./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c --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_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:31:16,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:31:16,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:31:16,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:31:16,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:31:16,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:31:16,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:31:16,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:31:16,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:31:16,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:31:16,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:31:16,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:31:16,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:31:16,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:31:16,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:31:16,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:31:16,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:31:16,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:31:16,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:31:16,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:31:16,721 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:31:16,721 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:31:16,722 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_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco 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 -> GemCutter 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 -> 362ca5c35cce683744d8d619a442f154ce469608d45ae43ff282ddf886694959 [2024-11-27 06:31:17,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:31:17,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:31:17,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:31:17,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:31:17,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:31:17,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-27 06:31:20,016 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/data/26287f112/5bf3a78b25474f29a714794276078133/FLAG73598a5ca [2024-11-27 06:31:20,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:31:20,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c [2024-11-27 06:31:20,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/data/26287f112/5bf3a78b25474f29a714794276078133/FLAG73598a5ca [2024-11-27 06:31:20,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/data/26287f112/5bf3a78b25474f29a714794276078133 [2024-11-27 06:31:20,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:31:20,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:31:20,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:31:20,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:31:20,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:31:20,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3396942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20, skipping insertion in model container [2024-11-27 06:31:20,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:31:20,850 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_fd836b6b-6a99-4a9a-b647-485334decf57/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c[4827,4840] [2024-11-27 06:31:20,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:31:20,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:31:20,910 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_fd836b6b-6a99-4a9a-b647-485334decf57/sv-benchmarks/c/weaver/chl-name-comparator-trans.wvr.c[4827,4840] [2024-11-27 06:31:20,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:31:20,934 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:31:20,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20 WrapperNode [2024-11-27 06:31:20,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:31:20,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:31:20,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:31:20,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:31:20,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,981 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 300 [2024-11-27 06:31:20,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:31:20,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:31:20,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:31:20,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:31:20,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:20,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:31:21,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:31:21,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:31:21,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:31:21,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (1/1) ... [2024-11-27 06:31:21,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:31:21,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:21,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:31:21,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:31:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:31:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:31:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:31:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:31:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:31:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:31:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:31:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:31:21,094 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:31:21,258 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:31:21,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:31:21,830 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:31:21,830 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:31:22,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:31:22,403 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 06:31:22,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:31:22 BoogieIcfgContainer [2024-11-27 06:31:22,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:31:22,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:31:22,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:31:22,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:31:22,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:31:20" (1/3) ... [2024-11-27 06:31:22,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53968817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:31:22, skipping insertion in model container [2024-11-27 06:31:22,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:31:20" (2/3) ... [2024-11-27 06:31:22,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53968817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:31:22, skipping insertion in model container [2024-11-27 06:31:22,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:31:22" (3/3) ... [2024-11-27 06:31:22,417 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-trans.wvr.c [2024-11-27 06:31:22,435 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:31:22,438 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-name-comparator-trans.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-27 06:31:22,438 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:31:22,529 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:31:22,592 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:31:22,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:31:22,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:22,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:31:22,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:31:22,706 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:31:22,726 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:31:22,739 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a52c026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:31:22,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 06:31:23,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:23,410 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:23,410 INFO L139 ounterexampleChecker]: Examining path program with hash 1079467570, occurence #1 [2024-11-27 06:31:23,411 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:23,411 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:23,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:23,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1123278447, now seen corresponding path program 1 times [2024-11-27 06:31:23,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:23,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258485539] [2024-11-27 06:31:23,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:23,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:23,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:23,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258485539] [2024-11-27 06:31:23,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258485539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:23,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:23,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:31:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557141039] [2024-11-27 06:31:23,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:23,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 06:31:23,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:23,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 06:31:23,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 06:31:23,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:23,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:23,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:23,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:31:23,773 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:23,773 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:23,773 INFO L139 ounterexampleChecker]: Examining path program with hash 1659141860, occurence #1 [2024-11-27 06:31:23,773 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:23,774 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash 626327062, now seen corresponding path program 1 times [2024-11-27 06:31:23,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:23,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694436157] [2024-11-27 06:31:23,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:24,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:24,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694436157] [2024-11-27 06:31:24,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694436157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:24,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:24,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:31:24,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542034971] [2024-11-27 06:31:24,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:24,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:31:24,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:24,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:31:24,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:31:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,135 