./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.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_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/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_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/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_44f30e31-1572-4d56-a36e-41a5a6d512c6/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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:18:27,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:18:27,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:18:27,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:18:27,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:18:27,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:18:27,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:18:27,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:18:27,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:18:27,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:18:27,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:18:27,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:18:27,193 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:18:27,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:18:27,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:18:27,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:18:27,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:18:27,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:18:27,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:18:27,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:18:27,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:18:27,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:18:27,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:18:27,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:18:27,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:18:27,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:18:27,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:18:27,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:18:27,198 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:18:27,198 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:18:27,199 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:18:27,199 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_44f30e31-1572-4d56-a36e-41a5a6d512c6/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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe [2024-11-27 06:18:27,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:18:27,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:18:27,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:18:27,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:18:27,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:18:27,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-11-27 06:18:31,006 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/data/25a2dcf3f/5f53718d18c54bffa571f46e73d8fc5a/FLAGbbe3107a0 [2024-11-27 06:18:31,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:18:31,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2024-11-27 06:18:31,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/data/25a2dcf3f/5f53718d18c54bffa571f46e73d8fc5a/FLAGbbe3107a0 [2024-11-27 06:18:31,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/data/25a2dcf3f/5f53718d18c54bffa571f46e73d8fc5a [2024-11-27 06:18:31,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:18:31,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:18:31,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:18:31,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:18:31,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:18:31,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48199630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31, skipping insertion in model container [2024-11-27 06:18:31,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:18:31,754 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_44f30e31-1572-4d56-a36e-41a5a6d512c6/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-11-27 06:18:31,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:18:31,789 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:18:31,842 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_44f30e31-1572-4d56-a36e-41a5a6d512c6/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2024-11-27 06:18:31,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:18:31,887 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:18:31,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31 WrapperNode [2024-11-27 06:18:31,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:18:31,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:18:31,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:18:31,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:18:31,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,944 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 290 [2024-11-27 06:18:31,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:18:31,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:18:31,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:18:31,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:18:31,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:31,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:18:31,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:18:31,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:18:31,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:18:31,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (1/1) ... [2024-11-27 06:18:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:18:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:32,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:18:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:18:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:18:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:18:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:18:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:18:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:18:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:18:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:18:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:18:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:18:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-27 06:18:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-27 06:18:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:18:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:18:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:18:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:18:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:18:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:18:32,093 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 06:18:32,279 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:18:32,282 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:18:33,037 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:18:33,037 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:18:33,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:18:33,694 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 06:18:33,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:18:33 BoogieIcfgContainer [2024-11-27 06:18:33,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:18:33,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:18:33,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:18:33,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:18:33,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:18:31" (1/3) ... [2024-11-27 06:18:33,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf464cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:18:33, skipping insertion in model container [2024-11-27 06:18:33,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:18:31" (2/3) ... [2024-11-27 06:18:33,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf464cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:18:33, skipping insertion in model container [2024-11-27 06:18:33,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:18:33" (3/3) ... [2024-11-27 06:18:33,707 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-11-27 06:18:33,726 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:18:33,728 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-27 06:18:33,728 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:18:33,838 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-27 06:18:33,902 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:18:33,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:18:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:33,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:18:33,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:18:34,045 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:18:34,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:18:34,079 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;@7a121842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:18:34,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-27 06:18:36,340 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 2 more)] === [2024-11-27 06:18:36,340 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:36,342 INFO L139 ounterexampleChecker]: Examining path program with hash 735241045, occurence #1 [2024-11-27 06:18:36,342 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:36,342 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:36,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1890904776, now seen corresponding path program 1 times [2024-11-27 06:18:36,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988553196] [2024-11-27 06:18:36,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:36,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:38,313 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 06:18:38,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:38,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988553196] [2024-11-27 06:18:38,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988553196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:38,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:38,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:18:38,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358089665] [2024-11-27 06:18:38,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:38,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:18:38,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:38,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:18:38,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:18:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:38,360 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:38,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 06:18:38,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:38,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:18:38,641 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 2 more)] === [2024-11-27 06:18:38,641 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:38,642 INFO L139 ounterexampleChecker]: Examining path program with hash 735241045, occurence #2 [2024-11-27 06:18:38,642 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:38,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:38,643 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:38,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:18:38,643 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:38,643 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:18:38,664 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:38,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:18:38,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:38,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:18:38,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:38,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:18:38,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:38,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-27 06:18:38,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:38,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2133253688, now seen corresponding path program 1 times [2024-11-27 06:18:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:38,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390954999] [2024-11-27 06:18:38,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:39,290 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:39,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390954999] [2024-11-27 06:18:39,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390954999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:39,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:39,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:18:39,295 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-11-27 06:18:39,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:39,296 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-27 06:18:39,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:18:39,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-27 06:18:39,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:18:39,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:18:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:39,301 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:39,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:18:39,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:39,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:39,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:39,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:18:39,499 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 2 more)] === [2024-11-27 06:18:39,499 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:39,500 INFO L139 ounterexampleChecker]: Examining path program with hash 735241045, occurence #3 [2024-11-27 06:18:39,500 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:39,500 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:39,500 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:39,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:18:39,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:39,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:18:39,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:39,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:18:39,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:39,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:18:39,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:39,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:18:39,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:39,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-27 06:18:39,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:39,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1854995382, now seen corresponding path program 1 times [2024-11-27 06:18:39,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:39,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728477146] [2024-11-27 06:18:39,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:39,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:40,207 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:40,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728477146] [2024-11-27 06:18:40,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728477146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:40,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [740730977] [2024-11-27 06:18:40,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:40,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:40,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:40,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [740730977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:40,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:40,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-27 06:18:40,502 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:40,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-27 06:18:40,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash -302512927, now seen corresponding path program 1 times [2024-11-27 06:18:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977927626] [2024-11-27 06:18:40,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:40,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:41,138 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:41,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977927626] [2024-11-27 06:18:41,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977927626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:41,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1092192822] [2024-11-27 06:18:41,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:41,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:41,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:41,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1092192822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:41,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-27 06:18:41,510 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:41,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-27 06:18:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1658868794, now seen corresponding path program 1 times [2024-11-27 06:18:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:41,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890431811] [2024-11-27 06:18:41,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:42,251 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890431811] [2024-11-27 06:18:42,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890431811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1460710832] [2024-11-27 06:18:42,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:42,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:42,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:42,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1460710832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:42,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:42,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-27 06:18:42,530 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:42,530 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-11-27 06:18:42,530 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-11-27 06:18:42,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-27 06:18:42,530 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:42,530 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:42,530 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:42,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:42,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1691801724, now seen corresponding path program 1 times [2024-11-27 06:18:42,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:42,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021617137] [2024-11-27 06:18:42,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:43,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021617137] [2024-11-27 06:18:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021617137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197238448] [2024-11-27 06:18:43,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:43,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:43,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:43,544 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:43,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:18:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:43,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:43,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:44,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:44,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197238448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:44,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:44,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-27 06:18:44,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137304662] [2024-11-27 06:18:44,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:44,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 06:18:44,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:44,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 06:18:44,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-27 06:18:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:44,341 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:44,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 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 06:18:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:44,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:18:44,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 06:18:44,910 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 2 more)] === [2024-11-27 06:18:44,910 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:44,910 INFO L139 ounterexampleChecker]: Examining path program with hash 735241045, occurence #4 [2024-11-27 06:18:44,910 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:44,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:44,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:18:44,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:18:44,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:18:44,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:18:44,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:18:44,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:44,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-27 06:18:45,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:45,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1274993592, now seen corresponding path program 1 times [2024-11-27 06:18:45,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:45,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456071553] [2024-11-27 06:18:45,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:45,481 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456071553] [2024-11-27 06:18:45,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456071553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:45,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [741629276] [2024-11-27 06:18:45,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:45,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:45,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:45,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [741629276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:45,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:45,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-27 06:18:45,835 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:45,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-27 06:18:45,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:45,873 INFO L85 PathProgramCache]: Analyzing trace with hash 519345685, now seen corresponding path program 1 times [2024-11-27 06:18:45,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:45,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392943500] [2024-11-27 06:18:45,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:46,324 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:46,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392943500] [2024-11-27 06:18:46,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392943500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:46,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1035945004] [2024-11-27 06:18:46,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:46,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:46,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:46,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:46,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1035945004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:46,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:46,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-27 06:18:46,630 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:46,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-27 06:18:46,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:46,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2110092690, now seen corresponding path program 1 times [2024-11-27 06:18:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:46,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182757853] [2024-11-27 06:18:46,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:46,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:47,207 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:47,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182757853] [2024-11-27 06:18:47,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182757853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:47,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1975237449] [2024-11-27 06:18:47,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:47,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:47,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:47,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:47,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1975237449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:47,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:47,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-27 06:18:47,549 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:47,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-11-27 06:18:47,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-11-27 06:18:47,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-11-27 06:18:47,550 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:47,550 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:47,550 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:47,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1935247601, now seen corresponding path program 2 times [2024-11-27 06:18:47,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:47,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985331585] [2024-11-27 06:18:47,552 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:18:47,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:47,652 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:18:47,652 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 06:18:49,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:49,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985331585] [2024-11-27 06:18:49,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985331585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:49,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:49,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 06:18:49,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724130059] [2024-11-27 06:18:49,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:49,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 06:18:49,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:49,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 06:18:49,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-27 06:18:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:49,060 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:49,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 12 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 06:18:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:49,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:49,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:49,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-11-27 06:18:49,531 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 2 more)] === [2024-11-27 06:18:49,531 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:49,532 INFO L139 ounterexampleChecker]: Examining path program with hash 1784808274, occurence #1 [2024-11-27 06:18:49,534 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:49,535 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:49,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:49,535 INFO L85 PathProgramCache]: Analyzing trace with hash -284760085, now seen corresponding path program 3 times [2024-11-27 06:18:49,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:49,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767712847] [2024-11-27 06:18:49,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:18:49,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:49,599 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 06:18:49,599 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 06:18:49,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:49,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767712847] [2024-11-27 06:18:49,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767712847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:18:49,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:18:49,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 06:18:49,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547734840] [2024-11-27 06:18:49,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:18:49,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 06:18:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:49,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 06:18:49,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-27 06:18:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:49,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:49,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 06:18:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:51,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 06:18:51,013 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 2 more)] === [2024-11-27 06:18:51,013 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:51,013 INFO L139 ounterexampleChecker]: Examining path program with hash -2138325980, occurence #1 [2024-11-27 06:18:51,013 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:18:51,013 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:51,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:51,014 INFO L85 PathProgramCache]: Analyzing trace with hash 973517668, now seen corresponding path program 4 times [2024-11-27 06:18:51,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:51,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167432214] [2024-11-27 06:18:51,014 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:18:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:51,115 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:18:51,115 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:18:51,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:51,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167432214] [2024-11-27 06:18:51,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167432214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:51,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222544503] [2024-11-27 06:18:51,954 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:18:51,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:51,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:51,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:18:52,168 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:18:52,168 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:52,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:18:52,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:18:53,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 06:18:53,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222544503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:53,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:53,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2024-11-27 06:18:53,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61726677] [2024-11-27 06:18:53,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:53,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-27 06:18:53,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:53,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-27 06:18:53,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=1252, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 06:18:53,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:53,960 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:53,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.279069767441861) internal successors, (356), 42 states have internal predecessors, (356), 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 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:53,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:18:54,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:18:54,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 06:18:54,649 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 2 more)] === [2024-11-27 06:18:54,649 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:18:54,650 INFO L139 ounterexampleChecker]: Examining path program with hash -2138325980, occurence #2 [2024-11-27 06:18:54,650 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:18:54,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:18:54,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:54,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:18:54,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:54,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:18:54,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:18:54,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:18:54,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:18:54,651 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:54,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-27 06:18:54,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:54,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1127125, now seen corresponding path program 1 times [2024-11-27 06:18:54,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:54,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305853413] [2024-11-27 06:18:54,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:54,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:55,534 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305853413] [2024-11-27 06:18:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305853413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:55,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1974746869] [2024-11-27 06:18:55,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:55,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:55,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:18:55,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:18:56,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1974746869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:56,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:56,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-11-27 06:18:56,427 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:56,428 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 114 is hopeless, skipping. [2024-11-27 06:18:56,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-27 06:18:56,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:56,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-27 06:18:56,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:56,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1944833327, now seen corresponding path program 1 times [2024-11-27 06:18:56,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:18:56,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609163713] [2024-11-27 06:18:56,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:56,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-27 06:18:56,912 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:18:56,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609163713] [2024-11-27 06:18:56,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609163713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:56,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1205523269] [2024-11-27 06:18:56,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:18:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:18:56,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:18:56,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-27 06:18:57,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1205523269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:57,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:18:57,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-27 06:18:57,137 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:18:57,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-27 06:18:57,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-11-27 06:18:57,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:18:57,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-27 06:18:57,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:18:57,138 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:18:57,138 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:18:57,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:18:57,138 INFO L85 PathProgramCache]: Analyzing trace with hash -37824988, now seen corresponding path program 5 times [2024-11-27 06:18:57,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:18:57,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233903174] [2024-11-27 06:18:57,139 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:18:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:18:57,593 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-27 06:18:57,593 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 06:18:58,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:18:58,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233903174] [2024-11-27 06:18:58,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233903174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:18:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851244382] [2024-11-27 06:18:58,674 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:18:58,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:18:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:18:58,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:18:58,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:18:59,045 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-27 06:18:59,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:18:59,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:18:59,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:18:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 06:18:59,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:18:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 06:18:59,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851244382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:18:59,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:18:59,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7, 7] total 29 [2024-11-27 06:18:59,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324342048] [2024-11-27 06:18:59,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:18:59,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 06:18:59,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:18:59,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 06:18:59,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2024-11-27 06:18:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:18:59,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:18:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.03448275862069) internal successors, (262), 29 states have internal predecessors, (262), 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 06:18:59,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:59,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:18:59,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:59,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:18:59,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:18:59,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:18:59,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:00,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:19:00,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-11-27 06:19:00,444 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 2 more)] === [2024-11-27 06:19:00,444 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:00,444 INFO L139 ounterexampleChecker]: Examining path program with hash -2138325980, occurence #3 [2024-11-27 06:19:00,444 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:00,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:00,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:00,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:19:00,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:00,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:19:00,445 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:00,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:19:00,445 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:00,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:19:00,445 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:00,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:19:00,445 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:00,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-11-27 06:19:00,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1736496496, now seen corresponding path program 1 times [2024-11-27 06:19:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770844072] [2024-11-27 06:19:00,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 06:19:01,257 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:01,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770844072] [2024-11-27 06:19:01,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770844072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:01,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1423145835] [2024-11-27 06:19:01,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:01,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 06:19:01,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 06:19:01,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1423145835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:01,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:01,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-11-27 06:19:01,906 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:01,906 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-11-27 06:19:01,906 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-27 06:19:01,906 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:01,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-27 06:19:01,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash -621367168, now seen corresponding path program 1 times [2024-11-27 06:19:01,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:01,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936323984] [2024-11-27 06:19:01,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 20 proven. 57 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:19:02,999 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:02,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936323984] [2024-11-27 06:19:02,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936323984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:02,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1779591048] [2024-11-27 06:19:02,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:02,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:03,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 06:19:03,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 48 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 06:19:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1779591048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:04,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:04,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-27 06:19:04,124 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:04,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:19:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-11-27 06:19:04,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:04,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-27 06:19:04,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:04,125 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:04,125 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:04,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:04,125 INFO L85 PathProgramCache]: Analyzing trace with hash -874406737, now seen corresponding path program 6 times [2024-11-27 06:19:04,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:04,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047437654] [2024-11-27 06:19:04,126 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:04,264 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-27 06:19:04,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-27 06:19:04,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:04,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047437654] [2024-11-27 06:19:04,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047437654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:04,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:19:04,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 06:19:04,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746712050] [2024-11-27 06:19:04,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:04,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:19:04,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:04,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:19:04,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:19:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:04,772 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:04,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:04,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:08,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:08,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-11-27 06:19:08,720 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 2 more)] === [2024-11-27 06:19:08,720 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:08,720 INFO L139 ounterexampleChecker]: Examining path program with hash -837659273, occurence #1 [2024-11-27 06:19:08,720 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:08,720 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:08,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:08,721 INFO L85 PathProgramCache]: Analyzing trace with hash -6391419, now seen corresponding path program 7 times [2024-11-27 06:19:08,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:08,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756610818] [2024-11-27 06:19:08,721 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 158 proven. 184 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-27 06:19:10,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:10,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756610818] [2024-11-27 06:19:10,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756610818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:10,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767507463] [2024-11-27 06:19:10,470 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:10,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:10,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:10,473 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:10,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:19:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:10,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 06:19:10,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-27 06:19:11,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:19:11,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767507463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:11,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:19:11,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2024-11-27 06:19:11,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578603294] [2024-11-27 06:19:11,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:11,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:19:11,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:11,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:19:11,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-27 06:19:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:11,016 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:11,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:11,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:11,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:14,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:14,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 06:19:14,251 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 2 more)] === [2024-11-27 06:19:14,251 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:14,252 INFO L139 ounterexampleChecker]: Examining path program with hash -566803892, occurence #1 [2024-11-27 06:19:14,252 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:14,252 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:14,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:14,252 INFO L85 PathProgramCache]: Analyzing trace with hash -670816169, now seen corresponding path program 8 times [2024-11-27 06:19:14,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:14,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411681787] [2024-11-27 06:19:14,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:14,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:14,452 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:14,452 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 14 proven. 133 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-27 06:19:15,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:15,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411681787] [2024-11-27 06:19:15,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411681787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:15,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817811746] [2024-11-27 06:19:15,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:15,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:15,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:15,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:19:16,002 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:16,002 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:16,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 06:19:16,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 108 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-27 06:19:16,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 102 proven. 12 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-27 06:19:17,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817811746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:17,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:17,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 33 [2024-11-27 06:19:17,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510448919] [2024-11-27 06:19:17,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:17,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-27 06:19:17,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:17,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-27 06:19:17,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=899, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 06:19:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:17,074 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:17,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.333333333333333) internal successors, (242), 33 states have internal predecessors, (242), 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 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:17,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:17,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:17,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:19:17,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:17,811 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 2 more)] === [2024-11-27 06:19:17,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:17,812 INFO L139 ounterexampleChecker]: Examining path program with hash -566803892, occurence #2 [2024-11-27 06:19:17,812 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:17,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:17,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:17,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:19:17,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:17,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:19:17,812 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:17,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:19:17,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:17,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:19:17,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:17,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:19:17,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:17,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-27 06:19:17,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:17,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1385095416, now seen corresponding path program 1 times [2024-11-27 06:19:17,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:17,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019181037] [2024-11-27 06:19:17,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:17,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-27 06:19:18,561 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:18,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019181037] [2024-11-27 06:19:18,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019181037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:18,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [409357979] [2024-11-27 06:19:18,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:18,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 06:19:18,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:19,222 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-27 06:19:19,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [409357979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:19,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:19,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-27 06:19:19,223 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:19,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-11-27 06:19:19,223 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:19,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-27 06:19:19,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:19,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1449925551, now seen corresponding path program 1 times [2024-11-27 06:19:19,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:19,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741054466] [2024-11-27 06:19:19,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 33 proven. 87 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-27 06:19:20,185 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:20,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741054466] [2024-11-27 06:19:20,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741054466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:20,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1300880344] [2024-11-27 06:19:20,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:20,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 06:19:20,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 109 proven. 