./verifast-validate-witness.sh sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_6-1.yml/witness-2.1.yml


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


+ PROGRAM=sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c
+ WITNESS=./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_6-1.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_6-1.c
+ FILE=fibo_2calls_6-1.c
++ echo fibo_2calls_6-1
++ sed 's/[-\.]/_/g' -
+ SANITIZED=fibo_2calls_6_1
+ MODULE=fibo_2calls_6_1__verifast_instrumented_modified
+ INSTRUMENTED_PROGRAM=fibo_2calls_6_1__verifast_instrumented.c
++ basename ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_6-1.yml/witness-2.1.yml
+ TRANSLATED_WITNESS=verifast_translated.witness-2.1.yml
+ FINAL_PROGRAM=fibo_2calls_6_1__verifast_instrumented_modified.c
+ change_format_cli.py -w ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_6-1.yml/witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -o verifast_translated.witness-2.1.yml --from acsl_expression --to verifast_expression -n fibo_2calls_6_1__verifast_instrumented_modified
+ instrument_program_cli.py -w verifast_translated.witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -o fibo_2calls_6_1__verifast_instrumented.c
+ program_modifications_cli.py -p fibo_2calls_6_1__verifast_instrumented.c -o fibo_2calls_6_1__verifast_instrumented_modified.c
+ verifast -stats -verbose 4 -allow_dead_code -prover Z3v4.5 -read_options_from_source_file -c fibo_2calls_6_1__verifast_instrumented_modified.c
fibo_2calls_6_1__verifast_instrumented_modified.c
  0.043116s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,5-10): Function 'fibo1': Function prototype implementation check
  0.043187s: fibo_2calls_6_1__verifast_instrumented_modified.c(13,5-10): Producing assertion
  0.043217s: Z3 assume false: 0.000023 seconds
  0.043337s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,5-10): Function 'fibo2': Function prototype implementation check
  0.043353s: fibo_2calls_6_1__verifast_instrumented_modified.c(14,5-10): Producing assertion
  0.043363s: Z3 assume false: 0.000006 seconds
  0.043437s: fibo_2calls_6_1__verifast_instrumented_modified.c(48,5-9): Function 'main': Function type implementation check
  0.043461s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,18-24): Producing assertion
  0.043477s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,49-51): Producing assertion
  0.043487s: Z3 assume (<= 0 argc): 0.000544 seconds
  0.044081s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,61-62): Producing assertion
  0.044097s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,64-68): Producing assertion
  0.044120s: fibo_2calls_6_1__verifast_instrumented_modified.c(48,29-35): Consuming assertion
  0.044160s: Consuming chunk module(fibo_2calls_6_1__verifast_instrumented_modified, true)
  0.044180s: fibo_2calls_6_1__verifast_instrumented_modified.c(49,13-17): Producing assertion
  0.044193s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1085,17-21): Consuming assertion
  0.044202s: fibo_2calls_6_1__verifast_instrumented_modified.c(48,5-9): Cleaning up dummy fraction chunks
  0.044216s: fibo_2calls_6_1__verifast_instrumented_modified.c(48,5-9): Leak check.
  0.044301s: fibo_2calls_6_1__verifast_instrumented_modified.c(9,6-17): Verifying function 'reach_error'
  0.044314s: fibo_2calls_6_1__verifast_instrumented_modified.c(9,33-38): Producing assertion
  0.044323s: Z3 assume false: 0.000008 seconds
  0.044387s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,5-10): Verifying function 'fibo1'
  0.044400s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,31-35): Producing assertion
  0.044416s: Z3 assume true: 0.000415 seconds
  0.044854s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,5-10): Executing statement
  0.044888s: fibo_2calls_6_1__verifast_instrumented_modified.c(19,5-7): Executing statement
  0.044918s: Z3 assume (< n 1): 0.000420 seconds
  0.045366s: fibo_2calls_6_1__verifast_instrumented_modified.c(19,16-17): Executing statement
  0.045387s: fibo_2calls_6_1__verifast_instrumented_modified.c(20,9-15): Executing return statement
  0.045405s: fibo_2calls_6_1__verifast_instrumented_modified.c(17,28-30): Consuming assertion
  0.045417s: Z3 query (or (= 0 0) (< 0 n)) returns true: 0.000017 seconds
  0.045481s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.045492s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.045510s: Z3 assume (not (< n 1)): 0.000430 seconds
  0.045976s: fibo_2calls_6_1__verifast_instrumented_modified.c(21,12-14): Executing statement
  0.046003s: Z3 assume (= n 1): 0.000428 seconds
  0.046458s: fibo_2calls_6_1__verifast_instrumented_modified.c(21,24-25): Executing statement
  0.046476s: fibo_2calls_6_1__verifast_instrumented_modified.c(22,9-15): Executing return statement
  0.046487s: fibo_2calls_6_1__verifast_instrumented_modified.c(17,28-30): Consuming assertion
  0.046498s: Z3 query (or (= 1 0) (< 0 n)) returns true: 0.000020 seconds
  0.046556s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.046573s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.046591s: Z3 assume (not (= n 1)): 0.000423 seconds
  0.047050s: fibo_2calls_6_1__verifast_instrumented_modified.c(23,12-13): Executing statement
  0.047069s: fibo_2calls_6_1__verifast_instrumented_modified.c(24,9-15): Executing return statement
  0.047088s: fibo_2calls_6_1__verifast_instrumented_modified.c(24,16-21): Verifying call
  0.047098s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.047112s: Z3 query true returns true: 0.000013 seconds
  0.047171s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Producing assertion
  0.047197s: Z3 assume (and (or (and (= 2 result) (= 3 (- n 1)))
         (and (= result 1) (= (- n 1) 1))
         (< 5 (- n 1))
         (and (= 3 result) (= (- n 1) 4))
         (< (- n 1) 1)
         (and (= 5 result) (= 5 (- n 1)))
         (and (= result 1) (= 2 (- n 1))))
     (or (= result 0) (= (- n 1) 1) (< 1 (- n 1)))): 0.000612 seconds
  0.048143s: fibo_2calls_6_1__verifast_instrumented_modified.c(24,29-34): Verifying call
  0.048163s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.048172s: Z3 query true returns true: 0.000017 seconds
  0.048239s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Producing assertion
  0.048265s: Z3 assume (and (or (and (= 2 result0) (= 3 (- n 2)))
         (and (= result0 1) (= (- n 2) 1))
         (< 5 (- n 2))
         (and (= 3 result0) (= (- n 2) 4))
         (< (- n 2) 1)
         (and (= 5 result0) (= 5 (- n 2)))
         (and (= result0 1) (= 2 (- n 2))))
     (or (= result0 0) (= (- n 2) 1) (< 1 (- n 2)))): 0.000568 seconds
  0.049135s: fibo_2calls_6_1__verifast_instrumented_modified.c(17,28-30): Consuming assertion
  0.049158s: Z3 query (or (= (+ result result0) 0) (< 0 n)) returns true: 0.000071 seconds
  0.049279s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.049293s: fibo_2calls_6_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.049390s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,5-10): Verifying function 'fibo2'
  0.049403s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,31-35): Producing assertion
  0.049412s: Z3 assume true: 0.000385 seconds
  0.049815s: fibo_2calls_6_1__verifast_instrumented_modified.c(28,5-10): Executing statement
  0.049831s: fibo_2calls_6_1__verifast_instrumented_modified.c(31,5-7): Executing statement
  0.049847s: Z3 assume (< n 1): 0.000410 seconds
  0.050283s: fibo_2calls_6_1__verifast_instrumented_modified.c(31,16-17): Executing statement
  0.050308s: fibo_2calls_6_1__verifast_instrumented_modified.c(32,9-15): Executing return statement
  0.050319s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Consuming assertion
  0.050339s: Z3 query (and (or (and (= 2 0) (= 3 n))
         (and (= 0 1) (= n 1))
         (< 5 n)
         (and (= 3 0) (= n 4))
         (< n 1)
         (and (= 5 0) (= 5 n))
         (and (= 0 1) (= 2 n)))
     (or (= 0 0) (= n 1) (< 1 n))) returns true: 0.000037 seconds
  0.050594s: fibo_2calls_6_1__verifast_instrumented_modified.c(38,1-2): Cleaning up dummy fraction chunks
  0.050611s: fibo_2calls_6_1__verifast_instrumented_modified.c(38,1-2): Leak check.
  0.050628s: Z3 assume (not (< n 1)): 0.000413 seconds
  0.051076s: fibo_2calls_6_1__verifast_instrumented_modified.c(33,12-14): Executing statement
  0.051096s: Z3 assume (= n 1): 0.000406 seconds
  0.051528s: fibo_2calls_6_1__verifast_instrumented_modified.c(33,24-25): Executing statement
  0.051552s: fibo_2calls_6_1__verifast_instrumented_modified.c(34,9-15): Executing return statement
  0.051565s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Consuming assertion
  0.051584s: Z3 query (and (or (and (= 2 1) (= 3 n))
         (and (= 1 1) (= n 1))
         (< 5 n)
         (and (= 3 1) (= n 4))
         (< n 1)
         (and (= 5 1) (= 5 n))
         (and (= 1 1) (= 2 n)))
     (or (= 1 0) (= n 1) (< 1 n))) returns true: 0.000028 seconds
  0.051832s: fibo_2calls_6_1__verifast_instrumented_modified.c(38,1-2): Cleaning up dummy fraction chunks
  0.051857s: fibo_2calls_6_1__verifast_instrumented_modified.c(38,1-2): Leak check.
  0.051878s: Z3 assume (not (= n 1)): 0.000411 seconds
  0.052324s: fibo_2calls_6_1__verifast_instrumented_modified.c(35,12-13): Executing statement
  0.052343s: fibo_2calls_6_1__verifast_instrumented_modified.c(36,9-15): Executing return statement
  0.052361s: fibo_2calls_6_1__verifast_instrumented_modified.c(36,16-21): Verifying call
  0.052378s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,31-35): Consuming assertion
  0.052385s: Z3 query true returns true: 0.000014 seconds
  0.052442s: fibo_2calls_6_1__verifast_instrumented_modified.c(17,28-30): Producing assertion
  0.052459s: Z3 assume (or (= result 0) (< 0 (- n 1))): 0.000425 seconds
  0.052942s: fibo_2calls_6_1__verifast_instrumented_modified.c(36,29-34): Verifying call
  0.052956s: fibo_2calls_6_1__verifast_instrumented_modified.c(16,31-35): Consuming assertion
  0.052971s: Z3 query true returns true: 0.000016 seconds
  0.053030s: fibo_2calls_6_1__verifast_instrumented_modified.c(17,28-30): Producing assertion
  0.053046s: Z3 assume (or (= result0 0) (< 0 (- n 2))): 0.000424 seconds
  0.053523s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Consuming assertion
  0.053547s: Z3 query (and (or (and (= 2 (+ result result0)) (= 3 n))
         (and (= (+ result result0) 1) (= n 1))
         (< 5 n)
         (and (= 3 (+ result result0)) (= n 4))
         (< n 1)
         (and (= 5 (+ result result0)) (= 5 n))
         (and (= (+ result result0) 1) (= 2 n)))
     (or (= (+ result result0) 0) (= n 1) (< 1 n))) returns false: 0.000610 seconds
  0.054444s: fibo_2calls_6_1__verifast_instrumented_modified.c(29,168-170): Consuming expression
  0.054474s: Z3 query (or (and (= 2 (+ result result0)) (= 3 n))
    (and (= (+ result result0) 1) (= n 1))
    (< 5 n)
    (and (= 3 (+ result result0)) (= n 4))
    (< n 1)
    (and (= 5 (+ result result0)) (= 5 n))
    (and (= (+ result result0) 1) (= 2 n))) returns false: 0.000556 seconds
fibo_2calls_6_1__verifast_instrumented_modified.c(29,200-202): Cannot prove condition. (Cannot prove (or (and (= 2 (+ result result0)) (= 3 n)) (and (= (+ result result0) 1) (= n 1)) (< 5 n) (and (= 3 (+ result result0)) (= n 4)) (< n 1) (and (= 5 (+ result result0)) (= 5 n)) (and (= (+ result result0) 1) (= 2 n))).)