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:24,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:24,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:24,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:31:24,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:24,236 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:24,236 INFO L139 ounterexampleChecker]: Examining path program with hash 1659141860, occurence #2 [2024-11-27 06:31:24,237 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:24,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:24,238 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:24,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:31:24,308 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:24,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:31:24,308 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:24,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:31:24,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:24,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:31:24,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:24,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:31:24,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:24,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:31:24,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:24,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:31:24,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:24,309 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:24,309 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:24,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 56436807, now seen corresponding path program 1 times [2024-11-27 06:31:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965071041] [2024-11-27 06:31:24,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:24,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:24,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965071041] [2024-11-27 06:31:24,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965071041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:24,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701761892] [2024-11-27 06:31:24,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:24,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:24,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:24,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:24,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:31:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:24,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 06:31:24,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:24,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:31:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:24,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701761892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:31:24,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:31:24,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 06:31:24,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402311502] [2024-11-27 06:31:24,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:31:24,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:31:24,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:24,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:31:24,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:31:24,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,842 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:24,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:24,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:31:25,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:25,162 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:25,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:25,162 INFO L139 ounterexampleChecker]: Examining path program with hash 1659141860, occurence #3 [2024-11-27 06:31:25,162 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:25,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:25,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:31:25,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:31:25,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:31:25,163 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:31:25,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:31:25,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:25,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:31:25,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:25,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:31:25,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:25,164 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:25,164 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:25,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1660986919, now seen corresponding path program 2 times [2024-11-27 06:31:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:25,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018915839] [2024-11-27 06:31:25,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:31:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:25,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:31:25,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:25,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:25,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018915839] [2024-11-27 06:31:25,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018915839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:25,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:25,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:31:25,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334649154] [2024-11-27 06:31:25,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:25,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:31:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:25,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:31:25,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:31:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:25,743 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:25,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:25,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:25,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:25,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:25,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 06:31:25,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:25,910 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:25,910 INFO L139 ounterexampleChecker]: Examining path program with hash -2107081262, occurence #1 [2024-11-27 06:31:25,910 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:25,910 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:25,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:25,911 INFO L85 PathProgramCache]: Analyzing trace with hash 774902738, now seen corresponding path program 1 times [2024-11-27 06:31:25,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:25,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780677796] [2024-11-27 06:31:25,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:25,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:26,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780677796] [2024-11-27 06:31:26,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780677796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:26,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:26,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:31:26,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979844720] [2024-11-27 06:31:26,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:26,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:31:26,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:26,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:31:26,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:31:26,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:26,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:26,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:26,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:26,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 06:31:26,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:26,539 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:26,539 INFO L139 ounterexampleChecker]: Examining path program with hash -645674050, occurence #1 [2024-11-27 06:31:26,539 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:26,539 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:26,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:26,540 INFO L85 PathProgramCache]: Analyzing trace with hash -598957061, now seen corresponding path program 1 times [2024-11-27 06:31:26,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:26,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315964778] [2024-11-27 06:31:26,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:31:26,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:27,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:27,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315964778] [2024-11-27 06:31:27,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315964778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:27,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:27,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 06:31:27,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184567108] [2024-11-27 06:31:27,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:27,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 06:31:27,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:27,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 06:31:27,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-27 06:31:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:27,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:27,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:27,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:28,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:28,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:28,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 06:31:28,366 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:28,366 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:28,367 INFO L139 ounterexampleChecker]: Examining path program with hash -645674050, occurence #2 [2024-11-27 06:31:28,367 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:28,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:28,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:28,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:31:28,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:28,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:31:28,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:28,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:31:28,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:28,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:31:28,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:28,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:31:28,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:28,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:31:28,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:28,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:31:28,368 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:28,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:31:28,368 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:28,368 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:28,368 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:28,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:28,369 INFO L85 PathProgramCache]: Analyzing trace with hash 339059672, now seen corresponding path program 2 times [2024-11-27 06:31:28,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:28,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358117584] [2024-11-27 06:31:28,369 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:31:28,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:28,483 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:31:28,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:29,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:29,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358117584] [2024-11-27 06:31:29,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358117584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:29,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234258102] [2024-11-27 06:31:29,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:31:29,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:29,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:29,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:31:29,744 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:31:29,744 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:29,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 06:31:29,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:30,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 80 [2024-11-27 06:31:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:31,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:31:31,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234258102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:31,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:31:31,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 16 [2024-11-27 06:31:31,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318093561] [2024-11-27 06:31:31,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:31,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 06:31:31,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:31,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 06:31:31,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-27 06:31:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:31,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:31,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:31,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:31,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 06:31:32,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:32,031 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:32,031 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:32,032 INFO L139 ounterexampleChecker]: Examining path program with hash 2091334949, occurence #1 [2024-11-27 06:31:32,032 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:32,032 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:32,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1224935002, now seen corresponding path program 3 times [2024-11-27 06:31:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791655480] [2024-11-27 06:31:32,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:31:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:32,083 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 06:31:32,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:32,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:32,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791655480] [2024-11-27 06:31:32,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791655480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:31:32,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:31:32,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 06:31:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432454119] [2024-11-27 06:31:32,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:31:32,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 06:31:32,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:32,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 06:31:32,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-27 06:31:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:32,778 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:32,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:32,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:32,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:33,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 06:31:33,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:33,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:33,257 INFO L139 ounterexampleChecker]: Examining path program with hash -1019719119, occurence #1 [2024-11-27 06:31:33,257 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:31:33,257 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:33,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:33,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1375762613, now seen corresponding path program 4 times [2024-11-27 06:31:33,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:33,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636137049] [2024-11-27 06:31:33,257 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:31:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:33,305 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:31:33,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:31:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636137049] [2024-11-27 06:31:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636137049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440829394] [2024-11-27 06:31:34,632 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:31:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:34,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:34,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:31:34,783 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:31:34,783 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:34,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 06:31:34,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:35,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 96 [2024-11-27 06:31:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:35,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:31:36,757 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:31:36,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 61 [2024-11-27 06:31:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:37,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440829394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:31:37,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:31:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 27 [2024-11-27 06:31:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258543181] [2024-11-27 06:31:37,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:31:37,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-27 06:31:37,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:37,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 06:31:37,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2024-11-27 06:31:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:37,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:37,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.4814814814814814) internal successors, (94), 27 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:37,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:31:39,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:31:39,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:39,850 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:39,850 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:39,851 INFO L139 ounterexampleChecker]: Examining path program with hash -1019719119, occurence #2 [2024-11-27 06:31:39,851 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:39,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:31:39,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:31:39,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:31:39,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:31:39,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:31:39,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:31:39,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:31:39,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:39,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:31:39,852 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:39,852 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:39,852 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:39,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash -330878446, now seen corresponding path program 5 times [2024-11-27 06:31:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754643033] [2024-11-27 06:31:39,852 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:31:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:39,925 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:31:39,925 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:31:41,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:41,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754643033] [2024-11-27 06:31:41,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754643033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:41,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652647403] [2024-11-27 06:31:41,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:31:41,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:41,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:41,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:31:41,806 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:31:41,806 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:41,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 06:31:41,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:42,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 80 [2024-11-27 06:31:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:42,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:31:42,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:31:42,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 78 [2024-11-27 06:31:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:43,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652647403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:31:43,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:31:43,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 12] total 34 [2024-11-27 06:31:43,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064640364] [2024-11-27 06:31:43,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:31:43,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-27 06:31:43,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:43,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-27 06:31:43,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1008, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 06:31:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:43,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:43,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.823529411764706) internal successors, (96), 34 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:31:43,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:46,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:31:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:31:46,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:31:46,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:46,901 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:46,901 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:46,901 INFO L139 ounterexampleChecker]: Examining path program with hash 2091334949, occurence #2 [2024-11-27 06:31:46,901 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:46,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:46,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:31:46,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:31:46,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:31:46,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:31:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:31:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:31:46,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:46,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:31:46,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:46,902 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:46,902 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:46,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:46,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1894873120, now seen corresponding path program 6 times [2024-11-27 06:31:46,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:46,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312628535] [2024-11-27 06:31:46,903 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:31:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:47,009 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-27 06:31:47,009 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:31:47,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:47,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312628535] [2024-11-27 06:31:47,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312628535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:47,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246837747] [2024-11-27 06:31:47,947 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:31:47,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:47,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:47,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:47,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:31:48,093 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-27 06:31:48,093 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:31:48,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 06:31:48,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:48,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 76 [2024-11-27 06:31:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:48,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:31:48,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:31:48,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 20 [2024-11-27 06:31:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:49,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246837747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:31:49,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:31:49,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 10] total 28 [2024-11-27 06:31:49,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612006171] [2024-11-27 06:31:49,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:31:49,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 06:31:49,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:49,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 06:31:49,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2024-11-27 06:31:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:49,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:49,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.357142857142857) internal successors, (94), 28 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:49,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:31:49,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:31:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:31:51,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:31:51,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 06:31:51,446 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:31:51,446 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:31:51,446 INFO L139 ounterexampleChecker]: Examining path program with hash -1019719119, occurence #3 [2024-11-27 06:31:51,446 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:31:51,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:31:51,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:51,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:31:51,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:51,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:31:51,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:51,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:31:51,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:51,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:31:51,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:51,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:31:51,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:51,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:31:51,447 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:31:51,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:31:51,447 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:31:51,447 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:31:51,447 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:31:51,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:31:51,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1810325615, now seen corresponding path program 7 times [2024-11-27 06:31:51,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:31:51,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553106126] [2024-11-27 06:31:51,448 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:31:51,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:31:53,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:31:53,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553106126] [2024-11-27 06:31:53,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553106126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:31:53,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039479095] [2024-11-27 06:31:53,232 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:31:53,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:31:53,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:31:53,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:31:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:31:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:31:53,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 06:31:53,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:31:54,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 97 [2024-11-27 06:31:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:54,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:31:55,597 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:31:55,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 91 [2024-11-27 06:31:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:31:56,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039479095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:31:56,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:31:56,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 14] total 43 [2024-11-27 06:31:56,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496948478] [2024-11-27 06:31:56,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:31:56,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-27 06:31:56,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:31:56,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-27 06:31:56,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1626, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 06:31:56,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:56,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:31:56,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:31:56,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:31:56,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:31:56,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:31:56,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:56,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:31:56,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-27 06:32:01,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:32:01,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 06:32:01,807 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:01,807 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:01,808 INFO L139 ounterexampleChecker]: Examining path program with hash -1019719119, occurence #4 [2024-11-27 06:32:01,808 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:32:01,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:32:01,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:32:01,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:32:01,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:32:01,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:32:01,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:32:01,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:32:01,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-27 06:32:01,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:01,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-27 06:32:01,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:01,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:32:01,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:01,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:01,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2011331863, now seen corresponding path program 8 times [2024-11-27 06:32:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:01,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470666448] [2024-11-27 06:32:01,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:32:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:01,858 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:32:01,858 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:01,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:01,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470666448] [2024-11-27 06:32:01,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470666448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:32:01,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:32:01,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:32:01,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058278743] [2024-11-27 06:32:01,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:32:01,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:32:01,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:01,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:32:01,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:32:01,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:01,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:01,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-27 06:32:01,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:02,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-27 06:32:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:02,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 06:32:02,530 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:02,530 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:02,530 INFO L139 ounterexampleChecker]: Examining path program with hash 2091334949, occurence #3 [2024-11-27 06:32:02,531 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:32:02,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:32:02,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:02,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:32:02,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:02,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:32:02,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:02,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:32:02,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:02,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:32:02,532 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:02,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:32:02,532 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:02,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:32:02,532 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:02,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:32:02,532 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:02,532 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:32:02,532 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:02,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash -891655910, now seen corresponding path program 9 times [2024-11-27 06:32:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:02,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487846843] [2024-11-27 06:32:02,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:32:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:02,621 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:32:02,621 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:02,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487846843] [2024-11-27 06:32:02,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487846843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:32:02,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:32:02,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 06:32:02,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260323186] [2024-11-27 06:32:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:32:02,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:32:02,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:02,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:32:02,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:32:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:02,725 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:02,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:02,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:02,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:03,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:03,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:03,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-27 06:32:03,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:03,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:03,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 06:32:03,268 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:03,268 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:03,268 INFO L139 ounterexampleChecker]: Examining path program with hash 1699556539, occurence #1 [2024-11-27 06:32:03,268 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:32:03,268 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:03,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1764716849, now seen corresponding path program 1 times [2024-11-27 06:32:03,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:03,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860550619] [2024-11-27 06:32:03,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:32:03,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:32:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:03,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860550619] [2024-11-27 06:32:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860550619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704108867] [2024-11-27 06:32:03,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:32:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:03,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:03,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:03,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:32:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:32:03,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:32:03,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:04,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 108 [2024-11-27 06:32:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:04,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:32:05,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:32:05,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 20 [2024-11-27 06:32:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:05,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704108867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:32:05,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:32:05,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-11-27 06:32:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644117673] [2024-11-27 06:32:05,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:32:05,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 06:32:05,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:05,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 06:32:05,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2024-11-27 06:32:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:05,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:05,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:05,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:05,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:05,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-27 06:32:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:06,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:32:06,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 06:32:06,688 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:06,689 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:06,689 INFO L139 ounterexampleChecker]: Examining path program with hash -474330083, occurence #1 [2024-11-27 06:32:06,689 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:32:06,689 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:06,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 126792566, now seen corresponding path program 2 times [2024-11-27 06:32:06,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:06,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662422308] [2024-11-27 06:32:06,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:32:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:06,729 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:32:06,729 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:32:07,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:07,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662422308] [2024-11-27 06:32:07,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662422308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:07,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063804293] [2024-11-27 06:32:07,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:32:07,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:07,696 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:32:07,859 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:32:07,859 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:07,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:32:07,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:08,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 73 [2024-11-27 06:32:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:08,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:32:08,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:32:08,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 75 [2024-11-27 06:32:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:09,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063804293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:32:09,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:32:09,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 9] total 28 [2024-11-27 06:32:09,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524425670] [2024-11-27 06:32:09,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:32:09,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 06:32:09,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:09,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 06:32:09,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2024-11-27 06:32:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:09,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:09,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:09,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:09,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:09,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-11-27 06:32:09,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:09,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:09,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:09,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:32:13,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:32:13,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:13,438 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:13,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:13,438 INFO L139 ounterexampleChecker]: Examining path program with hash 1699556539, occurence #2 [2024-11-27 06:32:13,438 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:32:13,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:32:13,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:13,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:32:13,438 