./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.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_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX --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 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:26:33,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:26:33,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:26:33,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:26:33,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:26:33,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:26:33,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:26:33,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:26:33,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:26:33,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:26:33,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:26:33,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:26:33,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:26:33,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:26:33,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:26:33,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:26:33,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:26:33,751 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:26:33,751 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:26:33,751 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_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX 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 -> 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a [2024-12-05 08:26:33,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:26:34,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:26:34,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:26:34,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:26:34,009 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:26:34,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2024-12-05 08:26:36,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/data/ab739fb97/1a476402e4ea437f8c8b6a457e2121a4/FLAG677e43ebb [2024-12-05 08:26:36,890 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:26:36,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2024-12-05 08:26:36,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/data/ab739fb97/1a476402e4ea437f8c8b6a457e2121a4/FLAG677e43ebb [2024-12-05 08:26:36,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/data/ab739fb97/1a476402e4ea437f8c8b6a457e2121a4 [2024-12-05 08:26:36,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:26:36,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:26:36,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:26:36,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:26:36,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:26:36,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:26:36" (1/1) ... [2024-12-05 08:26:36,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673f715a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:36, skipping insertion in model container [2024-12-05 08:26:36,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:26:36" (1/1) ... [2024-12-05 08:26:36,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:26:37,110 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_ca43e60f-9511-49a0-b3c9-4cac2c470e41/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2625,2638] [2024-12-05 08:26:37,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:26:37,127 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:26:37,146 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_ca43e60f-9511-49a0-b3c9-4cac2c470e41/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2625,2638] [2024-12-05 08:26:37,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:26:37,164 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:26:37,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37 WrapperNode [2024-12-05 08:26:37,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:26:37,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:26:37,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:26:37,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:26:37,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,196 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 86 [2024-12-05 08:26:37,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:26:37,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:26:37,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:26:37,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:26:37,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:26:37,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:26:37,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:26:37,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:26:37,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (1/1) ... [2024-12-05 08:26:37,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:26:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:26:37,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:26:37,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 08:26:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 08:26:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 08:26:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 08:26:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 08:26:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:26:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:26:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:26:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:26:37,288 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:26:37,379 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:26:37,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:26:37,587 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:26:37,587 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:26:37,750 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:26:37,750 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 08:26:37,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:26:37 BoogieIcfgContainer [2024-12-05 08:26:37,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:26:37,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:26:37,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:26:37,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:26:37,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:26:36" (1/3) ... [2024-12-05 08:26:37,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759e3db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:26:37, skipping insertion in model container [2024-12-05 08:26:37,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:26:37" (2/3) ... [2024-12-05 08:26:37,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759e3db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:26:37, skipping insertion in model container [2024-12-05 08:26:37,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:26:37" (3/3) ... [2024-12-05 08:26:37,760 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2024-12-05 08:26:37,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:26:37,777 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-min-array-hom.wvr.c that has 4 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-05 08:26:37,777 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:26:37,838 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-05 08:26:37,885 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:26:37,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:26:37,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:26:37,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:26:37,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:26:37,952 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:26:37,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 08:26:37,971 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;@1cda9210, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:26:37,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-05 08:26:38,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:26:38,232 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:26:38,233 INFO L139 ounterexampleChecker]: Examining path program with hash 1547257672, occurence #1 [2024-12-05 08:26:38,233 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:26:38,233 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:26:38,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:26:38,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1228551148, now seen corresponding path program 1 times [2024-12-05 08:26:38,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:26:38,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629889744] [2024-12-05 08:26:38,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:26:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:26:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:26:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:38,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:26:38,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629889744] [2024-12-05 08:26:38,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629889744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:26:38,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:26:38,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:26:38,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28690583] [2024-12-05 08:26:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:26:38,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:26:38,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:26:38,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:26:38,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:26:38,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:38,591 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:26:38,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:26:38,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:38,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:26:38,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:26:38,676 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:26:38,676 INFO L139 ounterexampleChecker]: Examining path program with hash 1547257672, occurence #2 [2024-12-05 08:26:38,676 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:26:38,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:26:38,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:26:38,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 08:26:38,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:38,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:26:38,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:38,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 08:26:38,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:38,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 08:26:38,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:38,693 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:26:38,693 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:26:38,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:26:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1431523822, now seen corresponding path program 1 times [2024-12-05 08:26:38,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:26:38,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81341136] [2024-12-05 08:26:38,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:26:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:26:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:26:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:26:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81341136] [2024-12-05 08:26:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81341136] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:26:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831432801] [2024-12-05 08:26:38,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:26:38,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:26:38,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:26:38,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:26:38,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:26:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:26:38,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:26:38,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:26:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:39,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:26:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:39,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831432801] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:26:39,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:26:39,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-12-05 08:26:39,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621402759] [2024-12-05 08:26:39,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:26:39,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-05 08:26:39,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:26:39,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-05 08:26:39,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-05 08:26:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:39,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:26:39,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-12-05 08:26:39,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:39,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:26:39,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:26:39,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:26:39,634 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:26:39,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:26:39,634 