11 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-27 06:19:20,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1300880344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:20,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:20,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-27 06:19:20,901 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:20,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-11-27 06:19:20,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:20,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-27 06:19:20,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:20,902 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:20,902 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:20,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:20,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1244467613, now seen corresponding path program 9 times [2024-11-27 06:19:20,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:20,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253972312] [2024-11-27 06:19:20,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:21,027 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 06:19:21,029 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-11-27 06:19:21,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:21,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253972312] [2024-11-27 06:19:21,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253972312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:21,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:19:21,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 06:19:21,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213206757] [2024-11-27 06:19:21,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:21,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 06:19:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:21,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 06:19:21,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 06:19:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:21,545 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:21,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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 06:19:21,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:21,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:21,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:21,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:21,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:21,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:22,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-11-27 06:19:22,505 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 2 more)] === [2024-11-27 06:19:22,505 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:22,505 INFO L139 ounterexampleChecker]: Examining path program with hash 2049685023, occurence #1 [2024-11-27 06:19:22,505 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:22,505 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:22,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:22,506 INFO L85 PathProgramCache]: Analyzing trace with hash 722733990, now seen corresponding path program 10 times [2024-11-27 06:19:22,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:22,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998628414] [2024-11-27 06:19:22,506 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:22,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:22,617 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:22,617 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 155 proven. 44 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 06:19:23,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998628414] [2024-11-27 06:19:23,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998628414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809172712] [2024-11-27 06:19:23,914 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:19:23,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:23,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:23,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:19:24,263 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:19:24,263 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:24,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:19:24,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 163 proven. 36 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 06:19:25,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 150 proven. 49 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 06:19:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809172712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:27,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:27,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 66 [2024-11-27 06:19:27,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027410998] [2024-11-27 06:19:27,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:27,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-27 06:19:27,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:27,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-27 06:19:27,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1082, Invalid=3340, Unknown=0, NotChecked=0, Total=4422 [2024-11-27 06:19:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:27,092 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:27,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.343283582089552) internal successors, (492), 66 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 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:27,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:27,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:27,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 06:19:28,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-27 06:19:28,025 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 2 more)] === [2024-11-27 06:19:28,025 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:28,026 INFO L139 ounterexampleChecker]: Examining path program with hash 2049685023, occurence #2 [2024-11-27 06:19:28,026 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:28,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:28,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:28,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:19:28,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:28,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:19:28,027 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:28,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:19:28,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:28,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:28,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:28,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:19:28,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:28,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-27 06:19:28,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:28,178 INFO L85 PathProgramCache]: Analyzing trace with hash 741433299, now seen corresponding path program 1 times [2024-11-27 06:19:28,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:28,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076959254] [2024-11-27 06:19:28,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:28,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-27 06:19:28,903 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:28,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076959254] [2024-11-27 06:19:28,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076959254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:28,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1918232564] [2024-11-27 06:19:28,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:28,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:28,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 06:19:28,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-27 06:19:29,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1918232564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:29,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:29,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-27 06:19:29,514 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:29,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-27 06:19:29,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:29,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:19:29,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:29,558 INFO L85 PathProgramCache]: Analyzing trace with hash 74852380, now seen corresponding path program 1 times [2024-11-27 06:19:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:29,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633711763] [2024-11-27 06:19:29,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 33 proven. 87 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 06:19:30,624 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:30,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633711763] [2024-11-27 06:19:30,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633711763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:30,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [968378446] [2024-11-27 06:19:30,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:30,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:30,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 06:19:30,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 109 proven. 11 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 06:19:31,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [968378446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:31,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:31,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-27 06:19:31,350 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:31,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-27 06:19:31,350 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:31,350 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:31,350 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:31,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:31,351 INFO L85 PathProgramCache]: Analyzing trace with hash 739390299, now seen corresponding path program 11 times [2024-11-27 06:19:31,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:31,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572910820] [2024-11-27 06:19:31,352 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:31,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:31,761 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-27 06:19:31,762 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:19:32,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:32,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572910820] [2024-11-27 06:19:32,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572910820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:32,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162930084] [2024-11-27 06:19:32,703 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:19:32,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:32,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:32,707 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:32,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:19:34,798 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-27 06:19:34,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:34,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:19:34,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 112 proven. 50 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:19:35,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 132 proven. 30 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 06:19:36,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162930084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:36,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:36,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 44 [2024-11-27 06:19:36,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348580925] [2024-11-27 06:19:36,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:36,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-27 06:19:36,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:36,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-27 06:19:36,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=1359, Unknown=0, NotChecked=0, Total=1892 [2024-11-27 06:19:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:36,694 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:36,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 8.590909090909092) internal successors, (378), 44 states have internal predecessors, (378), 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 06:19:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:36,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:36,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:37,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:37,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:37,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:37,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-27 06:19:37,934 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 2 more)] === [2024-11-27 06:19:37,934 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:37,934 INFO L139 ounterexampleChecker]: Examining path program with hash 2049685023, occurence #3 [2024-11-27 06:19:37,934 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:19:37,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:19:37,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:19:37,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:19:37,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:19:37,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:19:37,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:19:37,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:37,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-27 06:19:38,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:38,041 INFO L85 PathProgramCache]: Analyzing trace with hash 697765925, now seen corresponding path program 1 times [2024-11-27 06:19:38,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:38,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177694869] [2024-11-27 06:19:38,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:38,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:19:38,702 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:19:38,702 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:19:38,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:19:38,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:19:38,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-27 06:19:38,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:38,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1173481362, now seen corresponding path program 1 times [2024-11-27 06:19:38,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:19:38,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976881691] [2024-11-27 06:19:38,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 50 proven. 139 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-27 06:19:40,082 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:19:40,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976881691] [2024-11-27 06:19:40,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976881691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:40,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [233484463] [2024-11-27 06:19:40,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:19:40,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:40,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:19:40,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 97 proven. 92 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-27 06:19:41,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [233484463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:41,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:19:41,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-11-27 06:19:41,191 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:19:41,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-27 06:19:41,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:19:41,192 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:19:41,192 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:41,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:41,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1607519003, now seen corresponding path program 12 times [2024-11-27 06:19:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990859870] [2024-11-27 06:19:41,193 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:41,380 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:19:41,380 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 06:19:41,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:41,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990859870] [2024-11-27 06:19:41,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990859870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:41,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125554148] [2024-11-27 06:19:41,767 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:19:41,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:41,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:41,770 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:41,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:19:42,266 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:19:42,266 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:42,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 06:19:42,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 06:19:42,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 06:19:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125554148] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:42,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 15 [2024-11-27 06:19:42,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387547258] [2024-11-27 06:19:42,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:42,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 06:19:42,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:42,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 06:19:42,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-27 06:19:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:42,782 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:42,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.8) internal successors, (147), 15 states have internal predecessors, (147), 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 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:42,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:42,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:42,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:42,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:42,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:19:48,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:48,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44 [2024-11-27 06:19:48,220 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 2 more)] === [2024-11-27 06:19:48,220 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:48,221 INFO L139 ounterexampleChecker]: Examining path program with hash -163297937, occurence #1 [2024-11-27 06:19:48,221 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:48,221 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:48,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:48,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1082841601, now seen corresponding path program 13 times [2024-11-27 06:19:48,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:48,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798355980] [2024-11-27 06:19:48,222 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:48,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 748 proven. 