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:13,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:32:13,438 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:13,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:32:13,438 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:32:13,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:32:13,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:32:13,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:13,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-27 06:32:13,439 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:13,439 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:32:13,439 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:13,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:13,439 INFO L85 PathProgramCache]: Analyzing trace with hash -876982504, now seen corresponding path program 3 times [2024-11-27 06:32:13,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:13,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67131197] [2024-11-27 06:32:13,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:32:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:13,495 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:32:13,495 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:14,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:14,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67131197] [2024-11-27 06:32:14,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67131197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:14,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195099266] [2024-11-27 06:32:14,301 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:32:14,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:14,303 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:14,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:32:14,469 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:32:14,469 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:14,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 06:32:14,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:14,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 103 [2024-11-27 06:32:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:32:15,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:32:16,181 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:32:16,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 75 [2024-11-27 06:32:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:16,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195099266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:32:16,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:32:16,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 10] total 29 [2024-11-27 06:32:16,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946692203] [2024-11-27 06:32:16,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:32:16,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 06:32:16,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:16,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 06:32:16,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2024-11-27 06:32:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:16,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:16,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.9655172413793105) internal successors, (115), 29 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:16,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:16,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:16,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:16,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:32:16,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:32:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:19,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 06:32:19,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 06:32:19,347 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:19,348 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:19,348 INFO L139 ounterexampleChecker]: Examining path program with hash -474330083, occurence #2 [2024-11-27 06:32:19,348 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:32:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:32:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:32:19,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:32:19,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:32:19,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:32:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:32:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-27 06:32:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-27 06:32:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-27 06:32:19,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:19,349 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:32:19,349 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:19,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1083347070, now seen corresponding path program 4 times [2024-11-27 06:32:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:19,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553717506] [2024-11-27 06:32:19,350 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:32:19,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:19,372 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:32:19,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:19,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:19,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553717506] [2024-11-27 06:32:19,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553717506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:19,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122663494] [2024-11-27 06:32:19,473 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:32:19,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:19,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:19,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:19,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:32:19,639 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:32:19,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:19,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 06:32:19,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:19,687 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:32:19,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122663494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:32:19,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:32:19,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2024-11-27 06:32:19,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847383695] [2024-11-27 06:32:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:32:19,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:32:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:19,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:32:19,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:32:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:19,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:19,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:19,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:19,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:32:20,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 06:32:20,176 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:20,176 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:20,176 INFO L139 ounterexampleChecker]: Examining path program with hash -645674050, occurence #3 [2024-11-27 06:32:20,176 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:32:20,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:32:20,177 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:32:20,177 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:32:20,177 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:32:20,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:32:20,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-27 06:32:20,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:32:20,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-27 06:32:20,177 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:32:20,177 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:32:20,177 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:20,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:20,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1071201587, now seen corresponding path program 5 times [2024-11-27 06:32:20,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:20,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201101942] [2024-11-27 06:32:20,178 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:32:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:20,229 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:32:20,229 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:32:21,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:21,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201101942] [2024-11-27 06:32:21,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201101942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:21,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451113772] [2024-11-27 06:32:21,129 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:32:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:21,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:21,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:32:21,315 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-27 06:32:21,315 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:21,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:32:21,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:21,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 78 [2024-11-27 06:32:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:21,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:32:22,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:32:22,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 20 [2024-11-27 06:32:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:22,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451113772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:32:22,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:32:22,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 32 [2024-11-27 06:32:22,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730681104] [2024-11-27 06:32:22,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:32:22,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-27 06:32:22,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:22,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 06:32:22,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2024-11-27 06:32:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:22,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:22,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.3125) internal successors, (106), 32 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:22,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:22,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-27 06:32:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-27 06:32:29,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 06:32:29,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:29,308 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:32:29,308 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:32:29,309 INFO L139 ounterexampleChecker]: Examining path program with hash 839415024, occurence #1 [2024-11-27 06:32:29,309 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:32:29,309 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:32:29,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:32:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash -161648190, now seen corresponding path program 6 times [2024-11-27 06:32:29,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:32:29,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974513206] [2024-11-27 06:32:29,309 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:32:29,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:32:29,380 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-27 06:32:29,380 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:32:32,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:32,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974513206] [2024-11-27 06:32:32,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974513206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:32,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612590772] [2024-11-27 06:32:32,250 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:32:32,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:32,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:32,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:32,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:32:32,420 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-27 06:32:32,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:32,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-27 06:32:32,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:32:32,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-27 06:32:33,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 152 [2024-11-27 06:32:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:32:35,833 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:32:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:32:41,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612590772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:32:41,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:32:41,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 18] total 58 [2024-11-27 06:32:41,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206821790] [2024-11-27 06:32:41,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:32:41,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-11-27 06:32:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:32:41,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-11-27 06:32:41,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=3033, Unknown=0, NotChecked=0, Total=3306 [2024-11-27 06:32:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:41,609 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:32:41,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.2758620689655173) internal successors, (132), 58 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-27 06:32:41,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-27 06:32:41,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:33:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-11-27 06:33:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-27 06:33:15,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-27 06:33:15,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-27 06:33:15,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-27 06:33:15,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-27 06:33:15,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 06:33:15,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:33:15,466 INFO L422 BasicCegarLoop]: Path program histogram: [9, 6, 2, 1, 1, 1] [2024-11-27 06:33:15,473 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 06:33:15,473 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 06:33:15,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-27 06:33:15,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:33:15 BasicIcfg [2024-11-27 06:33:15,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 06:33:15,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 06:33:15,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 06:33:15,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 06:33:15,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:31:22" (3/4) ... [2024-11-27 06:33:15,509 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 06:33:15,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 06:33:15,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 06:33:15,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 06:33:15,530 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2024-11-27 06:33:15,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-27 06:33:15,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 06:33:15,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 06:33:15,666 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml [2024-11-27 06:33:15,666 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/witness.yml [2024-11-27 06:33:15,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 06:33:15,668 INFO L158 Benchmark]: Toolchain (without parser) took 115088.04ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 92.3MB in the beginning and 94.2MB in the end (delta: -1.9MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. [2024-11-27 06:33:15,668 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:33:15,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 06:33:15,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.66ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:33:15,670 INFO L158 Benchmark]: Boogie Preprocessor took 43.93ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:33:15,671 INFO L158 Benchmark]: RCFGBuilder took 1377.19ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 85.0MB in the end (delta: -10.4MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2024-11-27 06:33:15,671 INFO L158 Benchmark]: TraceAbstraction took 113094.95ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 84.3MB in the beginning and 101.2MB in the end (delta: -17.0MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2024-11-27 06:33:15,672 INFO L158 Benchmark]: Witness Printer took 165.07ms. Allocated memory is still 318.8MB. Free memory was 97.7MB in the beginning and 94.2MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:33:15,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.38ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 78.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.66ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.93ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1377.19ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 85.0MB in the end (delta: -10.4MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. * TraceAbstraction took 113094.95ms. Allocated memory was 117.4MB in the beginning and 318.8MB in the end (delta: 201.3MB). Free memory was 84.3MB in the beginning and 101.2MB in the end (delta: -17.0MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * Witness Printer took 165.07ms. Allocated memory is still 318.8MB. Free memory was 97.7MB in the beginning and 94.2MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17801, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5192, dependent conditional: 5187, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 0, independent unconditional: 12609, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 0, independent unconditional: 12609, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 634, independent conditional: 0, independent unconditional: 634, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, independent: 313, independent conditional: 0, independent unconditional: 313, dependent: 331, dependent conditional: 0, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 12614, independent: 11975, independent conditional: 0, independent unconditional: 11975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 634, Positive conditional cache size: 0, Positive unconditional cache size: 634, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11855, Maximal queried relation: 0, Independence queries for same thread: 5187, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 280, Number of trivial persistent sets: 220, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 759, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17801, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5192, dependent conditional: 5187, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 11855, independent unconditional: 754, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 0, independent unconditional: 12609, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12614, independent: 12609, independent conditional: 0, independent unconditional: 12609, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 639, independent: 634, independent conditional: 0, independent unconditional: 634, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 639, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, independent: 313, independent conditional: 0, independent unconditional: 313, dependent: 331, dependent conditional: 0, dependent unconditional: 331, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 12614, independent: 11975, independent conditional: 0, independent unconditional: 11975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 639, unknown conditional: 0, unknown unconditional: 639] , Statistics on independence cache: Total cache size (in pairs): 639, Positive cache size: 634, Positive conditional cache size: 0, Positive unconditional cache size: 634, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11855, Maximal queried relation: 0, Independence queries for same thread: 5187 - PositiveResult [Line: 142]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 112.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 65.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 545, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 41.6s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1179 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1527 ConstructedInterpolants, 14 QuantifiedInterpolants, 27392 SizeOfPredicates, 339 NumberOfNonLiveVariables, 3493 ConjunctsInSsa, 337 ConjunctsInUnsatCore, 42 InterpolantComputations, 10 PerfectInterpolantSequences, 241/511 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 71, ConditionCalculationTime [ms]: 0, ConditionCalculations: 49, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 06:33:15,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd836b6b-6a99-4a9a-b647-485334decf57/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE