq.file := "Abs.v";
-altergo.file := "abs.mlw";
 why3.file := "abs.why";
diff --git a/src/plugins/wp/tests/wp_plugin/abs.i b/src/plugins/wp/tests/wp_plugin/abs.i
index 321483c54b8ade7cb3782870de9e9a5cc49b0445..2992f8953e5d03a9fdfb65808d32cb82476ae185 100644
--- a/src/plugins/wp/tests/wp_plugin/abs.i
+++ b/src/plugins/wp/tests/wp_plugin/abs.i
@@ -8,7 +8,6 @@
  DEPS: abs.why abs.mlw abs.script Abs.v
    OPT: -wp -wp-driver %{dep:@PTEST_DIR@/abs.driver} -wp-prover alt-ergo
    OPT: -wp -wp-driver %{dep:@PTEST_DIR@/abs.driver} -wp-prover native:coq -wp-coq-script %{dep:@PTEST_DIR@/abs.script}
-   OPT: -wp -wp-driver %{dep:@PTEST_DIR@/abs.driver} -wp-prover native:alt-ergo
 */
 /*@ axiomatic Absolute { logic integer ABS(integer x) ; } */
 
diff --git a/src/plugins/wp/tests/wp_plugin/convert.i b/src/plugins/wp/tests/wp_plugin/convert.i
index 2dce3a4622568c9e1a54a0b8e00ecf5d4b4301a6..c1cd5e0b31ebd6d52ad1a7a358b05d820fae632c 100644
--- a/src/plugins/wp/tests/wp_plugin/convert.i
+++ b/src/plugins/wp/tests/wp_plugin/convert.i
@@ -4,7 +4,6 @@
 
 /* run.config_qualif
    OPT:
-   OPT: -wp-prover native:alt-ergo -wp-report=%{dep:@PTEST_SUITE_DIR@/../native.report}
 */
 
 // --------------------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/flash-ergo.driver b/src/plugins/wp/tests/wp_plugin/flash-ergo.driver
deleted file mode 100644
index 3a0caaa7b5aa77e404741f3fb27e0d8bd0f47609..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/flash-ergo.driver
+++ /dev/null
@@ -1,2 +0,0 @@
-library INDEX: const
-logic index INDEX_init = {coq="dumb"; altergo="const(0)"; why3="Flash.init"; } ;
diff --git a/src/plugins/wp/tests/wp_plugin/flash.c b/src/plugins/wp/tests/wp_plugin/flash.c
index 957b7a677555f5350e219743644a4507973b389b..f289baa8d10249b415dec0f9db6673c39c77b7de 100644
--- a/src/plugins/wp/tests/wp_plugin/flash.c
+++ b/src/plugins/wp/tests/wp_plugin/flash.c
@@ -1,15 +1,11 @@
 /* run.config
    OPT:
- DEPS: flash.mlw
-   OPT: -wp-driver %{dep:@PTEST_DIR@/flash.driver},%{dep:@PTEST_DIR@/flash-ergo.driver}
 SCRIPT: flash
    OPT: -wp-driver %{dep:@PTEST_DIR@/flash.driver}
 */
 
 /* run.config_qualif
    OPT: -wp-timeout 1
- DEPS: flash.mlw
-   OPT: -wp-driver %{dep:@PTEST_DIR@/flash.driver},%{dep:@PTEST_DIR@/flash-ergo.driver}
 SCRIPT: @PTEST_NAME@
    OPT: -wp-driver %{dep:@PTEST_DIR@/flash.driver}
 */
@@ -22,7 +18,7 @@ SCRIPT: @PTEST_NAME@
 
 /*@
   axiomatic EVENT {
-  type event = 
+  type event =
   | RdAt_int(int *)
   | WrAt_int(int *)
   ;
@@ -47,7 +43,7 @@ SCRIPT: @PTEST_NAME@
 
 //@ghost int RD_time ;
 
-/*@ 
+/*@
   axiomatic RD {
   logic index RD_current{L} reads RD_time;
   logic index RD_update( index idx , int *p ) reads \nothing;
@@ -73,7 +69,7 @@ int RD(int *p);
 
 //@ ghost int WR_time ;
 
