./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/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_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/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_ea33e781-8346-4277-b43c-7b974f6283e5/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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 09:22:48,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 09:22:48,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 09:22:48,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 09:22:48,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 09:22:48,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 09:22:48,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 09:22:48,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 09:22:48,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 09:22:48,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 09:22:48,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 09:22:48,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 09:22:48,170 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 09:22:48,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 09:22:48,171 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 09:22:48,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 09:22:48,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:22:48,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 09:22:48,173 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 09:22:48,174 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 09:22:48,174 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_ea33e781-8346-4277-b43c-7b974f6283e5/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 -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2024-12-05 09:22:48,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 09:22:48,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 09:22:48,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 09:22:48,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 09:22:48,385 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 09:22:48,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-12-05 09:22:50,974 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/data/d3cc6c23e/0e5a05d86a72401992a4a46d90fe2622/FLAGf4e92e325 [2024-12-05 09:22:51,213 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 09:22:51,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-12-05 09:22:51,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/data/d3cc6c23e/0e5a05d86a72401992a4a46d90fe2622/FLAGf4e92e325 [2024-12-05 09:22:51,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/data/d3cc6c23e/0e5a05d86a72401992a4a46d90fe2622 [2024-12-05 09:22:51,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 09:22:51,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 09:22:51,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 09:22:51,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 09:22:51,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 09:22:51,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3391dd42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51, skipping insertion in model container [2024-12-05 09:22:51,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 09:22:51,709 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_ea33e781-8346-4277-b43c-7b974f6283e5/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-12-05 09:22:51,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:22:51,726 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 09:22:51,749 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_ea33e781-8346-4277-b43c-7b974f6283e5/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-12-05 09:22:51,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:22:51,765 INFO L204 MainTranslator]: Completed translation [2024-12-05 09:22:51,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51 WrapperNode [2024-12-05 09:22:51,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 09:22:51,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 09:22:51,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 09:22:51,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 09:22:51,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,802 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 301 [2024-12-05 09:22:51,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 09:22:51,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 09:22:51,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 09:22:51,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 09:22:51,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,823 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 09:22:51,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 09:22:51,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 09:22:51,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 09:22:51,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (1/1) ... [2024-12-05 09:22:51,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:22:51,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:22:51,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 09:22:51,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 09:22:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 09:22:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 09:22:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 09:22:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 09:22:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 09:22:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 09:22:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 09:22:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 09:22:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 09:22:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 09:22:51,881 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 09:22:51,973 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 09:22:51,974 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 09:22:52,339 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 09:22:52,340 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 09:22:52,635 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 09:22:52,636 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-05 09:22:52,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:22:52 BoogieIcfgContainer [2024-12-05 09:22:52,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 09:22:52,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 09:22:52,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 09:22:52,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 09:22:52,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:22:51" (1/3) ... [2024-12-05 09:22:52,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5c3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:22:52, skipping insertion in model container [2024-12-05 09:22:52,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:22:51" (2/3) ... [2024-12-05 09:22:52,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5c3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:22:52, skipping insertion in model container [2024-12-05 09:22:52,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:22:52" (3/3) ... [2024-12-05 09:22:52,643 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-12-05 09:22:52,654 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 09:22:52,655 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt2.wvr.c that has 5 procedures, 43 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-12-05 09:22:52,655 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 09:22:52,716 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-05 09:22:52,771 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:22:52,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 09:22:52,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:22:52,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 09:22:52,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 09:22:52,847 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 09:22:52,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 09:22:52,866 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;@272a6ffe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:22:52,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-05 09:22:54,107 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:22:54,107 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:22:54,107 INFO L139 ounterexampleChecker]: Examining path program with hash 652199536, occurence #1 [2024-12-05 09:22:54,108 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:22:54,108 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:22:54,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash 830905528, now seen corresponding path program 1 times [2024-12-05 09:22:54,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:22:54,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19409023] [2024-12-05 09:22:54,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:55,055 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 09:22:55,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:22:55,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19409023] [2024-12-05 09:22:55,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19409023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:22:55,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:22:55,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:22:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670057535] [2024-12-05 09:22:55,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:22:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:22:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:22:55,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:22:55,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:22:55,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:55,083 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:22:55,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 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 09:22:55,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:55,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:55,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 09:22:55,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:22:55,213 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:22:55,213 INFO L139 ounterexampleChecker]: Examining path program with hash 652199536, occurence #2 [2024-12-05 09:22:55,213 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:22:55,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:22:55,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:22:55,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 09:22:55,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 09:22:55,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:22:55,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 09:22:55,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-05 09:22:55,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:55,352 INFO L85 PathProgramCache]: Analyzing trace with hash 723756794, now seen corresponding path program 1 times [2024-12-05 09:22:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:22:55,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233690568] [2024-12-05 09:22:55,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:55,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:55,732 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:22:55,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233690568] [2024-12-05 09:22:55,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233690568] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:22:55,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:22:55,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 09:22:55,734 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 61. Constructing proof automaton... [2024-12-05 09:22:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:22:55,735 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-05 09:22:55,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:22:55,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-05 09:22:55,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:22:55,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:22:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:55,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:22:55,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 09:22:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:55,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:55,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 09:22:55,836 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:22:55,837 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:22:55,837 INFO L139 ounterexampleChecker]: Examining path program with hash 652199536, occurence #3 [2024-12-05 09:22:55,837 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:22:55,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:22:55,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:22:55,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:22:55,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 09:22:55,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 09:22:55,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 09:22:55,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:55,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 09:22:55,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1804071319, now seen corresponding path program 1 times [2024-12-05 09:22:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:22:55,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522377959] [2024-12-05 09:22:55,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:56,274 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:22:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522377959] [2024-12-05 