./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.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_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/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_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/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_3b6d862d-4087-4f00-9fc7-f22471c7ee78/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 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:16:08,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:16:08,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:16:08,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:16:08,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:16:08,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:16:08,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:16:08,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:16:08,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:16:08,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:16:08,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:16:08,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:16:08,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:16:08,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:16:08,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:16:08,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:16:08,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:16:08,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:16:08,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:16:08,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:16:08,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:16:08,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:16:08,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:16:08,674 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:16:08,674 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:16:08,674 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_3b6d862d-4087-4f00-9fc7-f22471c7ee78/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 -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 [2024-11-27 06:16:09,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:16:09,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:16:09,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:16:09,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:16:09,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:16:09,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2024-11-27 06:16:12,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/data/228c00a8c/00d55c18cc324f25b1874e5186f73864/FLAGffa589907 [2024-11-27 06:16:12,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:16:12,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2024-11-27 06:16:12,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/data/228c00a8c/00d55c18cc324f25b1874e5186f73864/FLAGffa589907 [2024-11-27 06:16:12,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/data/228c00a8c/00d55c18cc324f25b1874e5186f73864 [2024-11-27 06:16:12,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:16:12,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:16:12,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:16:12,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:16:12,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:16:12,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:16:12" (1/1) ... [2024-11-27 06:16:12,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce9f962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:12, skipping insertion in model container [2024-11-27 06:16:12,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:16:12" (1/1) ... [2024-11-27 06:16:12,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:16:13,127 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_3b6d862d-4087-4f00-9fc7-f22471c7ee78/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-11-27 06:16:13,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:16:13,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:16:13,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-11-27 06:16:13,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:16:13,245 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:16:13,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13 WrapperNode [2024-11-27 06:16:13,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:16:13,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:16:13,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:16:13,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:16:13,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,320 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 247 [2024-11-27 06:16:13,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:16:13,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:16:13,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:16:13,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:16:13,335 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:16:13,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:16:13,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:16:13,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:16:13,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (1/1) ... [2024-11-27 06:16:13,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:16:13,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:13,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:16:13,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:16:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:16:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:16:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:16:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:16:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:16:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:16:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:16:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:16:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:16:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-27 06:16:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-27 06:16:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:16:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:16:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:16:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:16:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:16:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:16:13,468 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 06:16:13,631 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:16:13,634 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:16:14,107 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:16:14,107 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:16:14,482 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:16:14,482 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 06:16:14,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:16:14 BoogieIcfgContainer [2024-11-27 06:16:14,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:16:14,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:16:14,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:16:14,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:16:14,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:16:12" (1/3) ... [2024-11-27 06:16:14,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70195194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:16:14, skipping insertion in model container [2024-11-27 06:16:14,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:16:13" (2/3) ... [2024-11-27 06:16:14,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70195194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:16:14, skipping insertion in model container [2024-11-27 06:16:14,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:16:14" (3/3) ... [2024-11-27 06:16:14,495 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2024-11-27 06:16:14,514 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:16:14,516 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-equiv.wvr.c that has 5 procedures, 48 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-27 06:16:14,516 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:16:14,616 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2024-11-27 06:16:14,683 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:16:14,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:16:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:14,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:16:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:16:14,793 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:16:14,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:16:14,819 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;@37732970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:16:14,820 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 06:16:15,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:15,420 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:15,420 INFO L139 ounterexampleChecker]: Examining path program with hash 805393428, occurence #1 [2024-11-27 06:16:15,420 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:15,421 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:15,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:15,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1293021302, now seen corresponding path program 1 times [2024-11-27 06:16:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885919521] [2024-11-27 06:16:15,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:15,692 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 06:16:15,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:15,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885919521] [2024-11-27 06:16:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885919521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:16:15,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:16:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:16:15,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359978844] [2024-11-27 06:16:15,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:16:15,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 06:16:15,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:15,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 06:16:15,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 06:16:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:15,726 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:15,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 06:16:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:16,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:16:16,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:16,249 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:16,249 INFO L139 ounterexampleChecker]: Examining path program with hash -1358512682, occurence #1 [2024-11-27 06:16:16,249 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:16,249 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:16,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:16,250 INFO L85 PathProgramCache]: Analyzing trace with hash -282194083, now seen corresponding path program 1 times [2024-11-27 06:16:16,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:16,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464178552] [2024-11-27 06:16:16,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:16,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:16,796 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 06:16:16,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:16,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464178552] [2024-11-27 06:16:16,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464178552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:16:16,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:16:16,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:16:16,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025212837] [2024-11-27 06:16:16,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:16:16,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:16:16,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:16,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:16:16,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:16:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:16,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:16,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 06:16:16,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:16,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:17,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:16:17,085 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:17,085 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:17,085 INFO L139 ounterexampleChecker]: Examining path program with hash -571161478, occurence #1 [2024-11-27 06:16:17,085 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:17,086 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:17,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:17,086 INFO L85 PathProgramCache]: Analyzing trace with hash 599045588, now seen corresponding path program 1 times [2024-11-27 06:16:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:17,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246723626] [2024-11-27 06:16:17,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:16:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:17,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246723626] [2024-11-27 06:16:17,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246723626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:16:17,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:16:17,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:16:17,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446014711] [2024-11-27 06:16:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:16:17,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:16:17,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:17,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:16:17,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:16:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,501 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:17,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 06:16:17,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:17,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:17,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:16:17,675 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:17,675 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:17,675 INFO L139 ounterexampleChecker]: Examining path program with hash -571161478, occurence #2 [2024-11-27 06:16:17,675 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:17,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:17,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:16:17,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:17,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:16:17,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:16:17,714 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:16:17,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-27 06:16:17,715 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-27 06:16:17,715 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-27 06:16:17,715 