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Commit 1c7591af authored by David Bühler's avatar David Bühler
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[Eva] Adds a test of math builtins applied to uninitialized values.

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tests/float/math_builtins.c
+ 16
− 0
View file @ 1c7591af
......@@ -722,6 +722,20 @@ void test_roundf() {
float f32__c = roundf(f32__x);
}
void test_uninit() {
double a, b, r;
if (nondet) {
r = sqrt(a);
Frama_C_show_each_unreachable(r);
}
if (nondet) {
a = 0.5;
b = double_interval(0.25, 8.5);
}
r = sqrt(a); // initialization alarm and reduction of a.
r = pow(b, a); // initialization alarm and reduction of b.
}
int main() {
test_cos_det();
test_sin_det();
......@@ -770,5 +784,7 @@ int main() {
test_truncf();
test_roundf();
test_uninit();
return 0;
}
tests/float/oracle/math_builtins.res.oracle
+ 104
− 43
View file @ 1c7591af
......@@ -10,7 +10,7 @@
any_double ∈ [--..--]
any_float ∈ [--..--]
[eva] computing for function test_cos_det <- main.
Called from tests/float/math_builtins.c:726.
Called from tests/float/math_builtins.c:740.
[eva] tests/float/math_builtins.c:19:
Call to builtin Frama_C_cos for function cos
[eva] tests/float/math_builtins.c:19:
......@@ -26,7 +26,7 @@
[eva] Recording results for test_cos_det
[eva] Done for function test_cos_det
[eva] computing for function test_sin_det <- main.
Called from tests/float/math_builtins.c:727.
Called from tests/float/math_builtins.c:741.
[eva] tests/float/math_builtins.c:25:
Call to builtin Frama_C_sin for function sin
[eva] tests/float/math_builtins.c:25:
......@@ -42,7 +42,7 @@
[eva] Recording results for test_sin_det
[eva] Done for function test_sin_det
[eva] computing for function test_acos <- main.
Called from tests/float/math_builtins.c:728.
Called from tests/float/math_builtins.c:742.
[eva] tests/float/math_builtins.c:31: Call to builtin acos
[eva] tests/float/math_builtins.c:31:
function acos: precondition 'in_domain' got status valid.
......@@ -96,7 +96,7 @@
[eva] Recording results for test_acos
[eva] Done for function test_acos
[eva] computing for function test_asin <- main.
Called from tests/float/math_builtins.c:729.
Called from tests/float/math_builtins.c:743.
[eva] tests/float/math_builtins.c:59: Call to builtin asin
[eva] tests/float/math_builtins.c:59:
function asin: precondition 'in_domain' got status valid.
......@@ -150,7 +150,7 @@
[eva] Recording results for test_asin
[eva] Done for function test_asin
[eva] computing for function test_atan <- main.
Called from tests/float/math_builtins.c:730.
Called from tests/float/math_builtins.c:744.
[eva] tests/float/math_builtins.c:87: Call to builtin atan
[eva] tests/float/math_builtins.c:87:
function atan: precondition 'number_arg' got status valid.
......@@ -183,7 +183,7 @@
[eva] Recording results for test_atan
[eva] Done for function test_atan
[eva] computing for function test_atan2_det <- main.
Called from tests/float/math_builtins.c:731.
Called from tests/float/math_builtins.c:745.
[eva] tests/float/math_builtins.c:99:
Call to builtin Frama_C_atan2 for function atan2
[eva] tests/float/math_builtins.c:99:
......@@ -239,7 +239,7 @@
[eva] Recording results for test_atan2_det
[eva] Done for function test_atan2_det
[eva] computing for function test_atan2 <- main.
Called from tests/float/math_builtins.c:732.
Called from tests/float/math_builtins.c:746.
[eva] computing for function double_interval <- test_atan2 <- main.
Called from tests/float/math_builtins.c:116.
[eva] Recording results for double_interval
......@@ -347,7 +347,7 @@
[eva] Recording results for test_atan2
[eva] Done for function test_atan2
[eva] computing for function test_pow_det <- main.
Called from tests/float/math_builtins.c:733.
Called from tests/float/math_builtins.c:747.
[eva] tests/float/math_builtins.c:145:
Call to builtin Frama_C_pow for function pow
[eva] tests/float/math_builtins.c:145:
......@@ -383,7 +383,7 @@
[eva] Recording results for test_pow_det
[eva] Done for function test_pow_det
[eva] computing for function test_pow_singleton_exp <- main.
Called from tests/float/math_builtins.c:734.
Called from tests/float/math_builtins.c:748.
[eva] computing for function double_interval <- test_pow_singleton_exp <- main.
Called from tests/float/math_builtins.c:168.
[eva] Recording results for double_interval
......@@ -500,7 +500,7 @@
[eva] Recording results for test_pow_singleton_exp
[eva] Done for function test_pow_singleton_exp
[eva] computing for function test_pow <- main.
Called from tests/float/math_builtins.c:735.
Called from tests/float/math_builtins.c:749.
[eva] computing for function double_interval <- test_pow <- main.
Called from tests/float/math_builtins.c:217.
[eva] Recording results for double_interval
......@@ -721,7 +721,7 @@
[eva] Recording results for test_pow
[eva] Done for function test_pow
[eva] computing for function test_fmod_det <- main.
Called from tests/float/math_builtins.c:736.
Called from tests/float/math_builtins.c:750.
[eva] tests/float/math_builtins.c:405:
Call to builtin Frama_C_fmod for function fmod
[eva] tests/float/math_builtins.c:405:
......@@ -753,7 +753,7 @@
[eva] Recording results for test_fmod_det
[eva] Done for function test_fmod_det
[eva] computing for function test_fmod <- main.
Called from tests/float/math_builtins.c:737.
Called from tests/float/math_builtins.c:751.
[eva] computing for function double_interval <- test_fmod <- main.
Called from tests/float/math_builtins.c:416.
[eva] Recording results for double_interval
......@@ -993,7 +993,7 @@
[eva] Recording results for test_fmod
[eva] Done for function test_fmod
[eva] computing for function test_sqrt_det <- main.
Called from tests/float/math_builtins.c:738.
Called from tests/float/math_builtins.c:752.
[eva] tests/float/math_builtins.c:478:
Call to builtin Frama_C_sqrt for function sqrt
[eva] tests/float/math_builtins.c:478:
......@@ -1027,7 +1027,7 @@
[eva] Recording results for test_sqrt_det
[eva] Done for function test_sqrt_det
[eva] computing for function test_sqrt <- main.
Called from tests/float/math_builtins.c:739.
Called from tests/float/math_builtins.c:753.
[eva] computing for function double_interval <- test_sqrt <- main.
Called from tests/float/math_builtins.c:486.
[eva] Recording results for double_interval
......@@ -1071,7 +1071,7 @@
[eva] Recording results for test_sqrt
[eva] Done for function test_sqrt
[eva] computing for function test_exp_det <- main.
Called from tests/float/math_builtins.c:740.
Called from tests/float/math_builtins.c:754.
[eva] tests/float/math_builtins.c:516:
Call to builtin Frama_C_exp for function exp
[eva] tests/float/math_builtins.c:516:
......@@ -1123,7 +1123,7 @@
[eva] Recording results for test_exp_det
[eva] Done for function test_exp_det
[eva] computing for function test_log_det <- main.
Called from tests/float/math_builtins.c:741.
Called from tests/float/math_builtins.c:755.
[eva] tests/float/math_builtins.c:533:
Call to builtin Frama_C_log for function log
[eva] tests/float/math_builtins.c:533:
......@@ -1163,7 +1163,7 @@
[eva] Recording results for test_log_det
[eva] Done for function test_log_det
[eva] computing for function test_log10_det <- main.