09:22:56,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522377959] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [997550527] [2024-12-05 09:22:56,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:56,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:56,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:22:56,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:22:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:56,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [997550527] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:56,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:22:56,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-05 09:22:56,491 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:22:56,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-05 09:22:56,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:56,588 INFO L85 PathProgramCache]: Analyzing trace with hash 716674186, now seen corresponding path program 1 times [2024-12-05 09:22:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:22:56,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6862919] [2024-12-05 09:22:56,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:56,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:56,924 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:22:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6862919] [2024-12-05 09:22:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6862919] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [502583768] [2024-12-05 09:22:56,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:56,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:22:56,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:22:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:57,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [502583768] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:57,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:22:57,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-12-05 09:22:57,144 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:22:57,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:22:57,144 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:57,144 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:22:57,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:22:57,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:57,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1455392344, now seen corresponding path program 1 times [2024-12-05 09:22:57,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:22:57,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472633080] [2024-12-05 09:22:57,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:57,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:57,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:22:57,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472633080] [2024-12-05 09:22:57,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472633080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:57,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938949427] [2024-12-05 09:22:57,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:57,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:22:57,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:22:57,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:22:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 09:22:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:57,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:22:57,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:22:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:57,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:22:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:22:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938949427] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:22:58,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:22:58,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-12-05 09:22:58,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900078571] [2024-12-05 09:22:58,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:22:58,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-05 09:22:58,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:22:58,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-05 09:22:58,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-12-05 09:22:58,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:58,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:22:58,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 13 states have internal predecessors, (120), 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 09:22:58,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:22:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:22:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:22:58,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 09:22:58,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-12-05 09:22:58,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:22:58,388 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:22:58,389 INFO L139 ounterexampleChecker]: Examining path program with hash 652199536, occurence #4 [2024-12-05 09:22:58,389 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:22:58,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:22:58,389 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:22:58,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 09:22:58,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:58,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 09:22:58,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:58,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:22:58,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:58,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 09:22:58,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:58,390 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-05 09:22:58,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash 867884303, now seen corresponding path program 1 times [2024-12-05 09:22:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:22:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068783292] [2024-12-05 09:22:58,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:22:58,813 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:22:58,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068783292] [2024-12-05 09:22:58,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068783292] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:58,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1910559172] [2024-12-05 09:22:58,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:58,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 09:22:58,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:22:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:22:59,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1910559172] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:59,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:22:59,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-12-05 09:22:59,064 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:22:59,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-12-05 09:22:59,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash 605143856, now seen corresponding path program 1 times [2024-12-05 09:22:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:22:59,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831105454] [2024-12-05 09:22:59,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:59,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:22:59,476 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:22:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831105454] [2024-12-05 09:22:59,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831105454] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:59,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1068833811] [2024-12-05 09:22:59,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:22:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:22:59,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 09:22:59,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:22:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:22:59,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1068833811] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:22:59,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:22:59,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-12-05 09:22:59,763 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:22:59,763 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-12-05 09:22:59,763 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:22:59,763 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:22:59,763 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:22:59,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:22:59,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1087038392, now seen corresponding path program 2 times [2024-12-05 09:22:59,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:22:59,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70867377] [2024-12-05 09:22:59,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:22:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:22:59,821 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 09:22:59,821 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 09:23:00,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70867377] [2024-12-05 09:23:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70867377] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:00,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:00,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 09:23:00,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353711582] [2024-12-05 09:23:00,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:00,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:23:00,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:00,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:23:00,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:23:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:00,245 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:00,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:23:00,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:00,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:00,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-12-05 09:23:00,482 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:00,482 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:00,482 INFO L139 ounterexampleChecker]: Examining path program with hash 334297519, occurence #1 [2024-12-05 09:23:00,482 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:00,483 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:00,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:00,483 INFO L85 PathProgramCache]: Analyzing trace with hash -858029402, now seen corresponding path program 3 times [2024-12-05 09:23:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:00,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329813235] [2024-12-05 09:23:00,483 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:00,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:00,558 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-05 09:23:00,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-05 09:23:00,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:00,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329813235] [2024-12-05 09:23:00,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329813235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:00,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-05 09:23:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217145833] [2024-12-05 09:23:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:00,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-05 09:23:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:00,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-05 09:23:00,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-05 09:23:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:00,833 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:00,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 09:23:00,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:00,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:00,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:00,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:01,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-05 09:23:01,546 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:01,546 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:01,546 INFO L139 ounterexampleChecker]: Examining path program with hash -1463520956, occurence #1 [2024-12-05 09:23:01,547 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:01,547 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:01,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -238692943, now seen corresponding path program 4 times [2024-12-05 09:23:01,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:01,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482529147] [2024-12-05 09:23:01,547 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:01,638 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:01,638 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:23:02,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:02,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482529147] [2024-12-05 09:23:02,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482529147] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:02,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747315782] [2024-12-05 09:23:02,465 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:02,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:02,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:02,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:02,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 