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:16:17,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:16:17,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:17,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:16:17,715 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:17,715 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:17,715 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:17,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2024186317, now seen corresponding path program 1 times [2024-11-27 06:16:17,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575219323] [2024-11-27 06:16:17,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:17,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:16:18,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:18,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575219323] [2024-11-27 06:16:18,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575219323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:18,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781530063] [2024-11-27 06:16:18,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:18,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:18,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:18,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:16:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:18,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 06:16:18,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:16:18,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:16:18,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781530063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:18,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:18,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-27 06:16:18,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190729614] [2024-11-27 06:16:18,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:18,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 06:16:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:18,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 06:16:18,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-27 06:16:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:18,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:18,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 06:16:18,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:18,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:18,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:18,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:18,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:18,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 06:16:19,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:19,112 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:19,112 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:19,112 INFO L139 ounterexampleChecker]: Examining path program with hash -571161478, occurence #3 [2024-11-27 06:16:19,116 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:19,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:19,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:16:19,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:19,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:16:19,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:16:19,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:16:19,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-27 06:16:19,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:16:19,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-27 06:16:19,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-27 06:16:19,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-27 06:16:19,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:19,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:16:19,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:19,118 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:19,118 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:19,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1041091340, now seen corresponding path program 2 times [2024-11-27 06:16:19,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:19,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414646919] [2024-11-27 06:16:19,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:16:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:19,172 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:16:19,172 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:19,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:19,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414646919] [2024-11-27 06:16:19,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414646919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:19,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727523544] [2024-11-27 06:16:19,609 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:16:19,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:19,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:19,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:19,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:16:19,793 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:16:19,793 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:19,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:16:19,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:16:20,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:16:20,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727523544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:20,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:20,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 19 [2024-11-27 06:16:20,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248893434] [2024-11-27 06:16:20,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:20,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 06:16:20,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:20,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 06:16:20,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-27 06:16:20,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:20,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:20,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 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 06:16:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:20,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:16:20,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:20,785 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:20,785 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:20,787 INFO L139 ounterexampleChecker]: Examining path program with hash -571161478, occurence #4 [2024-11-27 06:16:20,787 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:16:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:16:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:16:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:16:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-27 06:16:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-27 06:16:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:16:20,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-27 06:16:20,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:20,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:16:20,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:20,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-27 06:16:20,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:20,789 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:20,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:20,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1575418195, now seen corresponding path program 3 times [2024-11-27 06:16:20,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:20,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868324207] [2024-11-27 06:16:20,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:16:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:20,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 06:16:20,888 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:21,251 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 06:16:21,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868324207] [2024-11-27 06:16:21,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868324207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789635668] [2024-11-27 06:16:21,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:16:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:21,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:21,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:16:21,420 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 06:16:21,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:21,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:16:21,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:21,713 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 06:16:21,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:16:21,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789635668] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:21,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:16:21,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 10] total 24 [2024-11-27 06:16:21,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883437195] [2024-11-27 06:16:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:16:21,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:16:21,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:21,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:16:21,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-27 06:16:21,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:21,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:21,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:22,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 06:16:22,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 06:16:22,583 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:22,583 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:22,584 INFO L139 ounterexampleChecker]: Examining path program with hash -2057332419, occurence #1 [2024-11-27 06:16:22,584 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:22,584 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:22,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:22,584 INFO L85 PathProgramCache]: Analyzing trace with hash -581033457, now seen corresponding path program 4 times [2024-11-27 06:16:22,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:22,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360710166] [2024-11-27 06:16:22,585 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:16:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:22,610 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:16:22,610 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:16:22,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360710166] [2024-11-27 06:16:22,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360710166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:16:22,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:16:22,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 06:16:22,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728492319] [2024-11-27 06:16:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:16:22,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:16:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:22,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:16:22,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:16:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:22,841 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:22,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:22,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:22,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:22,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:22,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:22,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:23,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 06:16:23,760 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:23,761 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:23,761 INFO L139 ounterexampleChecker]: Examining path program with hash 122564220, occurence #1 [2024-11-27 06:16:23,761 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:23,761 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:23,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:23,762 INFO L85 PathProgramCache]: Analyzing trace with hash 173171806, now seen corresponding path program 5 times [2024-11-27 06:16:23,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:23,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548008438] [2024-11-27 06:16:23,762 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:16:23,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:23,841 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-27 06:16:23,841 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:24,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:24,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548008438] [2024-11-27 06:16:24,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548008438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:24,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880713490] [2024-11-27 06:16:24,302 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:16:24,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:24,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:24,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:24,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:16:24,541 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-27 06:16:24,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:24,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 06:16:24,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:24,900 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:25,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880713490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:25,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:25,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2024-11-27 06:16:25,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292897520] [2024-11-27 06:16:25,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:25,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-27 06:16:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:25,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-27 06:16:25,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2024-11-27 06:16:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:25,140 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:25,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.730769230769231) internal successors, (149), 25 states have internal predecessors, (149), 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 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:25,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:25,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 06:16:25,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:25,807 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:25,807 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:25,808 INFO L139 ounterexampleChecker]: Examining path program with hash 122564220, occurence #2 [2024-11-27 06:16:25,808 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:25,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:25,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:16:25,808 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:25,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:16:25,808 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:16:25,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-27 06:16:25,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-27 06:16:25,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-27 06:16:25,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:25,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-27 06:16:25,810 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:25,810 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:25,810 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:25,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash -41426626, now seen corresponding path program 6 times [2024-11-27 06:16:25,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:25,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150948843] [2024-11-27 06:16:25,811 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:16:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:25,992 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-27 06:16:25,995 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:26,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:26,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150948843] [2024-11-27 06:16:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150948843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:26,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709466692] [2024-11-27 06:16:26,510 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:16:26,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:26,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:26,512 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:26,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:16:26,674 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-11-27 06:16:26,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:26,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:16:26,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:27,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:27,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709466692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:27,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:27,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 38 [2024-11-27 06:16:27,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896867181] [2024-11-27 06:16:27,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:27,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-27 06:16:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:27,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-27 06:16:27,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1153, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 06:16:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:27,681 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:27,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.743589743589744) internal successors, (224), 38 states have internal predecessors, (224), 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 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:27,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:28,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:28,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 06:16:28,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:28,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:28,337 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:28,337 INFO L139 ounterexampleChecker]: Examining path program with hash 122564220, occurence #3 [2024-11-27 06:16:28,337 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:28,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:16:28,338 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:16:28,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:16:28,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:16:28,338 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-27 06:16:28,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-27 06:16:28,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-27 06:16:28,339 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-27 06:16:28,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:16:28,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-27 06:16:28,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-27 06:16:28,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-27 06:16:28,339 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:28,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-27 06:16:28,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:28,339 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:28,339 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:28,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:28,340 INFO L85 PathProgramCache]: Analyzing trace with hash -112089570, now seen corresponding path program 7 times [2024-11-27 06:16:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:28,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058179658] [2024-11-27 06:16:28,340 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:16:28,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 15 proven. 37 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:28,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:28,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058179658] [2024-11-27 06:16:28,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058179658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:28,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513447573] [2024-11-27 06:16:28,897 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:16:28,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:28,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:28,899 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:16:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:29,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:16:29,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:29,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 06:16:29,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513447573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:29,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:29,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-11-27 06:16:29,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19207892] [2024-11-27 06:16:29,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 06:16:29,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:29,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 06:16:29,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1000, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 06:16:29,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:29,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:29,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.054054054054054) internal successors, (150), 36 states have internal predecessors, (150), 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 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:29,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:30,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:30,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:16:30,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 06:16:30,820 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:30,820 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:30,820 INFO L139 ounterexampleChecker]: Examining path program with hash -152266222, occurence #1 [2024-11-27 06:16:30,820 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:30,821 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:30,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1543900570, now seen corresponding path program 8 times [2024-11-27 06:16:30,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:30,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33560802] [2024-11-27 06:16:30,822 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:16:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:30,909 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:16:30,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 15 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:31,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:31,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33560802] [2024-11-27 06:16:31,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33560802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:31,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178126320] [2024-11-27 06:16:31,552 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:16:31,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:31,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:31,555 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:31,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:16:31,732 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:16:31,732 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:31,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 06:16:31,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 06:16:32,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 06:16:33,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178126320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:33,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:33,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2024-11-27 06:16:33,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275400855] [2024-11-27 06:16:33,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:33,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-27 06:16:33,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:33,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 06:16:33,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=1807, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 06:16:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:33,110 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:33,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.085106382978723) internal successors, (239), 46 states have internal predecessors, (239), 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 06:16:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:33,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:34,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:16:34,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 06:16:34,535 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:34,535 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:34,536 INFO L139 ounterexampleChecker]: Examining path program with hash -1035955158, occurence #1 [2024-11-27 06:16:34,536 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:34,536 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:34,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:34,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1915877180, now seen corresponding path program 9 times [2024-11-27 06:16:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:34,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021406252] [2024-11-27 06:16:34,537 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:16:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:34,951 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 06:16:34,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 229 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:36,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021406252] [2024-11-27 06:16:36,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021406252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:36,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970623564] [2024-11-27 06:16:36,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:16:36,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:36,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:36,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:16:36,718 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 06:16:36,718 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:36,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:16:36,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:16:37,832 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:16:38,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970623564] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:38,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:38,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 64 [2024-11-27 06:16:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537601089] [2024-11-27 06:16:38,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:38,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-27 06:16:38,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:38,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-27 06:16:38,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=3118, Unknown=0, NotChecked=0, Total=4160 [2024-11-27 06:16:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:38,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:38,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.184615384615385) internal successors, (337), 64 states have internal predecessors, (337), 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 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:38,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:38,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:39,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:16:39,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 06:16:39,414 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:39,414 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:39,414 INFO L139 ounterexampleChecker]: Examining path program with hash -1035955158, occurence #2 [2024-11-27 06:16:39,414 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:39,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:39,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:39,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:16:39,416 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:39,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:16:39,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:39,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:16:39,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:39,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:16:39,416 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:39,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:16:39,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -470586704, now seen corresponding path program 1 times [2024-11-27 06:16:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:16:39,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646247605] [2024-11-27 06:16:39,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:39,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 210 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:41,283 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:16:41,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646247605] [2024-11-27 06:16:41,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646247605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:41,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1931485937] [2024-11-27 