./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.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_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/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_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/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_e46dd438-b23a-452b-acf3-b7a96f949b96/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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:18:44,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:18:44,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:18:44,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:18:44,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:18:44,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:18:44,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:18:44,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:18:44,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:18:44,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:18:44,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:18:44,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:18:44,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:18:44,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:18:44,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:18:44,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:18:44,584 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:18:44,584 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_e46dd438-b23a-452b-acf3-b7a96f949b96/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 -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 [2024-12-05 08:18:44,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:18:44,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:18:44,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:18:44,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:18:44,832 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:18:44,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2024-12-05 08:18:47,575 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/data/1902f62a5/4136a6f3a4b1469ab22d91019934c662/FLAGd26f70746 [2024-12-05 08:18:47,766 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:18:47,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2024-12-05 08:18:47,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/data/1902f62a5/4136a6f3a4b1469ab22d91019934c662/FLAGd26f70746 [2024-12-05 08:18:48,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/data/1902f62a5/4136a6f3a4b1469ab22d91019934c662 [2024-12-05 08:18:48,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:18:48,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:18:48,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:18:48,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:18:48,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:18:48,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ef0782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48, skipping insertion in model container [2024-12-05 08:18:48,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:18:48,291 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_e46dd438-b23a-452b-acf3-b7a96f949b96/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-12-05 08:18:48,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:18:48,306 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:18:48,327 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_e46dd438-b23a-452b-acf3-b7a96f949b96/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-12-05 08:18:48,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:18:48,343 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:18:48,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48 WrapperNode [2024-12-05 08:18:48,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:18:48,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:18:48,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:18:48,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:18:48,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,379 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 290 [2024-12-05 08:18:48,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:18:48,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:18:48,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:18:48,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:18:48,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:18:48,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:18:48,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:18:48,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:18:48,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (1/1) ... [2024-12-05 08:18:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:18:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:48,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:18:48,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:18:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:18:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 08:18:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 08:18:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 08:18:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 08:18:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:18:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:18:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:18:48,459 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:18:48,548 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:18:48,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:18:48,899 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:18:48,899 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:18:49,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:18:49,199 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 08:18:49,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:18:49 BoogieIcfgContainer [2024-12-05 08:18:49,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:18:49,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:18:49,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:18:49,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:18:49,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:18:48" (1/3) ... [2024-12-05 08:18:49,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d26ba8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:18:49, skipping insertion in model container [2024-12-05 08:18:49,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:18:48" (2/3) ... [2024-12-05 08:18:49,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d26ba8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:18:49, skipping insertion in model container [2024-12-05 08:18:49,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:18:49" (3/3) ... [2024-12-05 08:18:49,208 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-12-05 08:18:49,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:18:49,225 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-12-05 08:18:49,225 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:18:49,284 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-05 08:18:49,331 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:18:49,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:18:49,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:49,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:18:49,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:18:49,414 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:18:49,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 08:18:49,438 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;@7dd15455, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:18:49,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-05 08:18:49,774 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 08:18:49,774 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:49,774 INFO L139 ounterexampleChecker]: Examining path program with hash 969672463, occurence #1 [2024-12-05 08:18:49,774 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:49,774 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 57742913, now seen corresponding path program 1 times [2024-12-05 08:18:49,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:49,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035712557] [2024-12-05 08:18:49,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:49,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:49,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035712557] [2024-12-05 08:18:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035712557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:49,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:49,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:18:49,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076398793] [2024-12-05 08:18:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:49,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-05 08:18:49,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:49,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-05 08:18:49,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-05 08:18:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:49,956 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:49,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:49,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:50,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:50,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:18:50,439 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 08:18:50,439 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:50,440 INFO L139 ounterexampleChecker]: Examining path program with hash 1414645220, occurence #1 [2024-12-05 08:18:50,440 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:50,440 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:50,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1179463562, now seen corresponding path program 1 times [2024-12-05 08:18:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488218152] [2024-12-05 08:18:50,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:50,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:51,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:51,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488218152] [2024-12-05 08:18:51,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488218152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:51,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:51,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:18:51,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259350563] [2024-12-05 