09:23:02,667 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:02,667 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:02,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 09:23:02,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 09:23:03,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:03,239 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 12 treesize of output 4 [2024-12-05 09:23:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 09:23:03,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747315782] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:03,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 36 [2024-12-05 09:23:03,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650926766] [2024-12-05 09:23:03,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:03,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-05 09:23:03,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:03,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-05 09:23:03,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=1011, Unknown=0, NotChecked=0, Total=1332 [2024-12-05 09:23:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:03,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:03,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.135135135135135) internal successors, (264), 36 states have internal predecessors, (264), 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 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:03,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:04,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 09:23:04,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-05 09:23:04,197 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:04,197 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:04,197 INFO L139 ounterexampleChecker]: Examining path program with hash 127169677, occurence #1 [2024-12-05 09:23:04,198 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:04,198 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:04,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash 647542380, now seen corresponding path program 5 times [2024-12-05 09:23:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83471867] [2024-12-05 09:23:04,198 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:04,373 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-05 09:23:04,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-05 09:23:04,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:04,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83471867] [2024-12-05 09:23:04,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83471867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:04,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:04,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 09:23:04,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903599881] [2024-12-05 09:23:04,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:04,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:23:04,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:04,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:23:04,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:23:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:04,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:04,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:04,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-05 09:23:04,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:04,874 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:04,874 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #1 [2024-12-05 09:23:04,874 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:04,874 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:04,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1180794337, now seen corresponding path program 6 times [2024-12-05 09:23:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:04,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589696430] [2024-12-05 09:23:04,875 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:04,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:04,940 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-05 09:23:04,940 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:05,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589696430] [2024-12-05 09:23:05,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589696430] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992434709] [2024-12-05 09:23:05,420 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:05,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:05,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 09:23:05,581 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-05 09:23:05,581 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:05,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 09:23:05,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:06,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:06,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992434709] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:06,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:06,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 12] total 28 [2024-12-05 09:23:06,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379230819] [2024-12-05 09:23:06,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:06,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-05 09:23:06,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:06,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-05 09:23:06,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2024-12-05 09:23:06,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:06,532 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:06,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.344827586206897) internal successors, (126), 28 states have internal predecessors, (126), 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 09:23:06,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:06,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:08,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 09:23:08,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-05 09:23:08,818 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:08,818 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:08,818 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #2 [2024-12-05 09:23:08,818 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:08,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:08,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:08,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 09:23:08,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:08,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:08,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:08,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 09:23:08,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:08,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 09:23:08,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:08,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-05 09:23:08,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:08,819 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:08,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:08,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:08,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1170137067, now seen corresponding path program 7 times [2024-12-05 09:23:08,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:08,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949707236] [2024-12-05 09:23:08,820 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:08,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:09,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949707236] [2024-12-05 09:23:09,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949707236] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:09,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852649638] [2024-12-05 09:23:09,096 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:09,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:09,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:09,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 09:23:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:09,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 09:23:09,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:09,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:09,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852649638] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:09,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:09,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-05 09:23:09,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56743345] [2024-12-05 09:23:09,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:09,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-05 09:23:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:09,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-05 09:23:09,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-12-05 09:23:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:09,605 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:09,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 18 states have internal predecessors, (114), 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 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:09,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:09,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 09:23:09,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-05 09:23:09,961 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:09,962 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:09,962 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #3 [2024-12-05 09:23:09,962 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:09,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:09,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 09:23:09,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 09:23:09,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 09:23:09,962 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-05 09:23:09,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:09,963 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:09,963 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:09,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:09,963 INFO L85 PathProgramCache]: Analyzing trace with hash 350791615, now seen corresponding path program 8 times [2024-12-05 09:23:09,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:09,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494441633] [2024-12-05 09:23:09,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:10,018 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:10,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 09:23:10,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494441633] [2024-12-05 09:23:10,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494441633] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59735886] [2024-12-05 09:23:10,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:10,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:10,421 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:10,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 09:23:10,624 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:10,625 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:10,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 09:23:10,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 09:23:11,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 09:23:11,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59735886] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:11,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:11,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 15] total 35 [2024-12-05 09:23:11,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973772220] [2024-12-05 09:23:11,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:11,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-05 09:23:11,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:11,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-05 09:23:11,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2024-12-05 09:23:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:11,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:11,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.555555555555555) internal successors, (164), 35 states have internal predecessors, (164), 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 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:11,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:19,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 09:23:19,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-05 09:23:19,502 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:19,502 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:19,502 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #4 [2024-12-05 09:23:19,502 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:19,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:19,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:19,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 09:23:19,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:19,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 09:23:19,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:19,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 09:23:19,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:19,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-05 09:23:19,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:19,503 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:19,503 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:19,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:19,503 INFO L85 PathProgramCache]: Analyzing trace with hash -2109722281, now seen corresponding path program 9 times [2024-12-05 09:23:19,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:19,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341458046] [2024-12-05 09:23:19,504 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:19,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:19,650 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 09:23:19,650 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 09:23:20,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:20,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341458046] [2024-12-05 09:23:20,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341458046] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:20,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178028078] [2024-12-05 09:23:20,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:20,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:20,178 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 09:23:20,482 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 09:23:20,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:20,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 09:23:20,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 65 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 09:23:20,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 09:23:20,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178028078] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:20,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:20,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 27 [2024-12-05 09:23:20,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526022831] [2024-12-05 09:23:20,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:20,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-05 09:23:20,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:20,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-05 09:23:20,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2024-12-05 09:23:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:20,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 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 09:23:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:21,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:21,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 09:23:21,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:21,347 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:21,347 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:21,347 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #5 [2024-12-05 09:23:21,347 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:21,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:21,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 09:23:21,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 09:23:21,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 09:23:21,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 09:23:21,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:21,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:23:21,348 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:21,348 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:21,348 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:21,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:21,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1523392515, now seen corresponding path program 10 times [2024-12-05 09:23:21,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:21,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639471756] [2024-12-05 09:23:21,349 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:21,391 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:21,391 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 60 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:21,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:21,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639471756] [2024-12-05 09:23:21,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639471756] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:21,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899489102] [2024-12-05 09:23:21,815 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:21,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:21,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:21,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 09:23:22,009 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:22,009 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:22,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 09:23:22,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:22,158 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 13 treesize of output 5 [2024-12-05 09:23:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 42 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:22,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:22,586 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 14 treesize of output 6 [2024-12-05 09:23:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 69 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:22,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899489102] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:22,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:22,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 34 [2024-12-05 09:23:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091761263] [2024-12-05 09:23:22,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:22,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-05 09:23:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:22,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-05 09:23:22,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2024-12-05 09:23:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:22,794 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:22,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.176470588235294) internal successors, (244), 34 states have internal predecessors, (244), 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 09:23:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:22,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:22,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:22,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 09:23:23,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:23,124 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:23,124 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:23,125 INFO L139 ounterexampleChecker]: Examining path program with hash 1471398952, occurence #6 [2024-12-05 09:23:23,125 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:23,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 09:23:23,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 09:23:23,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 09:23:23,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 09:23:23,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:23,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-05 09:23:23,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:23,125 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:23,125 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:23,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:23,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1814165801, now seen corresponding path program 11 times [2024-12-05 09:23:23,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:23,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442013761] [2024-12-05 09:23:23,125 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:23,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:23,209 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 09:23:23,209 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-05 09:23:23,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:23,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442013761] [2024-12-05 09:23:23,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442013761] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:23,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801709030] [2024-12-05 09:23:23,965 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:23,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:23,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 09:23:24,277 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 09:23:24,277 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:24,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 09:23:24,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 09:23:25,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 09:23:25,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801709030] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:25,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:25,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 40 [2024-12-05 09:23:25,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674453859] [2024-12-05 09:23:25,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:25,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-12-05 09:23:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:25,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-12-05 09:23:25,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1417, Unknown=0, NotChecked=0, Total=1640 [2024-12-05 09:23:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:25,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:25,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.0) internal successors, (205), 40 states have internal predecessors, (205), 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 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-05 09:23:33,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 09:23:33,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-05 09:23:33,311 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:33,311 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:33,311 INFO L139 ounterexampleChecker]: Examining path program with hash -2132312301, occurence #1 [2024-12-05 09:23:33,311 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:33,311 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:33,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1765361663, now seen corresponding path program 12 times [2024-12-05 09:23:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:33,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921609674] [2024-12-05 09:23:33,312 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:33,524 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 09:23:33,524 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 52 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 09:23:34,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:34,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921609674] [2024-12-05 09:23:34,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921609674] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:34,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545374445] [2024-12-05 09:23:34,224 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:34,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:34,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:34,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 09:23:34,528 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 09:23:34,528 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:34,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 09:23:34,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 96 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 09:23:34,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 63 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 09:23:35,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545374445] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:35,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:35,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 15] total 44 [2024-12-05 09:23:35,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384120030] [2024-12-05 09:23:35,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:35,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-05 09:23:35,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:35,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-05 09:23:35,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1618, Unknown=0, NotChecked=0, Total=1980 [2024-12-05 09:23:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:35,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:35,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.4) internal successors, (243), 44 states have internal predecessors, (243), 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 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-05 09:23:35,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-12-05 09:23:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:23:35,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 09:23:35,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-05 09:23:35,849 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:23:35,849 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:35,849 INFO L139 ounterexampleChecker]: Examining path program with hash -2132312301, occurence #2 [2024-12-05 09:23:35,849 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:35,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:35,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:35,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:35,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:35,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 09:23:35,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:35,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 09:23:35,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:35,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 