./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/fibo_2calls_15-2.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/fibo_2calls_15-2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:11:56,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:11:56,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:11:56,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:11:56,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:11:56,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:11:56,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:11:56,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:11:56,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:11:56,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:11:56,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:11:56,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:11:56,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:11:56,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:11:56,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:11:56,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:11:56,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:11:56,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:11:56,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:11:56,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:11:56,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:11:56,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:11:56,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:11:56,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:11:56,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:11:56,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:11:56,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:11:56,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:11:56,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:11:56,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:11:56,263 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:11:56,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:11:56,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:11:56,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:56,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:11:56,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:11:56,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:11:56,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:11:56,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:11:56,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:11:56,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:11:56,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:11:56,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:11:56,271 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:11:56,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:11:56,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:11:56,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:11:56,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:11:56,652 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:11:56,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-21 19:11:58,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:11:58,279 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:11:58,280 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-21 19:11:58,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0ee68fe4a/a0528e2d3fc24e7dbcbd3b13d9ab23a0/FLAG950d08abc [2024-09-21 19:11:58,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0ee68fe4a/a0528e2d3fc24e7dbcbd3b13d9ab23a0 [2024-09-21 19:11:58,302 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:11:58,303 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:11:58,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/fibo_2calls_15-2.yml/output/witness-2.1.yml [2024-09-21 19:11:58,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:11:58,349 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:11:58,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:58,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:11:58,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:11:58,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:58" (1/2) ... [2024-09-21 19:11:58,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34866063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:58, skipping insertion in model container [2024-09-21 19:11:58,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:58" (1/2) ... [2024-09-21 19:11:58,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33beb231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:58, skipping insertion in model container [2024-09-21 19:11:58,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:58" (2/2) ... [2024-09-21 19:11:58,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34866063 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:58, skipping insertion in model container [2024-09-21 19:11:58,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:11:58" (2/2) ... [2024-09-21 19:11:58,363 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:11:58,363 INFO L1541 ArrayList]: Function contract at [L9]: requires n == (2) || n == (8) || n == (3) || n == (1) || n == (0) || n == (4) || n == (5) || n == (9) || n == (6) || n == (11) || n == (7) || n == (10) || n == (12) || n == (15) || n == (13), ensures (!(n == (6)) || ( esult == (8))) && (!(n == (0)) || ( esult == (0))) && (!(n == (2)) || ( esult == (1))) && (!(n == (5)) || ( esult == (5))) && (!(n == (4)) || ( esult == (3))) && (!(n == (3)) || ( esult == (2))) && (!(n == (1)) || ( esult == (1))) && (!(n == (10)) || ( esult == (55))) && (!(n == (8)) || ( esult == (21))) && (!(n == (7)) || ( esult == (13))) && (!(n == (9)) || ( esult == (34))) && (!(n == (12)) || ( esult == (144))) && (!(n == (15)) || ( esult == (610))) && (!(n == (11)) || ( esult == (89))) && (!(n == (13)) || ( esult == (233))) [2024-09-21 19:11:58,363 INFO L1541 ArrayList]: Function contract at [L19]: requires n == (1) || n == (2) || n == (0) || n == (3) || n == (6) || n == (7) || n == (4) || n == (11) || n == (8) || n == (9) || n == (5) || n == (10) || n == (12) || n == (14) || n == (13), ensures (!(n == (1)) || ( esult == (1))) && (!(n == (4)) || ( esult == (3))) && (!(n == (2)) || ( esult == (1))) && (!(n == (0)) || ( esult == (0))) && (!(n == (8)) || ( esult == (21))) && (!(n == (3)) || ( esult == (2))) && (!(n == (5)) || ( esult == (5))) && (!(n == (13)) || ( esult == (233))) && (!(n == (10)) || ( esult == (55))) && (!(n == (7)) || ( esult == (13))) && (!(n == (6)) || ( esult == (8))) && (!(n == (9)) || ( esult == (34))) && (!(n == (11)) || ( esult == (89))) && (!(n == (12)) || ( esult == (144))) && (!(n == (14)) || ( esult == (377))) [2024-09-21 19:11:58,364 INFO L1541 ArrayList]: Function contract at [L37]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:11:58,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:11:58,520 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2024-09-21 19:11:58,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:58,544 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:11:58,575 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:11:58,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33beb231 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:58, skipping insertion in model container [2024-09-21 19:11:58,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:58,576 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:11:58,578 INFO L158 Benchmark]: Toolchain (without parser) took 227.79ms. Allocated memory was 146.8MB in the beginning and 228.6MB in the end (delta: 81.8MB). Free memory was 75.3MB in the beginning and 198.4MB in the end (delta: -123.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-21 19:11:58,578 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 96.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:58,579 INFO L158 Benchmark]: Witness Parser took 1.20ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:58,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.76ms. Allocated memory was 146.8MB in the beginning and 228.6MB in the end (delta: 81.8MB). Free memory was 75.0MB in the beginning and 198.4MB in the end (delta: -123.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-21 19:11:58,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 146.8MB. Free memory was 97.0MB in the beginning and 96.