06:16:41,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:41,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 06:16:41,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:42,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1931485937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:42,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:16:42,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2024-11-27 06:16:42,969 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:16:42,969 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-27 06:16:42,969 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:42,969 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-27 06:16:42,969 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:42,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-27 06:16:42,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:42,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-11-27 06:16:42,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:42,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:16:42,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:42,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-11-27 06:16:42,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:42,970 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:42,970 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:42,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1556888732, now seen corresponding path program 10 times [2024-11-27 06:16:42,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:42,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958086389] [2024-11-27 06:16:42,971 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:16:42,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:43,021 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:16:43,022 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:16:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958086389] [2024-11-27 06:16:43,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958086389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285707395] [2024-11-27 06:16:43,471 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:16:43,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:43,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:43,474 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:16:43,697 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:16:43,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:43,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:16:43,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:16:44,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:16:45,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285707395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:45,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:45,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 13] total 45 [2024-11-27 06:16:45,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310940940] [2024-11-27 06:16:45,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:45,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-27 06:16:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:45,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-27 06:16:45,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1430, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 06:16:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:45,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:45,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.111111111111111) internal successors, (320), 45 states have internal predecessors, (320), 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 06:16:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:16:48,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 06:16:49,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-11-27 06:16:49,011 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:49,011 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:49,011 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #1 [2024-11-27 06:16:49,012 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:16:49,012 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:49,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:49,012 INFO L85 PathProgramCache]: Analyzing trace with hash 630870090, now seen corresponding path program 11 times [2024-11-27 06:16:49,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:49,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293574463] [2024-11-27 06:16:49,013 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:16:49,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:49,400 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-27 06:16:49,400 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:16:51,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:16:51,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293574463] [2024-11-27 06:16:51,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293574463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:51,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749723999] [2024-11-27 06:16:51,835 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:16:51,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:16:51,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:16:51,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:16:52,411 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-27 06:16:52,411 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:16:52,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 06:16:52,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 401 proven. 105 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-27 06:16:53,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:16:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 401 proven. 105 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-27 06:16:54,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749723999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:16:54,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:16:54,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 31, 31] total 80 [2024-11-27 06:16:54,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048573589] [2024-11-27 06:16:54,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:16:54,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-11-27 06:16:54,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:16:54,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-11-27 06:16:54,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1440, Invalid=5040, Unknown=0, NotChecked=0, Total=6480 [2024-11-27 06:16:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:54,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:16:54,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 3.6296296296296298) internal successors, (294), 80 states have internal predecessors, (294), 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 06:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:54,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:16:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:16:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:16:55,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:16:55,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:16:55,568 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:16:55,568 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:16:55,569 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #2 [2024-11-27 06:16:55,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:16:55,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:16:55,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:55,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:16:55,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:55,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:16:55,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:55,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:16:55,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:55,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:16:55,570 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:55,570 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2024-11-27 06:16:55,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:55,609 INFO L85 PathProgramCache]: Analyzing trace with hash -31448813, now seen corresponding path program 1 times [2024-11-27 06:16:55,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:16:55,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457338115] [2024-11-27 06:16:55,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:55,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 368 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:57,682 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:16:57,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457338115] [2024-11-27 06:16:57,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457338115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:57,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1936177498] [2024-11-27 06:16:57,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:16:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:16:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:16:57,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 06:16:57,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:16:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 392 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:16:59,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1936177498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:16:59,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:16:59,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 69 [2024-11-27 06:16:59,470 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:16:59,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-27 06:16:59,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:16:59,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-27 06:16:59,470 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:59,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-27 06:16:59,470 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,470 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-27 06:16:59,471 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-27 06:16:59,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-11-27 06:16:59,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-27 06:16:59,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-11-27 06:16:59,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-27 06:16:59,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-27 06:16:59,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:16:59,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-11-27 06:16:59,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:16:59,473 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:16:59,473 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:16:59,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:16:59,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1286072707, now seen corresponding path program 12 times [2024-11-27 06:16:59,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:16:59,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448847321] [2024-11-27 06:16:59,474 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:16:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:00,969 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-27 06:17:00,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 724 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:17:03,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448847321] [2024-11-27 06:17:03,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448847321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:03,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412382697] [2024-11-27 06:17:03,666 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:17:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:03,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:17:03,669 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:17:03,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:17:04,668 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-27 06:17:04,668 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:04,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 06:17:04,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 601 proven. 120 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-27 06:17:06,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:17:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 601 proven. 120 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-27 06:17:07,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412382697] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:17:07,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:17:07,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 33, 33] total 91 [2024-11-27 06:17:07,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689717998] [2024-11-27 06:17:07,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:17:07,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-11-27 06:17:07,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:17:07,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-11-27 06:17:07,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1779, Invalid=6593, Unknown=0, NotChecked=0, Total=8372 [2024-11-27 06:17:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:07,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:17:07,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.630434782608695) internal successors, (426), 91 states have internal predecessors, (426), 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 06:17:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:08,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 06:17:08,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-27 06:17:08,517 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:17:08,517 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:17:08,518 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #3 [2024-11-27 06:17:08,518 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:17:08,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:17:08,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:08,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:17:08,518 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:08,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:17:08,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:08,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:17:08,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:08,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-27 06:17:08,519 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:08,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-11-27 06:17:08,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1481231933, now seen corresponding path program 1 times [2024-11-27 06:17:08,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:17:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663963116] [2024-11-27 06:17:08,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 368 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:10,509 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:17:10,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663963116] [2024-11-27 06:17:10,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663963116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:10,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [462309754] [2024-11-27 06:17:10,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:10,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 06:17:10,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 392 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:12,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [462309754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:12,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:17:12,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2024-11-27 06:17:12,528 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:17:12,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-11-27 06:17:12,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-27 06:17:12,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-11-27 06:17:12,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:17:12,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-11-27 06:17:12,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2024-11-27 06:17:12,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-27 06:17:12,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-27 06:17:12,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-27 06:17:12,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-11-27 06:17:12,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-11-27 06:17:12,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-11-27 06:17:12,532 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:12,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-27 06:17:12,532 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:12,532 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:17:12,532 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:17:12,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:12,532 INFO L85 PathProgramCache]: Analyzing trace with hash 122517354, now seen corresponding path program 13 times [2024-11-27 06:17:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:17:12,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274691407] [2024-11-27 06:17:12,533 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:17:12,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 700 proven. 247 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:17,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:17:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274691407] [2024-11-27 06:17:17,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274691407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581232784] [2024-11-27 06:17:17,634 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:17:17,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:17,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:17:17,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:17:17,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:17:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:17,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-27 06:17:17,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 416 proven. 136 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 06:17:19,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:17:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 416 proven. 136 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 06:17:22,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581232784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:17:22,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:17:22,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 35, 35] total 130 [2024-11-27 06:17:22,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056174486] [2024-11-27 06:17:22,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:17:22,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-11-27 06:17:22,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:17:22,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-11-27 06:17:22,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2285, Invalid=14745, Unknown=0, NotChecked=0, Total=17030 [2024-11-27 06:17:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:22,196 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:17:22,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 3.7557251908396947) internal successors, (492), 130 states have internal predecessors, (492), 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 06:17:22,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:22,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:22,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:22,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:23,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:23,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 06:17:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2024-11-27 06:17:23,266 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:17:23,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:17:23,267 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #4 [2024-11-27 06:17:23,267 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:17:23,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:17:23,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:23,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:17:23,267 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:23,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:17:23,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:23,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:17:23,267 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:23,267 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:17:23,267 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:23,268 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-11-27 06:17:23,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1129694713, now seen corresponding path program 1 times [2024-11-27 06:17:23,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:17:23,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990306291] [2024-11-27 06:17:23,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:23,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 368 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:25,079 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:17:25,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990306291] [2024-11-27 06:17:25,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990306291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:25,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [553888363] [2024-11-27 06:17:25,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:25,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 06:17:25,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 392 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:26,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [553888363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:26,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:17:26,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 73 [2024-11-27 06:17:26,701 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-27 06:17:26,701 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-27 06:17:26,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-27 06:17:26,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-27 06:17:26,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-27 06:17:26,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-27 06:17:26,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-27 06:17:26,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-27 06:17:26,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2024-11-27 06:17:26,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-27 06:17:26,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-27 06:17:26,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-27 06:17:26,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-27 06:17:26,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-27 06:17:26,707 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:26,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-11-27 06:17:26,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:26,708 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:17:26,708 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:17:26,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:26,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1587960221, now seen corresponding path program 14 times [2024-11-27 06:17:26,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:17:26,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890829676] [2024-11-27 06:17:26,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:17:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:26,837 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:17:26,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 724 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:17:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890829676] [2024-11-27 06:17:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890829676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026067169] [2024-11-27 06:17:29,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:17:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:17:29,416 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:17:29,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 06:17:29,718 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:17:29,718 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:29,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 06:17:29,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 416 proven. 153 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 06:17:31,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:17:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 416 proven. 153 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 06:17:32,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026067169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:17:32,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:17:32,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 37, 37] total 115 [2024-11-27 06:17:32,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969652472] [2024-11-27 06:17:32,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:17:32,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-11-27 06:17:32,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:17:32,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-11-27 06:17:32,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2279, Invalid=11061, Unknown=0, NotChecked=0, Total=13340 [2024-11-27 06:17:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:32,765 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:17:32,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 4.405172413793103) internal successors, (511), 115 states have internal predecessors, (511), 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 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:32,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:17:33,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 06:17:33,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:33,633 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:17:33,633 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:17:33,633 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #5 [2024-11-27 06:17:33,633 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:17:33,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:17:33,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:33,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:17:33,633 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:33,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:17:33,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:33,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:17:33,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:33,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:17:33,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:33,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-11-27 06:17:33,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:33,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1178024605, now seen corresponding path program 1 times [2024-11-27 06:17:33,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:17:33,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706049654] [2024-11-27 06:17:33,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:33,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 368 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:35,621 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:17:35,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706049654] [2024-11-27 06:17:35,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706049654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:35,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1335573684] [2024-11-27 06:17:35,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:35,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 06:17:35,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 392 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:37,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1335573684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:37,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:17:37,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 75 [2024-11-27 06:17:37,487 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-11-27 06:17:37,488 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-27 06:17:37,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-27 06:17:37,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-27 06:17:37,489 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-27 06:17:37,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-11-27 06:17:37,490 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:37,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:17:37,491 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:37,491 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:17:37,491 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:17:37,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1221809802, now seen corresponding path program 15 times [2024-11-27 06:17:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:17:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615846969] [2024-11-27 06:17:37,491 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:17:37,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:38,080 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-27 06:17:38,081 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 395 proven. 195 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:17:39,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:17:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615846969] [2024-11-27 06:17:39,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615846969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603898363] [2024-11-27 06:17:39,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:17:39,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:39,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:17:39,742 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:17:39,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 06:17:41,049 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-27 06:17:41,049 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:41,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 06:17:41,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 419 proven. 