./verifast-validate-witness.sh sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_8-1.yml/witness-2.1.yml


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


+ PROGRAM=sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c
+ WITNESS=./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_8-1.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_8-1.c
+ FILE=fibo_2calls_8-1.c
++ echo fibo_2calls_8-1
++ sed 's/[-\.]/_/g' -
+ SANITIZED=fibo_2calls_8_1
+ MODULE=fibo_2calls_8_1__verifast_instrumented_modified
+ INSTRUMENTED_PROGRAM=fibo_2calls_8_1__verifast_instrumented.c
++ basename ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_8-1.yml/witness-2.1.yml
+ TRANSLATED_WITNESS=verifast_translated.witness-2.1.yml
+ FINAL_PROGRAM=fibo_2calls_8_1__verifast_instrumented_modified.c
+ change_format_cli.py -w ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_8-1.yml/witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -o verifast_translated.witness-2.1.yml --from acsl_expression --to verifast_expression -n fibo_2calls_8_1__verifast_instrumented_modified
+ instrument_program_cli.py -w verifast_translated.witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_8-1.c -o fibo_2calls_8_1__verifast_instrumented.c
+ program_modifications_cli.py -p fibo_2calls_8_1__verifast_instrumented.c -o fibo_2calls_8_1__verifast_instrumented_modified.c
+ verifast -stats -verbose 4 -allow_dead_code -prover Z3v4.5 -read_options_from_source_file -c fibo_2calls_8_1__verifast_instrumented_modified.c
fibo_2calls_8_1__verifast_instrumented_modified.c
  0.043329s: fibo_2calls_8_1__verifast_instrumented_modified.c(16,5-10): Function 'fibo1': Function prototype implementation check
  0.043365s: fibo_2calls_8_1__verifast_instrumented_modified.c(13,5-10): Producing assertion
  0.043385s: Z3 assume false: 0.000014 seconds
  0.043470s: fibo_2calls_8_1__verifast_instrumented_modified.c(28,5-10): Function 'fibo2': Function prototype implementation check
  0.043484s: fibo_2calls_8_1__verifast_instrumented_modified.c(14,5-10): Producing assertion
  0.043494s: Z3 assume false: 0.000007 seconds
  0.043563s: fibo_2calls_8_1__verifast_instrumented_modified.c(48,5-9): Function 'main': Function type implementation check
  0.043586s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,18-24): Producing assertion
  0.043599s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,49-51): Producing assertion
  0.043610s: Z3 assume (<= 0 argc): 0.000523 seconds
  0.044175s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,61-62): Producing assertion
  0.044191s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,64-68): Producing assertion
  0.044211s: fibo_2calls_8_1__verifast_instrumented_modified.c(48,29-35): Consuming assertion
  0.044245s: Consuming chunk module(fibo_2calls_8_1__verifast_instrumented_modified, true)
  0.044265s: fibo_2calls_8_1__verifast_instrumented_modified.c(49,13-17): Producing assertion
  0.044277s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1085,17-21): Consuming assertion
  0.044286s: fibo_2calls_8_1__verifast_instrumented_modified.c(48,5-9): Cleaning up dummy fraction chunks
  0.044299s: fibo_2calls_8_1__verifast_instrumented_modified.c(48,5-9): Leak check.
  0.044377s: fibo_2calls_8_1__verifast_instrumented_modified.c(9,6-17): Verifying function 'reach_error'
  0.044390s: fibo_2calls_8_1__verifast_instrumented_modified.c(9,33-38): Producing assertion
  0.044399s: Z3 assume false: 0.000007 seconds
  0.044459s: fibo_2calls_8_1__verifast_instrumented_modified.c(16,5-10): Verifying function 'fibo1'
  0.044471s: fibo_2calls_8_1__verifast_instrumented_modified.c(16,31-35): Producing assertion
  0.044487s: Z3 assume true: 0.000426 seconds
  0.044933s: fibo_2calls_8_1__verifast_instrumented_modified.c(16,5-10): Executing statement
  0.044953s: fibo_2calls_8_1__verifast_instrumented_modified.c(19,5-7): Executing statement
  0.044976s: Z3 assume (< n 1): 0.000420 seconds
  0.045425s: fibo_2calls_8_1__verifast_instrumented_modified.c(19,16-17): Executing statement
  0.045445s: fibo_2calls_8_1__verifast_instrumented_modified.c(20,9-15): Executing return statement
  0.045463s: fibo_2calls_8_1__verifast_instrumented_modified.c(17,74-76): Consuming assertion
  0.045479s: Z3 query (and (or (= 0 0) (and (= n 1) (= 0 1)) (< 2 n)) (or (= 21 0) (not (= n 8)))) returns true: 0.000053 seconds
  0.045667s: fibo_2calls_8_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.045679s: fibo_2calls_8_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.045698s: Z3 assume (not (< n 1)): 0.000435 seconds
  0.046169s: fibo_2calls_8_1__verifast_instrumented_modified.c(21,12-14): Executing statement
  0.046196s: Z3 assume (= n 1): 0.000423 seconds
  0.046645s: fibo_2calls_8_1__verifast_instrumented_modified.c(21,24-25): Executing statement
  0.046663s: fibo_2calls_8_1__verifast_instrumented_modified.c(22,9-15): Executing return statement
  0.046674s: fibo_2calls_8_1__verifast_instrumented_modified.c(17,74-76): Consuming assertion
  0.046689s: Z3 query (and (or (= 1 0) (and (= n 1) (= 1 1)) (< 2 n)) (or (= 21 1) (not (= n 8)))) returns true: 0.000032 seconds
  0.046839s: fibo_2calls_8_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.046857s: fibo_2calls_8_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.046875s: Z3 assume (not (= n 1)): 0.000422 seconds
  0.047332s: fibo_2calls_8_1__verifast_instrumented_modified.c(23,12-13): Executing statement
  0.047350s: fibo_2calls_8_1__verifast_instrumented_modified.c(24,9-15): Executing return statement
  0.047366s: fibo_2calls_8_1__verifast_instrumented_modified.c(24,16-21): Verifying call
  0.047382s: fibo_2calls_8_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.047390s: Z3 query true returns true: 0.000013 seconds
  0.047448s: fibo_2calls_8_1__verifast_instrumented_modified.c(29,55-57): Producing assertion
  0.047466s: Z3 assume (and (or (< (- n 1) 6) (= result 13) (< 7 (- n 1)))
     (or (= result 0) (= (- n 1) 1) (< 1 (- n 1)))): 0.000488 seconds
  0.048102s: fibo_2calls_8_1__verifast_instrumented_modified.c(24,29-34): Verifying call
  0.048122s: fibo_2calls_8_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.048131s: Z3 query true returns true: 0.000017 seconds
  0.048193s: fibo_2calls_8_1__verifast_instrumented_modified.c(29,55-57): Producing assertion
  0.048212s: Z3 assume (and (or (< (- n 2) 6) (= result0 13) (< 7 (- n 2)))
     (or (= result0 0) (= (- n 2) 1) (< 1 (- n 2)))): 0.000539 seconds
  0.048886s: fibo_2calls_8_1__verifast_instrumented_modified.c(17,74-76): Consuming assertion
  0.048907s: Z3 query (and (or (= (+ result result0) 0)
         (and (= n 1) (= (+ result result0) 1))
         (< 2 n))
     (or (= 21 (+ result result0)) (not (= n 8)))) returns false: 0.000521 seconds
  0.049586s: fibo_2calls_8_1__verifast_instrumented_modified.c(17,62-64): Consuming expression
  0.049613s: Z3 query (or (= (+ result result0) 0) (and (= n 1) (= (+ result result0) 1)) (< 2 n)) returns false: 0.000480 seconds
fibo_2calls_8_1__verifast_instrumented_modified.c(17,74-76): Cannot prove condition. (Cannot prove (or (= (+ result result0) 0) (and (= n 1) (= (+ result result0) 1)) (< 2 n)).)