./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.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_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/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_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/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_e2e75814-04dc-4a61-92e5-1301296cd802/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 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:18:43,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:18:43,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:18:43,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:18:43,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:18:43,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:18:43,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:18:43,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:18:43,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:18:43,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:18:43,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:18:43,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:18:43,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:18:43,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:18:43,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:18:43,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:18:43,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:18:43,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:18:43,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:18:43,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:18:43,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:18:43,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:18:43,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:18:43,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:18:43,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:18:43,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:18:43,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:18:43,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:18:43,714 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:18:43,714 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:18:43,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:18:43,714 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:18:43,715 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:18:43,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:18:43,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:18:43,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:18:43,716 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:18:43,716 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:18:43,716 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_e2e75814-04dc-4a61-92e5-1301296cd802/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 -> 1d936eafcc314e66bb4cd572754c58bf1f2fc59d35c83764f43dae769bce220a [2024-11-27 06:18:44,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:18:44,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:18:44,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:18:44,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:18:44,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:18:44,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-11-27 06:18:47,628 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/data/a068ff372/0ef515b9dbcb4864967658355a38fc8d/FLAG53571204a [2024-11-27 06:18:47,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:18:47,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2024-11-27 06:18:47,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/data/a068ff372/0ef515b9dbcb4864967658355a38fc8d/FLAG53571204a [2024-11-27 06:18:48,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/data/a068ff372/0ef515b9dbcb4864967658355a38fc8d [2024-11-27 06:18:48,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:18:48,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:18:48,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:18:48,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:18:48,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:18:48,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f226f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48, skipping insertion in model container [2024-11-27 06:18:48,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:18:48,355 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_e2e75814-04dc-4a61-92e5-1301296cd802/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2564,2577] [2024-11-27 06:18:48,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:18:48,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:18:48,408 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_e2e75814-04dc-4a61-92e5-1301296cd802/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2564,2577] [2024-11-27 06:18:48,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:18:48,432 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:18:48,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48 WrapperNode [2024-11-27 06:18:48,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:18:48,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:18:48,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:18:48,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:18:48,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,496 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 178 [2024-11-27 06:18:48,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:18:48,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:18:48,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:18:48,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:18:48,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,528 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:18:48,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:18:48,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:18:48,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:18:48,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (1/1) ... [2024-11-27 06:18:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:18:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:48,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:18:48,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:18:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:18:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:18:48,625 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 06:18:48,781 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:18:48,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:18:49,313 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:18:49,313 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:18:49,817 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:18:49,819 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 06:18:49,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:18:49 BoogieIcfgContainer [2024-11-27 06:18:49,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:18:49,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:18:49,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:18:49,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:18:49,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:18:48" (1/3) ... [2024-11-27 06:18:49,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4337ae33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:18:49, skipping insertion in model container [2024-11-27 06:18:49,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:48" (2/3) ... [2024-11-27 06:18:49,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4337ae33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:18:49, skipping insertion in model container [2024-11-27 06:18:49,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:18:49" (3/3) ... [2024-11-27 06:18:49,833 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-11-27 06:18:49,857 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:18:49,859 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum-alt2.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-27 06:18:49,860 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:18:49,957 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:18:50,032 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:18:50,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:18:50,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:50,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:18:50,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:18:50,133 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:18:50,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:18:50,165 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;@4537b876, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:18:50,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 06:18:50,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:18:50,960 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:50,961 INFO L139 ounterexampleChecker]: Examining path program with hash -629501658, occurence #1 [2024-11-27 06:18:50,961 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:50,961 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:50,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash -859352189, now seen corresponding path program 1 times [2024-11-27 06:18:50,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801244092] [2024-11-27 06:18:50,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:50,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:51,822 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 06:18:51,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:51,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801244092] [2024-11-27 06:18:51,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801244092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:51,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:51,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:18:51,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866488652] [2024-11-27 06:18:51,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:51,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:18:51,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:51,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:18:51,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:18:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:51,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:51,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:18:51,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:52,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:18:52,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:18:52,070 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:52,070 INFO L139 ounterexampleChecker]: Examining path program with hash -629501658, occurence #2 [2024-11-27 06:18:52,070 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:52,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:52,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:52,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:18:52,095 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:52,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:18:52,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:52,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:18:52,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:52,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:18:52,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:52,245 INFO L85 PathProgramCache]: Analyzing trace with hash 91986447, now seen corresponding path program 1 times [2024-11-27 06:18:52,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:52,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282442599] [2024-11-27 06:18:52,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:52,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:52,698 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:52,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282442599] [2024-11-27 06:18:52,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282442599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:52,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2068225737] [2024-11-27 