./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b --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 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:46:41,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:46:41,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:46:41,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:46:41,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:46:41,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:46:41,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:46:41,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:46:41,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:46:41,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:46:41,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:46:41,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:46:41,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:46:41,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:46:41,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:46:41,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:46:41,751 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:46:41,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:46:41,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:41,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:46:41,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:46:41,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:46:41,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:46:41,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:46:41,752 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b 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 -> 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe [2024-12-06 01:46:41,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:46:42,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:46:42,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:46:42,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:46:42,010 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:46:42,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-12-06 01:46:44,664 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/06b78e0f4/4aef942ca5534dada13dc3afa191b51a/FLAGeaa465706 [2024-12-06 01:46:44,847 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:46:44,847 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-12-06 01:46:44,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/06b78e0f4/4aef942ca5534dada13dc3afa191b51a/FLAGeaa465706 [2024-12-06 01:46:45,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/06b78e0f4/4aef942ca5534dada13dc3afa191b51a [2024-12-06 01:46:45,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:46:45,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:46:45,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:45,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:46:45,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:46:45,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746ea4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45, skipping insertion in model container [2024-12-06 01:46:45,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:46:45,406 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-12-06 01:46:45,436 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-12-06 01:46:45,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:45,448 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:46:45,460 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-12-06 01:46:45,471 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-12-06 01:46:45,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:45,489 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:46:45,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45 WrapperNode [2024-12-06 01:46:45,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:45,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:45,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:46:45,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:45,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,523 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-12-06 01:46:45,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:45,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:45,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:45,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:45,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:45,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:45,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:45,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:45,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:45,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:45,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:46:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:46:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:46:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:46:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:46:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:46:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:46:45,650 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:45,652 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:46:45,792 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-12-06 01:46:45,792 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:45,837 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:45,838 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:46:45,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:45 BoogieIcfgContainer [2024-12-06 01:46:45,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:45,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:45,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:45,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:45,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:45" (1/1) ... [2024-12-06 01:46:45,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:46:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:46:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:46:45,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:46:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:46:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:46:46,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:46:46,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:46:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:46:46,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-12-06 01:46:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-12-06 01:46:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:46:46,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:46,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2024-12-06 01:46:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2024-12-06 01:46:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:46:46,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2024-12-06 01:46:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2024-12-06 01:46:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:46:47,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:48,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 01:46:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 01:46:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:46:48,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:48,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-12-06 01:46:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-12-06 01:46:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:46:48,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:48,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2024-12-06 01:46:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2024-12-06 01:46:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:46:49,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:46:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:49,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:46:49,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-12-06 01:46:50,525 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-12-06 01:46:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:46:50,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:50,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:46:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:50,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:46:50,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:46:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:46:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:46:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:46:51,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:51,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:51,169 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:46:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:51,200 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:46:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:51,221 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2024-12-06 01:46:51,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:46:51 ImpRootNode [2024-12-06 01:46:51,249 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:46:51,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:46:51,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:46:51,249 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:46:51,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:45" (3/4) ... [2024-12-06 01:46:51,252 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:46:51,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:46:51,253 INFO L158 Benchmark]: Toolchain (without parser) took 6013.73ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 80.4MB in the end (delta: 37.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-12-06 01:46:51,254 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:51,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.01ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:51,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:51,255 INFO L158 Benchmark]: Boogie Preprocessor took 21.33ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 765.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:51,255 INFO L158 Benchmark]: RCFGBuilder took 291.96ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 86.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:46:51,255 INFO L158 Benchmark]: CodeCheck took 5410.04ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 81.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-12-06 01:46:51,256 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:46:51,257 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 4 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1391 IncrementalHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 485 mSolverCounterUnsat, 98 mSDtfsCounter, 1391 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1301 GetRequests, 1165 SyntacticMatches, 22 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6297 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 0/70 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, ConComCheckerStatistics: 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 100, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.01ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 105.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.72ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.33ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 765.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.96ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 86.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5410.04ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 81.