./verifast-validate-witness.sh sv-benchmarks/c/loop-invariants/mod4.c ./results/automizer-verification-files/SV-COMP24_unreach-call/mod4.yml/witness-2.1.yml -------------------------------------------------------------------------------- + PROGRAM=sv-benchmarks/c/loop-invariants/mod4.c + WITNESS=./results/automizer-verification-files/SV-COMP24_unreach-call/mod4.yml/witness-2.1.yml + '[' -z x ']' + echo 'Using prover supplied by environment variable PROVER: Z3v4.5' Using prover supplied by environment variable PROVER: Z3v4.5 ++ basename sv-benchmarks/c/loop-invariants/mod4.c + FILE=mod4.c ++ echo mod4 ++ sed 's/[-\.]/_/g' - + SANITIZED=mod4 + MODULE=mod4__verifast_instrumented_modified + INSTRUMENTED_PROGRAM=mod4__verifast_instrumented.c ++ basename ./results/automizer-verification-files/SV-COMP24_unreach-call/mod4.yml/witness-2.1.yml + TRANSLATED_WITNESS=verifast_translated.witness-2.1.yml + FINAL_PROGRAM=mod4__verifast_instrumented_modified.c + change_format_cli.py -w ./results/automizer-verification-files/SV-COMP24_unreach-call/mod4.yml/witness-2.1.yml -p sv-benchmarks/c/loop-invariants/mod4.c -o verifast_translated.witness-2.1.yml --from acsl_expression --to verifast_expression -n mod4__verifast_instrumented_modified + instrument_program_cli.py -w verifast_translated.witness-2.1.yml -p sv-benchmarks/c/loop-invariants/mod4.c -o mod4__verifast_instrumented.c + program_modifications_cli.py -p mod4__verifast_instrumented.c -o mod4__verifast_instrumented_modified.c + verifast -stats -verbose 4 -allow_dead_code -prover Z3v4.5 -read_options_from_source_file -c mod4__verifast_instrumented_modified.c mod4__verifast_instrumented_modified.c 0.044478s: mod4__verifast_instrumented_modified.c(27,5-9): Function 'main': Function type implementation check 0.044545s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,18-24): Producing assertion 0.044561s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,49-51): Producing assertion 0.044575s: Z3 assume (<= 0 argc): 0.000561 seconds 0.045210s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,61-62): Producing assertion 0.045240s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,64-68): Producing assertion 0.045258s: mod4__verifast_instrumented_modified.c(27,29-35): Consuming assertion 0.045299s: Consuming chunk module(mod4__verifast_instrumented_modified, true) 0.045320s: mod4__verifast_instrumented_modified.c(28,13-17): Producing assertion 0.045339s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1085,17-21): Consuming assertion 0.045347s: mod4__verifast_instrumented_modified.c(27,5-9): Cleaning up dummy fraction chunks 0.045356s: mod4__verifast_instrumented_modified.c(27,5-9): Leak check. 0.045451s: mod4__verifast_instrumented_modified.c(13,6-17): Verifying function 'reach_error' 0.045464s: mod4__verifast_instrumented_modified.c(13,33-38): Producing assertion 0.045473s: Z3 assume false: 0.000016 seconds 0.045546s: mod4__verifast_instrumented_modified.c(19,6-23): Verifying function '__VERIFIER_assert' 0.045565s: mod4__verifast_instrumented_modified.c(19,53-55): Producing assertion 0.045579s: Z3 assume (not (= cond 0)): 0.000448 seconds 0.046080s: mod4__verifast_instrumented_modified.c(19,6-23): Executing statement 0.046103s: mod4__verifast_instrumented_modified.c(22,3-5): Executing statement 0.046134s: Z3 assume (not (not (= cond 0))): 0.000011 seconds 0.046190s: Z3 assume (not (not (not (= cond 0)))): 0.000423 seconds 0.046674s: mod4__verifast_instrumented_modified.c(25,3-9): Executing return statement 0.046696s: mod4__verifast_instrumented_modified.c(20,19-21): Consuming assertion 0.046707s: Z3 query (not (= cond 0)) returns true: 0.000010 seconds 0.046744s: mod4__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks 0.046755s: mod4__verifast_instrumented_modified.c(26,1-2): Leak check. 0.046787s: mod4__verifast_instrumented_modified.c(27,5-9): Verifying function 'main' 0.046805s: mod4__verifast_instrumented_modified.c(27,29-35): Producing assertion 0.046822s: mod4__verifast_instrumented_modified.c(27,5-9): Executing statement 0.046837s: mod4__verifast_instrumented_modified.c(31,1-2): Executing statement 0.046848s: mod4__verifast_instrumented_modified.c(33,1-34,1): Executing statement 0.046886s: Consuming chunk [_]module(mod4__verifast_instrumented_modified, true) 0.046899s: mod4__verifast_instrumented_modified.c(35,18-19): Executing statement 0.046917s: mod4__verifast_instrumented_modified.c(36,3-8): Executing statement 0.046932s: mod4__verifast_instrumented_modified.c(36,57-59): Consuming assertion 0.046942s: Z3 query (= (mod 0 4) 0) returns false: 0.000435 seconds 0.047414s: mod4__verifast_instrumented_modified.c(36,57-59): Consuming expression 0.047430s: Z3 query (= (mod 0 4) 0) returns false: 0.000436 seconds mod4__verifast_instrumented_modified.c(36,57-59): Cannot prove condition. (Cannot prove (= (mod 0 4) 0).)