06:18:52,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:52,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:52,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:52,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:53,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2068225737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:53,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:53,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-27 06:18:53,042 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:53,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:18:53,042 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:53,043 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:53,043 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:53,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 108201907, now seen corresponding path program 1 times [2024-11-27 06:18:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:53,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038436142] [2024-11-27 06:18:53,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:53,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038436142] [2024-11-27 06:18:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038436142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56621522] [2024-11-27 06:18:53,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:53,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:18:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:53,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:53,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:53,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:54,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56621522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:54,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:54,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-11-27 06:18:54,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557861186] [2024-11-27 06:18:54,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:54,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 06:18:54,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:54,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 06:18:54,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-11-27 06:18:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:54,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:54,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 17 states have internal predecessors, (62), 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 06:18:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:54,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:54,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:54,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 06:18:54,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:54,604 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:18:54,605 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:54,605 INFO L139 ounterexampleChecker]: Examining path program with hash -629501658, occurence #3 [2024-11-27 06:18:54,605 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:54,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:54,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:54,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:18:54,605 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:18:54,606 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:18:54,607 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:18:54,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1407802398, now seen corresponding path program 1 times [2024-11-27 06:18:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:54,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848292301] [2024-11-27 06:18:54,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:54,976 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848292301] [2024-11-27 06:18:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848292301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [950103613] [2024-11-27 06:18:54,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:55,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:55,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:55,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [950103613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:55,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:55,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 06:18:55,204 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:55,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:18:55,205 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:55,205 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:55,205 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:55,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:55,206 INFO L85 PathProgramCache]: Analyzing trace with hash 37607811, now seen corresponding path program 2 times [2024-11-27 06:18:55,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:55,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507582254] [2024-11-27 06:18:55,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:18:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:55,240 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:18:55,241 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:18:55,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:55,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507582254] [2024-11-27 06:18:55,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507582254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:55,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:55,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 06:18:55,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759024308] [2024-11-27 06:18:55,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:55,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:18:55,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:55,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:18:55,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:18:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:55,505 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:55,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 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 06:18:55,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:55,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:55,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:55,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-11-27 06:18:55,778 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:18:55,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:55,779 INFO L139 ounterexampleChecker]: Examining path program with hash 821727021, occurence #1 [2024-11-27 06:18:55,779 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:55,779 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:55,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1517387706, now seen corresponding path program 3 times [2024-11-27 06:18:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:55,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440898012] [2024-11-27 06:18:55,781 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:18:55,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:55,881 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:18:55,881 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:56,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440898012] [2024-11-27 06:18:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440898012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734253200] [2024-11-27 06:18:56,301 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:18:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:56,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:56,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:18:56,455 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:18:56,456 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:56,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 06:18:56,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:56,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:18:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734253200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:57,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:57,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-27 06:18:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837830478] [2024-11-27 06:18:57,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:57,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 06:18:57,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:57,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 06:18:57,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-27 06:18:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:57,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:57,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 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 06:18:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:57,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:57,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:18:57,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:57,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:18:57,653 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:57,653 INFO L139 ounterexampleChecker]: Examining path program with hash 821727021, occurence #2 [2024-11-27 06:18:57,653 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:57,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:57,654 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:57,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:18:57,654 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:57,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:18:57,654 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:57,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:18:57,654 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:57,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-27 06:18:57,654 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:57,655 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:57,655 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:57,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:57,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1543633942, now seen corresponding path program 4 times [2024-11-27 06:18:57,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187961073] [2024-11-27 06:18:57,655 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:18:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:57,680 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:18:57,680 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 06:18:57,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:57,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187961073] [2024-11-27 06:18:57,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187961073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:57,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263468751] [2024-11-27 06:18:57,808 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:18:57,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:57,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:57,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:18:57,932 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:18:57,932 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:57,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 06:18:57,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:18:58,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:18:58,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263468751] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:58,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:58,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 23 [2024-11-27 06:18:58,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34257731] [2024-11-27 06:18:58,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:58,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-27 06:18:58,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:58,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 06:18:58,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2024-11-27 06:18:58,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:58,545 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:58,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.652173913043478) internal