./verifast-validate-witness.sh sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_4-1.yml/witness-2.1.yml


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


+ PROGRAM=sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c
+ WITNESS=./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_4-1.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_4-1.c
+ FILE=fibo_2calls_4-1.c
++ echo fibo_2calls_4-1
++ sed 's/[-\.]/_/g' -
+ SANITIZED=fibo_2calls_4_1
+ MODULE=fibo_2calls_4_1__verifast_instrumented_modified
+ INSTRUMENTED_PROGRAM=fibo_2calls_4_1__verifast_instrumented.c
++ basename ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_4-1.yml/witness-2.1.yml
+ TRANSLATED_WITNESS=verifast_translated.witness-2.1.yml
+ FINAL_PROGRAM=fibo_2calls_4_1__verifast_instrumented_modified.c
+ change_format_cli.py -w ./results/automizer-verification-files/SV-COMP24_unreach-call/fibo_2calls_4-1.yml/witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c -o verifast_translated.witness-2.1.yml --from acsl_expression --to verifast_expression -n fibo_2calls_4_1__verifast_instrumented_modified
+ instrument_program_cli.py -w verifast_translated.witness-2.1.yml -p sv-benchmarks/c/recursive-simple/fibo_2calls_4-1.c -o fibo_2calls_4_1__verifast_instrumented.c
+ program_modifications_cli.py -p fibo_2calls_4_1__verifast_instrumented.c -o fibo_2calls_4_1__verifast_instrumented_modified.c
+ verifast -stats -verbose 4 -allow_dead_code -prover Z3v4.5 -read_options_from_source_file -c fibo_2calls_4_1__verifast_instrumented_modified.c
fibo_2calls_4_1__verifast_instrumented_modified.c
  0.047494s: fibo_2calls_4_1__verifast_instrumented_modified.c(16,5-10): Function 'fibo1': Function prototype implementation check
  0.047554s: fibo_2calls_4_1__verifast_instrumented_modified.c(13,5-10): Producing assertion
  0.047579s: Z3 assume false: 0.000026 seconds
  0.047729s: fibo_2calls_4_1__verifast_instrumented_modified.c(28,5-10): Function 'fibo2': Function prototype implementation check
  0.047744s: fibo_2calls_4_1__verifast_instrumented_modified.c(14,5-10): Producing assertion
  0.047753s: Z3 assume false: 0.000007 seconds
  0.047883s: fibo_2calls_4_1__verifast_instrumented_modified.c(48,5-9): Function 'main': Function type implementation check
  0.047908s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,18-24): Producing assertion
  0.047934s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,49-51): Producing assertion
  0.047950s: Z3 assume (<= 0 argc): 0.000560 seconds
  0.048560s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,61-62): Producing assertion
  0.048576s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1084,64-68): Producing assertion
  0.048601s: fibo_2calls_4_1__verifast_instrumented_modified.c(48,29-35): Consuming assertion
  0.048643s: Consuming chunk module(fibo_2calls_4_1__verifast_instrumented_modified, true)
  0.048663s: fibo_2calls_4_1__verifast_instrumented_modified.c(49,13-17): Producing assertion
  0.048676s: /storage/repos/SV-Transformer-Library/verifast-24.08.30-2-gb1220004/bin/prelude.h(1085,17-21): Consuming assertion
  0.048684s: fibo_2calls_4_1__verifast_instrumented_modified.c(48,5-9): Cleaning up dummy fraction chunks
  0.048698s: fibo_2calls_4_1__verifast_instrumented_modified.c(48,5-9): Leak check.
  0.048811s: fibo_2calls_4_1__verifast_instrumented_modified.c(9,6-17): Verifying function 'reach_error'
  0.048823s: fibo_2calls_4_1__verifast_instrumented_modified.c(9,33-38): Producing assertion
  0.048832s: Z3 assume false: 0.000007 seconds
  0.048898s: fibo_2calls_4_1__verifast_instrumented_modified.c(16,5-10): Verifying function 'fibo1'
  0.048920s: fibo_2calls_4_1__verifast_instrumented_modified.c(16,31-35): Producing assertion
  0.048936s: Z3 assume true: 0.000425 seconds
  0.049390s: fibo_2calls_4_1__verifast_instrumented_modified.c(16,5-10): Executing statement
  0.049414s: fibo_2calls_4_1__verifast_instrumented_modified.c(19,5-7): Executing statement
  0.049446s: Z3 assume (< n 1): 0.000438 seconds
  0.049923s: fibo_2calls_4_1__verifast_instrumented_modified.c(19,16-17): Executing statement
  0.049946s: fibo_2calls_4_1__verifast_instrumented_modified.c(20,9-15): Executing return statement
  0.049965s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,100-102): Consuming assertion
  0.049992s: Z3 query (and (or (= 0 1) (< n 1) (< 2 n))
     (or (= 0 0) (< 1 n) (= n 1))
     (or (= 3 n) (< 4 n) (< n 2) (and (= 3 0) (= n 4)))) returns true: 0.000092 seconds
  0.050273s: fibo_2calls_4_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.050286s: fibo_2calls_4_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.050305s: Z3 assume (not (< n 1)): 0.000448 seconds
  0.050791s: fibo_2calls_4_1__verifast_instrumented_modified.c(21,12-14): Executing statement
  0.050825s: Z3 assume (= n 1): 0.000446 seconds
  0.051299s: fibo_2calls_4_1__verifast_instrumented_modified.c(21,24-25): Executing statement
  0.051323s: fibo_2calls_4_1__verifast_instrumented_modified.c(22,9-15): Executing return statement
  0.051336s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,100-102): Consuming assertion
  0.051360s: Z3 query (and (or (= 1 1) (< n 1) (< 2 n))
     (or (= 1 0) (< 1 n) (= n 1))
     (or (= 3 n) (< 4 n) (< n 2) (and (= 3 1) (= n 4)))) returns true: 0.000034 seconds
  0.051549s: fibo_2calls_4_1__verifast_instrumented_modified.c(26,1-2): Cleaning up dummy fraction chunks
  0.051567s: fibo_2calls_4_1__verifast_instrumented_modified.c(26,1-2): Leak check.
  0.051587s: Z3 assume (not (= n 1)): 0.000445 seconds
  0.052068s: fibo_2calls_4_1__verifast_instrumented_modified.c(23,12-13): Executing statement
  0.052087s: fibo_2calls_4_1__verifast_instrumented_modified.c(24,9-15): Executing return statement
  0.052121s: fibo_2calls_4_1__verifast_instrumented_modified.c(24,16-21): Verifying call
  0.052131s: fibo_2calls_4_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.052139s: Z3 query true returns true: 0.000014 seconds
  0.052204s: fibo_2calls_4_1__verifast_instrumented_modified.c(29,74-76): Producing assertion
  0.052232s: Z3 assume (and (or (and (= result 1) (= (- n 1) 1)) (= result 0) (< 1 (- n 1)))
     (or (and (= result 1) (= (- n 1) 1))
         (< (- n 1) 1)
         (< 3 (- n 1))
         (and (= result 1) (= 2 (- n 1))))): 0.000506 seconds
  0.052968s: fibo_2calls_4_1__verifast_instrumented_modified.c(24,29-34): Verifying call
  0.052988s: fibo_2calls_4_1__verifast_instrumented_modified.c(28,31-35): Consuming assertion
  0.052997s: Z3 query true returns true: 0.000018 seconds
  0.053065s: fibo_2calls_4_1__verifast_instrumented_modified.c(29,74-76): Producing assertion
  0.053089s: Z3 assume (and (or (and (= result0 1) (= (- n 2) 1)) (= result0 0) (< 1 (- n 2)))
     (or (and (= result0 1) (= (- n 2) 1))
         (< (- n 2) 1)
         (< 3 (- n 2))
         (and (= result0 1) (= 2 (- n 2))))): 0.000541 seconds
  0.053838s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,100-102): Consuming assertion
  0.053872s: Z3 query (and (or (= (+ result result0) 1) (< n 1) (< 2 n))
     (or (= (+ result result0) 0) (< 1 n) (= n 1))
     (or (= 3 n) (< 4 n) (< n 2) (and (= 3 (+ result result0)) (= n 4)))) returns false: 0.000615 seconds
  0.054686s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,43-45): Consuming expression
  0.054710s: Z3 query (or (= (+ result result0) 1) (< n 1) (< 2 n)) returns true: 0.000070 seconds
  0.054844s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,86-88): Consuming expression
  0.054861s: Z3 query (or (= (+ result result0) 0) (< 1 n) (= n 1)) returns true: 0.000038 seconds
  0.054970s: fibo_2calls_4_1__verifast_instrumented_modified.c(17,139-141): Consuming expression
  0.054988s: Z3 query (or (= 3 n) (< 4 n) (< n 2) (and (= 3 (+ result result0)) (= n 4))) returns false: 0.000481 seconds
fibo_2calls_4_1__verifast_instrumented_modified.c(17,100-102): Cannot prove condition. (Cannot prove (or (= 3 n) (< 4 n) (< n 2) (and (= 3 (+ result result0)) (= n 4))).)