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:46:51,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b --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 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:46:53,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:46:53,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:46:53,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:46:53,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:46:53,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:46:53,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:46:53,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:46:53,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:46:53,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:46:53,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:46:53,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:46:53,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:46:53,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:53,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:46:53,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:46:53,327 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:46:53,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:53,327 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:46:53,327 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b 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 -> 131b2ae9424ecd75292a5889f04853eea3cca0c3e4c679243c4666d6f4003ffe [2024-12-06 01:46:53,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:46:53,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:46:53,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:46:53,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:46:53,581 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:46:53,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-12-06 01:46:56,336 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/53d17c05e/ff93e31c6f154c3c946fca9c6c200815/FLAG794a631b4 [2024-12-06 01:46:56,528 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:46:56,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i [2024-12-06 01:46:56,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/53d17c05e/ff93e31c6f154c3c946fca9c6c200815/FLAG794a631b4 [2024-12-06 01:46:56,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/data/53d17c05e/ff93e31c6f154c3c946fca9c6c200815 [2024-12-06 01:46:56,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:46:56,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:46:56,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:56,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:46:56,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:46:56,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:56" (1/1) ... [2024-12-06 01:46:56,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4763c63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:56, skipping insertion in model container [2024-12-06 01:46:56,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:46:56" (1/1) ... [2024-12-06 01:46:56,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:46:57,042 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-12-06 01:46:57,067 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-12-06 01:46:57,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:57,080 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:46:57,091 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[1224,1237] [2024-12-06 01:46:57,099 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_f4bf0133-eca4-4e0e-8afd-a0893ada3919/sv-benchmarks/c/combinations/gcd_4+newton_2_8.i[2827,2840] [2024-12-06 01:46:57,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:46:57,113 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:46:57,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57 WrapperNode [2024-12-06 01:46:57,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:46:57,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:57,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:46:57,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:46:57,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,141 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-12-06 01:46:57,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:46:57,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:46:57,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:46:57,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:46:57,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:46:57,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:46:57,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:46:57,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:46:57,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:46:57" (1/1) ... [2024-12-06 01:46:57,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:46:57,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:46:57,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:46:57,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:46:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:46:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:46:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:46:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:46:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:46:57,275 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:46:57,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:47:19,987 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 01:47:19,988 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:47:20,051 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:47:20,052 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:47:20,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:47:20 BoogieIcfgContainer [2024-12-06 01:47:20,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:47:20,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:47:20,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:47:20,062 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:47:20,062 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:47:20" (1/1) ... [2024-12-06 01:47:20,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:47:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-12-06 01:47:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-12-06 01:47:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:47:20,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:20,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:20,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:20,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:20,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:47:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:20,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:20,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:47:20,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:20,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:47:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-12-06 01:47:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-12-06 01:47:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:47:20,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:20,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:20,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:20,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:20,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:47:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:20,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:20,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:47:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:20,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:47:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-12-06 01:47:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-12-06 01:47:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:47:21,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:21,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:21,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:21,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:21,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:47:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:21,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:21,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:47:21,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:21,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:47:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-12-06 01:47:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-06 01:47:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:47:21,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:21,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:21,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:47:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:22,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:22,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:47:22,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:22,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:47:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2024-12-06 01:47:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-12-06 01:47:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:47:22,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:22,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:22,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:22,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:22,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:47:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:23,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:23,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:47:23,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:23,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:23,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:47:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-12-06 01:47:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-06 01:47:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:47:24,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:24,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:24,051 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:24,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:47:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:24,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:24,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:47:24,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:24,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:47:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-12-06 01:47:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-12-06 01:47:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:47:25,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:25,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:25,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:25,992 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:25,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:47:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:26,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:26,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:47:26,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:28,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:47:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 45 transitions. [2024-12-06 01:47:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-12-06 01:47:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:47:35,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:35,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:35,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:35,864 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:35,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4bf0133-eca4-4e0e-8afd-a0893ada3919/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process