INFO L139 ounterexampleChecker]: Examining path program with hash 1547257672, occurence #3 [2024-12-05 08:26:39,634 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:26:39,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:26:39,634 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:26:39,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 08:26:39,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:39,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:26:39,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:39,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:26:39,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:39,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:26:39,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:39,635 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:26:39,635 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:26:39,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:26:39,635 INFO L85 PathProgramCache]: Analyzing trace with hash 866257876, now seen corresponding path program 2 times [2024-12-05 08:26:39,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:26:39,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273746340] [2024-12-05 08:26:39,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:26:39,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:26:39,657 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:26:39,657 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:26:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:26:39,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:26:39,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273746340] [2024-12-05 08:26:39,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273746340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:26:39,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:26:39,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 08:26:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867479639] [2024-12-05 08:26:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:26:39,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 08:26:39,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:26:39,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 08:26:39,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 08:26:39,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:39,721 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:26:39,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-12-05 08:26:39,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:39,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:26:39,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:26:39,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:26:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:26:39,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:26:39,808 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:26:39,808 INFO L139 ounterexampleChecker]: Examining path program with hash -710540626, occurence #1 [2024-12-05 08:26:39,808 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:26:39,808 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:26:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:26:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1558752, now seen corresponding path program 1 times [2024-12-05 08:26:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:26:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889453627] [2024-12-05 08:26:39,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:26:39,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:26:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:26:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:40,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:26:40,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889453627] [2024-12-05 08:26:40,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889453627] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:26:40,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676146865] [2024-12-05 08:26:40,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:26:40,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:26:40,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:26:40,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:26:40,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:26:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:26:40,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 08:26:40,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:26:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:40,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:26:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676146865] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:26:40,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:26:40,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2024-12-05 08:26:40,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568051507] [2024-12-05 08:26:40,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:26:40,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-05 08:26:40,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:26:40,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-05 08:26:40,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-12-05 08:26:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:40,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:26:40,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.523809523809524) internal successors, (95), 20 states have internal predecessors, (95), 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) [2024-12-05 08:26:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:26:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:26:40,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:26:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:26:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:26:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:26:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:26:40,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:26:40,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:26:40,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:26:40,832 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:26:40,832 INFO L139 ounterexampleChecker]: Examining path program with hash -710540626, occurence #2 [2024-12-05 08:26:40,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:26:40,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:26:40,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:26:40,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:26:40,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:40,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:26:40,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:40,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:26:40,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:40,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:26:40,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:26:40,833 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:26:40,833 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:26:40,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:26:40,834 INFO L85 PathProgramCache]: Analyzing trace with hash -2065905054, now seen corresponding path program 2 times [2024-12-05 08:26:40,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:26:40,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764060223] [2024-12-05 08:26:40,834 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:26:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:26:40,921 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:26:40,921 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:26:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 08:26:44,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:26:44,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764060223] [2024-12-05 08:26:44,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764060223] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:26:44,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724141763] [2024-12-05 08:26:44,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:26:44,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:26:44,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:26:44,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:26:44,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:26:44,115 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:26:44,116 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:26:44,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 08:26:44,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:26:44,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 08:26:46,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:26:46,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 08:26:46,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 08:26:46,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 244 treesize of output 138 [2024-12-05 08:26:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:26:47,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:04,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1741 treesize of output 1535 [2024-12-05 08:28:04,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 08:28:04,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2392 treesize of output 1874 [2024-12-05 08:28:09,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 512 [2024-12-05 08:28:09,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 08:28:09,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 902 treesize of output 1 [2024-12-05 08:28:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:28:09,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724141763] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:09,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:09,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 20] total 59 [2024-12-05 08:28:09,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451122075] [2024-12-05 08:28:09,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:09,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-05 08:28:09,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:09,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-05 08:28:09,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=3091, Unknown=0, NotChecked=0, Total=3540 [2024-12-05 08:28:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:09,135 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:09,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.85) internal successors, (111), 59 states have internal predecessors, (111), 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) [2024-12-05 08:28:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:09,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:24,858 WARN L286 SmtUtils]: Spent 10.43s on a formula simplification. DAG size of input: 886 DAG size of output: 787 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 08:28:36,674 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 824 DAG size of output: 433 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 08:28:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:48,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-05 08:28:49,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:49,173 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:49,173 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:49,173 INFO L139 ounterexampleChecker]: Examining path program with hash 1051230765, occurence #1 [2024-12-05 08:28:49,173 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:28:49,173 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:49,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:49,173 INFO L85 PathProgramCache]: Analyzing trace with hash 590681106, now seen corresponding path program 3 times [2024-12-05 08:28:49,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:49,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996622958] [2024-12-05 08:28:49,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:28:49,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:49,214 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:28:49,214 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:49,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:49,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996622958] [2024-12-05 08:28:49,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996622958] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:49,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766251976] [2024-12-05 08:28:49,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:28:49,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:49,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:49,392 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:49,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:28:49,510 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:28:49,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:49,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 08:28:49,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:49,806 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:50,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766251976] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:50,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:50,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-12-05 08:28:50,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891410102] [2024-12-05 08:28:50,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:50,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-05 