08:18:51,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:51,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 08:18:51,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:51,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 08:18:51,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 08:18:51,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:51,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:51,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:51,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:51,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:51,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 08:18:51,289 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 08:18:51,289 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:51,290 INFO L139 ounterexampleChecker]: Examining path program with hash 1414645220, occurence #2 [2024-12-05 08:18:51,290 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:51,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:18:51,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:51,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 08:18:51,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:51,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:51,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:51,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 08:18:51,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:51,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:18:51,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:51,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:18:51,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1885514117, now seen corresponding path program 1 times [2024-12-05 08:18:51,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:51,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729020325] [2024-12-05 08:18:51,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:51,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:51,614 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:51,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729020325] [2024-12-05 08:18:51,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729020325] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:51,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [293634451] [2024-12-05 08:18:51,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:51,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:51,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:51,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [293634451] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:51,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:51,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-12-05 08:18:51,786 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:51,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-05 08:18:51,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1030334306, now seen corresponding path program 1 times [2024-12-05 08:18:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:51,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572247599] [2024-12-05 08:18:51,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:51,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,016 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:52,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572247599] [2024-12-05 08:18:52,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572247599] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [480357885] [2024-12-05 08:18:52,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:52,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [480357885] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:52,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-12-05 08:18:52,156 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:52,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-05 08:18:52,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash 950169953, now seen corresponding path program 1 times [2024-12-05 08:18:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:52,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641893856] [2024-12-05 08:18:52,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,396 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641893856] [2024-12-05 08:18:52,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641893856] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [22936794] [2024-12-05 08:18:52,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:52,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [22936794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:52,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-12-05 08:18:52,531 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:52,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-05 08:18:52,532 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:52,532 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-05 08:18:52,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:52,586 INFO L85 PathProgramCache]: Analyzing trace with hash -403328781, now seen corresponding path program 1 times [2024-12-05 08:18:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:52,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646874143] [2024-12-05 08:18:52,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,838 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:52,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646874143] [2024-12-05 08:18:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646874143] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [785312269] [2024-12-05 08:18:52,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:52,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:18:52,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [785312269] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:52,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:52,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-12-05 08:18:52,974 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:52,975 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2024-12-05 08:18:52,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-12-05 08:18:52,975 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:52,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-12-05 08:18:52,975 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:52,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-05 08:18:52,975 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:52,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-05 08:18:52,976 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:52,976 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:52,976 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:52,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1105792968, now seen corresponding path program 1 times [2024-12-05 08:18:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:52,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950499106] [2024-12-05 08:18:52,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:53,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:53,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950499106] [2024-12-05 08:18:53,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950499106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:53,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549663832] [2024-12-05 08:18:53,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:53,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:53,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:53,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:18:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:53,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 08:18:53,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:54,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:18:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:54,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549663832] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:18:54,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:18:54,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 16, 16] total 33 [2024-12-05 08:18:54,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84997182] [2024-12-05 08:18:54,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:18:54,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-05 08:18:54,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:54,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-05 08:18:54,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=703, Unknown=0, NotChecked=0, Total=1122 [2024-12-05 08:18:54,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:54,345 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:54,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.529411764705882) internal successors, (256), 33 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:54,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:54,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:54,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:18:54,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:18:54,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-12-05 08:18:54,801 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 08:18:54,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:54,801 INFO L139 ounterexampleChecker]: Examining path program with hash 1414645220, occurence #3 [2024-12-05 08:18:54,801 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:18:54,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:18:54,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:54,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:18:54,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:54,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 08:18:54,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:54,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:18:54,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:54,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:18:54,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:54,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 08:18:54,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1738018433, now seen corresponding path program 1 times [2024-12-05 08:18:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:54,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164706194] [2024-12-05 08:18:54,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:18:54,900 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:18:54,900 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:18:54,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-05 08:18:54,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1438251416, now seen corresponding path program 1 times [2024-12-05 08:18:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:54,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963961613] [2024-12-05 08:18:54,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:54,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:55,125 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:55,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963961613] [2024-12-05 08:18:55,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963961613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:55,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [155089863] [2024-12-05 08:18:55,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:55,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:55,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 08:18:55,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:55,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [155089863] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:55,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:55,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2024-12-05 08:18:55,386 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:55,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 08:18:55,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1316124251, now seen corresponding path program 1 times [2024-12-05 08:18:55,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:55,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792881121] [2024-12-05 08:18:55,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:55,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:55,799 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:55,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792881121] [2024-12-05 08:18:55,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792881121] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:55,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1145094186] [2024-12-05 08:18:55,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:55,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 08:18:55,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:56,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1145094186] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:56,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:56,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2024-12-05 08:18:56,369 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:56,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-05 08:18:56,369 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:56,369 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-05 08:18:56,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:56,420 INFO L85 PathProgramCache]: Analyzing trace with hash 860775889, now seen corresponding path program 1 times [2024-12-05 08:18:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:18:56,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744573819] [2024-12-05 08:18:56,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:56,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:56,950 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:18:56,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744573819] [2024-12-05 08:18:56,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744573819] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:56,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [790967784] [2024-12-05 08:18:56,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:18:56,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:18:56,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 08:18:56,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:18:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:18:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [790967784] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:57,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:18:57,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2024-12-05 08:18:57,617 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:18:57,617 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2024-12-05 08:18:57,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-05 08:18:57,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:57,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-05 08:18:57,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:57,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-12-05 08:18:57,617 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:18:57,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-05 08:18:57,617 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:18:57,618 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:18:57,618 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:57,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:57,618 INFO L85 PathProgramCache]: Analyzing trace with hash -888214774, now seen corresponding path program 2 times [2024-12-05 08:18:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:57,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504714103] [2024-12-05 08:18:57,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:18:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:57,660 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:18:57,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:58,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:18:58,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504714103] [2024-12-05 08:18:58,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504714103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:18:58,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:18:58,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-05 08:18:58,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998957659] [2024-12-05 08:18:58,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:18:58,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:18:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:18:58,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:18:58,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-12-05 08:18:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:58,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:18:58,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:18:58,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:58,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:58,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:18:58,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:18:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:18:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:18:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:18:58,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-05 08:18:58,581 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 08:18:58,581 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:18:58,581 INFO L139 ounterexampleChecker]: Examining path program with hash -730866760, occurence #1 [2024-12-05 08:18:58,581 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:18:58,581 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:18:58,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:18:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1030656024, now seen corresponding path program 3 times [2024-12-05 08:18:58,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:18:58,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454848465] [2024-12-05 08:18:58,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:58,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:18:58,886 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:18:58,886 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 08:18:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:18:59,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454848465] [2024-12-05 08:18:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454848465] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:18:59,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199500115] [2024-12-05 08:18:59,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:18:59,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:18:59,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:18:59,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:18:59,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:18:59,896 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:18:59,896 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:18:59,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 08:18:59,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 08:19:00,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:19:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 51 proven. 13 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-05 08:19:00,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199500115] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:19:00,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:19:00,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 54 [2024-12-05 08:19:00,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969898842] [2024-12-05 08:19:00,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:19:00,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-05 08:19:00,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:19:00,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-05 08:19:00,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=858, Invalid=2112, Unknown=0, NotChecked=0, Total=2970 [2024-12-05 08:19:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:00,922 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:19:00,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.672727272727273) internal successors, (367), 54 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:19:00,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:00,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:00,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:00,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:00,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:01,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:19:01,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:01,453 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 08:19:01,453 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:19:01,454 INFO L139 ounterexampleChecker]: Examining path program with hash -730866760, occurence #2 [2024-12-05 08:19:01,454 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:19:01,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:19:01,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:19:01,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:01,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:19:01,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:01,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:19:01,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:01,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 08:19:01,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:01,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-05 08:19:01,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:01,482 INFO L85 PathProgramCache]: Analyzing trace with hash 231944852, now seen corresponding path program 1 times [2024-12-05 08:19:01,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:19:01,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568587272] [2024-12-05 08:19:01,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:19:01,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:19:01,541 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:19:01,541 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2024-12-05 08:19:01,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:01,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-12-05 08:19:01,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:01,543 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:19:01,543 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:19:01,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:01,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1121976024, now seen corresponding path program 4 times [2024-12-05 08:19:01,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:19:01,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25096043] [2024-12-05 08:19:01,543 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:19:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:01,577 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:19:01,577 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:19:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:19:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25096043] [2024-12-05 08:19:01,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25096043] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652605524] [2024-12-05 08:19:01,933 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:19:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:19:01,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:19:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:19:02,082 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:19:02,082 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:02,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 08:19:02,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:19:02,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:19:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:19:02,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652605524] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:19:02,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:19:02,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 30, 9] total 38 [2024-12-05 08:19:02,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127066357] [2024-12-05 08:19:02,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:19:02,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-05 08:19:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:19:02,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-05 08:19:02,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1176, Unknown=0, NotChecked=0, Total=1406 [2024-12-05 08:19:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:02,927 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:19:02,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.473684210526316) internal successors, (246), 38 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:02,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 08:19:04,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:19:04,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-05 08:19:04,887 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 08:19:04,887 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:19:04,887 INFO L139 ounterexampleChecker]: Examining path program with hash -1518351150, occurence #1 [2024-12-05 08:19:04,887 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:19:04,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:19:04,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:04,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1477182383, now seen corresponding path program 5 times [2024-12-05 08:19:04,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:19:04,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262524060] [2024-12-05 08:19:04,888 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:19:04,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:05,126 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-05 08:19:05,126 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 505 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:06,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:19:06,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262524060] [2024-12-05 08:19:06,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262524060] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:06,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640914306] [2024-12-05 08:19:06,366 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:19:06,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:19:06,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:19:06,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:19:06,756 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-05 08:19:06,756 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:06,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 08:19:06,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-05 08:19:08,117 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:19:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-12-05 08:19:08,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640914306] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:19:08,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:19:08,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 43, 8] total 79 [2024-12-05 08:19:08,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891107042] [2024-12-05 08:19:08,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:19:08,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-12-05 08:19:08,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:19:08,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-12-05 08:19:08,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=5568, Unknown=0, NotChecked=0, Total=6162 [2024-12-05 08:19:08,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:08,485 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:19:08,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.936708860759493) internal successors, (469), 79 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 08:19:08,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:19:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:11,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:19:12,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-05 08:19:12,056 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 08:19:12,056 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:19:12,057 INFO L139 ounterexampleChecker]: Examining path program with hash -1601738238, occurence #1 [2024-12-05 08:19:12,057 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:19:12,057 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:19:12,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1746116919, now seen corresponding path program 6 times [2024-12-05 08:19:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:19:12,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274151171] [2024-12-05 08:19:12,057 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:19:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:12,925 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-12-05 08:19:12,925 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 32 proven. 135 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-05 08:19:14,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:19:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274151171] [2024-12-05 08:19:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274151171] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444113887] [2024-12-05 08:19:14,768 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:19:14,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:14,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:19:14,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:19:14,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:19:15,363 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-12-05 08:19:15,364 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:15,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 08:19:15,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 32 proven. 642 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 08:19:16,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:19:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 21 proven. 146 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-05 08:19:16,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444113887] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:19:16,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:19:16,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 53, 9] total 64 [2024-12-05 08:19:16,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576588007] [2024-12-05 08:19:16,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:19:16,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-12-05 08:19:16,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:19:16,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-12-05 08:19:16,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2024-12-05 08:19:16,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:16,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:19:16,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.046875) internal successors, (387), 64 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:16,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:20,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:19:20,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-05 08:19:20,671 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 08:19:20,671 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:19:20,671 INFO L139 ounterexampleChecker]: Examining path program with hash -1464951475, occurence #1 [2024-12-05 08:19:20,671 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:19:20,671 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:19:20,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1899021756, now seen corresponding path program 7 times [2024-12-05 08:19:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:19:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78139435] [2024-12-05 08:19:20,672 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:19:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:19:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 1617 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:27,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:19:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78139435] [2024-12-05 08:19:27,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78139435] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:27,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502148133] [2024-12-05 08:19:27,857 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:19:27,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:27,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:19:27,859 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:19:27,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:19:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:19:28,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-05 08:19:28,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 1497 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:31,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:19:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 1640 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:35,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502148133] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:19:35,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:19:35,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 55, 55] total 203 [2024-12-05 08:19:35,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070992977] [2024-12-05 08:19:35,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:19:35,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2024-12-05 08:19:35,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:19:35,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2024-12-05 08:19:35,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8114, Invalid=33298, Unknown=0, NotChecked=0, Total=41412 [2024-12-05 08:19:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:35,213 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:19:35,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 5.352941176470588) internal successors, (1092), 203 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:19:35,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:35,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:35,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:19:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:19:35,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:19:36,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-05 08:19:36,057 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 08:19:36,057 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:19:36,057 INFO L139 ounterexampleChecker]: Examining path program with hash -1464951475, occurence #2 [2024-12-05 08:19:36,057 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:19:36,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:19:36,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:36,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:19:36,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:36,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:19:36,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:36,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 08:19:36,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:36,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:19:36,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:36,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-05 08:19:36,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:36,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-12-05 08:19:36,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -8324859, now seen corresponding path program 1 times [2024-12-05 08:19:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:19:36,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097931533] [2024-12-05 08:19:36,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:19:36,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:19:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 1500 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:42,155 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:19:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097931533] [2024-12-05 08:19:42,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097931533] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1490109300] [2024-12-05 08:19:42,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:19:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:19:42,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-05 08:19:42,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:19:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 1357 proven. 443 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:19:50,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1490109300] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:50,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:19:50,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95] total 190 [2024-12-05 08:19:50,247 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:19:50,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 330 [2024-12-05 08:19:50,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-12-05 08:19:50,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 352 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-12-05 08:19:50,248 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,248 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2024-12-05 08:19:50,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 372 [2024-12-05 08:19:50,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 374 [2024-12-05 08:19:50,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:19:50,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-12-05 08:19:50,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:19:50,249 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:19:50,249 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:19:50,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:19:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1929262934, now seen corresponding path program 8 times [2024-12-05 08:19:50,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:19:50,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521653539] [2024-12-05 08:19:50,250 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:19:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:19:50,434 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:19:50,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 1483 proven. 329 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-05 08:19:56,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:19:56,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521653539] [2024-12-05 08:19:56,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521653539] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:19:56,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164820913] [2024-12-05 08:19:56,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:19:56,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:19:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:19:56,612 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:19:56,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:19:56,933 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:19:56,933 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:19:56,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 08:19:56,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 1497 proven. 443 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:00,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 1640 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:20:05,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164820913] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:05,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:05,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 68, 68] total 227 [2024-12-05 08:20:05,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813875785] [2024-12-05 08:20:05,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:05,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2024-12-05 08:20:05,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:05,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2024-12-05 08:20:05,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8974, Invalid=42782, Unknown=0, NotChecked=0, Total=51756 [2024-12-05 08:20:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:05,464 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:05,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 4.767543859649122) internal successors, (1087), 227 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:05,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:05,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:05,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:20:06,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:20:07,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-12-05 08:20:07,021 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 08:20:07,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:07,022 INFO L139 ounterexampleChecker]: Examining path program with hash -1464951475, occurence #3 [2024-12-05 