metaval-c-2.0/metaval_c_2.0.py --backend framac-wp --debug --witness results/automizer-verification-files/SV-COMP24_unreach-call/Ackermann03.yml/witness-2.1.yml --property sv-benchmarks/c/properties/unreach-call.prp --data-model ILP32 sv-benchmarks/c/recursive/Ackermann03.c -------------------------------------------------------------------------------- 2024-09-25 00:58:42,920 - DEBUG - Frama C output [kernel] Parsing tmp/program.c (with preprocessing) [kernel:typing:no-proto] tmp/program.c:32: Warning: Calling function __VERIFIER_nondet_int that is declared without prototype. Its formals will be inferred from actual arguments [wp] Running WP plugin... [kernel:annot:missing-spec] tmp/program.c:14: Warning: Neither code nor specification for function __VERIFIER_nondet_int, generating default exits, assigns and terminates. See -generated-spec-* options for more info [wp] Warning: Missing RTE guards [wp] 8 goals scheduled [wp] Proved goals: 9 / 9 Unreachable: 1 Qed: 7 (4ms) Alt-Ergo 2.6.0: 1 (26ms) [wp:pedantic-assigns] tmp/program.c:1: Warning: No 'assigns' specification for function 'abort'. Callers assumptions might be imprecise. [wp:pedantic-assigns] tmp/program.c:20: Warning: No 'assigns' specification for function 'ackermann'. Callers assumptions might be imprecise. [wp:pedantic-assigns] tmp/program.c:31: Warning: No 'assigns' specification for function 'main'. Callers assumptions might be imprecise. 2024-09-25 00:58:42,920 - DEBUG - Frama C error output Witness is correct