successors, (84), 23 states have internal predecessors, (84), 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 06:18:58,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:58,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:18:58,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:58,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:58,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:00,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:19:00,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:00,502 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:00,502 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:00,503 INFO L139 ounterexampleChecker]: Examining path program with hash 669326528, occurence #1 [2024-11-27 06:19:00,503 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:00,503 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:00,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash 315761733, now seen corresponding path program 5 times [2024-11-27 06:19:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767448049] [2024-11-27 06:19:00,503 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:00,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:00,614 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-27 06:19:00,614 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:01,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:01,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767448049] [2024-11-27 06:19:01,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767448049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:01,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45578174] [2024-11-27 06:19:01,036 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:01,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:01,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:01,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:19:01,231 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-27 06:19:01,231 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:01,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 06:19:01,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:19:01,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:19:01,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45578174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:01,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:01,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 23 [2024-11-27 06:19:01,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6787270] [2024-11-27 06:19:01,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:01,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 06:19:01,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:01,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 06:19:01,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-27 06:19:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:01,778 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:01,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.708333333333333) internal successors, (113), 23 states have internal predecessors, (113), 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 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:19:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:19:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:01,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:19:02,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 06:19:02,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:02,152 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:02,152 INFO L139 ounterexampleChecker]: Examining path program with hash 669326528, occurence #2 [2024-11-27 06:19:02,152 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:02,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:02,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:02,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:19:02,153 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:02,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:19:02,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:02,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:19:02,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:02,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-27 06:19:02,154 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:02,155 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:02,155 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:02,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:02,158 INFO L85 PathProgramCache]: Analyzing trace with hash -966674923, now seen corresponding path program 6 times [2024-11-27 06:19:02,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:02,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236370856] [2024-11-27 06:19:02,159 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:02,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:02,272 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:19:02,272 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:19:02,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:02,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236370856] [2024-11-27 06:19:02,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236370856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:02,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285447323] [2024-11-27 06:19:02,816 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:02,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:02,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:02,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:19:02,965 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:19:02,965 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:02,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 06:19:02,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 44 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 06:19:03,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 06:19:03,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285447323] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:03,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:03,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2024-11-27 06:19:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354705027] [2024-11-27 06:19:03,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:03,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-27 06:19:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:03,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-27 06:19:03,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 06:19:03,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:03,974 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:03,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.9444444444444446) internal successors, (142), 36 states have internal predecessors, (142), 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 06:19:03,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:03,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:03,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:03,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:03,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:19:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:03,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:05,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:19:05,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:05,884 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:05,884 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:05,884 INFO L139 ounterexampleChecker]: Examining path program with hash 1394309388, occurence #1 [2024-11-27 06:19:05,884 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:05,884 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:05,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:05,884 INFO L85 PathProgramCache]: Analyzing trace with hash 75429646, now seen corresponding path program 7 times [2024-11-27 06:19:05,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:05,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091079821] [2024-11-27 06:19:05,885 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 32 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:07,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:07,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091079821] [2024-11-27 06:19:07,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091079821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:07,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16185691] [2024-11-27 06:19:07,185 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:07,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:07,187 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:07,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:19:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:07,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:19:07,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 06:19:08,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 06:19:08,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16185691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:08,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:08,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 15, 15] total 54 [2024-11-27 06:19:08,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252264989] [2024-11-27 06:19:08,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:08,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 06:19:08,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:08,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 06:19:08,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=2561, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 06:19:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:08,636 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:08,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.963636363636364) internal successors, (163), 54 states have internal predecessors, (163), 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 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:08,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:09,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:09,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 06:19:09,198 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:09,198 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:09,198 INFO L139 ounterexampleChecker]: Examining path program with hash 1394309388, occurence #2 [2024-11-27 06:19:09,198 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:09,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:09,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:09,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:19:09,199 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:09,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:19:09,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:09,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:19:09,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:09,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:19:09,200 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:09,200 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:09,200 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:09,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1332665538, now seen corresponding path program 8 times [2024-11-27 06:19:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425117370] [2024-11-27 06:19:09,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:09,252 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:09,252 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425117370] [2024-11-27 06:19:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425117370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133737461] [2024-11-27 06:19:09,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:09,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:09,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:09,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:19:10,042 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:10,042 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:10,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 06:19:10,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 66 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 06:19:10,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 06:19:11,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133737461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:11,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:11,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-11-27 06:19:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706792421] [2024-11-27 06:19:11,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:11,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-27 06:19:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:11,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 06:19:11,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1755, Unknown=0, NotChecked=0, Total=2162 [2024-11-27 06:19:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:11,480 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:11,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.723404255319149) internal successors, (175), 46 states have internal predecessors, (175), 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 06:19:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:11,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 06:19:11,981 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:11,982 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:11,982 INFO L139 ounterexampleChecker]: Examining path program with hash 1394309388, occurence #3 [2024-11-27 06:19:11,982 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:11,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:11,982 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:11,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:19:11,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:11,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:19:11,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:11,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:19:11,982 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:11,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-27 06:19:11,983 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:11,983 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:11,983 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:11,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:11,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2033943282, now seen corresponding path program 9 times [2024-11-27 06:19:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:11,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558006471] [2024-11-27 06:19:11,984 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:12,296 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-27 06:19:12,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 32 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:13,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:13,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558006471] [2024-11-27 06:19:13,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558006471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:13,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096806758] [2024-11-27 06:19:13,167 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:13,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:13,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:13,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:13,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:19:13,584 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-27 06:19:13,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:13,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 06:19:13,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:14,376 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 59 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:14,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 87 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:15,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096806758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:15,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:15,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 56 [2024-11-27 06:19:15,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083482320] [2024-11-27 06:19:15,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:15,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-27 06:19:15,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:15,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-27 06:19:15,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=2687, Unknown=0, NotChecked=0, Total=3192 [2024-11-27 06:19:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:15,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:15,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.754385964912281) internal successors, (214), 56 states have internal predecessors, (214), 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 06:19:15,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:15,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:15,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:15,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:15,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:15,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:19:15,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 06:19:15,637 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:15,637 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:15,639 INFO L139 ounterexampleChecker]: Examining path program with hash 1394309388, occurence #4 [2024-11-27 06:19:15,640 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:15,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:15,640 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:15,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:19:15,640 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:15,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:15,640 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:15,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:19:15,640 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:15,641 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-27 06:19:15,641 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:15,641 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:15,641 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:15,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:15,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1996250430, now seen corresponding path program 10 times [2024-11-27 06:19:15,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:15,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729353106] [2024-11-27 06:19:15,642 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:15,716 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:15,717 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-27 06:19:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:16,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729353106] [2024-11-27 06:19:16,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729353106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:16,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775322129] [2024-11-27 06:19:16,057 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:16,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:16,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:16,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:16,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:19:16,204 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:16,204 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:16,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:19:16,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 06:19:17,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 39 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 06:19:17,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775322129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:17,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:17,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 20] total 50 [2024-11-27 06:19:17,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885205796] [2024-11-27 06:19:17,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:17,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-27 06:19:17,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:17,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-27 06:19:17,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1985, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 06:19:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:17,892 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:17,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.8) internal successors, (190), 50 states have internal predecessors, (190), 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 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:17,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:17,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:22,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 06:19:22,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:22,273 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:22,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:22,273 INFO L139 ounterexampleChecker]: Examining path program with hash -414810867, occurence #1 [2024-11-27 06:19:22,273 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:22,273 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:22,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:22,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1739569888, now seen corresponding path program 11 times [2024-11-27 06:19:22,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:22,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664793069] [2024-11-27 06:19:22,274 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:22,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:22,618 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-27 06:19:22,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 397 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664793069] [2024-11-27 06:19:23,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664793069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682549474] [2024-11-27 06:19:23,634 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:23,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:23,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:23,639 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:23,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:19:23,891 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-11-27 06:19:23,891 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:23,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 06:19:23,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 396 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:19:24,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 396 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:19:25,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682549474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:25,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:25,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 54 [2024-11-27 06:19:25,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902450251] [2024-11-27 06:19:25,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:25,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 06:19:25,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:25,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 06:19:25,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=696, Invalid=2274, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 06:19:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:25,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:25,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.745454545454545) internal successors, (261), 54 states have internal predecessors, (261), 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 06:19:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:25,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:25,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:25,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:19:25,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 06:19:25,789 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:25,789 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:25,789 INFO L139 ounterexampleChecker]: Examining path program with hash -414810867, occurence #2 [2024-11-27 06:19:25,789 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:19:25,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:19:25,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:19:25,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-27 06:19:25,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-27 06:19:25,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:25,791 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:25,791 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:25,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:25,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1922121952, now seen corresponding path program 12 times [2024-11-27 06:19:25,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:25,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843675701] [2024-11-27 06:19:25,791 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:26,424 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-27 06:19:26,424 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 48 proven. 283 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-27 06:19:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843675701] [2024-11-27 06:19:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843675701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:27,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776842916] [2024-11-27 06:19:27,556 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:27,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:27,559 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:27,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:19:27,908 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-27 06:19:27,909 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:27,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 06:19:27,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-27 06:19:29,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 242 proven. 89 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-27 06:19:30,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776842916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:30,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:30,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 32, 21] total 59 [2024-11-27 06:19:30,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919600022] [2024-11-27 06:19:30,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:30,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-27 06:19:30,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:30,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-27 06:19:30,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=2925, Unknown=0, NotChecked=0, Total=3422 [2024-11-27 06:19:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:30,017 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:30,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.1525423728813555) internal successors, (245), 59 states have internal predecessors, (245), 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 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:30,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:30,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:30,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:30,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:19:36,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 06:19:36,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 06:19:36,600 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:36,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:36,600 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #1 [2024-11-27 06:19:36,600 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:36,600 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:36,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1794952779, now seen corresponding path program 13 times [2024-11-27 06:19:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649523499] [2024-11-27 06:19:36,601 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:36,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 721 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:41,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:41,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649523499] [2024-11-27 06:19:41,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649523499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:41,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567212437] [2024-11-27 06:19:41,528 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:41,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:19:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:41,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:19:41,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 543 proven. 83 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-11-27 06:19:43,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 571 proven. 55 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2024-11-27 06:19:44,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567212437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:44,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:44,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 25, 25] total 113 [2024-11-27 06:19:44,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099896277] [2024-11-27 06:19:44,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:44,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-27 06:19:44,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:44,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-27 06:19:44,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1764, Invalid=11118, Unknown=0, NotChecked=0, Total=12882 [2024-11-27 06:19:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:44,828 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:44,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 2.8859649122807016) internal successors, (329), 113 states have internal predecessors, (329), 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 06:19:44,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:44,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:44,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:44,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:44,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:19:44,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:19:45,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:45,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 06:19:45,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 06:19:45,442 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:45,442 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:45,443 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #2 [2024-11-27 06:19:45,443 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:45,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:45,443 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:45,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:45,443 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:45,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:19:45,443 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:45,443 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:19:45,443 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:45,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-27 06:19:45,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:45,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2024-11-27 06:19:45,444 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:45,444 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:45,444 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:45,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash -259340411, now seen corresponding path program 14 times [2024-11-27 06:19:45,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:45,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354029979] [2024-11-27 06:19:45,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:45,613 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:45,613 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 721 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:50,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:50,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354029979] [2024-11-27 06:19:50,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354029979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:50,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754849792] [2024-11-27 06:19:50,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:50,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:50,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:50,180 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:50,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 06:19:50,463 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:50,463 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:50,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 06:19:50,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:52,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 583 proven. 81 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-27 06:19:52,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 598 proven. 66 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-27 06:19:54,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754849792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:54,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:54,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 27, 27] total 118 [2024-11-27 06:19:54,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645441577] [2024-11-27 06:19:54,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:54,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-11-27 06:19:54,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:54,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-11-27 06:19:54,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1919, Invalid=12123, Unknown=0, NotChecked=0, Total=14042 [2024-11-27 06:19:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:54,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:54,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 2.8403361344537816) internal successors, (338), 118 states have internal predecessors, (338), 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 06:19:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:19:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:19:54,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:54,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 06:19:54,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:54,736 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:19:54,736 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:54,736 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #3 [2024-11-27 06:19:54,736 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:54,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:54,736 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:54,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:19:54,736 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:54,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:19:54,736 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:54,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:19:54,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:54,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-27 06:19:54,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:54,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-27 06:19:54,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:54,737 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:54,737 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:54,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:54,738 INFO L85 PathProgramCache]: Analyzing trace with hash 100002741, now seen corresponding path program 15 times [2024-11-27 06:19:54,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:54,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949344425] [2024-11-27 06:19:54,738 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:54,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:56,521 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 06:19:56,521 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 904 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:19:58,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949344425] [2024-11-27 06:19:58,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949344425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692034654] [2024-11-27 06:19:58,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:58,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:58,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:58,239 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:58,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 06:19:59,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-27 06:19:59,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:59,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 06:19:59,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 931 proven. 78 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 06:20:00,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 931 proven. 78 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 06:20:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692034654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:02,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31, 31] total 95 [2024-11-27 06:20:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637942883] [2024-11-27 06:20:02,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:02,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-27 06:20:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:02,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-27 06:20:02,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1423, Invalid=7697, Unknown=0, NotChecked=0, Total=9120 [2024-11-27 06:20:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:02,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:02,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.322916666666667) internal successors, (511), 95 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 06:20:02,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:02,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:02,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:02,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:02,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:02,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:02,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 06:20:03,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:03,095 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:20:03,095 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:03,096 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #4 [2024-11-27 06:20:03,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:03,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:20:03,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:03,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:20:03,096 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:03,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:20:03,096 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:03,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:20:03,096 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:03,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-27 06:20:03,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:03,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-11-27 06:20:03,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:03,097 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:03,097 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:03,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:03,097 INFO L85 PathProgramCache]: Analyzing trace with hash -366485579, now seen corresponding path program 16 times [2024-11-27 06:20:03,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:03,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485146617] [2024-11-27 06:20:03,097 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:20:03,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:03,141 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:20:03,142 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 793 proven. 148 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-27 06:20:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485146617] [2024-11-27 06:20:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485146617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131091773] [2024-11-27 06:20:03,966 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:20:03,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:03,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:03,968 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:03,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 06:20:04,137 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:20:04,137 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:04,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-27 06:20:04,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 06:20:07,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 793 proven. 153 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 06:20:08,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131091773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:08,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:08,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 57, 44] total 120 [2024-11-27 06:20:08,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402952782] [2024-11-27 06:20:08,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:08,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-11-27 06:20:08,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:08,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-11-27 06:20:09,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2970, Invalid=11310, Unknown=0, NotChecked=0, Total=14280 [2024-11-27 06:20:09,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:09,002 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:09,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.1) internal successors, (492), 120 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 06:20:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:09,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:20:21,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 06:20:21,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 06:20:21,207 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:20:21,207 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:21,207 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #5 [2024-11-27 06:20:21,207 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:21,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:20:21,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:20:21,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:21,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:20:21,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:21,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:20:21,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-11-27 06:20:21,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-27 06:20:21,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:20:21,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-11-27 06:20:21,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-11-27 06:20:21,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:21,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-27 06:20:21,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:21,208 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:21,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:21,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:21,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2058802474, now seen corresponding path program 17 times [2024-11-27 06:20:21,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:21,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782275759] [2024-11-27 06:20:21,209 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:20:21,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:22,060 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-11-27 06:20:22,060 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 2107 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:20:24,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:24,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782275759] [2024-11-27 06:20:24,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782275759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:24,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424218691] [2024-11-27 06:20:24,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:20:24,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:24,730 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:24,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 06:20:31,522 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-11-27 06:20:31,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:31,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 06:20:31,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 2058 proven. 136 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 06:20:33,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2243 backedges. 2058 proven. 136 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 06:20:35,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424218691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:35,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:35,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 41, 41] total 112 [2024-11-27 06:20:35,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793994739] [2024-11-27 06:20:35,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:35,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-11-27 06:20:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:35,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-11-27 06:20:35,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2907, Invalid=9749, Unknown=0, NotChecked=0, Total=12656 [2024-11-27 06:20:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:35,170 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:35,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.964601769911504) internal successors, (561), 112 states have internal predecessors, (561), 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 06:20:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:35,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:20:35,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:35,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:20:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:20:35,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 06:20:35,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 06:20:35,599 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:20:35,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:35,600 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #6 [2024-11-27 06:20:35,600 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:35,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:20:35,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:20:35,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:35,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:20:35,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:35,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:20:35,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:35,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:20:35,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-11-27 06:20:35,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-11-27 06:20:35,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-27 06:20:35,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-11-27 06:20:35,604 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:35,604 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2024-11-27 06:20:35,604 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:35,604 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:35,604 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:35,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:35,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1388723414, now seen corresponding path program 18 times [2024-11-27 06:20:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:35,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068266285] [2024-11-27 06:20:35,605 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:20:35,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:37,399 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2024-11-27 06:20:37,399 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 2044 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:20:40,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068266285] [2024-11-27 06:20:40,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068266285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:40,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575580595] [2024-11-27 06:20:40,264 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:20:40,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:40,266 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:40,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 06:20:43,701 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2024-11-27 06:20:43,701 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:43,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-27 06:20:43,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 0 proven. 