./verifast-validate-witness.sh sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_10-1.yml/witness-2.1.yml


--------------------------------------------------------------------------------


+ PROGRAM=sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c
+ WITNESS=./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_10-1.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/recursive-simple/fibo_2calls_10-1.c
+ FILE=fibo_2calls_10-1.c
++ echo fibo_2calls_10-1
++ sed 's/[-\.]/_/g' -
+ SANITIZED=fibo_2calls_10_1
+ MODULE=fibo_2calls_10_1__verifast_instrumented_modified
+ INSTRUMENTED_PROGRAM=fibo_2calls_10_1__verifast_instrumented.c
++ basename ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_10-1.yml/witness-2.1.yml
+ TRANSLATED_WITNESS=verifast_translated.witness-2.1.yml
+ FINAL_PROGRAM=fibo_2calls_10_1__verifast_instrumented_modified.c
+ change_format_cli.py -w ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_10-1.yml/witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c -o verifast_translated.witness-2.1.yml --from acsl_expression --to verifast_expression -n fibo_2calls_10_1__verifast_instrumented_modified
+ instrument_program_cli.py -w verifast_translated.witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_10-1.c -o fibo_2calls_10_1__verifast_instrumented.c
+ program_modifications_cli.py -p fibo_2calls_10_1__verifast_instrumented.c -o fibo_2calls_10_1__verifast_instrumented_modified.c
+ verifast -stats -verbose 4 -allow_dead_code -prover Z3v4.5 -read_options_from_source_file -c fibo_2calls_10_1__verifast_instrumented_modified.c
fibo_2calls_10_1__verifast_instrumented_modified.c
  0.043417s: fibo_2calls_10_1__verifast_instrumented_modified.c(16,5-10): Function 'fibo1': Function prototype implementation check
  0.043468s: fibo_2calls_10_1__verifast_instrumented_modified.c(13,5-10): Producing assertion
  0.043482s: Z3 assume false: 0.000019 seconds
  0.043602s: fibo_2calls_10_1__verifast_instrumented_modified.c(28,5-10): Function 'fibo2': Function prototype implementation check
  0.043616s: fibo_2calls_10_1__verifast_instrumented_modified.c(14,5-10): Producing assertion
  0.043626s: Z3 assume false: 0.000007 seconds
  0.043713s: fibo_2calls_10_1__verifast_instrumented_modified.c(48,5-9): Function 'main': Function type implementation check
  0.043738s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,18-24): Producing assertion
  0.043752s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,49-51): Producing assertion
  0.043765s: Z3 assume (<= 0 argc): 0.000553 seconds
  0.044370s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,61-62): Producing assertion
  0.044386s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,64-68): Producing assertion
  0.044409s: fibo_2calls_10_1__verifast_instrumented_modified.c(48,29-35): Consuming assertion
  0.044452s: Consuming chunk module(fibo_2calls_10_1__verifast_instrumented_modified, true)
  0.044472s: fibo_2calls_10_1__verifast_instrumented_modified.c(49,13-17): Producing assertion
  0.044485s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1085,17-21): Consuming assertion
  0.044494s: fibo_2calls_10_1__verifast_instrumented_modified.c(48,5-9): Cleaning up dummy fraction chunks
  0.044508s: fibo_2calls_10_1__verifast_instrumented_modified.c(48,5-9): Leak check.
  0.044612s: fibo_2calls_10_1__verifast_instrumented_modified.c(9,6-17): Verifying function 'reach_error'
  0.044625s: fibo_2calls_10_1__verifast_instrumented_modified.c(9,33-38): Producing assertion
  0.044635s: Z3 assume false: 0.000006 seconds
  0.044704s: fibo_2calls_10_1__verifast_instrumented_modified.c(16,5-10): Verifying function 'fibo1'
  0.044723s: fibo_2calls_10_1__verifast_instrumented_modified.c(16,31-35): Producing assertion
  0.044733s: Z3 assume true: 0.000430 seconds
  0.045188s: fibo_2calls_10_1__verifast_instrumented_modified.c(16,5-10): Executing statement
  0.045212s: fibo_2calls_10_1__verifast_instrumented_modified.c(19,5-7): Executing statement
  0.045244s: Z3 assume (< n 1): 0.000421 seconds
  0.045693s: fibo_2calls_10_1__verifast_instrumented_modified.c(19,16-17): Executing statement
  0.045714s: fibo_2calls_10_1__verifast_instrumented_modified.c(20,9-15): Executing return statement
  0.045733s: fibo_2calls_10_1__verifast_instrumented_modified.c(17,42-44): Consuming assertion
  0.045746s: Z3 query (or (= 0 0) (= n 1) (< 2 n)) returns true: 0.000018 seconds
  0.045822s: fibo_2calls_10_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.045833s: fibo_2calls_10_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.045850s: Z3 assume (not (< n 1)): 0.000434 seconds
  0.046320s: fibo_2calls_10_1__verifast_instrumented_modified.c(21,12-14): Executing statement
  0.046348s: Z3 assume (= n 1): 0.000429 seconds
  0.046804s: fibo_2calls_10_1__verifast_instrumented_modified.c(21,24-25): Executing statement
  0.046822s: fibo_2calls_10_1__verifast_instrumented_modified.c(22,9-15): Executing return statement
  0.046835s: fibo_2calls_10_1__verifast_instrumented_modified.c(17,42-44): Consuming assertion
  0.046847s: Z3 query (or (= 1 0) (= n 1) (< 2 n)) returns true: 0.000029 seconds
  0.046924s: fibo_2calls_10_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.046942s: fibo_2calls_10_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.046961s: Z3 assume (not (= n 1)): 0.000425 seconds
  0.047421s: fibo_2calls_10_1__verifast_instrumented_modified.c(23,12-13): Executing statement
  0.047439s: fibo_2calls_10_1__verifast_instrumented_modified.c(24,9-15): Executing return statement
  0.047460s: fibo_2calls_10_1__verifast_instrumented_modified.c(24,16-21): Verifying call
  0.047477s: fibo_2calls_10_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.047485s: Z3 query true returns true: 0.000013 seconds
  0.047544s: fibo_2calls_10_1__verifast_instrumented_modified.c(29,173-175): Producing assertion
  0.047570s: Z3 assume (and (or (= 3 result) (< (- n 1) 2) (< 4 (- n 1)) (= 2 (- n 1)))
     (or (= 5 result) (< (- n 1) 4) (= (- n 1) 4) (< 6 (- n 1)))
     (or (= result 0) (= (- n 1) 1) (< 1 (- n 1)))
     (or (= result 1) (< (- n 1) 1) (< 3 (- n 1)))): 0.000573 seconds
  0.048425s: fibo_2calls_10_1__verifast_instrumented_modified.c(24,29-34): Verifying call
  0.048446s: fibo_2calls_10_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.048454s: Z3 query true returns true: 0.000018 seconds
  0.048522s: fibo_2calls_10_1__verifast_instrumented_modified.c(29,173-175): Producing assertion
  0.048547s: Z3 assume (and (or (= 3 result0) (< (- n 2) 2) (< 4 (- n 2)) (= 2 (- n 2)))
     (or (= 5 result0) (< (- n 2) 4) (= (- n 2) 4) (< 6 (- n 2)))
     (or (= result0 0) (= (- n 2) 1) (< 1 (- n 2)))
     (or (= result0 1) (< (- n 2) 1) (< 3 (- n 2)))): 0.000583 seconds
  0.049383s: fibo_2calls_10_1__verifast_instrumented_modified.c(17,42-44): Consuming assertion
  0.049406s: Z3 query (or (= (+ result result0) 0) (= n 1) (< 2 n)) returns false: 0.000497 seconds
  0.049964s: fibo_2calls_10_1__verifast_instrumented_modified.c(17,42-44): Consuming expression
  0.049982s: Z3 query (or (= (+ result result0) 0) (= n 1) (< 2 n)) returns false: 0.000461 seconds
fibo_2calls_10_1__verifast_instrumented_modified.c(17,42-44): Cannot prove condition. (Cannot prove (or (= (+ result result0) 0) (= n 1) (< 2 n)).)