09:23:35,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:35,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-05 09:23:35,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:35,850 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:35,850 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:35,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:35,850 INFO L85 PathProgramCache]: Analyzing trace with hash 255824269, now seen corresponding path program 13 times [2024-12-05 09:23:35,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:35,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335577141] [2024-12-05 09:23:35,850 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:35,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 9 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:48,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:48,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335577141] [2024-12-05 09:23:48,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335577141] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:48,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188973679] [2024-12-05 09:23:48,249 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:48,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:48,251 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:48,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 09:23:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:48,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-05 09:23:48,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:55,018 INFO L349 Elim1Store]: treesize reduction 405, result has 30.8 percent of original size [2024-12-05 09:23:55,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 340 treesize of output 235 [2024-12-05 09:23:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 51 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 09:23:55,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:06,369 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 678 DAG size of output: 525 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-05 09:24:06,369 INFO L349 Elim1Store]: treesize reduction 627, result has 78.0 percent of original size [2024-12-05 09:24:06,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 262 treesize of output 2293 [2024-12-05 09:33:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-05 09:33:57,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188973679] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:33:57,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:33:57,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 31, 25] total 91 [2024-12-05 09:33:57,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858178634] [2024-12-05 09:33:57,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:33:57,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-12-05 09:33:57,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:33:57,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-12-05 09:33:57,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=749, Invalid=7623, Unknown=0, NotChecked=0, Total=8372 [2024-12-05 09:33:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:33:57,462 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:33:57,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 3.260869565217391) internal successors, (300), 91 states have internal predecessors, (300), 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 09:33:57,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:33:57,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:33:57,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:33:57,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:08,292 WARN L331 ript$VariableManager]: TermVariable v_subst_12 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:08,293 WARN L331 ript$VariableManager]: TermVariable v_subst_9 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:08,293 WARN L331 ript$VariableManager]: TermVariable v_subst_11 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:08,293 WARN L331 ript$VariableManager]: TermVariable v_subst_10 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:09,272 WARN L331 ript$VariableManager]: TermVariable v_subst_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:09,272 WARN L331 ript$VariableManager]: TermVariable v_subst_14 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:09,272 WARN L331 ript$VariableManager]: TermVariable v_subst_13 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:09,272 WARN L331 ript$VariableManager]: TermVariable v_subst_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:34:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:20,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-05 09:34:20,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-05 09:34:20,609 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:34:20,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:34:20,609 INFO L139 ounterexampleChecker]: Examining path program with hash -1479627777, occurence #1 [2024-12-05 09:34:20,609 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:34:20,609 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:34:20,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash 569402805, now seen corresponding path program 14 times [2024-12-05 09:34:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:34:20,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537719582] [2024-12-05 09:34:20,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:34:20,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:20,717 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:34:20,717 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 305 proven. 311 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-05 09:34:21,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:34:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537719582] [2024-12-05 09:34:21,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537719582] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375909679] [2024-12-05 09:34:21,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:34:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:34:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:34:21,516 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:34:21,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-05 09:34:21,795 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:34:21,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:21,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 09:34:21,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 593 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 09:34:22,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:34:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 465 proven. 149 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 09:34:22,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375909679] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:34:22,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:34:22,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-12-05 09:34:22,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006375174] [2024-12-05 09:34:22,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:34:22,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-12-05 09:34:22,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:34:22,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-12-05 09:34:22,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1330, Unknown=0, NotChecked=0, Total=1722 [2024-12-05 09:34:22,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:22,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:34:22,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.023809523809524) internal successors, (295), 42 states have internal predecessors, (295), 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 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:22,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:34:23,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-05 09:34:23,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:34:23,427 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:34:23,427 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:34:23,427 INFO L139 ounterexampleChecker]: Examining path program with hash -1479627777, occurence #2 [2024-12-05 09:34:23,427 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:34:23,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:34:23,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:34:23,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 09:34:23,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:23,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 09:34:23,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:23,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 09:34:23,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:23,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 09:34:23,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:23,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-12-05 09:34:23,428 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:23,428 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:34:23,428 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:34:23,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash 339754377, now seen corresponding path program 15 times [2024-12-05 09:34:23,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:34:23,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358106402] [2024-12-05 09:34:23,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:34:23,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:23,532 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 09:34:23,532 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2024-12-05 09:34:23,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:34:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358106402] [2024-12-05 09:34:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358106402] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:34:23,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:34:23,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 09:34:23,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334775039] [2024-12-05 09:34:23,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:34:23,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:34:23,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:34:23,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:34:23,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:34:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:23,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:34:23,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:34:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:34:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:24,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-05 09:34:24,474 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:34:24,474 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:34:24,474 INFO L139 ounterexampleChecker]: Examining path program with hash 82282063, occurence #1 [2024-12-05 09:34:24,474 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:34:24,474 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:34:24,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1795835472, now seen corresponding path program 16 times [2024-12-05 09:34:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:34:24,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201950945] [2024-12-05 09:34:24,474 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:34:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:24,651 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:34:24,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1087 backedges. 981 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 09:34:26,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:34:26,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201950945] [2024-12-05 09:34:26,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201950945] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:26,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476550242] [2024-12-05 09:34:26,371 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:34:26,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:34:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:34:26,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:34:26,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-05 09:34:26,750 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:34:26,750 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:26,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 09:34:26,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1087 backedges. 903 proven. 116 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 09:34:28,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:34:28,419 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 12 treesize of output 4 [2024-12-05 09:34:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1087 backedges. 919 proven. 100 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-05 09:34:29,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476550242] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:34:29,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:34:29,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 75 [2024-12-05 09:34:29,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285187831] [2024-12-05 09:34:29,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:34:29,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-12-05 09:34:29,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:34:29,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-12-05 09:34:29,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1381, Invalid=4319, Unknown=0, NotChecked=0, Total=5700 [2024-12-05 09:34:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:29,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:34:29,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 7.631578947368421) internal successors, (580), 75 states have internal predecessors, (580), 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 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:29,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:29,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:34:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:34:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:34:30,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-05 09:34:30,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-05 09:34:30,316 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:34:30,317 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:34:30,317 INFO L139 ounterexampleChecker]: Examining path program with hash 82282063, occurence #2 [2024-12-05 09:34:30,317 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:34:30,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 09:34:30,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 09:34:30,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 09:34:30,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 09:34:30,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:30,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-12-05 09:34:30,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:30,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1905402194, now seen corresponding path program 1 times [2024-12-05 09:34:30,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:34:30,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812683453] [2024-12-05 09:34:30,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:30,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 44 proven. 436 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-12-05 09:34:31,324 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:34:31,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812683453] [2024-12-05 09:34:31,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812683453] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:31,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1642036497] [2024-12-05 09:34:31,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:31,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 09:34:31,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 446 proven. 34 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-12-05 09:34:32,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1642036497] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:32,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:34:32,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-12-05 09:34:32,178 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:34:32,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-12-05 09:34:32,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:32,225 INFO L85 PathProgramCache]: Analyzing trace with hash 310635469, now seen corresponding path program 1 times [2024-12-05 09:34:32,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:34:32,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990056142] [2024-12-05 09:34:32,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 427 proven. 591 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-05 09:34:34,025 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:34:34,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990056142] [2024-12-05 09:34:34,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990056142] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:34,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [364231234] [2024-12-05 09:34:34,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:34,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:34,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 09:34:34,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 913 proven. 105 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-05 09:34:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [364231234] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:35,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:34:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2024-12-05 09:34:35,643 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:34:35,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-12-05 09:34:35,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:35,685 INFO L85 PathProgramCache]: Analyzing trace with hash 591533560, now seen corresponding path program 1 times [2024-12-05 09:34:35,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:34:35,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88940295] [2024-12-05 09:34:35,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 427 proven. 591 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-05 09:34:37,434 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:34:37,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88940295] [2024-12-05 09:34:37,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88940295] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:37,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [915897716] [2024-12-05 09:34:37,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:37,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:37,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 09:34:37,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 913 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-05 09:34:39,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [915897716] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:39,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:34:39,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2024-12-05 09:34:39,135 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:34:39,135 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-12-05 09:34:39,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1157665583, now seen corresponding path program 1 times [2024-12-05 09:34:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:34:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977058899] [2024-12-05 09:34:39,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 396 proven. 610 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 09:34:40,893 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:34:40,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977058899] [2024-12-05 09:34:40,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977058899] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:40,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [603839861] [2024-12-05 09:34:40,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:34:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:34:41,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 09:34:41,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 901 proven. 105 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-05 09:34:42,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [603839861] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:42,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:34:42,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2024-12-05 09:34:42,572 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:34:42,572 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 280 is hopeless, skipping. [2024-12-05 09:34:42,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2024-12-05 09:34:42,572 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:34:42,572 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:34:42,572 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:34:42,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:34:42,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2136711632, now seen corresponding path program 17 times [2024-12-05 09:34:42,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:34:42,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913211197] [2024-12-05 09:34:42,573 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:34:42,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:34:43,082 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-05 09:34:43,082 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 29 proven. 196 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-12-05 09:34:44,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:34:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913211197] [2024-12-05 09:34:44,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913211197] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:34:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807829695] [2024-12-05 09:34:44,622 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:34:44,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:34:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:34:44,623 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:34:44,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-05 09:34:57,916 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-05 09:34:57,916 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:34:57,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 09:34:57,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:34:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 878 proven. 222 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 09:34:59,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:35:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 739 proven. 361 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-05 09:35:00,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807829695] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:35:00,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:35:00,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 31, 31] total 66 [2024-12-05 09:35:00,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52938759] [2024-12-05 09:35:00,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:35:00,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-12-05 09:35:00,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:00,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-12-05 09:35:00,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=944, Invalid=3346, Unknown=0, NotChecked=0, Total=4290 [2024-12-05 09:35:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:00,554 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:00,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.878787878787879) internal successors, (454), 66 states have internal predecessors, (454), 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 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:00,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:01,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-05 09:35:01,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-12-05 09:35:01,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:01,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:01,506 INFO L139 ounterexampleChecker]: Examining path program with hash 1968463623, occurence #1 [2024-12-05 09:35:01,506 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:35:01,506 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:01,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1783179559, now seen corresponding path program 18 times [2024-12-05 09:35:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:01,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285031281] [2024-12-05 09:35:01,507 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:35:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:01,624 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 09:35:01,625 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2024-12-05 09:35:01,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:01,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285031281] [2024-12-05 09:35:01,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285031281] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:01,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421431153] [2024-12-05 09:35:01,873 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:35:01,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:35:01,875 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:35:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-05 09:35:02,323 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 09:35:02,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:02,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 09:35:02,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2024-12-05 09:35:02,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:35:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2024-12-05 09:35:02,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421431153] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:35:02,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:35:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 14 [2024-12-05 09:35:02,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118765903] [2024-12-05 09:35:02,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:35:02,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-05 09:35:02,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:02,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-05 09:35:02,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-05 09:35:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:02,811 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:02,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.928571428571429) internal successors, (111), 14 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 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:02,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:03,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:03,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-05 09:35:03,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:03,740 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:03,740 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:03,741 INFO L139 ounterexampleChecker]: Examining path program with hash -1338411209, occurence #1 [2024-12-05 09:35:03,741 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:35:03,741 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:03,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:03,741 INFO L85 PathProgramCache]: Analyzing trace with hash -136499199, now seen corresponding path program 19 times [2024-12-05 09:35:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354514150] [2024-12-05 09:35:03,741 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:35:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 909 proven. 217 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 09:35:05,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:05,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354514150] [2024-12-05 09:35:05,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354514150] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:05,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767240070] [2024-12-05 09:35:05,475 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:35:05,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:35:05,477 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:35:05,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-05 09:35:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:05,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 09:35:05,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 861 proven. 28 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-12-05 09:35:06,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:35:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 710 proven. 179 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-12-05 09:35:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767240070] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:35:07,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:35:07,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 18, 18] total 65 [2024-12-05 09:35:07,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870704846] [2024-12-05 09:35:07,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:35:07,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-05 09:35:07,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:07,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-05 09:35:07,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=3581, Unknown=0, NotChecked=0, Total=4160 [2024-12-05 09:35:07,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:07,640 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:07,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.953846153846154) internal successors, (452), 65 states have internal predecessors, (452), 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 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:07,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:08,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:08,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-05 09:35:08,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-12-05 09:35:08,584 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:08,584 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:08,585 INFO L139 ounterexampleChecker]: Examining path program with hash -1338411209, occurence #2 [2024-12-05 09:35:08,585 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:35:08,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:35:08,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:35:08,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 09:35:08,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:08,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 09:35:08,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:08,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 09:35:08,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:08,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 09:35:08,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:08,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-12-05 09:35:08,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1054853721, now seen corresponding path program 1 times [2024-12-05 09:35:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:35:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395355714] [2024-12-05 09:35:08,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:08,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 83 proven. 526 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-12-05 09:35:09,655 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:35:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395355714] [2024-12-05 09:35:09,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395355714] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [297091233] [2024-12-05 09:35:09,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:09,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:09,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 09:35:09,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 565 proven. 44 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-12-05 09:35:10,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [297091233] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:10,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:35:10,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-05 09:35:10,623 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:35:10,623 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-05 09:35:10,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:10,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1538666990, now seen corresponding path program 1 times [2024-12-05 09:35:10,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:35:10,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900643294] [2024-12-05 09:35:10,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 45 proven. 444 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2024-12-05 09:35:11,724 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:35:11,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900643294] [2024-12-05 09:35:11,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900643294] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:11,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [561951671] [2024-12-05 09:35:11,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:11,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 09:35:11,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 447 proven. 42 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2024-12-05 09:35:12,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [561951671] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:12,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:35:12,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-05 09:35:12,622 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:35:12,622 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-05 09:35:12,622 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:12,622 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:35:12,623 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1458946399, now seen corresponding path program 20 times [2024-12-05 09:35:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734748549] [2024-12-05 09:35:12,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:35:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:12,745 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:35:12,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 875 proven. 173 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-05 09:35:14,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734748549] [2024-12-05 09:35:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734748549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117929448] [2024-12-05 09:35:14,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:35:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:35:14,111 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:35:14,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-05 09:35:14,590 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:35:14,590 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:14,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 09:35:14,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 914 proven. 36 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-12-05 09:35:15,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:35:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 740 proven. 210 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2024-12-05 09:35:16,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117929448] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:35:16,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:35:16,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 20, 20] total 63 [2024-12-05 09:35:16,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630542945] [2024-12-05 09:35:16,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:35:16,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-05 09:35:16,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:16,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-05 09:35:16,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=3078, Unknown=0, NotChecked=0, Total=3906 [2024-12-05 09:35:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:16,224 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:16,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.222222222222222) internal successors, (455), 63 states have internal predecessors, (455), 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 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:16,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:16,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:16,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-05 09:35:16,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-12-05 09:35:16,657 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:16,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:16,657 INFO L139 ounterexampleChecker]: Examining path program with hash -1338411209, occurence #3 [2024-12-05 09:35:16,657 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:35:16,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:35:16,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:35:16,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 09:35:16,657 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:16,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 09:35:16,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:16,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 09:35:16,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:16,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-05 09:35:16,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:16,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-12-05 09:35:16,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:16,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1447155957, now seen corresponding path program 1 times [2024-12-05 09:35:16,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:35:16,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943783158] [2024-12-05 09:35:16,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:16,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 134 proven. 580 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-05 09:35:17,795 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:35:17,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943783158] [2024-12-05 09:35:17,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943783158] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:17,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [300905332] [2024-12-05 09:35:17,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:17,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 09:35:17,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 659 proven. 55 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-05 09:35:18,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [300905332] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:18,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:35:18,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-12-05 09:35:18,785 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:35:18,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-05 09:35:18,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:18,844 INFO L85 PathProgramCache]: Analyzing trace with hash -267428448, now seen corresponding path program 1 times [2024-12-05 09:35:18,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:35:18,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719645972] [2024-12-05 09:35:18,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:18,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 86 proven. 535 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-12-05 09:35:19,936 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:35:19,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719645972] [2024-12-05 09:35:19,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719645972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1172451358] [2024-12-05 09:35:19,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:20,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 09:35:20,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 568 proven. 53 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-12-05 09:35:20,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1172451358] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:20,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:35:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2024-12-05 09:35:20,942 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:35:20,942 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-05 09:35:20,942 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:20,942 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:35:20,942 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:20,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1613329525, now seen corresponding path program 21 times [2024-12-05 09:35:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008695610] [2024-12-05 09:35:20,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:35:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:20,991 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-05 09:35:20,991 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2024-12-05 09:35:21,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:21,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008695610] [2024-12-05 09:35:21,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008695610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:21,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:21,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 09:35:21,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327813535] [2024-12-05 09:35:21,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:21,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:35:21,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:21,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 09:35:21,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-05 09:35:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:21,114 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:21,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:21,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:21,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:21,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:21,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:21,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46 [2024-12-05 09:35:21,788 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:21,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:21,788 INFO L139 ounterexampleChecker]: Examining path program with hash -694515850, occurence #1 [2024-12-05 09:35:21,788 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:35:21,788 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:21,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:21,789 INFO L85 PathProgramCache]: Analyzing trace with hash 641568680, now seen corresponding path program 22 times [2024-12-05 09:35:21,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:21,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714551165] [2024-12-05 09:35:21,789 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:35:21,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:21,933 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:35:21,933 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 951 proven. 107 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-05 09:35:23,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714551165] [2024-12-05 09:35:23,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714551165] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:23,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496495243] [2024-12-05 09:35:23,737 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:35:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:35:23,738 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:35:23,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-05 09:35:24,265 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:35:24,265 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:24,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 09:35:24,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:35:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 1022 proven. 45 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-12-05 09:35:28,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:35:32,373 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 09:35:32,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-12-05 09:35:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 954 proven. 113 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-12-05 09:35:32,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496495243] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:35:32,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:35:32,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 94 [2024-12-05 09:35:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162452974] [2024-12-05 09:35:32,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:35:32,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-12-05 09:35:32,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:35:32,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-12-05 09:35:32,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2382, Invalid=6360, Unknown=0, NotChecked=0, Total=8742 [2024-12-05 09:35:32,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:32,934 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:32,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 7.627659574468085) internal successors, (717), 94 states have internal predecessors, (717), 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 09:35:32,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:32,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:32,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 09:35:33,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-05 09:35:33,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-12-05 09:35:33,521 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:33,521 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:33,521 INFO L139 ounterexampleChecker]: Examining path program with hash -694515850, occurence #2 [2024-12-05 09:35:33,521 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:35:33,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:35:33,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:35:33,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 09:35:33,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:33,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-05 09:35:33,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:33,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-05 09:35:33,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:33,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 09:35:33,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:35:33,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-05 09:35:33,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:33,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1239504003, now seen corresponding path program 1 times [2024-12-05 09:35:33,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:35:33,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869407872] [2024-12-05 09:35:33,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:35:33,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:35:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-12-05 09:35:34,711 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:35:34,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869407872] [2024-12-05 09:35:34,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869407872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:35:34,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:35:34,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-05 09:35:34,712 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 259. Constructing proof automaton... [2024-12-05 09:35:34,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:35:34,712 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-05 09:35:34,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 09:35:34,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-05 09:35:34,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-05 09:35:34,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-05 09:35:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:34,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:35:34,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 09:35:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:35:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 09:35:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:35:35,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-05 09:35:35,506 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:35:35,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:35:35,507 INFO L139 ounterexampleChecker]: Examining path program with hash -858965784, occurence #1 [2024-12-05 09:35:35,507 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:35:35,507 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:35:35,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:35:35,507 INFO L85 PathProgramCache]: Analyzing trace with hash 711214725, now seen corresponding path program 23 times [2024-12-05 09:35:35,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:35:35,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015036442] [2024-12-05 09:35:35,507 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:35:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:35:36,123 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-05 09:35:36,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:35:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-12-05 09:35:37,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:35:37,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015036442] [2024-12-05 09:35:37,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015036442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:35:37,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761586582] [2024-12-05 09:35:37,882 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:35:37,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:35:37,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:35:37,883 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:35:37,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-05 09:36:04,421 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-05 09:36:04,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:36:04,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 09:36:04,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:36:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-12-05 09:36:07,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:36:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1363 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-12-05 09:36:09,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761586582] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:36:09,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:36:09,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 41, 41] total 89 [2024-12-05 09:36:09,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241265431] [2024-12-05 09:36:09,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:36:09,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-12-05 09:36:09,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:36:09,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-12-05 09:36:09,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1548, Invalid=6462, Unknown=0, NotChecked=0, Total=8010 [2024-12-05 09:36:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:09,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:36:09,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 5.611111111111111) internal successors, (505), 89 states have internal predecessors, (505), 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 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:36:09,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:09,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:36:31,748 WARN L331 ript$VariableManager]: TermVariable v_subst_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:36:31,748 WARN L331 ript$VariableManager]: TermVariable v_subst_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-05 09:36:35,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:36:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-12-05 09:36:35,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-12-05 09:36:35,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-05 09:36:35,240 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-05 09:36:35,240 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:36:35,240 INFO L139 ounterexampleChecker]: Examining path program with hash 1093411309, occurence #1 [2024-12-05 09:36:35,240 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:36:35,240 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:36:35,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:36:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash -961528571, now seen corresponding path program 24 times [2024-12-05 09:36:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:36:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185610275] [2024-12-05 09:36:35,241 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:36:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:36:41,673 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-12-05 09:36:41,673 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:36:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 659 proven. 2024 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2024-12-05 09:36:44,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:36:44,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185610275] [2024-12-05 09:36:44,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185610275] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:36:44,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379919190] [2024-12-05 09:36:44,751 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:36:44,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:36:44,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:36:44,753 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:36:44,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea33e781-8346-4277-b43c-7b974f6283e5/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process