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.20ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 77.3MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.76ms. Allocated memory was 146.8MB in the beginning and 228.6MB in the end (delta: 81.8MB). Free memory was 75.0MB in the beginning and 198.4MB in the end (delta: -123.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 10]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/fibo_2calls_15-2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:00,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:00,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:12:00,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:00,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:00,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:00,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:00,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:00,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:00,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:00,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:00,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:00,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:00,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:00,499 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:00,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:00,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:00,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:00,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:00,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:00,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:00,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:00,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:00,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:12:00,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:12:00,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:00,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:12:00,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:00,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:00,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:00,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:00,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:00,505 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:00,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:00,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:00,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:00,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:00,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:00,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:00,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:12:00,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:12:00,516 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:00,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:00,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:00,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:00,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:00,800 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:00,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-21 19:12:02,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:02,385 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:02,385 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2024-09-21 19:12:02,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b8959ab1b/f03903c34a684dd594f8068c3d373608/FLAG5e4547d4e [2024-09-21 19:12:02,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b8959ab1b/f03903c34a684dd594f8068c3d373608 [2024-09-21 19:12:02,404 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:02,405 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:02,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/fibo_2calls_15-2.yml/output/witness-2.1.yml [2024-09-21 19:12:02,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:02,449 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:02,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:02,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:02,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:02,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:02" (1/2) ... [2024-09-21 19:12:02,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719a2c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:02, skipping insertion in model container [2024-09-21 19:12:02,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:02" (1/2) ... [2024-09-21 19:12:02,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45c55f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:02, skipping insertion in model container [2024-09-21 19:12:02,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:02" (2/2) ... [2024-09-21 19:12:02,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719a2c9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:02, skipping insertion in model container [2024-09-21 19:12:02,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:02" (2/2) ... [2024-09-21 19:12:02,482 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:02,483 INFO L1541 ArrayList]: Function contract at [L9]: requires n == (2) || n == (8) || n == (3) || n == (1) || n == (0) || n == (4) || n == (5) || n == (9) || n == (6) || n == (11) || n == (7) || n == (10) || n == (12) || n == (15) || n == (13), ensures (!(n == (6)) || ( esult == (8))) && (!(n == (0)) || ( esult == (0))) && (!(n == (2)) || ( esult == (1))) && (!(n == (5)) || ( esult == (5))) && (!(n == (4)) || ( esult == (3))) && (!(n == (3)) || ( esult == (2))) && (!(n == (1)) || ( esult == (1))) && (!(n == (10)) || ( esult == (55))) && (!(n == (8)) || ( esult == (21))) && (!(n == (7)) || ( esult == (13))) && (!(n == (9)) || ( esult == (34))) && (!(n == (12)) || ( esult == (144))) && (!(n == (15)) || ( esult == (610))) && (!(n == (11)) || ( esult == (89))) && (!(n == (13)) || ( esult == (233))) [2024-09-21 19:12:02,483 INFO L1541 ArrayList]: Function contract at [L19]: requires n == (1) || n == (2) || n == (0) || n == (3) || n == (6) || n == (7) || n == (4) || n == (11) || n == (8) || n == (9) || n == (5) || n == (10) || n == (12) || n == (14) || n == (13), ensures (!(n == (1)) || ( esult == (1))) && (!(n == (4)) || ( esult == (3))) && (!(n == (2)) || ( esult == (1))) && (!(n == (0)) || ( esult == (0))) && (!(n == (8)) || ( esult == (21))) && (!(n == (3)) || ( esult == (2))) && (!(n == (5)) || ( esult == (5))) && (!(n == (13)) || ( esult == (233))) && (!(n == (10)) || ( esult == (55))) && (!(n == (7)) || ( esult == (13))) && (!(n == (6)) || ( esult == (8))) && (!(n == (9)) || ( esult == (34))) && (!(n == (11)) || ( esult == (89))) && (!(n == (12)) || ( esult == (144))) && (!(n == (14)) || ( esult == (377))) [2024-09-21 19:12:02,483 INFO L1541 ArrayList]: Function contract at [L37]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:02,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:02,664 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2024-09-21 19:12:02,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:02,690 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:12:02,731 ERROR L321 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: esult [2024-09-21 19:12:02,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45c55f22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:02, skipping insertion in model container [2024-09-21 19:12:02,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:02,734 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2024-09-21 19:12:02,736 INFO L158 Benchmark]: Toolchain (without parser) took 286.16ms. Allocated memory is still 65.0MB. Free memory was 27.2MB in the beginning and 34.5MB in the end (delta: -7.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-21 19:12:02,736 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:02,736 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:02,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.49ms. Allocated memory is still 65.0MB. Free memory was 27.0MB in the beginning and 34.7MB in the end (delta: -7.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-21 19:12:02,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 65.0MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.49ms. Allocated memory is still 65.0MB. Free memory was 27.0MB in the beginning and 34.7MB in the end (delta: -7.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - SyntaxErrorResult [Line: 10]: Incorrect Syntax Undeclared variable in ACSL expression: esult RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN