metaval-c-2.0/metaval_c_2.0.py --backend framac-wp --debug --witness results/automizer-verification-files/SV-COMP24_unreach-call/gauss_sum.i.p+lhb-reducer.yml/witness-2.1.yml --property sv-benchmarks/c/properties/unreach-call.prp --data-model ILP32 sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c


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2024-09-25 11:50:36,432 - DEBUG - Frama C output

[kernel] Parsing tmp/program.c (with preprocessing)
[kernel:typing:no-proto] tmp/program.c:26: 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] tmp/program.c:67: User Error: 
  Non-natural loop detected in function 'main'.
  This case is not supported yet (skipped verification).
[wp] Warning: No goal generated
[wp:pedantic-assigns] tmp/program.c:21: Warning: 
  No 'assigns' specification for function 'main'.
  Callers assumptions might be imprecise.
[wp] User Error: Deferred error message was emitted during execution. See above messages for more information.
[kernel] Plug-in wp aborted: invalid user input.



2024-09-25 11:50:36,432 - DEBUG - Frama C error output




There was an error validating the witness in the backend verifier:  (non-natural loop)