171 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:17:42,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:17:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 419 proven. 171 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:17:43,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603898363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:17:43,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:17:43,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 39] total 97 [2024-11-27 06:17:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715601591] [2024-11-27 06:17:43,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:17:43,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-27 06:17:43,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:17:43,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-27 06:17:43,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2190, Invalid=7316, Unknown=0, NotChecked=0, Total=9506 [2024-11-27 06:17:43,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:43,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:17:43,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.561224489795918) internal successors, (349), 97 states have internal predecessors, (349), 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 06:17:43,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:43,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:43,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:43,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:17:43,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:44,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 06:17:44,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-27 06:17:44,616 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:17:44,616 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:17:44,616 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #6 [2024-11-27 06:17:44,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:17:44,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:17:44,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:44,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:17:44,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:44,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:17:44,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:44,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:17:44,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:44,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:17:44,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:44,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-11-27 06:17:44,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:44,636 INFO L85 PathProgramCache]: Analyzing trace with hash 297120479, now seen corresponding path program 1 times [2024-11-27 06:17:44,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:17:44,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129509867] [2024-11-27 06:17:44,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:44,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 368 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:46,608 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:17:46,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129509867] [2024-11-27 06:17:46,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129509867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:46,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2094437204] [2024-11-27 06:17:46,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:46,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:46,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 06:17:46,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 392 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:48,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2094437204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:48,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:17:48,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 77 [2024-11-27 06:17:48,460 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-27 06:17:48,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-11-27 06:17:48,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-27 06:17:48,460 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-27 06:17:48,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-27 06:17:48,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,460 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-27 06:17:48,460 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,461 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-27 06:17:48,461 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-11-27 06:17:48,462 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,462 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-27 06:17:48,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-11-27 06:17:48,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:17:48,463 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:48,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-27 06:17:48,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:48,463 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:17:48,463 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:17:48,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:48,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1869632701, now seen corresponding path program 16 times [2024-11-27 06:17:48,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:17:48,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787644649] [2024-11-27 06:17:48,464 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:17:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:48,522 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:17:48,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 392 proven. 416 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-27 06:17:49,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:17:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787644649] [2024-11-27 06:17:49,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787644649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:49,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865861041] [2024-11-27 06:17:49,479 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:17:49,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:17:49,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:17:49,482 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:17:49,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 06:17:49,809 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:17:49,809 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:17:49,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 06:17:49,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 337 proven. 419 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-27 06:17:51,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:17:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 337 proven. 416 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-27 06:17:51,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865861041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:17:51,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:17:51,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 43, 24] total 69 [2024-11-27 06:17:51,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924225272] [2024-11-27 06:17:51,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:17:51,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-27 06:17:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:17:51,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-27 06:17:51,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=603, Invalid=4089, Unknown=0, NotChecked=0, Total=4692 [2024-11-27 06:17:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:51,775 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:17:51,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 5.449275362318841) internal successors, (376), 69 states have internal predecessors, (376), 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 06:17:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:51,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:17:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:17:53,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:17:53,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 06:17:53,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 06:17:53,683 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:17:53,683 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:17:53,683 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #7 [2024-11-27 06:17:53,683 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:17:53,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:17:53,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:53,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:17:53,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:53,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:17:53,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:53,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:17:53,684 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:53,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:17:53,684 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:53,684 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:17:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2091041232, now seen corresponding path program 1 times [2024-11-27 06:17:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:17:53,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666179248] [2024-11-27 06:17:53,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 580 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:55,902 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:17:55,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666179248] [2024-11-27 06:17:55,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666179248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:55,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1463357467] [2024-11-27 06:17:55,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:17:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:17:55,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-27 06:17:55,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:17:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 610 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:17:58,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1463357467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:17:58,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:17:58,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 85 [2024-11-27 06:17:58,545 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:17:58,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-27 06:17:58,546 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-11-27 06:17:58,546 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-27 06:17:58,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-11-27 06:17:58,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-11-27 06:17:58,547 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,547 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-27 06:17:58,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-27 06:17:58,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-11-27 06:17:58,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-11-27 06:17:58,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-11-27 06:17:58,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-11-27 06:17:58,549 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:17:58,549 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:17:58,549 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:17:58,549 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:17:58,549 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:17:58,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:17:58,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1740618831, now seen corresponding path program 17 times [2024-11-27 06:17:58,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:17:58,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000509045] [2024-11-27 06:17:58,550 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:17:58,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:17:58,906 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-27 06:17:58,906 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 640 proven. 190 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 06:18:00,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:00,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000509045] [2024-11-27 06:18:00,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000509045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:00,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567285062] [2024-11-27 06:18:00,930 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:18:00,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:00,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:00,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:00,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 06:18:01,873 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-27 06:18:01,873 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:01,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 06:18:01,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:03,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 633 proven. 190 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-27 06:18:03,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 633 proven. 190 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-27 06:18:05,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567285062] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:05,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:05,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41, 41] total 102 [2024-11-27 06:18:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448859869] [2024-11-27 06:18:05,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:05,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-11-27 06:18:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:05,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-11-27 06:18:05,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2393, Invalid=8113, Unknown=0, NotChecked=0, Total=10506 [2024-11-27 06:18:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:05,040 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:05,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.436893203883495) internal successors, (354), 102 states have internal predecessors, (354), 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 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:05,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:05,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:05,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:05,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 06:18:05,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:05,634 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:18:05,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:05,634 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #8 [2024-11-27 06:18:05,634 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:05,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:05,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:18:05,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:18:05,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:18:05,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:18:05,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-27 06:18:05,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1209876870, now seen corresponding path program 1 times [2024-11-27 06:18:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:05,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276653889] [2024-11-27 06:18:05,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 580 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:07,470 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276653889] [2024-11-27 06:18:07,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276653889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [84433533] [2024-11-27 06:18:07,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:07,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 06:18:07,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 610 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:09,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [84433533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:09,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:09,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 87 [2024-11-27 06:18:09,745 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-27 06:18:09,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-27 06:18:09,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-27 06:18:09,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-11-27 06:18:09,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-11-27 06:18:09,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-27 06:18:09,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:18:09,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:09,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-11-27 06:18:09,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:09,748 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:09,748 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:09,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -514359016, now seen corresponding path program 18 times [2024-11-27 06:18:09,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:09,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830434725] [2024-11-27 06:18:09,749 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:18:09,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:10,660 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-27 06:18:10,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 613 proven. 240 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:18:13,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:13,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830434725] [2024-11-27 06:18:13,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830434725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:13,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086070495] [2024-11-27 06:18:13,203 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:18:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:13,206 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:13,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 06:18:15,201 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-11-27 06:18:15,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:15,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-27 06:18:15,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 1035 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:18,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 1035 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:21,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086070495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:21,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:21,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 50, 50] total 143 [2024-11-27 06:18:21,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000440180] [2024-11-27 06:18:21,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:21,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-11-27 06:18:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:21,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-11-27 06:18:21,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4025, Invalid=16567, Unknown=0, NotChecked=0, Total=20592 [2024-11-27 06:18:21,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:21,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:21,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 4.784722222222222) internal successors, (689), 143 states have internal predecessors, (689), 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 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:21,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:21,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:21,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 06:18:21,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:21,978 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:18:21,978 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:21,978 INFO L139 ounterexampleChecker]: Examining path program with hash 1681019457, occurence #9 [2024-11-27 06:18:21,978 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:21,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:21,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:21,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:18:21,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:21,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:18:21,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:21,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:18:21,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:21,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-27 06:18:21,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:21,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:18:21,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1518333, now seen corresponding path program 1 times [2024-11-27 06:18:21,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:21,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13431500] [2024-11-27 06:18:21,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:21,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:18:22,330 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:18:22,330 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:18:22,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-27 06:18:22,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-27 06:18:22,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2024-11-27 06:18:22,331 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:22,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-27 06:18:22,331 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,331 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-27 06:18:22,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-11-27 06:18:22,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-27 06:18:22,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-11-27 06:18:22,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-11-27 06:18:22,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:18:22,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-27 06:18:22,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-27 06:18:22,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-11-27 06:18:22,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-11-27 06:18:22,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-11-27 06:18:22,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-11-27 06:18:22,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-11-27 06:18:22,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-11-27 06:18:22,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-27 06:18:22,335 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:22,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-27 06:18:22,335 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:22,335 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:22,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:22,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:22,336 INFO L85 PathProgramCache]: Analyzing trace with hash -379875944, now seen corresponding path program 19 times [2024-11-27 06:18:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:22,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141127123] [2024-11-27 06:18:22,336 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:18:22,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 743 proven. 698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:27,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:27,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141127123] [2024-11-27 06:18:27,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141127123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:27,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396263713] [2024-11-27 06:18:27,620 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:18:27,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:27,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:27,626 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:27,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 06:18:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:28,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-27 06:18:28,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 378 proven. 671 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:18:31,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 406 proven. 643 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:18:35,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396263713] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:35,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:35,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 54, 54] total 186 [2024-11-27 06:18:35,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651754958] [2024-11-27 06:18:35,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:35,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2024-11-27 06:18:35,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:35,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2024-11-27 06:18:35,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5376, Invalid=29406, Unknown=0, NotChecked=0, Total=34782 [2024-11-27 06:18:35,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:35,649 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:35,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 3.46524064171123) internal successors, (648), 186 states have internal predecessors, (648), 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 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:35,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:39,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:39,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:18:39,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-27 06:18:39,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-11-27 06:18:39,926 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:18:39,926 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:39,926 INFO L139 ounterexampleChecker]: Examining path program with hash 2068647927, occurence #1 [2024-11-27 06:18:39,926 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:39,926 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:39,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:39,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1720942636, now seen corresponding path program 20 times [2024-11-27 06:18:39,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:39,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763652400] [2024-11-27 06:18:39,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:18:39,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:40,090 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:18:40,090 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1380 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:47,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:47,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763652400] [2024-11-27 06:18:47,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763652400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558051965] [2024-11-27 06:18:47,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:18:47,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:47,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:47,392 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 06:18:47,871 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:18:47,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:47,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-27 06:18:47,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1176 proven. 406 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:18:52,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1176 proven. 406 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-27 06:18:57,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558051965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:57,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:57,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 59, 59] total 206 [2024-11-27 06:18:57,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701333678] [2024-11-27 06:18:57,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:57,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 207 states [2024-11-27 06:18:57,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:57,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2024-11-27 06:18:57,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5999, Invalid=36643, Unknown=0, NotChecked=0, Total=42642 [2024-11-27 06:18:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:57,234 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:57,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 207 states, 207 states have (on average 3.5555555555555554) internal successors, (736), 206 states have internal predecessors, (736), 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 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:57,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:57,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:18:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:18:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:18:58,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-27 06:18:58,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-27 06:18:58,333 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:18:58,333 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:58,334 INFO L139 ounterexampleChecker]: Examining path program with hash 2068647927, occurence #2 [2024-11-27 06:18:58,334 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:58,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:18:58,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:18:58,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:18:58,334 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-27 06:18:58,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:58,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-27 06:18:58,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1065344599, now seen corresponding path program 1 times [2024-11-27 06:18:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:58,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882140671] [2024-11-27 06:18:58,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 1092 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:01,142 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:01,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882140671] [2024-11-27 06:19:01,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882140671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:01,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1264210216] [2024-11-27 06:19:01,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:01,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:01,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-27 06:19:01,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 1134 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:04,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1264210216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:04,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:04,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 119 [2024-11-27 06:19:04,396 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-11-27 06:19:04,396 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,396 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-27 06:19:04,397 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-11-27 06:19:04,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-11-27 06:19:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2024-11-27 06:19:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-27 06:19:04,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-27 06:19:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2024-11-27 06:19:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2024-11-27 06:19:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-11-27 06:19:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 302 [2024-11-27 06:19:04,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:04,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2024-11-27 06:19:04,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,400 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:04,400 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:04,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:04,400 INFO L85 PathProgramCache]: Analyzing trace with hash -768362075, now seen corresponding path program 21 times [2024-11-27 06:19:04,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:04,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692303675] [2024-11-27 06:19:04,400 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:06,062 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 06:19:06,062 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 0 proven. 1813 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-27 06:20:24,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:24,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692303675] [2024-11-27 06:20:24,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692303675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:24,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006406109] [2024-11-27 06:20:24,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:20:24,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:24,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:24,281 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 06:20:28,635 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 06:20:28,635 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:28,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 572 conjuncts are in the unsatisfiable core [2024-11-27 06:20:28,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:29,175 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 23 treesize of output 1 [2024-11-27 06:20:29,187 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 23 treesize of output 1 [2024-11-27 06:20:29,197 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 23 treesize of output 1 [2024-11-27 06:20:29,208 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 23 treesize of output 1 [2024-11-27 06:20:29,223 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 06:21:32,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:21:32,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 30 select indices, 30 select index equivalence classes, 435 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 309 treesize of output 69 [2024-11-27 06:21:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 16 proven. 1867 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 06:21:33,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 0 proven. 1568 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 06:22:51,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006406109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:51,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:51,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 140, 125] total 382 [2024-11-27 06:22:51,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959625971] [2024-11-27 06:22:51,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:51,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2024-11-27 06:22:51,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:51,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2024-11-27 06:22:51,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8450, Invalid=137092, Unknown=0, NotChecked=0, Total=145542 [2024-11-27 06:22:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:51,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:51,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 382 states have (on average 2.1204188481675392) internal successors, (810), 382 states have internal predecessors, (810), 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 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:22:51,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:22:51,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:27,714 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 663 DAG size of output: 435 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:27:43,595 WARN L286 SmtUtils]: Spent 23.83s on a formula simplification. DAG size of input: 910 DAG size of output: 731 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:27:52,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:27:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:27:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-11-27 06:27:52,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-27 06:27:52,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42 [2024-11-27 06:27:52,868 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:27:52,868 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:27:52,868 INFO L139 ounterexampleChecker]: Examining path program with hash 2068647927, occurence #3 [2024-11-27 06:27:52,868 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:27:52,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:27:52,869 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:27:52,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:27:52,869 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-27 06:27:52,869 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:27:52,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 386 [2024-11-27 06:27:52,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:27:52,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1283450930, now seen corresponding path program 1 times [2024-11-27 06:27:52,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:27:52,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829524311] [2024-11-27 06:27:52,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:27:52,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:27:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5055 backedges. 4536 proven. 519 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:28:00,037 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:28:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829524311] [2024-11-27 06:28:00,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829524311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:00,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1438836912] [2024-11-27 06:28:00,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:28:00,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:00,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-27 06:28:00,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5055 backedges. 4620 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:28:08,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1438836912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:08,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:28:08,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 88] total 175 [2024-11-27 06:28:08,463 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:28:08,463 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2024-11-27 06:28:08,463 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 403 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2024-11-27 06:28:08,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 413 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,464 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2024-11-27 06:28:08,464 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 461 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-11-27 06:28:08,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 470 [2024-11-27 06:28:08,466 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:08,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 471 [2024-11-27 06:28:08,466 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:08,466 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:28:08,466 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:08,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:08,466 INFO L85 PathProgramCache]: Analyzing trace with hash -454966617, now seen corresponding path program 22 times [2024-11-27 06:28:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:08,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452528869] [2024-11-27 06:28:08,467 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:28:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:08,546 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:28:08,546 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 4620 proven. 476 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 06:28:11,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:11,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452528869] [2024-11-27 06:28:11,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452528869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:11,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019929513] [2024-11-27 06:28:11,542 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:28:11,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:11,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:11,544 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:11,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 06:28:12,030 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:28:12,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:12,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-27 06:28:12,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 0 proven. 5096 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 06:28:19,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 4620 proven. 476 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-27 06:28:21,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019929513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:21,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:21,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 106, 50] total 180 [2024-11-27 06:28:21,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134397545] [2024-11-27 06:28:21,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:21,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2024-11-27 06:28:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:21,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2024-11-27 06:28:21,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4970, Invalid=27250, Unknown=0, NotChecked=0, Total=32220 [2024-11-27 06:28:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:21,794 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:21,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 6.138888888888889) internal successors, (1105), 180 states have internal predecessors, (1105), 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 06:28:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:28:21,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:28:21,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:28:21,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:28:21,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:28:21,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:28:21,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2024-11-27 06:28:21,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:28:41,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:28:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 06:28:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-11-27 06:28:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-11-27 06:28:41,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-27 06:28:42,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45 [2024-11-27 06:28:42,075 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-27 06:28:42,076 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:28:42,076 INFO L139 ounterexampleChecker]: Examining path program with hash 1611619263, occurence #1 [2024-11-27 06:28:42,076 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:28:42,076 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:42,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1424698634, now seen corresponding path program 23 times [2024-11-27 06:28:42,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:42,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718181405] [2024-11-27 06:28:42,077 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:28:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:46,637 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-27 06:28:46,637 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16730 backedges. 16295 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:29:04,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:04,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718181405] [2024-11-27 06:29:04,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718181405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:04,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81159000] [2024-11-27 06:29:04,687 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:29:04,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:04,691 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:04,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6d862d-4087-4f00-9fc7-f22471c7ee78/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process