08:20:07,022 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:07,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:20:07,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:20:07,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:07,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:20:07,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:07,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 08:20:07,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:07,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:20:07,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:07,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2024-12-05 08:20:07,023 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 340 [2024-12-05 08:20:07,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1280091510, now seen corresponding path program 1 times [2024-12-05 08:20:07,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:20:07,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913120806] [2024-12-05 08:20:07,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:07,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:20:07,838 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:20:07,838 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:20:07,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2024-12-05 08:20:07,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2024-12-05 08:20:07,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 363 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2024-12-05 08:20:07,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:07,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2024-12-05 08:20:07,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:07,839 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:20:07,839 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:07,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1874386500, now seen corresponding path program 9 times [2024-12-05 08:20:07,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:07,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186364729] [2024-12-05 08:20:07,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:20:07,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:09,974 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-12-05 08:20:09,974 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2586 backedges. 128 proven. 273 refuted. 0 times theorem prover too weak. 2185 trivial. 0 not checked. [2024-12-05 08:20:13,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186364729] [2024-12-05 08:20:13,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186364729] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693889930] [2024-12-05 08:20:13,053 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:20:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:13,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:13,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:20:14,683 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-12-05 08:20:14,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:14,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-05 08:20:14,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2586 backedges. 128 proven. 1512 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-05 08:20:16,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2586 backedges. 105 proven. 296 refuted. 0 times theorem prover too weak. 2185 trivial. 0 not checked. [2024-12-05 08:20:17,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693889930] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:17,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:17,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 84, 13] total 98 [2024-12-05 08:20:17,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686229564] [2024-12-05 08:20:17,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:17,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-12-05 08:20:17,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:17,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-12-05 08:20:17,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1108, Invalid=8398, Unknown=0, NotChecked=0, Total=9506 [2024-12-05 08:20:17,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:17,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:17,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 5.5) internal successors, (539), 98 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:20:17,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:20:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-12-05 08:20:25,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:20:25,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-05 08:20:25,771 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 08:20:25,772 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:25,773 INFO L139 ounterexampleChecker]: Examining path program with hash 1323801387, occurence #1 [2024-12-05 08:20:25,773 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:20:25,773 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:20:25,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:25,774 INFO L85 PathProgramCache]: Analyzing trace with hash 326511109, now seen corresponding path program 10 times [2024-12-05 08:20:25,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:20:25,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998390080] [2024-12-05 08:20:25,775 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:20:25,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:25,905 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:20:25,905 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4868 backedges. 242 proven. 497 refuted. 0 times theorem prover too weak. 4129 trivial. 0 not checked. [2024-12-05 08:20:28,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:20:28,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998390080] [2024-12-05 08:20:28,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998390080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:20:28,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428873617] [2024-12-05 08:20:28,139 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:20:28,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:20:28,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:20:28,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:20:28,455 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:20:28,455 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:20:28,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-12-05 08:20:28,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:20:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4868 backedges. 242 proven. 3680 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-05 08:20:32,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:20:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4868 backedges. 210 proven. 529 refuted. 0 times theorem prover too weak. 4129 trivial. 0 not checked. [2024-12-05 08:20:33,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428873617] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:20:33,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:20:33,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 123, 16] total 143 [2024-12-05 08:20:33,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390448297] [2024-12-05 08:20:33,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:20:33,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-12-05 08:20:33,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:20:33,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-12-05 08:20:33,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2352, Invalid=17954, Unknown=0, NotChecked=0, Total=20306 [2024-12-05 08:20:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:33,605 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:20:33,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 5.3076923076923075) internal successors, (759), 143 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-12-05 08:20:33,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:20:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-12-05 08:20:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:20:52,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:20:52,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:20:52,359 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 08:20:52,360 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:20:52,360 INFO L139 ounterexampleChecker]: Examining path program with hash -1464951475, occurence #4 [2024-12-05 08:20:52,360 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:20:52,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:20:52,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:20:52,360 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:52,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:20:52,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:52,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 08:20:52,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:52,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:20:52,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:20:52,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2024-12-05 08:20:52,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:20:52,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 660 [2024-12-05 08:20:52,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:20:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1094637241, now seen corresponding path program 1 times [2024-12-05 08:20:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:20:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237809578] [2024-12-05 08:20:52,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:20:52,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:20:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 8657 backedges. 7711 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:21:19,762 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:21:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237809578] [2024-12-05 08:21:19,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237809578] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1971654212] [2024-12-05 08:21:19,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:19,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:20,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 198 conjuncts are in the unsatisfiable core [2024-12-05 08:21:20,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8657 backedges. 