326 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-27 06:19:51,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:51,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798355980] [2024-11-27 06:19:51,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798355980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:51,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387458508] [2024-11-27 06:19:51,183 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:19:51,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:51,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:51,186 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:51,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:19:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:19:51,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 06:19:51,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2024-11-27 06:19:52,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 06:19:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387458508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:19:52,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 06:19:52,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [20] total 22 [2024-11-27 06:19:52,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703833216] [2024-11-27 06:19:52,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:19:52,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:19:52,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:52,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:19:52,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2024-11-27 06:19:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:52,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:52,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:52,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:52,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:52,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:52,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:19:52,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:19:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:53,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 06:19:53,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-27 06:19:53,827 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 2 more)] === [2024-11-27 06:19:53,827 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:53,827 INFO L139 ounterexampleChecker]: Examining path program with hash 111979128, occurence #1 [2024-11-27 06:19:53,827 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:53,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:53,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:53,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1843158708, now seen corresponding path program 14 times [2024-11-27 06:19:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:53,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509230055] [2024-11-27 06:19:53,828 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:54,159 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:54,159 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 176 proven. 617 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-27 06:19:56,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:19:56,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509230055] [2024-11-27 06:19:56,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509230055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:19:56,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025542117] [2024-11-27 06:19:56,808 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:19:56,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:56,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:19:56,810 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:19:56,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:19:57,297 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:19:57,297 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:19:57,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:19:57,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:19:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 494 proven. 52 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-11-27 06:19:57,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:19:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 467 proven. 106 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-27 06:19:58,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025542117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:19:58,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:19:58,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 4, 16] total 47 [2024-11-27 06:19:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222405102] [2024-11-27 06:19:58,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:19:58,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 06:19:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:19:58,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 06:19:58,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=1906, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 06:19:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:58,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:19:58,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.583333333333334) internal successors, (412), 47 states have internal predecessors, (412), 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 06:19:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:58,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:19:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:19:59,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:19:59,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:19:59,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:19:59,715 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 2 more)] === [2024-11-27 06:19:59,715 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:19:59,715 INFO L139 ounterexampleChecker]: Examining path program with hash 178120019, occurence #1 [2024-11-27 06:19:59,715 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:19:59,715 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:19:59,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:19:59,715 INFO L85 PathProgramCache]: Analyzing trace with hash -696279046, now seen corresponding path program 15 times [2024-11-27 06:19:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:19:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110793329] [2024-11-27 06:19:59,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:19:59,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:19:59,845 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:19:59,845 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-27 06:20:00,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:00,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110793329] [2024-11-27 06:20:00,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110793329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:20:00,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:20:00,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:20:00,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088036514] [2024-11-27 06:20:00,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:20:00,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:20:00,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:00,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:20:00,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:20:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:00,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:00,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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 06:20:00,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:00,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:00,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:00,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:00,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:00,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-27 06:20:00,764 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 2 more)] === [2024-11-27 06:20:00,764 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:00,765 INFO L139 ounterexampleChecker]: Examining path program with hash -825695645, occurence #1 [2024-11-27 06:20:00,765 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:20:00,765 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:00,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:00,765 INFO L85 PathProgramCache]: Analyzing trace with hash -536220256, now seen corresponding path program 16 times [2024-11-27 06:20:00,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:00,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19486502] [2024-11-27 06:20:00,765 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:20:00,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:00,916 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:20:00,916 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 256 proven. 115 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-27 06:20:02,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:02,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19486502] [2024-11-27 06:20:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19486502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:02,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100252043] [2024-11-27 06:20:02,471 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:20:02,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:02,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:02,473 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:02,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:20:02,863 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:20:02,863 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:02,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 06:20:02,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 266 proven. 105 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-27 06:20:04,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 254 proven. 117 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-27 06:20:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100252043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:06,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:06,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 93 [2024-11-27 06:20:06,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741933836] [2024-11-27 06:20:06,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:06,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-11-27 06:20:06,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:06,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-11-27 06:20:06,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1877, Invalid=6865, Unknown=0, NotChecked=0, Total=8742 [2024-11-27 06:20:06,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:06,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:06,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.595744680851064) internal successors, (620), 93 states have internal predecessors, (620), 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 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:06,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:06,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:07,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 06:20:07,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-27 06:20:07,528 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 2 more)] === [2024-11-27 06:20:07,528 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:07,528 INFO L139 ounterexampleChecker]: Examining path program with hash -825695645, occurence #2 [2024-11-27 06:20:07,528 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:07,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:20:07,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:07,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:20:07,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:07,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:20:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-27 06:20:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:20:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-27 06:20:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-27 06:20:07,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:07,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1263521876, now seen corresponding path program 1 times [2024-11-27 06:20:07,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:07,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301054714] [2024-11-27 06:20:07,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:07,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:08,676 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301054714] [2024-11-27 06:20:08,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301054714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1045315819] [2024-11-27 06:20:08,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:08,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:20:08,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:09,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1045315819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:09,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:09,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-11-27 06:20:09,739 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:09,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-27 06:20:09,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:09,783 INFO L85 PathProgramCache]: Analyzing trace with hash -2047238307, now seen corresponding path program 1 times [2024-11-27 06:20:09,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:09,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365827793] [2024-11-27 06:20:09,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 06:20:10,762 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365827793] [2024-11-27 06:20:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365827793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1019303544] [2024-11-27 06:20:10,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:10,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:20:10,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 06:20:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1019303544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:11,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:11,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-11-27 06:20:11,844 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:11,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-11-27 06:20:11,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash -301642606, now seen corresponding path program 1 times [2024-11-27 06:20:11,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:11,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761294498] [2024-11-27 06:20:11,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:11,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 06:20:12,947 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:12,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761294498] [2024-11-27 06:20:12,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761294498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:12,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1516344134] [2024-11-27 06:20:12,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:12,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:13,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:20:13,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 06:20:14,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1516344134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:14,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:14,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-11-27 06:20:14,179 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:14,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-11-27 06:20:14,179 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:14,179 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:14,180 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:14,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1627452672, now seen corresponding path program 17 times [2024-11-27 06:20:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:14,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221772034] [2024-11-27 06:20:14,181 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:20:14,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:14,978 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-27 06:20:14,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 232 proven. 61 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-27 06:20:16,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:16,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221772034] [2024-11-27 06:20:16,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221772034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:16,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846176997] [2024-11-27 06:20:16,287 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:20:16,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:16,290 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:20:30,202 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-27 06:20:30,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:30,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 06:20:30,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 244 proven. 36 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-27 06:20:31,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 102 proven. 178 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-27 06:20:32,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846176997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:32,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:32,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 55 [2024-11-27 06:20:32,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130336225] [2024-11-27 06:20:32,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:32,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 06:20:32,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:32,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 06:20:32,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=640, Invalid=2330, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 06:20:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:32,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:32,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.454545454545454) internal successors, (410), 55 states have internal predecessors, (410), 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 06:20:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:32,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:32,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:32,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:32,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:32,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:32,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:32,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 06:20:32,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-27 06:20:32,501 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 2 more)] === [2024-11-27 06:20:32,501 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:32,502 INFO L139 ounterexampleChecker]: Examining path program with hash -825695645, occurence #3 [2024-11-27 06:20:32,502 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:20:32,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:20:32,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:20:32,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:20:32,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:20:32,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:32,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-27 06:20:32,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:32,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-11-27 06:20:32,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:32,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1666412774, now seen corresponding path program 1 times [2024-11-27 06:20:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:32,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388560322] [2024-11-27 06:20:32,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 156 proven. 148 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-27 06:20:33,595 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:33,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388560322] [2024-11-27 06:20:33,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388560322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:33,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1345400672] [2024-11-27 06:20:33,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:33,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:20:33,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 222 proven. 82 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-27 06:20:34,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1345400672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:34,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:34,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2024-11-27 06:20:34,806 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:34,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-11-27 06:20:34,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:34,852 INFO L85 PathProgramCache]: Analyzing trace with hash -385749891, now seen corresponding path program 1 times [2024-11-27 06:20:34,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:34,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173478431] [2024-11-27 06:20:34,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 156 proven. 148 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:36,043 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:36,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173478431] [2024-11-27 06:20:36,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173478431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:36,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1370120827] [2024-11-27 06:20:36,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:36,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:20:36,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 222 proven. 82 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1370120827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:37,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:37,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2024-11-27 06:20:37,229 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:37,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-27 06:20:37,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:37,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1339117582, now seen corresponding path program 1 times [2024-11-27 06:20:37,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:20:37,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139244751] [2024-11-27 06:20:37,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:37,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 156 proven. 148 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:38,365 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:20:38,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139244751] [2024-11-27 06:20:38,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139244751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:38,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [519190690] [2024-11-27 06:20:38,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:20:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:38,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:20:38,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 222 proven. 82 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-27 06:20:39,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [519190690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:39,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:20:39,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2024-11-27 06:20:39,450 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:20:39,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-11-27 06:20:39,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:20:39,450 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:20:39,450 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:39,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1933480553, now seen corresponding path program 18 times [2024-11-27 06:20:39,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:39,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259179554] [2024-11-27 06:20:39,451 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:20:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:39,595 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:20:39,595 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-27 06:20:39,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:39,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259179554] [2024-11-27 06:20:39,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259179554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:39,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755877198] [2024-11-27 06:20:39,860 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:20:39,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:39,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:39,864 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:39,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 06:20:40,281 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-27 06:20:40,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:20:40,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 06:20:40,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-27 06:20:40,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-27 06:20:40,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755877198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:40,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:40,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-11-27 06:20:40,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904601299] [2024-11-27 06:20:40,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:40,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 06:20:40,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:40,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 06:20:40,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-27 06:20:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:40,782 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:40,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:20:40,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:40,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:40,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:40,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:40,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:40,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:40,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:40,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:40,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:43,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:43,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 06:20:43,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:43,461 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 2 more)] === [2024-11-27 06:20:43,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:20:43,462 INFO L139 ounterexampleChecker]: Examining path program with hash 1574407636, occurence #1 [2024-11-27 06:20:43,462 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:20:43,462 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:20:43,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:20:43,462 INFO L85 PathProgramCache]: Analyzing trace with hash 973089274, now seen corresponding path program 19 times [2024-11-27 06:20:43,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:20:43,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075411992] [2024-11-27 06:20:43,462 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:20:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:20:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 31 proven. 122 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-27 06:20:45,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:20:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075411992] [2024-11-27 06:20:45,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075411992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:20:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691786109] [2024-11-27 06:20:45,447 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:20:45,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:20:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:20:45,449 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:20:45,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 06:20:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:20:45,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-27 06:20:45,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:20:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 186 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-27 06:20:47,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:20:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-27 06:20:47,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691786109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:20:47,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:20:47,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26, 16] total 56 [2024-11-27 06:20:47,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168596506] [2024-11-27 06:20:47,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:20:47,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-27 06:20:47,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:20:47,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-27 06:20:47,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=2823, Unknown=0, NotChecked=0, Total=3192 [2024-11-27 06:20:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:20:47,926 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:20:47,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.526315789473684) internal successors, (372), 56 states have internal predecessors, (372), 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 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:47,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:20:47,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 557 states. [2024-11-27 06:21:27,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 06:21:27,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:27,892 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 2 more)] === [2024-11-27 06:21:27,892 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:27,892 INFO L139 ounterexampleChecker]: Examining path program with hash 2034871483, occurence #1 [2024-11-27 06:21:27,892 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:21:27,892 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:21:27,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1501419713, now seen corresponding path program 20 times [2024-11-27 06:21:27,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:21:27,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517309579] [2024-11-27 06:21:27,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:21:27,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:28,220 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:21:28,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 45 proven. 430 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-11-27 06:21:29,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:21:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517309579] [2024-11-27 06:21:29,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517309579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:29,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683116517] [2024-11-27 06:21:29,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:21:29,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:29,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:21:29,715 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:21:29,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 06:21:30,249 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:21:30,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:30,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 06:21:30,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 872 proven. 45 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-27 06:21:31,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:21:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1144 backedges. 767 proven. 150 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-27 06:21:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683116517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:21:32,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:21:32,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2024-11-27 06:21:32,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047143569] [2024-11-27 06:21:32,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:21:32,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-27 06:21:32,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:21:32,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-27 06:21:32,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2830, Unknown=0, NotChecked=0, Total=3540 [2024-11-27 06:21:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:32,172 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:21:32,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 7.15) internal successors, (429), 60 states have internal predecessors, (429), 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 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 557 states. [2024-11-27 06:21:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 557 states. [2024-11-27 06:21:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:32,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 06:21:32,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-27 06:21:32,933 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 2 more)] === [2024-11-27 06:21:32,933 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:32,933 INFO L139 ounterexampleChecker]: Examining path program with hash 2034871483, occurence #2 [2024-11-27 06:21:32,933 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:21:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:21:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:21:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-27 06:21:32,933 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:21:32,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-27 06:21:32,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-27 06:21:32,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2024-11-27 06:21:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-11-27 06:21:32,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:32,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1923242065, now seen corresponding path program 1 times [2024-11-27 06:21:32,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:21:32,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952206268] [2024-11-27 06:21:32,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:32,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 125 proven. 531 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-27 06:21:34,248 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:21:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952206268] [2024-11-27 06:21:34,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952206268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1083637655] [2024-11-27 06:21:34,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:34,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:21:34,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 596 proven. 60 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-27 06:21:35,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1083637655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:35,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:21:35,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-11-27 06:21:35,546 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:21:35,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-11-27 06:21:35,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2145578449, now seen corresponding path program 1 times [2024-11-27 06:21:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:21:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785094610] [2024-11-27 06:21:35,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 89 proven. 518 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-27 06:21:36,848 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:21:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785094610] [2024-11-27 06:21:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785094610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [842488449] [2024-11-27 06:21:36,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:37,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:21:37,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 537 proven. 70 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-27 06:21:38,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [842488449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:38,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:21:38,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2024-11-27 06:21:38,249 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:21:38,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2024-11-27 06:21:38,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash -317886363, now seen corresponding path program 1 times [2024-11-27 06:21:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:21:38,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748748520] [2024-11-27 06:21:38,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 89 proven. 518 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-27 06:21:39,856 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:21:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748748520] [2024-11-27 06:21:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748748520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:39,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [654885972] [2024-11-27 06:21:39,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:39,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:40,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:21:40,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 539 proven. 68 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-27 06:21:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [654885972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:41,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:21:41,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-11-27 06:21:41,281 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:21:41,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-11-27 06:21:41,282 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:41,282 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:21:41,282 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:21:41,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1595933528, now seen corresponding path program 21 times [2024-11-27 06:21:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:21:41,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128663181] [2024-11-27 06:21:41,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:21:41,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:41,419 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:21:41,419 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-11-27 06:21:41,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:21:41,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128663181] [2024-11-27 06:21:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128663181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:21:41,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:21:41,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 06:21:41,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031887831] [2024-11-27 06:21:41,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:21:41,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 06:21:41,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:21:41,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 06:21:41,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 06:21:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:41,702 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:21:41,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:21:41,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:41,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:41,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:41,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:41,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:41,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 557 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:41,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:21:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:44,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-11-27 06:21:44,570 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 2 more)] === [2024-11-27 06:21:44,570 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:44,571 INFO L139 ounterexampleChecker]: Examining path program with hash -2128699039, occurence #1 [2024-11-27 06:21:44,571 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:21:44,571 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:21:44,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash 202002310, now seen corresponding path program 22 times [2024-11-27 06:21:44,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:21:44,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146730406] [2024-11-27 06:21:44,571 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:21:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:44,722 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:21:44,722 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 1227 proven. 162 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 06:21:47,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:21:47,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146730406] [2024-11-27 06:21:47,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146730406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:47,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337124224] [2024-11-27 06:21:47,209 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:21:47,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:47,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:21:47,212 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:21:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 06:21:47,888 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:21:47,888 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:21:47,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 06:21:47,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 1253 proven. 136 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 06:21:50,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:21:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 1224 proven. 165 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-27 06:21:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337124224] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:21:52,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:21:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 117 [2024-11-27 06:21:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671535583] [2024-11-27 06:21:52,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:21:52,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-11-27 06:21:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:21:52,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-11-27 06:21:52,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3173, Invalid=10633, Unknown=0, NotChecked=0, Total=13806 [2024-11-27 06:21:52,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:52,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:21:52,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 7.601694915254237) internal successors, (897), 117 states have internal predecessors, (897), 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 06:21:52,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:52,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:52,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:52,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:52,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:52,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:21:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:52,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:21:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:21:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:21:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:21:53,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:21:53,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 06:21:54,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:21:54,160 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:21:54,160 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:21:54,161 INFO L139 ounterexampleChecker]: Examining path program with hash -2128699039, occurence #2 [2024-11-27 06:21:54,161 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:21:54,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:21:54,161 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:21:54,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-27 06:21:54,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-27 06:21:54,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:54,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-27 06:21:54,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:21:54,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-27 06:21:54,162 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:21:54,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-11-27 06:21:54,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1107761298, now seen corresponding path program 1 times [2024-11-27 06:21:54,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:21:54,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276200511] [2024-11-27 06:21:54,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 296 proven. 658 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-11-27 06:21:56,149 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:21:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276200511] [2024-11-27 06:21:56,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276200511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:56,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1301072381] [2024-11-27 06:21:56,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:56,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:56,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:21:56,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:21:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1557 backedges. 857 proven. 97 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-11-27 06:21:57,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1301072381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:57,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:21:57,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-11-27 06:21:57,469 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:21:57,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-11-27 06:21:57,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:21:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash -110796132, now seen corresponding path program 1 times [2024-11-27 06:21:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:21:57,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670297327] [2024-11-27 06:21:57,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 296 proven. 658 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-27 06:21:59,258 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:21:59,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670297327] [2024-11-27 06:21:59,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670297327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:21:59,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [59537394] [2024-11-27 06:21:59,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:21:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:21:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:21:59,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 06:21:59,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 857 proven. 97 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-27 06:22:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [59537394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:00,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:22:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2024-11-27 06:22:00,627 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:22:00,627 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-11-27 06:22:00,627 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:00,627 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:00,627 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:00,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:00,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1317989530, now seen corresponding path program 23 times [2024-11-27 06:22:00,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:00,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774681937] [2024-11-27 06:22:00,628 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:22:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:02,044 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-11-27 06:22:02,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 93 proven. 287 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2024-11-27 06:22:04,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774681937] [2024-11-27 06:22:04,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774681937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237161556] [2024-11-27 06:22:04,169 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:22:04,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:04,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:04,171 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:04,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 06:22:51,624 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-11-27 06:22:51,624 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:51,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 06:22:51,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 1087 proven. 210 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-27 06:22:53,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 1125 proven. 172 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-27 06:22:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237161556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:55,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 32, 32] total 67 [2024-11-27 06:22:55,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123851961] [2024-11-27 06:22:55,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:55,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-27 06:22:55,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:55,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-27 06:22:55,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1343, Invalid=3079, Unknown=0, NotChecked=0, Total=4422 [2024-11-27 06:22:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:55,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:55,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.029850746268657) internal successors, (605), 67 states have internal predecessors, (605), 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 06:22:55,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:22:55,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:22:58,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:22:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:22:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:22:58,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 06:22:58,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:58,323 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:22:58,323 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:58,324 INFO L139 ounterexampleChecker]: Examining path program with hash -2110717593, occurence #1 [2024-11-27 06:22:58,324 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:58,324 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:58,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:58,324 INFO L85 PathProgramCache]: Analyzing trace with hash -252138461, now seen corresponding path program 24 times [2024-11-27 06:22:58,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:58,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550596492] [2024-11-27 06:22:58,325 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:22:58,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:59,869 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-11-27 06:22:59,869 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 289 proven. 231 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-27 06:23:02,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550596492] [2024-11-27 06:23:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550596492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378136694] [2024-11-27 06:23:02,579 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:23:02,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:02,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:02,581 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:02,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 06:28:03,580 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-11-27 06:28:03,580 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:03,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 1529 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 06:28:03,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 5 proven. 1242 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-27 06:28:05,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 310 proven. 247 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2024-11-27 06:28:06,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378136694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:06,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:06,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 42, 12] total 61 [2024-11-27 06:28:06,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652728272] [2024-11-27 06:28:06,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:06,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-27 06:28:06,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:06,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-27 06:28:06,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=3480, Unknown=0, NotChecked=0, Total=3782 [2024-11-27 06:28:06,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:06,451 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:06,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.983870967741935) internal successors, (433), 61 states have internal predecessors, (433), 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 06:28:06,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:06,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:06,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:06,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:06,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-11-27 06:28:20,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 06:28:20,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:20,521 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:28:20,521 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:28:20,521 INFO L139 ounterexampleChecker]: Examining path program with hash -674057657, occurence #1 [2024-11-27 06:28:20,521 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:28:20,521 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:20,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash -893975491, now seen corresponding path program 25 times [2024-11-27 06:28:20,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:20,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259898096] [2024-11-27 06:28:20,522 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:28:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 716 proven. 890 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-27 06:28:23,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259898096] [2024-11-27 06:28:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259898096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472244597] [2024-11-27 06:28:23,369 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:28:23,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:23,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:23,371 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:23,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 06:28:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:28:24,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 06:28:24,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1435 proven. 171 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-27 06:28:26,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1232 proven. 374 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-27 06:28:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472244597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:28,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:28,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 114 [2024-11-27 06:28:28,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157340558] [2024-11-27 06:28:28,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:28,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-27 06:28:28,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:28,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-27 06:28:28,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2408, Invalid=10474, Unknown=0, NotChecked=0, Total=12882 [2024-11-27 06:28:28,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:28,608 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:28,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 7.201754385964913) internal successors, (821), 114 states have internal predecessors, (821), 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 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:28,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2024-11-27 06:28:28,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-11-27 06:28:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:29,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-27 06:28:29,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-27 06:28:29,542 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:28:29,542 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:28:29,542 INFO L139 ounterexampleChecker]: Examining path program with hash -674057657, occurence #2 [2024-11-27 06:28:29,542 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:28:29,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:28:29,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-27 06:28:29,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-27 06:28:29,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-27 06:28:29,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-27 06:28:29,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:29,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-11-27 06:28:29,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:28:29,544 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:28:29,544 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:29,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1777978566, now seen corresponding path program 26 times [2024-11-27 06:28:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988990254] [2024-11-27 06:28:29,544 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:28:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:29,839 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:28:29,839 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 328 proven. 389 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2024-11-27 06:28:32,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988990254] [2024-11-27 06:28:32,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988990254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:32,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202433656] [2024-11-27 06:28:32,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:28:32,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:32,737 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:32,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 06:28:33,374 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:28:33,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:33,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 06:28:33,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 1 proven. 1435 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-27 06:28:35,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 346 proven. 299 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2024-11-27 06:28:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202433656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:36,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:36,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 45, 11] total 60 [2024-11-27 06:28:36,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12992868] [2024-11-27 06:28:36,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:36,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-27 06:28:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:36,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-27 06:28:36,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=3386, Unknown=0, NotChecked=0, Total=3660 [2024-11-27 06:28:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:36,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:36,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.098360655737705) internal successors, (433), 60 states have internal predecessors, (433), 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 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 563 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:36,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:36,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2024-11-27 06:28:36,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:36,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 569 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2024-11-27 06:28:54,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-27 06:28:54,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:54,882 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:28:54,882 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:28:54,882 INFO L139 ounterexampleChecker]: Examining path program with hash -1850145994, occurence #1 [2024-11-27 06:28:54,882 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:28:54,882 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:28:54,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:28:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1697497939, now seen corresponding path program 27 times [2024-11-27 06:28:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:28:54,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654159893] [2024-11-27 06:28:54,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:28:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:28:55,283 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:28:55,283 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5736 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5732 trivial. 0 not checked. [2024-11-27 06:28:55,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:28:55,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654159893] [2024-11-27 06:28:55,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654159893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:28:55,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844120563] [2024-11-27 06:28:55,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:28:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:28:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:28:55,918 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:28:55,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 06:28:56,731 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:28:56,731 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:28:56,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 06:28:56,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:28:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5736 backedges. 31 proven. 13 refuted. 0 times theorem prover too weak. 5692 trivial. 0 not checked. [2024-11-27 06:28:56,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:28:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5736 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5732 trivial. 0 not checked. [2024-11-27 06:28:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844120563] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:28:56,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:28:56,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 10 [2024-11-27 06:28:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108234894] [2024-11-27 06:28:56,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:28:56,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 06:28:56,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:28:56,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 06:28:56,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-27 06:28:56,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:28:56,958 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:28:56,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 06:28:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:56,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:28:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 569 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:28:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2024-11-27 06:28:56,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 588 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-11-27 06:29:02,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:02,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-27 06:29:02,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:02,764 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:29:02,764 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:02,764 INFO L139 ounterexampleChecker]: Examining path program with hash 1660424783, occurence #1 [2024-11-27 06:29:02,764 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:02,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:02,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:02,764 INFO L85 PathProgramCache]: Analyzing trace with hash 969545381, now seen corresponding path program 28 times [2024-11-27 06:29:02,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:02,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652671684] [2024-11-27 06:29:02,765 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:29:02,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:03,074 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:29:03,075 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 197 proven. 663 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2024-11-27 06:29:06,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:06,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652671684] [2024-11-27 06:29:06,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652671684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:06,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386133013] [2024-11-27 06:29:06,288 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:29:06,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:06,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:06,290 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:06,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-27 06:29:07,051 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:29:07,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:07,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-27 06:29:07,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:29:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 1964 proven. 253 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-27 06:29:09,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:29:12,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2559 backedges. 1753 proven. 464 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-27 06:29:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386133013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:29:12,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:29:12,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 49, 49] total 102 [2024-11-27 06:29:12,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017214151] [2024-11-27 06:29:12,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:29:12,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-11-27 06:29:12,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:29:12,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-11-27 06:29:12,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2559, Invalid=7947, Unknown=0, NotChecked=0, Total=10506 [2024-11-27 06:29:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:12,642 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:29:12,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 7.990291262135922) internal successors, (823), 102 states have internal predecessors, (823), 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 06:29:12,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:12,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:12,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:12,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 588 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 06:29:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 588 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:29:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:29:15,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-27 06:29:15,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2024-11-27 06:29:15,749 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 06:29:15,749 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:29:15,749 INFO L139 ounterexampleChecker]: Examining path program with hash 202127248, occurence #1 [2024-11-27 06:29:15,749 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:29:15,749 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:29:15,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:29:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1276000986, now seen corresponding path program 29 times [2024-11-27 06:29:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:29:15,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830698540] [2024-11-27 06:29:15,750 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:29:15,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:29:18,318 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-11-27 06:29:18,319 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:29:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 1775 proven. 398 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-27 06:29:21,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:29:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830698540] [2024-11-27 06:29:21,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830698540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:29:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209632878] [2024-11-27 06:29:21,914 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:29:21,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:29:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:29:21,916 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:29:21,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f30e31-1572-4d56-a36e-41a5a6d512c6/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process