-/*@ 
+/*@
   axiomatic WR {
   logic index WR_current{L} reads WR_time;
   logic index WR_update( index idx , int *p ) reads \nothing;
diff --git a/src/plugins/wp/tests/wp_plugin/flash.driver b/src/plugins/wp/tests/wp_plugin/flash.driver
index 9196ec9571aacbb4e95249cd9e79a57184b829bb..90ab84348e0d05df1b59ba21f7ba9390c958c512 100644
--- a/src/plugins/wp/tests/wp_plugin/flash.driver
+++ b/src/plugins/wp/tests/wp_plugin/flash.driver
@@ -1,8 +1,8 @@
 library INDEX: memory
 why3.file += "flash.mlw";
-type index = {coq="dumb"; altergo="(addr,int)farray"; why3="Flash.t"; } ;
-logic integer INDEX_access( index , addr ) = {coq="dumb"; altergo="(%1)[%2]"; why3="Flash.get"; } ;
-logic index   INDEX_update( index , addr ) = {coq="dumb"; altergo="((%1)[(%2) <- (%1)[%2]+1])"; why3="Flash.update"};
+type index = {coq="dumb"; why3="Flash.t"; } ;
+logic integer INDEX_access( index , addr ) = {coq="dumb"; why3="Flash.get"; } ;
+logic index   INDEX_update( index , addr ) = {coq="dumb"; why3="Flash.update"};
 logic index   INDEX_init := "INDEX_init" ;
 
 library RD: INDEX
diff --git a/src/plugins/wp/tests/wp_plugin/flash.mlw b/src/plugins/wp/tests/wp_plugin/flash.mlw
deleted file mode 100644
index 2d8a45bfb6c52f340992c99113318b4df4c8aba0..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/flash.mlw
+++ /dev/null
@@ -1,13 +0,0 @@
-module Flash
-       use map.Map
-       use map.Const
-       use int.Int
-       use frama_c_wp.memory.Memory
-
-       type t = map addr int
-
-       function get (m:t) (x:addr) : int = m[x]
-       function update (m:t) (x:addr) : t = m[ x <- (m[x] + 1) ]
-
-       function init : t = const 0
-end
diff --git a/src/plugins/wp/tests/wp_plugin/float_format.i b/src/plugins/wp/tests/wp_plugin/float_format.i
index cdca1c6d758b266bfcef3b4a3727f19a234f8500..1aedc8151c7a89d30e89588646ac46f5db65d229 100644
--- a/src/plugins/wp/tests/wp_plugin/float_format.i
+++ b/src/plugins/wp/tests/wp_plugin/float_format.i
@@ -1,6 +1,5 @@
 /* run.config_qualif
    OPT: -wp-prover native:coq
-   OPT: -wp-prover native:alt-ergo -wp-steps 5 -wp-timeout 100
    OPT: -wp-prover alt-ergo -wp-steps 5 -wp-timeout 100
 */
 
diff --git a/src/plugins/wp/tests/wp_plugin/math.i b/src/plugins/wp/tests/wp_plugin/math.i
index d2a3d2ce303de8ef3b5c4f48ce0bcfa4b426570a..53a3106b4c5a605686807ae0bf937daa3a0c65db 100644
--- a/src/plugins/wp/tests/wp_plugin/math.i
+++ b/src/plugins/wp/tests/wp_plugin/math.i
@@ -3,10 +3,8 @@
 */
 
 /* run.config_qualif
-   OPT: -wp-prover alt-ergo                                              -wp-prop=-ko  -wp-timeout 100 -wp-steps 1500
-   OPT: -wp-prover native:alt-ergo -wp-report=%{dep:@PTEST_SUITE_DIR@/../native.report} -wp-prop=-ko  -wp-timeout 100 -wp-steps 1500
-   OPT: -wp-prover alt-ergo                                              -wp-prop=ko   -wp-timeout 100 -wp-steps 10
-   OPT: -wp-prover native:alt-ergo -wp-report=%{dep:@PTEST_SUITE_DIR@/../native.report} -wp-prop=ko   -wp-timeout 100 -wp-steps 10
+   OPT: -wp-prover alt-ergo -wp-prop=-ko  -wp-timeout 100 -wp-steps 1500
+   OPT: -wp-prover alt-ergo -wp-prop=ko   -wp-timeout 100 -wp-steps 10
 */
 
 // --------------------------------------------------------------------------
@@ -63,7 +61,7 @@
 // --- Polar
 // --------------------------------------------------------------------------
 
-//@ lemma distance: \forall real x,y; \hypot(x,y) == \sqrt( x*x + y*y ); 
+//@ lemma distance: \forall real x,y; \hypot(x,y) == \sqrt( x*x + y*y );
 
 // --------------------------------------------------------------------------
 
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/abs.2.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/abs.2.res.oracle
deleted file mode 100644
index 34c366ca1cffba4cf705fc0c994faccac7529d81..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/abs.2.res.oracle
+++ /dev/null
@@ -1,14 +0,0 @@
-# frama-c -wp [...]
-[kernel] Parsing abs.i (no preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
-[wp] 1 goal scheduled
-[wp] [Alt-Ergo (native)] Goal typed_abs_abs_ensures : Valid
-[wp] Proved goals:    1 / 1
-  Qed:                  0 
-  Alt-Ergo (native):    1
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  abs                       -        -        1       100%
-------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.1.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.1.res.oracle
deleted file mode 100644
index 7bd9172a0194f3c00e9b0a7735d563aa01a970fd..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.1.res.oracle
+++ /dev/null
@@ -1,18 +0,0 @@
-# frama-c -wp [...]
-[kernel] Parsing convert.i (no preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
-[wp] 2 goals scheduled
-[wp] [Alt-Ergo (native)] Goal typed_lemma_ceil : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_floor : Valid
-[wp] Proved goals:    2 / 2
-  Qed:                  0 
-  Alt-Ergo (native):    2
-------------------------------------------------------------
- Axiomatics                WP     Alt-Ergo  Total   Success
-  Lemma                     -        -        2       100%
-------------------------------------------------------------
--------------------------------------------------------------
-Axiomatics          WP     Alt-Ergo (Native) Total Success
-Lemma               -       2                2       100%
--------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.0.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.res.oracle
similarity index 100%
rename from src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.0.res.oracle
rename to src/plugins/wp/tests/wp_plugin/oracle_qualif/convert.res.oracle
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.1.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.1.res.oracle
index 8419319f579d41c559a2b1a06ca94882a297dbeb..09997a7fac3dfc41bd52eb294988b1d2bdc12825 100644
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.1.res.oracle
+++ b/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.1.res.oracle
@@ -1,19 +1,17 @@
 # frama-c -wp [...]
 [kernel] Parsing flash.c (with preprocessing)
 [wp] Running WP plugin...
-[wp] flash-ergo.driver:2: Warning: Redefinition of logic INDEX_init
 [wp] Warning: Missing RTE guards
 [wp] 6 goals scheduled
-[wp] [Qed] Goal typed_flash_flash-ergo_job_ensures_Events : Valid
-[wp] [Alt-Ergo] Goal typed_flash_flash-ergo_job_ensures_A_reads : Valid
-[wp] [Alt-Ergo] Goal typed_flash_flash-ergo_job_ensures_B_reads : Valid
-[wp] [Alt-Ergo] Goal typed_flash_flash-ergo_job_ensures_B_writes : Valid
-[wp] [Alt-Ergo] Goal typed_flash_flash-ergo_job_ensures_ReadValues : Valid
-[wp] [Alt-Ergo] Goal typed_flash_flash-ergo_job_ensures_WriteValues : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_Events : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_A_reads : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_B_reads : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_B_writes : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_ReadValues : Valid
+[wp] [Qed] Goal typed_flash_job_ensures_WriteValues : Valid
 [wp] Proved goals:    6 / 6
-  Qed:             1 
-  Alt-Ergo:        5
+  Qed:             6
 ------------------------------------------------------------
  Functions                 WP     Alt-Ergo  Total   Success
-  job                       1        5        6       100%
+  job                       6        -        6       100%
 ------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.2.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.2.res.oracle
deleted file mode 100644
index 09997a7fac3dfc41bd52eb294988b1d2bdc12825..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/flash.2.res.oracle
+++ /dev/null
@@ -1,17 +0,0 @@
-# frama-c -wp [...]
-[kernel] Parsing flash.c (with preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] 6 goals scheduled
-[wp] [Qed] Goal typed_flash_job_ensures_Events : Valid
-[wp] [Qed] Goal typed_flash_job_ensures_A_reads : Valid
-[wp] [Qed] Goal typed_flash_job_ensures_B_reads : Valid
-[wp] [Qed] Goal typed_flash_job_ensures_B_writes : Valid
-[wp] [Qed] Goal typed_flash_job_ensures_ReadValues : Valid
-[wp] [Qed] Goal typed_flash_job_ensures_WriteValues : Valid
-[wp] Proved goals:    6 / 6
-  Qed:             6
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  job                       6        -        6       100%
-------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.0.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.0.res.oracle
index 035a7253a8796855be87d1e57b2c7182febefb46..d27cc13ed05839d0ddf88a3ed38c7c36ef17cf66 100644
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.0.res.oracle
+++ b/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.0.res.oracle
@@ -1,6 +1,6 @@
 # frama-c -wp [...]
 [kernel] Parsing float_format.i (no preprocessing)
-[kernel:parser:decimal-float] float_format.i:10: Warning: 
+[kernel:parser:decimal-float] float_format.i:9: Warning: 
   Floating-point constant 0.2 is not represented exactly. Will use 0x1.999999999999ap-3.
   (warn-once: no further messages from category 'parser:decimal-float' will be emitted)
 [wp] Running WP plugin...
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.1.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.1.res.oracle
index 0b38dce72acbbe0166038cebb9c17e7bb744cfdb..484b4e1bb0ef8cfe1c9cffa2b0a8a4aa599c97a0 100644
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.1.res.oracle
+++ b/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.1.res.oracle
@@ -1,15 +1,14 @@
 # frama-c -wp -wp-timeout 100 -wp-steps 5 [...]
 [kernel] Parsing float_format.i (no preprocessing)
-[kernel:parser:decimal-float] float_format.i:10: Warning: 
+[kernel:parser:decimal-float] float_format.i:9: Warning: 
   Floating-point constant 0.2 is not represented exactly. Will use 0x1.999999999999ap-3.
   (warn-once: no further messages from category 'parser:decimal-float' will be emitted)
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
 [wp] 1 goal scheduled
-[wp] [Alt-Ergo (native)] Goal typed_output_ensures_KO : Unsuccess
+[wp] [Alt-Ergo] Goal typed_output_ensures_KO : Unsuccess
 [wp] Proved goals:    0 / 1
-  Alt-Ergo (native):    0  (unsuccess: 1)
+  Alt-Ergo:        0  (unsuccess: 1)
 ------------------------------------------------------------
  Functions                 WP     Alt-Ergo  Total   Success
   output                    -        -        1       0.0%
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.2.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.2.res.oracle
deleted file mode 100644
index 876b56b73ef0f3a6041262e3113ca6d40502a1f5..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/float_format.2.res.oracle
+++ /dev/null
@@ -1,15 +0,0 @@
-# frama-c -wp -wp-timeout 100 -wp-steps 5 [...]
-[kernel] Parsing float_format.i (no preprocessing)
-[kernel:parser:decimal-float] float_format.i:10: Warning: 
-  Floating-point constant 0.2 is not represented exactly. Will use 0x1.999999999999ap-3.
-  (warn-once: no further messages from category 'parser:decimal-float' will be emitted)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] 1 goal scheduled
-[wp] [Alt-Ergo] Goal typed_output_ensures_KO : Unsuccess
-[wp] Proved goals:    0 / 1
-  Alt-Ergo:        0  (unsuccess: 1)
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  output                    -        -        1       0.0%
-------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.1.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.1.res.oracle
index 773a5245836281bda1c4734cac463b776176e985..69ac94a86894ed67b60991613cedc80023e2b4ad 100644
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.1.res.oracle
+++ b/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.1.res.oracle
@@ -1,53 +1,20 @@
-# frama-c -wp -wp-timeout 100 -wp-steps 1500 [...]
+# frama-c -wp -wp-timeout 100 -wp-steps 10 [...]
 [kernel] Parsing math.i (no preprocessing)
 [wp] Running WP plugin...
 [wp] Warning: Missing RTE guards
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
-[wp] 30 goals scheduled
-[wp] [Alt-Ergo (native)] Goal typed_lemma_abs_neg : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_abs_pos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_atan_sin_cos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_cosh_opp : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_distance : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_exp_log_add_mul : Valid
-[wp] [Qed] Goal typed_lemma_exp_pos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_log_exp_mul_add : Valid
-[wp] [Qed] Goal typed_lemma_max_ac : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_max_inf : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_max_or : Valid
-[wp] [Qed] Goal typed_lemma_min_ac : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_min_inf : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_min_or : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_pow_2 : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_sinh_opp : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_sqrt_mono : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_sqrt_pos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_lemma_tanh_opp : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_sin_asin : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_sin_asin_in_range : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_cos_acos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_cos_acos_in_range : Valid
-[wp] [Qed] Goal typed_ok_ensures_tan_atan : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_log_pow : Valid
-[wp] [Qed] Goal typed_ok_ensures_log_exp : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_exp_log : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_min_plus_distrib : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_sqrt_pos : Valid
-[wp] [Alt-Ergo (native)] Goal typed_ok_ensures_sqrt_pos0 : Valid
-[wp] Proved goals:   30 / 30
-  Qed:                  5 
-  Alt-Ergo (native):   25
-------------------------------------------------------------
- Axiomatics                WP     Alt-Ergo  Total   Success
-  Lemma                     3        -       19       100%
+[wp] 9 goals scheduled
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_sin_asin : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_cos_acos : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_asin_sin : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_acos_cos : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_atan_tan : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_log_pow : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_exp_log : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_exp_log_add_mul : Unsuccess
+[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_sqrt_pos : Unsuccess
+[wp] Proved goals:    0 / 9
+  Alt-Ergo:        0  (unsuccess: 9)
 ------------------------------------------------------------
  Functions                 WP     Alt-Ergo  Total   Success
-  ok                        2        -       11       100%
+  ko                        -        -        9       0.0%
 ------------------------------------------------------------
--------------------------------------------------------------
-Axiomatics          WP     Alt-Ergo (Native) Total Success
-Lemma                3     16               19       100%
--------------------------------------------------------------
-Functions           WP     Alt-Ergo (Native) Total Success
-ok                   2      9               11       100%
--------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.2.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.2.res.oracle
deleted file mode 100644
index 69ac94a86894ed67b60991613cedc80023e2b4ad..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.2.res.oracle
+++ /dev/null
@@ -1,20 +0,0 @@
-# frama-c -wp -wp-timeout 100 -wp-steps 10 [...]
-[kernel] Parsing math.i (no preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] 9 goals scheduled
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_sin_asin : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_cos_acos : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_asin_sin : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_acos_cos : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_atan_tan : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_log_pow : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_exp_log : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_exp_log_add_mul : Unsuccess
-[wp] [Alt-Ergo] Goal typed_ko_ensures_ko_sqrt_pos : Unsuccess
-[wp] Proved goals:    0 / 9
-  Alt-Ergo:        0  (unsuccess: 9)
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  ko                        -        -        9       0.0%
-------------------------------------------------------------
diff --git a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.3.res.oracle b/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.3.res.oracle
deleted file mode 100644
index d0872807ed58e412921ecbda4ffd377fb27c85eb..0000000000000000000000000000000000000000
--- a/src/plugins/wp/tests/wp_plugin/oracle_qualif/math.3.res.oracle
+++ /dev/null
@@ -1,25 +0,0 @@
-# frama-c -wp -wp-timeout 100 -wp-steps 10 [...]
-[kernel] Parsing math.i (no preprocessing)
-[wp] Running WP plugin...
-[wp] Warning: Missing RTE guards
-[wp] Warning: native support for alt-ergo is deprecated, use why3 instead
-[wp] 9 goals scheduled
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_sin_asin : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_cos_acos : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_asin_sin : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_acos_cos : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_atan_tan : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_log_pow : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_exp_log : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_exp_log_add_mul : Unsuccess
-[wp] [Alt-Ergo (native)] Goal typed_ko_ensures_ko_sqrt_pos : Unsuccess
-[wp] Proved goals:    0 / 9
-  Alt-Ergo (native):    0  (unsuccess: 9)
-------------------------------------------------------------
- Functions                 WP     Alt-Ergo  Total   Success
-  ko                        -        -        9       0.0%
-------------------------------------------------------------
--------------------------------------------------------------
-Functions           WP     Alt-Ergo (Native) Total Success
-ko                  -      -                 9       0.0%
--------------------------------------------------------------