7381 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:21:50,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1971654212] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:50,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:21:50,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 194] total 388 [2024-12-05 08:21:50,873 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 676 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 683 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 687 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 691 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 695 [2024-12-05 08:21:50,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 699 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 703 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 707 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 711 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2024-12-05 08:21:50,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 723 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 727 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 735 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 739 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 743 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 747 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 749 [2024-12-05 08:21:50,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:50,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 751 [2024-12-05 08:21:50,877 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:50,877 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:50,877 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:50,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:50,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1702883953, now seen corresponding path program 11 times [2024-12-05 08:21:50,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:50,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229477489] [2024-12-05 08:21:50,878 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:54,696 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-12-05 08:21:54,697 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 9259 backedges. 7735 proven. 946 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-05 08:22:08,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:08,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229477489] [2024-12-05 08:22:08,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229477489] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:08,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60008268] [2024-12-05 08:22:08,622 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:22:08,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:08,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:08,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:08,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:29:47,566 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-12-05 08:29:47,567 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:29:48,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 3150 conjuncts, 172 conjuncts are in the unsatisfiable core [2024-12-05 08:29:48,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:30:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 9259 backedges. 528 proven. 7785 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-05 08:30:02,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:30:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9259 backedges. 528 proven. 851 refuted. 0 times theorem prover too weak. 7880 trivial. 0 not checked. [2024-12-05 08:30:05,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60008268] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:30:05,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:30:05,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 173, 22] total 318 [2024-12-05 08:30:05,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432295338] [2024-12-05 08:30:05,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:30:05,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 318 states [2024-12-05 08:30:05,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:30:05,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 318 interpolants. [2024-12-05 08:30:05,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8286, Invalid=92520, Unknown=0, NotChecked=0, Total=100806 [2024-12-05 08:30:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:05,668 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:30:05,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 318 states, 318 states have (on average 4.981132075471698) internal successors, (1584), 318 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:30:05,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-05 08:30:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 08:30:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-12-05 08:30:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-12-05 08:30:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:30:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-12-05 08:30:41,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-05 08:30:41,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46dd438-b23a-452b-acf3-b7a96f949b96/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:30:41,245 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 08:30:41,245 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:30:41,246 INFO L139 ounterexampleChecker]: Examining path program with hash 1323801387, occurence #2 [2024-12-05 08:30:41,246 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:30:41,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:30:41,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:41,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-05 08:30:41,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:41,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-05 08:30:41,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:41,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-05 08:30:41,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:41,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:30:41,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:30:41,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 747 [2024-12-05 08:30:41,247 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:30:41,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 905 [2024-12-05 08:30:41,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:30:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash 520902507, now seen corresponding path program 1 times [2024-12-05 08:30:41,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:30:41,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66989742] [2024-12-05 08:30:41,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:30:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:30:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:31:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 15936 backedges. 14946 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:31:33,970 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:31:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66989742] [2024-12-05 08:31:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66989742] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:31:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [133144970] [2024-12-05 08:31:33,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:31:33,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:31:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:31:34,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 3714 conjuncts, 260 conjuncts are in the unsatisfiable core [2024-12-05 08:31:34,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:32:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 15936 backedges. 14488 proven. 1448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:32:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [133144970] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:32:33,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:32:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [256, 256] total 512 [2024-12-05 08:32:33,746 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:32:33,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 914 [2024-12-05 08:32:33,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 921 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 926 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 930 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 934 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 938 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 942 [2024-12-05 08:32:33,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 946 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 950 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 954 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 958 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 962 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2024-12-05 08:32:33,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 970 [2024-12-05 08:32:33,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 974 [2024-12-05 08:32:33,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 978 [2024-12-05 08:32:33,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 982 [2024-12-05 08:32:33,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 986 [2024-12-05 08:32:33,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 990 [2024-12-05 08:32:33,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 992 [2024-12-05 08:32:33,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:32:33,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 994 [2024-12-05 08:32:33,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:32:33,750 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:32:33,750 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:32:33,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:32:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1400190046, now seen corresponding path program 12 times [2024-12-05 08:32:33,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:32:33,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830691816] [2024-12-05 08:32:33,752 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:32:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms