./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92ec86adef8cb9d9932012bcdd4007cb403d7f8d56dfb46a7c8cdbf60f080fa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:47,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:47,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:47:47,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:47:47,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:47:47,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:47,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:47:47,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:47:47,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:47,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:47,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:47:47,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:47,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:47,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:47,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:47,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:47,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:47,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:47:47,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:47:47,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:47:47,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ec86adef8cb9d9932012bcdd4007cb403d7f8d56dfb46a7c8cdbf60f080fa5 [2024-11-13 16:47:47,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:47,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:47,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:47,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:47,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:47,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_1_4.i Unable to find full path for "g++" [2024-11-13 16:47:49,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:49,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:49,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i [2024-11-13 16:47:49,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/8d50691b9/a43aa156148c47cf94a1248a143e1a31/FLAGb0dea5307 [2024-11-13 16:47:49,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/8d50691b9/a43aa156148c47cf94a1248a143e1a31 [2024-11-13 16:47:49,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:49,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:49,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:49,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:49,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:49,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e18c013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:49, skipping insertion in model container [2024-11-13 16:47:49,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:49" (1/1) ... [2024-11-13 16:47:49,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:50,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-11-13 16:47:50,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-11-13 16:47:50,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:50,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:50,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-11-13 16:47:50,261 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-11-13 16:47:50,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:50,285 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:50,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50 WrapperNode [2024-11-13 16:47:50,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:50,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:50,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:50,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:50,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,336 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-13 16:47:50,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:50,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:50,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:50,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:50,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:50,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:50,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:50,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:50,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:50,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:50,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:47:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:47:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:47:50,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:50,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:50,677 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:50,678 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:50,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:50,745 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:50,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:50 BoogieIcfgContainer [2024-11-13 16:47:50,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:50,747 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:50,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:50,757 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:50,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:50" (1/1) ... [2024-11-13 16:47:50,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 16:47:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 16:47:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:50,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:47:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:50,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,036 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:47:51,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:47:51 ImpRootNode [2024-11-13 16:47:51,060 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:47:51,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:47:51,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:47:51,063 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:47:51,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:50" (3/4) ... [2024-11-13 16:47:51,066 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:47:51,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:47:51,068 INFO L158 Benchmark]: Toolchain (without parser) took 1127.05ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 76.0MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,069 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.32ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.36ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,070 INFO L158 Benchmark]: Boogie Preprocessor took 24.44ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.8MB in the end (delta: 903.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,070 INFO L158 Benchmark]: RCFGBuilder took 383.35ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 87.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,072 INFO L158 Benchmark]: CodeCheck took 314.00ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 76.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,075 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.0MB in the end (delta: 178.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L100] CALL, EXPR f(IN) [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) [L100] CALL, EXPR fp(IN) [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.32ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.36ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.44ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.8MB in the end (delta: 903.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.35ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 87.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 314.00ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 76.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 76.0MB in the end (delta: 178.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:47:51,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92ec86adef8cb9d9932012bcdd4007cb403d7f8d56dfb46a7c8cdbf60f080fa5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:47:53,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:47:53,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:47:53,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:47:53,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:47:53,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:47:53,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:47:53,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:47:53,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:47:53,953 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:47:53,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:47:53,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:47:53,956 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:53,956 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:47:53,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:47:53,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:53,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:47:53,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:47:53,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:47:53,957 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:47:53,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:53,958 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:47:53,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ec86adef8cb9d9932012bcdd4007cb403d7f8d56dfb46a7c8cdbf60f080fa5 [2024-11-13 16:47:54,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:47:54,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:47:54,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:47:54,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:47:54,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:47:54,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_1_4.i Unable to find full path for "g++" [2024-11-13 16:47:56,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:56,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:56,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i [2024-11-13 16:47:56,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/5604365e7/46a352a5d517490098d6e5308bdcad0b/FLAGb835b93c4 [2024-11-13 16:47:56,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/data/5604365e7/46a352a5d517490098d6e5308bdcad0b [2024-11-13 16:47:56,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:56,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:56,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:56,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:56,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:56,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d683d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56, skipping insertion in model container [2024-11-13 16:47:56,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:56,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-11-13 16:47:56,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-11-13 16:47:56,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:56,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:56,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[1224,1237] [2024-11-13 16:47:56,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/sv-benchmarks/c/combinations/gcd_4+newton_1_4.i[2806,2819] [2024-11-13 16:47:56,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:56,821 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:56,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56 WrapperNode [2024-11-13 16:47:56,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:56,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:56,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:56,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:56,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,860 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-11-13 16:47:56,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:56,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:56,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:56,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:56,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:56,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:56,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:56,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:56,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:56" (1/1) ... [2024-11-13 16:47:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:56,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:56,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:56,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:47:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:47:57,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:57,090 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:48:14,609 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 16:48:14,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:48:14,698 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:48:14,698 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:48:14,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:14 BoogieIcfgContainer [2024-11-13 16:48:14,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:48:14,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:48:14,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:48:14,707 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:48:14,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:48:14" (1/1) ... [2024-11-13 16:48:14,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:48:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:48:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 16:48:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 16:48:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:48:14,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:48:14,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:48:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:48:14,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:48:14,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87dd9590-4a5c-4922-9df9-e5c322ab444b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:53:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:53:30,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.