Called from tests/float/math_builtins.c:742.
Called from tests/float/math_builtins.c:756.
[eva] tests/float/math_builtins.c:551:
Call to builtin Frama_C_log10 for function log10
[eva] tests/float/math_builtins.c:551:
......@@ -1203,7 +1203,7 @@
[eva] Recording results for test_log10_det
[eva] Done for function test_log10_det
[eva] computing for function test_powf_det <- main.
Called from tests/float/math_builtins.c:744.
Called from tests/float/math_builtins.c:758.
[eva] tests/float/math_builtins.c:156:
Call to builtin Frama_C_powf for function powf
[eva] tests/float/math_builtins.c:156:
......@@ -1239,7 +1239,7 @@
[eva] Recording results for test_powf_det
[eva] Done for function test_powf_det
[eva] computing for function test_powf_singleton_exp <- main.
Called from tests/float/math_builtins.c:745.
Called from tests/float/math_builtins.c:759.
[eva] computing for function double_interval <- test_powf_singleton_exp <- main.
Called from tests/float/math_builtins.c:301.
[eva] Recording results for double_interval
......@@ -1354,7 +1354,7 @@
[eva] Recording results for test_powf_singleton_exp
[eva] Done for function test_powf_singleton_exp
[eva] computing for function test_powf <- main.
Called from tests/float/math_builtins.c:746.
Called from tests/float/math_builtins.c:760.
[eva] computing for function double_interval <- test_powf <- main.
Called from tests/float/math_builtins.c:350.
[eva] Recording results for double_interval
......@@ -1494,7 +1494,7 @@
[eva] Recording results for test_powf
[eva] Done for function test_powf
[eva] computing for function test_sqrtf_det <- main.
Called from tests/float/math_builtins.c:747.
Called from tests/float/math_builtins.c:761.
[eva] tests/float/math_builtins.c:497:
Call to builtin Frama_C_sqrtf for function sqrtf
[eva] tests/float/math_builtins.c:497:
......@@ -1528,7 +1528,7 @@
[eva] Recording results for test_sqrtf_det
[eva] Done for function test_sqrtf_det
[eva] computing for function test_sqrtf <- main.
Called from tests/float/math_builtins.c:748.
Called from tests/float/math_builtins.c:762.
[eva] computing for function double_interval <- test_sqrtf <- main.
Called from tests/float/math_builtins.c:505.
[eva] Recording results for double_interval
......@@ -1572,7 +1572,7 @@
[eva] Recording results for test_sqrtf
[eva] Done for function test_sqrtf
[eva] computing for function test_expf_det <- main.
Called from tests/float/math_builtins.c:749.
Called from tests/float/math_builtins.c:763.
[eva] tests/float/math_builtins.c:525:
Call to builtin Frama_C_expf for function expf
[eva] tests/float/math_builtins.c:525:
......@@ -1616,7 +1616,7 @@
[eva] Recording results for test_expf_det
[eva] Done for function test_expf_det
[eva] computing for function test_logf_det <- main.
Called from tests/float/math_builtins.c:750.
Called from tests/float/math_builtins.c:764.
[eva] tests/float/math_builtins.c:542:
Call to builtin Frama_C_logf for function logf
[eva] tests/float/math_builtins.c:542:
......@@ -1656,7 +1656,7 @@
[eva] Recording results for test_logf_det
[eva] Done for function test_logf_det
[eva] computing for function test_log10f_det <- main.
Called from tests/float/math_builtins.c:751.
Called from tests/float/math_builtins.c:765.
[eva] tests/float/math_builtins.c:560:
Call to builtin Frama_C_log10f for function log10f
[eva] tests/float/math_builtins.c:560:
......@@ -1696,7 +1696,7 @@
[eva] Recording results for test_log10f_det
[eva] Done for function test_log10f_det
[eva] computing for function test_diff_pow_powf <- main.
Called from tests/float/math_builtins.c:753.
Called from tests/float/math_builtins.c:767.
[eva] tests/float/math_builtins.c:569:
Call to builtin Frama_C_pow for function pow
[eva] tests/float/math_builtins.c:569:
......@@ -1708,7 +1708,7 @@
[eva] Recording results for test_diff_pow_powf
[eva] Done for function test_diff_pow_powf
[eva] computing for function test_floor_det <- main.
Called from tests/float/math_builtins.c:755.
Called from tests/float/math_builtins.c:769.
[eva] tests/float/math_builtins.c:574:
Call to builtin Frama_C_floor for function floor
[eva] tests/float/math_builtins.c:574:
......@@ -1736,7 +1736,7 @@
[eva] Recording results for test_floor_det
[eva] Done for function test_floor_det
[eva] computing for function test_ceil_det <- main.
Called from tests/float/math_builtins.c:756.
Called from tests/float/math_builtins.c:770.
[eva] tests/float/math_builtins.c:583:
Call to builtin Frama_C_ceil for function ceil
[eva] tests/float/math_builtins.c:583:
......@@ -1764,7 +1764,7 @@
[eva] Recording results for test_ceil_det
[eva] Done for function test_ceil_det
[eva] computing for function test_trunc_det <- main.
Called from tests/float/math_builtins.c:757.
Called from tests/float/math_builtins.c:771.
[eva] tests/float/math_builtins.c:592:
Call to builtin Frama_C_trunc for function trunc
[eva] tests/float/math_builtins.c:592:
......@@ -1792,7 +1792,7 @@
[eva] Recording results for test_trunc_det
[eva] Done for function test_trunc_det
[eva] computing for function test_round_det <- main.
Called from tests/float/math_builtins.c:758.
Called from tests/float/math_builtins.c:772.
[eva] tests/float/math_builtins.c:601:
Call to builtin Frama_C_round for function round
[eva] tests/float/math_builtins.c:601:
......@@ -1820,7 +1820,7 @@
[eva] Recording results for test_round_det
[eva] Done for function test_round_det
[eva] computing for function test_floor <- main.
Called from tests/float/math_builtins.c:759.
Called from tests/float/math_builtins.c:773.
[eva] computing for function double_interval <- test_floor <- main.
Called from tests/float/math_builtins.c:611.
[eva] Recording results for double_interval
......@@ -1848,7 +1848,7 @@
[eva] Recording results for test_floor
[eva] Done for function test_floor
[eva] computing for function test_ceil <- main.
Called from tests/float/math_builtins.c:760.
Called from tests/float/math_builtins.c:774.
[eva] computing for function double_interval <- test_ceil <- main.
Called from tests/float/math_builtins.c:621.
[eva] Recording results for double_interval
......@@ -1876,7 +1876,7 @@
[eva] Recording results for test_ceil
[eva] Done for function test_ceil
[eva] computing for function test_trunc <- main.
Called from tests/float/math_builtins.c:761.
Called from tests/float/math_builtins.c:775.
[eva] computing for function double_interval <- test_trunc <- main.
Called from tests/float/math_builtins.c:631.
[eva] Recording results for double_interval
......@@ -1904,7 +1904,7 @@
[eva] Recording results for test_trunc
[eva] Done for function test_trunc
[eva] computing for function test_round <- main.
Called from tests/float/math_builtins.c:762.
Called from tests/float/math_builtins.c:776.
[eva] computing for function double_interval <- test_round <- main.
Called from tests/float/math_builtins.c:641.
[eva] Recording results for double_interval
......@@ -1932,7 +1932,7 @@
[eva] Recording results for test_round
[eva] Done for function test_round
[eva] computing for function test_floorf_det <- main.
Called from tests/float/math_builtins.c:764.
Called from tests/float/math_builtins.c:778.
[eva] tests/float/math_builtins.c:650:
Call to builtin Frama_C_floorf for function floorf
[eva] tests/float/math_builtins.c:650:
......@@ -1960,7 +1960,7 @@
[eva] Recording results for test_floorf_det
[eva] Done for function test_floorf_det
[eva] computing for function test_ceilf_det <- main.
Called from tests/float/math_builtins.c:765.
Called from tests/float/math_builtins.c:779.
[eva] tests/float/math_builtins.c:659:
Call to builtin Frama_C_ceilf for function ceilf
[eva] tests/float/math_builtins.c:659:
......@@ -1988,7 +1988,7 @@
[eva] Recording results for test_ceilf_det
[eva] Done for function test_ceilf_det
[eva] computing for function test_truncf_det <- main.
Called from tests/float/math_builtins.c:766.
Called from tests/float/math_builtins.c:780.
[eva] tests/float/math_builtins.c:668:
Call to builtin Frama_C_truncf for function truncf
[eva] tests/float/math_builtins.c:668:
......@@ -2016,7 +2016,7 @@
[eva] Recording results for test_truncf_det
[eva] Done for function test_truncf_det
[eva] computing for function test_roundf_det <- main.
Called from tests/float/math_builtins.c:767.
Called from tests/float/math_builtins.c:781.
[eva] tests/float/math_builtins.c:677:
Call to builtin Frama_C_roundf for function roundf
[eva] tests/float/math_builtins.c:677:
......@@ -2044,7 +2044,7 @@
[eva] Recording results for test_roundf_det
[eva] Done for function test_roundf_det
[eva] computing for function test_floorf <- main.
Called from tests/float/math_builtins.c:768.
Called from tests/float/math_builtins.c:782.
[eva] computing for function double_interval <- test_floorf <- main.
Called from tests/float/math_builtins.c:687.
[eva] Recording results for double_interval
......@@ -2072,7 +2072,7 @@
[eva] Recording results for test_floorf
[eva] Done for function test_floorf
[eva] computing for function test_ceilf <- main.
Called from tests/float/math_builtins.c:769.
Called from tests/float/math_builtins.c:783.
[eva] computing for function double_interval <- test_ceilf <- main.
Called from tests/float/math_builtins.c:697.
[eva] Recording results for double_interval
......@@ -2100,7 +2100,7 @@
[eva] Recording results for test_ceilf
[eva] Done for function test_ceilf
[eva] computing for function test_truncf <- main.
Called from tests/float/math_builtins.c:770.
Called from tests/float/math_builtins.c:784.
[eva] computing for function double_interval <- test_truncf <- main.
Called from tests/float/math_builtins.c:707.
[eva] Recording results for double_interval
......@@ -2128,7 +2128,7 @@
[eva] Recording results for test_truncf
[eva] Done for function test_truncf
[eva] computing for function test_roundf <- main.
Called from tests/float/math_builtins.c:771.
Called from tests/float/math_builtins.c:785.
[eva] computing for function double_interval <- test_roundf <- main.
Called from tests/float/math_builtins.c:717.
[eva] Recording results for double_interval
......@@ -2155,8 +2155,34 @@
function roundf: precondition 'finite_arg' got status valid.
[eva] Recording results for test_roundf
[eva] Done for function test_roundf
[eva] computing for function test_uninit <- main.
Called from tests/float/math_builtins.c:787.
[eva:alarm] tests/float/math_builtins.c:728: Warning:
accessing uninitialized left-value. assert \initialized(&a);
[eva] computing for function double_interval <- test_uninit <- main.
Called from tests/float/math_builtins.c:733.
[eva] Recording results for double_interval
[eva] Done for function double_interval
[eva:alarm] tests/float/math_builtins.c:735: Warning:
accessing uninitialized left-value. assert \initialized(&a);
[eva] tests/float/math_builtins.c:735:
Call to builtin Frama_C_sqrt for function sqrt
[eva] tests/float/math_builtins.c:735:
function sqrt: precondition 'finite_arg' got status valid.
[eva] tests/float/math_builtins.c:735:
function sqrt: precondition 'arg_positive' got status valid.
[eva:alarm] tests/float/math_builtins.c:736: Warning:
accessing uninitialized left-value. assert \initialized(&b);
[eva] tests/float/math_builtins.c:736:
Call to builtin Frama_C_pow for function pow
[eva] tests/float/math_builtins.c:736:
function pow: precondition 'finite_logic_res' got status valid.
[eva] Recording results for test_uninit
[eva] Done for function test_uninit
[eva] Recording results for main
[eva] done for function main
[eva] tests/float/math_builtins.c:728:
assertion 'Eva,initialization' got final status invalid.
[eva] ====== VALUES COMPUTED ======
[eva:final-states] Values at end of function double_interval:
__retres ∈ [-1.2237906221789607*2^1023 .. 1.2237906221789607*2^1023]
......@@ -2490,6 +2516,11 @@
f32__b ∈ {1.414213*2^-2}
f32__c ∈ {0}
f32__d ∈ {-0.000000}
[eva:final-states] Values at end of function test_uninit:
__fc_errno ∈ [--..--]
a ∈ {1.0000000000000000*2^-1}
b ∈ [1.0000000000000000*2^-2 .. 8.5000000000000000]
r ∈ [1.0000000000000000*2^-1 .. 2.9154759474226503]
[eva:final-states] Values at end of function test_trunc:
x ∈ [-2.5000000000000000 .. -1.0000000000000000*2^-1]
a ∈ [-0.0000000000000000 .. 1.0000000000000000]
......@@ -2647,6 +2678,8 @@
[from] Done for function test_sqrtf
[from] Computing for function test_sqrtf_det
[from] Done for function test_sqrtf_det
[from] Computing for function test_uninit
[from] Done for function test_uninit
[from] Computing for function test_trunc
[from] Computing for function trunc <-test_trunc
[from] Done for function trunc
......@@ -2797,6 +2830,8 @@
NO EFFECTS
[from] Function test_sqrtf_det:
NO EFFECTS
[from] Function test_uninit:
__fc_errno FROM nondet
[from] Function trunc:
\result FROM x
[from] Function test_trunc:
......@@ -2810,7 +2845,7 @@
[from] Function test_truncf_det:
NO EFFECTS
[from] Function main:
__fc_errno FROM \nothing
__fc_errno FROM nondet
\result FROM \nothing
[from] ====== END OF DEPENDENCIES ======
[inout] Out (internal) for function double_interval:
......@@ -2979,6 +3014,10 @@
f32__a; f32__b; f32__c; f32__d
[inout] Inputs for function test_sqrtf_det:
nondet
[inout] Out (internal) for function test_uninit:
__fc_errno; a; b; r
[inout] Inputs for function test_uninit:
nondet
[inout] Out (internal) for function test_trunc:
x; a; b; c
[inout] Inputs for function test_trunc:
......@@ -3937,6 +3976,27 @@ void test_roundf(void)
return;
}
void test_uninit(void)
{
double a;
double b;
double r;
if (nondet) {
/*@ assert Eva: initialization: \initialized(&a); */
r = sqrt(a);
Frama_C_show_each_unreachable(r);
}
if (nondet) {
a = 0.5;
b = double_interval(0.25,8.5);
}
/*@ assert Eva: initialization: \initialized(&a); */
r = sqrt(a);
/*@ assert Eva: initialization: \initialized(&b); */
r = pow(b,a);
return;
}
int main(void)
{
int __retres;
......@@ -3982,6 +4042,7 @@ int main(void)
test_ceilf();
test_truncf();
test_roundf();
test_uninit();
__retres = 0;
return __retres;
}
......
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