2107 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-27 06:20:48,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2360 backedges. 177 proven. 1930 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-27 06:20:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575580595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:54,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 68, 62] total 182 [2024-11-27 06:20:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409477926] [2024-11-27 06:20:54,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 182 states [2024-11-27 06:20:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:54,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2024-11-27 06:20:54,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2479, Invalid=30463, Unknown=0, NotChecked=0, Total=32942 [2024-11-27 06:20:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:54,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:54,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 182 states, 182 states have (on average 4.15934065934066) internal successors, (757), 182 states have internal predecessors, (757), 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 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:20:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:21:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:21:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:21:53,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 06:21:53,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:53,759 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:21:53,759 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:53,760 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #7 [2024-11-27 06:21:53,760 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:21:53,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:21:53,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:21:53,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:53,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:21:53,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:53,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:21:53,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:53,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 575 [2024-11-27 06:21:53,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2024-11-27 06:21:53,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2024-11-27 06:21:53,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2024-11-27 06:21:53,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 587 [2024-11-27 06:21:53,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:53,762 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2024-11-27 06:21:53,762 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:53,762 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:21:53,762 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:21:53,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1772552758, now seen corresponding path program 19 times [2024-11-27 06:21:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:21:53,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579544657] [2024-11-27 06:21:53,763 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:21:53,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14695 backedges. 13515 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:31,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579544657] [2024-11-27 06:22:31,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579544657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353345089] [2024-11-27 06:22:31,775 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:22:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:31,776 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 06:22:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:32,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-27 06:22:32,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 14695 backedges. 5331 proven. 309 refuted. 0 times theorem prover too weak. 9055 trivial. 0 not checked. [2024-11-27 06:22:39,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14695 backedges. 5364 proven. 276 refuted. 0 times theorem prover too weak. 9055 trivial. 0 not checked. [2024-11-27 06:22:46,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353345089] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:46,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:46,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [212, 51, 51] total 310 [2024-11-27 06:22:46,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372181065] [2024-11-27 06:22:46,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:46,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 311 states [2024-11-27 06:22:46,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:46,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 311 interpolants. [2024-11-27 06:22:46,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18019, Invalid=78391, Unknown=0, NotChecked=0, Total=96410 [2024-11-27 06:22:46,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:46,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:46,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 311 states, 311 states have (on average 2.8231511254019295) internal successors, (878), 310 states have internal predecessors, (878), 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 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:22:46,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:22:46,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:22:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:22:47,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 06:22:47,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 06:22:47,559 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:22:47,559 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:47,560 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #8 [2024-11-27 06:22:47,560 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:47,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:47,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:22:47,560 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-27 06:22:47,560 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:22:47,560 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2024-11-27 06:22:47,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 579 [2024-11-27 06:22:47,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2024-11-27 06:22:47,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 585 [2024-11-27 06:22:47,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 588 [2024-11-27 06:22:47,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 590 [2024-11-27 06:22:47,562 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,562 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:47,562 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash -766668294, now seen corresponding path program 20 times [2024-11-27 06:22:47,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:47,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583519446] [2024-11-27 06:22:47,563 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:22:47,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:47,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:22:47,759 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14719 backedges. 13489 proven. 1195 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 06:23:22,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:22,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583519446] [2024-11-27 06:23:22,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583519446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:22,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734122159] [2024-11-27 06:23:22,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:23:22,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:22,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:22,150 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:22,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 06:23:22,795 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:23:22,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:22,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-27 06:23:22,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14719 backedges. 5560 proven. 370 refuted. 0 times theorem prover too weak. 8789 trivial. 0 not checked. [2024-11-27 06:23:29,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14719 backedges. 5630 proven. 300 refuted. 0 times theorem prover too weak. 8789 trivial. 0 not checked. [2024-11-27 06:23:37,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734122159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:37,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:37,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [206, 53, 53] total 308 [2024-11-27 06:23:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746357932] [2024-11-27 06:23:37,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:37,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 309 states [2024-11-27 06:23:37,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:37,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 309 interpolants. [2024-11-27 06:23:37,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18283, Invalid=76889, Unknown=0, NotChecked=0, Total=95172 [2024-11-27 06:23:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:37,687 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:37,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 309 states, 309 states have (on average 2.8284789644012944) internal successors, (874), 308 states have internal predecessors, (874), 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 06:23:37,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:37,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:37,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:37,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:23:37,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:23:37,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:23:37,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:23:37,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:23:38,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:23:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:23:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-27 06:23:38,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 06:23:38,343 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:23:38,343 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:38,343 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #9 [2024-11-27 06:23:38,343 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:38,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:38,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:23:38,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:38,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:23:38,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:38,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:23:38,344 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:38,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 577 [2024-11-27 06:23:38,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2024-11-27 06:23:38,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2024-11-27 06:23:38,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-11-27 06:23:38,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2024-11-27 06:23:38,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:38,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 591 [2024-11-27 06:23:38,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:38,345 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:38,345 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:38,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash 350979018, now seen corresponding path program 21 times [2024-11-27 06:23:38,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:38,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291095949] [2024-11-27 06:23:38,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:23:38,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:27:32,170 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 57 check-sat command(s) [2024-11-27 06:27:32,170 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:27:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14744 backedges. 11286 proven. 3423 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 06:27:41,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:27:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291095949] [2024-11-27 06:27:41,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291095949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:27:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059332058] [2024-11-27 06:27:41,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:27:41,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:27:41,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:27:41,625 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:27:41,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 06:28:23,408 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 57 check-sat command(s) [2024-11-27 06:28:23,408 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:23,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 2410 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-27 06:28:23,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14744 backedges. 14368 proven. 325 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-27 06:28:31,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14744 backedges. 14368 proven. 325 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-27 06:28:40,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059332058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:40,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:40,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 84, 84] total 263 [2024-11-27 06:28:40,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520445217] [2024-11-27 06:28:40,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:40,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-11-27 06:28:40,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:40,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-11-27 06:28:40,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12221, Invalid=57211, Unknown=0, NotChecked=0, Total=69432 [2024-11-27 06:28:40,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:40,155 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 6.291666666666667) internal successors, (1661), 263 states have internal predecessors, (1661), 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 06:28:40,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:28:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:28:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:28:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:28:40,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:28:40,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:28:40,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-27 06:28:41,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 06:28:41,047 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:28:41,047 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:28:41,048 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #10 [2024-11-27 06:28:41,048 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:28:41,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:28:41,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:28:41,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:41,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:28:41,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:41,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:28:41,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:41,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 604 [2024-11-27 06:28:41,049 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2024-11-27 06:28:41,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 610 [2024-11-27 06:28:41,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2024-11-27 06:28:41,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 616 [2024-11-27 06:28:41,050 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:41,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 618 [2024-11-27 06:28:41,050 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:41,050 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:28:41,050 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:41,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:41,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1225080314, now seen corresponding path program 22 times [2024-11-27 06:28:41,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:41,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895546673] [2024-11-27 06:28:41,052 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:28:41,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:41,185 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:28:41,185 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 15797 backedges. 13804 proven. 609 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2024-11-27 06:28:47,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:47,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895546673] [2024-11-27 06:28:47,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895546673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:47,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783114754] [2024-11-27 06:28:47,802 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:28:47,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:47,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:47,804 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:47,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 06:28:48,241 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:28:48,241 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:48,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 188 conjuncts are in the unsatisfiable core [2024-11-27 06:28:48,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15797 backedges. 0 proven. 14419 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-11-27 06:29:11,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15797 backedges. 6917 proven. 7502 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-11-27 06:29:21,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783114754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:21,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:21,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 189, 134] total 388 [2024-11-27 06:29:21,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450584584] [2024-11-27 06:29:21,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:21,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2024-11-27 06:29:21,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:21,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2024-11-27 06:29:21,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37596, Invalid=112560, Unknown=0, NotChecked=0, Total=150156 [2024-11-27 06:29:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:21,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:21,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 4.314432989690721) internal successors, (1674), 388 states have internal predecessors, (1674), 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 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:29:21,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:29:21,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-27 06:30:43,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 542 states. [2024-11-27 06:30:43,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-27 06:30:44,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-27 06:30:44,116 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-27 06:30:44,116 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:30:44,116 INFO L139 ounterexampleChecker]: Examining path program with hash -274222753, occurence #11 [2024-11-27 06:30:44,116 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:30:44,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:30:44,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-27 06:30:44,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:44,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-27 06:30:44,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:44,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:30:44,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 928 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 931 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 934 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 937 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 940 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 943 [2024-11-27 06:30:44,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 946 [2024-11-27 06:30:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 949 [2024-11-27 06:30:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 952 [2024-11-27 06:30:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 955 [2024-11-27 06:30:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 958 [2024-11-27 06:30:44,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 961 [2024-11-27 06:30:44,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 964 [2024-11-27 06:30:44,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:30:44,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2024-11-27 06:30:44,120 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:30:44,120 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:30:44,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:30:44,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:30:44,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1749467706, now seen corresponding path program 23 times [2024-11-27 06:30:44,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:30:44,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628864494] [2024-11-27 06:30:44,122 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:30:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:31:42,602 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 93 check-sat command(s) [2024-11-27 06:31:42,603 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:32:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 40147 backedges. 38506 proven. 1378 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-27 06:32:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:32:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628864494] [2024-11-27 06:32:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628864494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:32:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832150308] [2024-11-27 06:32:07,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:32:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:32:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:32:07,728 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:32:07,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e75814-04dc-4a61-92e5-1301296cd802/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process