08:28:50,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:50,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-05 08:28:50,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-12-05 08:28:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:50,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:50,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.516129032258065) internal successors, (140), 30 states have internal predecessors, (140), 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) [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:50,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:50,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-05 08:28:50,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:50,472 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:50,472 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:50,472 INFO L139 ounterexampleChecker]: Examining path program with hash 1051230765, occurence #2 [2024-12-05 08:28:50,472 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:28:50,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:28:50,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:28:50,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:28:50,472 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:50,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:28:50,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:50,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:28:50,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:50,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-05 08:28:50,473 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:50,473 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:28:50,473 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:50,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash -750906414, now seen corresponding path program 4 times [2024-12-05 08:28:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:50,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918953666] [2024-12-05 08:28:50,474 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:28:50,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:50,490 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:28:50,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 08:28:50,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:50,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918953666] [2024-12-05 08:28:50,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918953666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:50,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917992772] [2024-12-05 08:28:50,587 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:28:50,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:50,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:50,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:28:50,665 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:28:50,665 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:50,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 08:28:50,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 08:28:50,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 08:28:51,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917992772] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:51,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:51,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 12] total 28 [2024-12-05 08:28:51,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164420698] [2024-12-05 08:28:51,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:51,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-05 08:28:51,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:51,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-05 08:28:51,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-12-05 08:28:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:51,201 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:51,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 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) [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:51,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:52,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-05 08:28:52,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:52,616 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:52,616 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:52,616 INFO L139 ounterexampleChecker]: Examining path program with hash -710540626, occurence #3 [2024-12-05 08:28:52,616 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:28:52,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:28:52,616 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:28:52,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:28:52,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:52,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:28:52,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:52,616 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:28:52,616 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:52,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-05 08:28:52,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:52,617 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:28:52,617 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:52,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash -599354734, now seen corresponding path program 5 times [2024-12-05 08:28:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844108864] [2024-12-05 08:28:52,617 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:28:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:52,653 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 08:28:52,653 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:52,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:52,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844108864] [2024-12-05 08:28:52,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844108864] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:52,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121267984] [2024-12-05 08:28:52,913 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:28:52,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:52,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:52,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:28:53,162 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 08:28:53,162 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:53,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 08:28:53,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:53,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:54,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121267984] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:54,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:54,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 45 [2024-12-05 08:28:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405514856] [2024-12-05 08:28:54,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:54,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-05 08:28:54,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:54,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-05 08:28:54,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=1644, Unknown=0, NotChecked=0, Total=2070 [2024-12-05 08:28:54,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:54,014 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:54,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.8043478260869565) internal successors, (175), 45 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:54,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:54,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:28:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:54,410 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:54,410 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:54,411 INFO L139 ounterexampleChecker]: Examining path program with hash -710540626, occurence #4 [2024-12-05 08:28:54,411 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:28:54,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:28:54,411 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:28:54,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:28:54,411 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:54,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:28:54,411 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:54,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:28:54,411 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:54,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-05 08:28:54,411 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:54,411 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:28:54,411 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:54,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash 40637972, now seen corresponding path program 6 times [2024-12-05 08:28:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:54,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748516592] [2024-12-05 08:28:54,412 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:28:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:54,481 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 08:28:54,481 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 7 proven. 72 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-05 08:28:54,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:54,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748516592] [2024-12-05 08:28:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748516592] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802568033] [2024-12-05 08:28:54,748 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:28:54,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:54,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:54,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:54,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:28:54,921 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 08:28:54,922 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:54,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 08:28:54,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 28 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:55,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 36 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:55,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802568033] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:55,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:55,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 43 [2024-12-05 08:28:55,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788048564] [2024-12-05 08:28:55,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:55,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-05 08:28:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:55,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-05 08:28:55,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1452, Unknown=0, NotChecked=0, Total=1806 [2024-12-05 08:28:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:55,582 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:55,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.255813953488372) internal successors, (183), 43 states have internal predecessors, (183), 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) [2024-12-05 08:28:55,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:55,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:56,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:28:56,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:28:57,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:57,113 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:57,114 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:57,114 INFO L139 ounterexampleChecker]: Examining path program with hash 937313826, occurence #1 [2024-12-05 08:28:57,114 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:28:57,114 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:57,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash 922813067, now seen corresponding path program 7 times [2024-12-05 08:28:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248236293] [2024-12-05 08:28:57,115 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:28:57,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 167 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:57,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248236293] [2024-12-05 08:28:57,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248236293] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022149419] [2024-12-05 08:28:57,559 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:28:57,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:57,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:57,561 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:57,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:28:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:28:57,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 08:28:57,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:28:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 140 proven. 58 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 08:28:58,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:28:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 162 proven. 36 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 08:28:58,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022149419] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:28:58,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:28:58,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 58 [2024-12-05 08:28:58,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670970398] [2024-12-05 08:28:58,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:28:58,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-12-05 08:28:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:28:58,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-12-05 08:28:58,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2793, Unknown=0, NotChecked=0, Total=3422 [2024-12-05 08:28:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:58,757 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:28:58,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.6779661016949152) internal successors, (217), 58 states have internal predecessors, (217), 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) [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:28:58,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:28:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:28:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:28:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:28:58,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:28:59,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:28:59,101 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:28:59,101 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:28:59,102 INFO L139 ounterexampleChecker]: Examining path program with hash 937313826, occurence #2 [2024-12-05 08:28:59,102 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:28:59,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:28:59,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:28:59,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:28:59,102 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:59,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:28:59,102 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:59,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 08:28:59,102 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:59,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-05 08:28:59,102 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:28:59,102 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:28:59,102 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:28:59,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:28:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1400010445, now seen corresponding path program 8 times [2024-12-05 08:28:59,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:28:59,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21911181] [2024-12-05 08:28:59,103 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:28:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:28:59,123 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:28:59,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 103 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:28:59,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:28:59,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21911181] [2024-12-05 08:28:59,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21911181] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:28:59,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839002551] [2024-12-05 08:28:59,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:28:59,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:28:59,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:28:59,739 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:28:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:28:59,851 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:28:59,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:28:59,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 08:28:59,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 156 proven. 57 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 08:29:00,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 168 proven. 45 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 08:29:01,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839002551] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:01,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:01,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 23] total 70 [2024-12-05 08:29:01,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300629616] [2024-12-05 08:29:01,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:01,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-12-05 08:29:01,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:01,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-12-05 08:29:01,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4030, Unknown=0, NotChecked=0, Total=4970 [2024-12-05 08:29:01,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:01,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:01,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.183098591549296) internal successors, (226), 70 states have internal predecessors, (226), 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) [2024-12-05 08:29:01,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:01,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:01,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:01,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:29:01,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-05 08:29:01,640 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:01,640 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:01,640 INFO L139 ounterexampleChecker]: Examining path program with hash 937313826, occurence #3 [2024-12-05 08:29:01,640 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:01,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:01,640 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:01,640 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:29:01,641 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:01,641 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:29:01,641 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:01,641 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:29:01,641 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:01,641 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 08:29:01,641 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:01,641 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:01,641 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:01,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:01,641 INFO L85 PathProgramCache]: Analyzing trace with hash -986740021, now seen corresponding path program 9 times [2024-12-05 08:29:01,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:01,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243343238] [2024-12-05 08:29:01,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:29:01,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:01,826 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-05 08:29:01,826 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 95 proven. 86 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-12-05 08:29:02,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243343238] [2024-12-05 08:29:02,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243343238] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:02,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636707242] [2024-12-05 08:29:02,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:29:02,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:02,231 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:02,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:29:02,658 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-05 08:29:02,658 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:02,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 08:29:02,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 45 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:03,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 55 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:03,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636707242] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:03,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:03,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22, 22] total 55 [2024-12-05 08:29:03,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243749477] [2024-12-05 08:29:03,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:03,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-05 08:29:03,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:03,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-05 08:29:03,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=2432, Unknown=0, NotChecked=0, Total=2970 [2024-12-05 08:29:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:03,649 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:03,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.890909090909091) internal successors, (269), 55 states have internal predecessors, (269), 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) [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:03,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:03,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:05,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:29:05,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-05 08:29:05,848 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:05,848 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:05,848 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #1 [2024-12-05 08:29:05,848 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:29:05,849 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:05,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1001206816, now seen corresponding path program 10 times [2024-12-05 08:29:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:05,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409551219] [2024-12-05 08:29:05,849 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:29:05,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:05,867 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:29:05,867 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 308 proven. 118 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:29:06,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:06,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409551219] [2024-12-05 08:29:06,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409551219] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:06,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343882131] [2024-12-05 08:29:06,341 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:29:06,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:06,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:06,343 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-05 08:29:06,440 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:29:06,440 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:06,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 08:29:06,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 426 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:29:07,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 308 proven. 118 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:29:08,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343882131] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:08,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:08,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 42, 34] total 89 [2024-12-05 08:29:08,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156367870] [2024-12-05 08:29:08,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:08,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-12-05 08:29:08,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:08,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-12-05 08:29:08,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1258, Invalid=6574, Unknown=0, NotChecked=0, Total=7832 [2024-12-05 08:29:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:08,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:08,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 4.01123595505618) internal successors, (357), 89 states have internal predecessors, (357), 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) [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:08,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:14,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:14,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-05 08:29:14,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-05 08:29:14,351 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:14,351 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:14,351 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #2 [2024-12-05 08:29:14,351 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:14,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:29:14,352 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:29:14,352 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:29:14,352 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-12-05 08:29:14,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:14,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-05 08:29:14,352 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:14,353 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:14,353 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:14,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2086500197, now seen corresponding path program 11 times [2024-12-05 08:29:14,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:14,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310355563] [2024-12-05 08:29:14,353 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:29:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:14,585 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-12-05 08:29:14,585 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 1439 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:15,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:15,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310355563] [2024-12-05 08:29:15,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310355563] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:15,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717639611] [2024-12-05 08:29:15,793 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:29:15,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:15,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:15,794 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-05 08:29:16,418 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-12-05 08:29:16,418 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:16,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 08:29:16,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 1112 proven. 55 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-12-05 08:29:17,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 1112 proven. 55 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-12-05 08:29:17,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717639611] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:17,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:17,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 24, 24] total 74 [2024-12-05 08:29:17,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747507487] [2024-12-05 08:29:17,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:17,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-12-05 08:29:17,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:17,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-12-05 08:29:17,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1152, Invalid=4398, Unknown=0, NotChecked=0, Total=5550 [2024-12-05 08:29:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:17,733 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:17,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.72) internal successors, (354), 74 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:17,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:17,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-05 08:29:18,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-05 08:29:18,062 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:18,062 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:18,062 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #3 [2024-12-05 08:29:18,062 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:18,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:18,062 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:29:18,063 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:29:18,063 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:29:18,063 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-12-05 08:29:18,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-12-05 08:29:18,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-05 08:29:18,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-12-05 08:29:18,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-12-05 08:29:18,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2024-12-05 08:29:18,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-12-05 08:29:18,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-05 08:29:18,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:18,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-12-05 08:29:18,064 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:18,064 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:18,064 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:18,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:18,064 INFO L85 PathProgramCache]: Analyzing trace with hash -68836057, now seen corresponding path program 12 times [2024-12-05 08:29:18,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:18,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380235328] [2024-12-05 08:29:18,065 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:29:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:19,822 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-12-05 08:29:19,822 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1505 backedges. 1388 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:21,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380235328] [2024-12-05 08:29:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380235328] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607298342] [2024-12-05 08:29:21,047 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:29:21,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:21,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:21,048 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:21,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-05 08:29:23,444 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-12-05 08:29:23,444 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:23,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 08:29:23,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1505 backedges. 1343 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-05 08:29:24,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1505 backedges. 1343 proven. 66 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-12-05 08:29:25,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607298342] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:25,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:25,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 32, 32] total 92 [2024-12-05 08:29:25,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372553741] [2024-12-05 08:29:25,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:25,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-12-05 08:29:25,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:25,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-12-05 08:29:25,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2020, Invalid=6536, Unknown=0, NotChecked=0, Total=8556 [2024-12-05 08:29:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:25,373 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:25,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.193548387096774) internal successors, (483), 92 states have internal predecessors, (483), 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) [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:25,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:25,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:25,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-05 08:29:25,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-05 08:29:25,788 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:25,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:25,788 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #4 [2024-12-05 08:29:25,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:25,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:25,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:29:25,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:29:25,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:29:25,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-05 08:29:25,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-12-05 08:29:25,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-05 08:29:25,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:25,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-05 08:29:25,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:25,790 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:25,790 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:25,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:25,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1278605413, now seen corresponding path program 13 times [2024-12-05 08:29:25,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:25,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975967295] [2024-12-05 08:29:25,791 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:29:25,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:29:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 1188 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:29,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:29,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975967295] [2024-12-05 08:29:29,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975967295] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:29,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570953] [2024-12-05 08:29:29,717 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:29:29,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:29,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:29,718 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:29,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-05 08:29:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:29:29,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 08:29:29,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 1015 proven. 223 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-05 08:29:32,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 1067 proven. 171 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-12-05 08:29:34,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570953] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:34,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:34,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 41, 41] total 165 [2024-12-05 08:29:34,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37542405] [2024-12-05 08:29:34,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:34,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2024-12-05 08:29:34,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:34,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2024-12-05 08:29:34,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3641, Invalid=23749, Unknown=0, NotChecked=0, Total=27390 [2024-12-05 08:29:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:34,695 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:34,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 2.7771084337349397) internal successors, (461), 165 states have internal predecessors, (461), 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) [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:34,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:35,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:35,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-05 08:29:35,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-05 08:29:35,304 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:35,304 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:35,304 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #5 [2024-12-05 08:29:35,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:35,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 08:29:35,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 08:29:35,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:29:35,305 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-12-05 08:29:35,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-12-05 08:29:35,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-12-05 08:29:35,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-05 08:29:35,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-12-05 08:29:35,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-12-05 08:29:35,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-12-05 08:29:35,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-12-05 08:29:35,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:35,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-12-05 08:29:35,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:35,306 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:35,306 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:35,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash 656229415, now seen corresponding path program 14 times [2024-12-05 08:29:35,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:35,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857969801] [2024-12-05 08:29:35,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:29:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:29:35,371 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:29:35,371 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1629 backedges. 1388 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:29:36,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:29:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857969801] [2024-12-05 08:29:36,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857969801] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:29:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401925373] [2024-12-05 08:29:36,918 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:29:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:29:36,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:29:36,919 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:29:36,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-05 08:29:37,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:29:37,070 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:37,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 08:29:37,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:29:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1629 backedges. 1064 proven. 217 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-12-05 08:29:38,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:29:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1629 backedges. 1091 proven. 190 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-12-05 08:29:40,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401925373] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:29:40,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:29:40,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 43, 43] total 132 [2024-12-05 08:29:40,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336803771] [2024-12-05 08:29:40,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:29:40,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-12-05 08:29:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:29:40,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-12-05 08:29:40,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2925, Invalid=14631, Unknown=0, NotChecked=0, Total=17556 [2024-12-05 08:29:40,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:40,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:29:40,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 3.5338345864661656) internal successors, (470), 132 states have internal predecessors, (470), 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) [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:40,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:29:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:29:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:29:40,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-05 08:29:41,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-05 08:29:41,141 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:29:41,141 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:29:41,141 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #6 [2024-12-05 08:29:41,141 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:29:41,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 08:29:41,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:29:41,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:29:41,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-12-05 08:29:41,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-12-05 08:29:41,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-05 08:29:41,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:29:41,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-05 08:29:41,142 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:29:41,142 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:29:41,142 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:29:41,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:29:41,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1457557339, now seen corresponding path program 15 times [2024-12-05 08:29:41,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:29:41,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780269225] [2024-12-05 08:29:41,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:29:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:30:31,509 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-05 08:30:31,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:30:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 1388 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:30:33,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:30:33,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780269225] [2024-12-05 08:30:33,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780269225] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:30:33,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592186745] [2024-12-05 08:30:33,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:30:33,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:30:33,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:30:33,080 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:30:33,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-05 08:30:36,904 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-05 08:30:36,904 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:30:36,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 08:30:36,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:30:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 1355 proven. 210 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 08:30:38,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:30:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 1355 proven. 210 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 08:30:40,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592186745] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:30:40,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:30:40,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 44, 44] total 115 [2024-12-05 08:30:40,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332918038] [2024-12-05 08:30:40,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:30:40,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-12-05 08:30:40,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:30:40,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-12-05 08:30:40,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=10442, Unknown=0, NotChecked=0, Total=13340 [2024-12-05 08:30:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:40,056 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:30:40,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 4.025862068965517) internal successors, (467), 115 states have internal predecessors, (467), 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) [2024-12-05 08:30:40,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:30:40,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:30:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:30:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:30:40,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-05 08:30:40,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-05 08:30:40,492 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:30:40,492 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:30:40,492 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #7 [2024-12-05 08:30:40,492 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:30:40,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:30:40,492 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:30:40,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:40,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:30:40,493 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:30:40,493 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-12-05 08:30:40,493 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:40,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-12-05 08:30:40,493 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:40,493 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:30:40,493 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:30:40,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:30:40,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1734530023, now seen corresponding path program 16 times [2024-12-05 08:30:40,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:30:40,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47922093] [2024-12-05 08:30:40,494 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:30:40,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:30:40,555 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:30:40,555 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:30:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 1192 proven. 247 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 08:30:41,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:30:41,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47922093] [2024-12-05 08:30:41,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47922093] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:30:41,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081505741] [2024-12-05 08:30:41,664 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:30:41,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:30:41,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:30:41,665 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:30:41,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-05 08:30:41,812 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:30:41,812 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:30:41,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-05 08:30:41,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:30:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 1439 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 08:30:44,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:30:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 1192 proven. 247 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 08:30:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081505741] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:30:46,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:30:46,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 69, 53] total 148 [2024-12-05 08:30:46,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676483780] [2024-12-05 08:30:46,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:30:46,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-12-05 08:30:46,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:30:46,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-12-05 08:30:46,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3982, Invalid=17774, Unknown=0, NotChecked=0, Total=21756 [2024-12-05 08:30:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:46,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:30:46,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 4.094594594594595) internal successors, (606), 148 states have internal predecessors, (606), 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) [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:30:46,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:30:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:30:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:30:58,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-05 08:30:58,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:30:58,988 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:30:58,988 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:30:58,989 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #8 [2024-12-05 08:30:58,989 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:30:58,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:30:58,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:30:58,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-12-05 08:30:58,989 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 342 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2024-12-05 08:30:58,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:58,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-05 08:30:58,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:58,990 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:30:58,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:30:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:30:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1474234071, now seen corresponding path program 17 times [2024-12-05 08:30:58,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:30:58,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682074978] [2024-12-05 08:30:58,990 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:30:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:31:00,051 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-12-05 08:31:00,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:31:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4209 backedges. 3978 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:31:03,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:31:03,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682074978] [2024-12-05 08:31:03,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682074978] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:31:03,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005910295] [2024-12-05 08:31:03,051 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:31:03,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:31:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:31:03,053 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:31:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-05 08:31:39,914 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2024-12-05 08:31:39,914 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:31:39,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 08:31:39,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:31:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4209 backedges. 3367 proven. 231 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-12-05 08:31:42,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:31:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4209 backedges. 3367 proven. 231 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-12-05 08:31:43,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005910295] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:31:43,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:31:43,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 46, 46] total 137 [2024-12-05 08:31:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326921140] [2024-12-05 08:31:43,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:31:43,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2024-12-05 08:31:43,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:31:43,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2024-12-05 08:31:43,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3818, Invalid=15088, Unknown=0, NotChecked=0, Total=18906 [2024-12-05 08:31:43,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:31:43,774 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:31:43,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 4.413043478260869) internal successors, (609), 137 states have internal predecessors, (609), 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) [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:31:43,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:31:43,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:31:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:31:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:31:43,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-05 08:31:44,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-12-05 08:31:44,157 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:31:44,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:31:44,157 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #9 [2024-12-05 08:31:44,157 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:31:44,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:31:44,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 08:31:44,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:31:44,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:31:44,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:31:44,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 08:31:44,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 328 [2024-12-05 08:31:44,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 343 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 346 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2024-12-05 08:31:44,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:31:44,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 351 [2024-12-05 08:31:44,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:31:44,159 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:31:44,159 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:31:44,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:31:44,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1313094425, now seen corresponding path program 18 times [2024-12-05 08:31:44,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:31:44,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619714768] [2024-12-05 08:31:44,160 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:31:44,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:31:48,250 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-12-05 08:31:48,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:31:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4231 backedges. 2685 proven. 425 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-12-05 08:31:50,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:31:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619714768] [2024-12-05 08:31:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619714768] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:31:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653478499] [2024-12-05 08:31:50,429 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:31:50,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:31:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:31:50,431 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:31:50,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-05 08:32:30,698 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-12-05 08:32:30,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:32:30,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 08:32:30,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:32:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4231 backedges. 2259 proven. 317 refuted. 0 times theorem prover too weak. 1655 trivial. 0 not checked. [2024-12-05 08:32:32,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:32:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4231 backedges. 2323 proven. 253 refuted. 0 times theorem prover too weak. 1655 trivial. 0 not checked. [2024-12-05 08:32:35,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653478499] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:32:35,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:32:35,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 49, 49] total 151 [2024-12-05 08:32:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561052151] [2024-12-05 08:32:35,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:32:35,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2024-12-05 08:32:35,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:32:35,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2024-12-05 08:32:35,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4405, Invalid=18547, Unknown=0, NotChecked=0, Total=22952 [2024-12-05 08:32:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:32:35,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:32:35,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 2.9802631578947367) internal successors, (453), 151 states have internal predecessors, (453), 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) [2024-12-05 08:32:35,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:32:35,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:32:35,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:32:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:32:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:32:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:32:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:32:35,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-05 08:32:35,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:32:35,805 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:32:35,806 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:32:35,806 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #10 [2024-12-05 08:32:35,806 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:32:35,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:32:35,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:32:35,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 314 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-12-05 08:32:35,806 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 347 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-05 08:32:35,807 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:35,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 352 [2024-12-05 08:32:35,807 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:35,807 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:32:35,807 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:32:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:32:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash 612732695, now seen corresponding path program 19 times [2024-12-05 08:32:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:32:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806761901] [2024-12-05 08:32:35,807 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:32:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:32:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:32:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4254 backedges. 3562 proven. 692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:32:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:32:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806761901] [2024-12-05 08:32:44,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806761901] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:32:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724280720] [2024-12-05 08:32:44,656 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:32:44,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:32:44,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:32:44,657 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:32:44,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-05 08:32:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:32:44,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 08:32:44,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:32:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4254 backedges. 2341 proven. 309 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2024-12-05 08:32:48,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:32:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4254 backedges. 2374 proven. 276 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2024-12-05 08:32:53,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724280720] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:32:53,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:32:53,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 51, 51] total 231 [2024-12-05 08:32:53,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135455775] [2024-12-05 08:32:53,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:32:53,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 232 states [2024-12-05 08:32:53,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:32:53,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2024-12-05 08:32:53,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7253, Invalid=46339, Unknown=0, NotChecked=0, Total=53592 [2024-12-05 08:32:53,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:32:53,070 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:32:53,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 232 states, 232 states have (on average 2.7629310344827585) internal successors, (641), 231 states have internal predecessors, (641), 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) [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:53,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:32:53,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:32:53,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:32:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:32:53,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:32:53,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-05 08:32:53,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:32:53,651 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:32:53,651 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:32:53,652 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #11 [2024-12-05 08:32:53,652 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:32:53,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:32:53,652 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:32:53,652 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 08:32:53,652 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-12-05 08:32:53,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-12-05 08:32:53,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-12-05 08:32:53,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2024-12-05 08:32:53,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 342 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 351 [2024-12-05 08:32:53,653 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:53,653 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-12-05 08:32:53,653 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:53,653 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:32:53,653 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:32:53,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:32:53,654 INFO L85 PathProgramCache]: Analyzing trace with hash 376355545, now seen corresponding path program 20 times [2024-12-05 08:32:53,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:32:53,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553116812] [2024-12-05 08:32:53,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:32:53,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:32:53,714 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:32:53,714 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:33:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 3566 proven. 712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:33:02,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:33:02,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553116812] [2024-12-05 08:33:02,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553116812] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:33:02,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23479028] [2024-12-05 08:33:02,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:33:02,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:33:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:33:02,644 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:33:02,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-05 08:33:02,855 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:33:02,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:33:02,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 08:33:02,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:33:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 2400 proven. 370 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2024-12-05 08:33:06,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:33:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 2470 proven. 300 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2024-12-05 08:33:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23479028] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:33:11,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:33:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 53, 53] total 235 [2024-12-05 08:33:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084275904] [2024-12-05 08:33:11,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:33:11,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 236 states [2024-12-05 08:33:11,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:33:11,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2024-12-05 08:33:11,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7523, Invalid=47937, Unknown=0, NotChecked=0, Total=55460 [2024-12-05 08:33:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:33:11,324 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:33:11,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 236 states, 236 states have (on average 2.7796610169491527) internal successors, (656), 235 states have internal predecessors, (656), 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) [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:33:11,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:33:11,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:33:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:33:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:33:11,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-05 08:33:11,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:33:11,875 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:33:11,875 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:33:11,875 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #12 [2024-12-05 08:33:11,875 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:33:11,875 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 08:33:11,875 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:33:11,875 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 319 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2024-12-05 08:33:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 328 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 331 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 343 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 346 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 352 [2024-12-05 08:33:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:33:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2024-12-05 08:33:11,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:33:11,876 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:33:11,876 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:33:11,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:33:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1638598487, now seen corresponding path program 21 times [2024-12-05 08:33:11,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:33:11,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314975853] [2024-12-05 08:33:11,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:33:11,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:35:19,326 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-12-05 08:35:19,326 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:35:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4303 backedges. 3894 proven. 409 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:35:22,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:35:22,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314975853] [2024-12-05 08:35:22,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314975853] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:35:22,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900914332] [2024-12-05 08:35:22,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:35:22,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:35:22,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:35:22,768 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:35:22,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-05 08:36:45,475 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-12-05 08:36:45,476 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:36:45,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-05 08:36:45,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:36:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4303 backedges. 3598 proven. 325 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-12-05 08:36:48,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:36:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4303 backedges. 3598 proven. 325 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-12-05 08:36:50,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900914332] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:36:50,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:36:50,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 57, 57] total 161 [2024-12-05 08:36:50,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790378752] [2024-12-05 08:36:50,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:36:50,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-12-05 08:36:50,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:36:50,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-12-05 08:36:50,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5569, Invalid=20513, Unknown=0, NotChecked=0, Total=26082 [2024-12-05 08:36:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:36:50,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:36:50,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 4.444444444444445) internal successors, (720), 161 states have internal predecessors, (720), 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) [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:36:50,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:36:50,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:36:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:36:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:36:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:36:50,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-12-05 08:36:51,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:36:51,134 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 1 more)] === [2024-12-05 08:36:51,134 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:36:51,135 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #13 [2024-12-05 08:36:51,135 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:36:51,135 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:36:51,135 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:36:51,135 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 314 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 323 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 347 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-05 08:36:51,135 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-12-05 08:36:51,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2024-12-05 08:36:51,136 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:36:51,136 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-12-05 08:36:51,136 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:36:51,136 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:36:51,136 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:36:51,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:36:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1400715305, now seen corresponding path program 22 times [2024-12-05 08:36:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:36:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560065390] [2024-12-05 08:36:51,136 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:36:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:36:51,193 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:36:51,193 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:36:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4413 backedges. 3348 proven. 630 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-05 08:36:54,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:36:54,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560065390] [2024-12-05 08:36:54,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560065390] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:36:54,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137735049] [2024-12-05 08:36:54,085 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:36:54,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:36:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:36:54,087 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:36:54,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-05 08:36:54,314 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:36:54,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:36:54,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-12-05 08:36:54,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:37:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4413 backedges. 0 proven. 3978 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-05 08:37:00,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:37:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4413 backedges. 3348 proven. 630 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-05 08:37:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137735049] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:37:05,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:37:05,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 110, 83] total 233 [2024-12-05 08:37:05,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839030285] [2024-12-05 08:37:05,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:37:05,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 233 states [2024-12-05 08:37:05,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:37:05,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2024-12-05 08:37:05,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9772, Invalid=44284, Unknown=0, NotChecked=0, Total=54056 [2024-12-05 08:37:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:37:05,142 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:37:05,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 233 states, 233 states have (on average 4.120171673819742) internal successors, (960), 233 states have internal predecessors, (960), 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) [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:37:05,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:37:05,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:37:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 08:37:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2024-12-05 08:37:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-05 08:37:30,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:37:30,420 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 1 more)] === [2024-12-05 08:37:30,420 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:37:30,420 INFO L139 ounterexampleChecker]: Examining path program with hash 253183757, occurence #14 [2024-12-05 08:37:30,420 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:37:30,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:37:30,420 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:37:30,420 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:37:30,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:37:30,420 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:37:30,420 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:37:30,420 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 494 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 512 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 515 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2024-12-05 08:37:30,421 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 533 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2024-12-05 08:37:30,422 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:37:30,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2024-12-05 08:37:30,422 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:37:30,423 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:37:30,423 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:37:30,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:37:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1679931198, now seen corresponding path program 23 times [2024-12-05 08:37:30,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:37:30,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143845262] [2024-12-05 08:37:30,423 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:37:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:37:37,389 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2024-12-05 08:37:37,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:37:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11577 backedges. 11142 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:37:45,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:37:45,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143845262] [2024-12-05 08:37:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143845262] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:37:45,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679917900] [2024-12-05 08:37:45,582 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:37:45,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:37:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:37:45,584 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:37:45,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca43e60f-9511-49a0-b3c9-4cac2c470e41/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process