[translate] better code generation for logic function calls

src/plugins/e-acsl/at_with_lscope.ml

src/plugins/e-acsl/dup_functions.ml

src/plugins/e-acsl/env.ml

src/plugins/e-acsl/env.mli

src/plugins/e-acsl/gmpz.ml

src/plugins/e-acsl/interval.ml

src/plugins/e-acsl/keep_status.ml

src/plugins/e-acsl/logic_functions.ml

src/plugins/e-acsl/logic_functions.mli

src/plugins/e-acsl/loops.ml

src/plugins/e-acsl/tests/gmp/functions_rec.c

src/plugins/e-acsl/tests/gmp/oracle/functions.0.res.oracle

src/plugins/e-acsl/tests/gmp/oracle/functions.1.res.oracle

...lugins/e-acsl/tests/gmp/oracle/functions_rec.0.res.oracle

...lugins/e-acsl/tests/gmp/oracle/functions_rec.1.res.oracle

src/plugins/e-acsl/tests/gmp/oracle/gen_functions.c

src/plugins/e-acsl/tests/gmp/oracle/gen_functions2.c

src/plugins/e-acsl/tests/gmp/oracle/gen_functions_rec.c

src/plugins/e-acsl/tests/gmp/oracle/gen_functions_rec2.c

src/plugins/e-acsl/tests/temporal/oracle/t_getenv.res.oracle