./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:26:43,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:26:43,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:26:43,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:26:43,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:26:44,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:26:44,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:26:44,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:26:44,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:26:44,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:26:44,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:26:44,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:26:44,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:26:44,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:26:44,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:26:44,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:26:44,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:26:44,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:26:44,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:26:44,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:26:44,016 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:26:44,017 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:44,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:26:44,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:44,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:26:44,018 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f [2024-11-28 02:26:44,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:26:44,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:26:44,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:26:44,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:26:44,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:26:44,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-28 02:26:47,764 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/data/dbcc9db61/aa9ecd20a03648df98551980fee4abe7/FLAGe5a8c973e [2024-11-28 02:26:48,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:26:48,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-28 02:26:48,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/data/dbcc9db61/aa9ecd20a03648df98551980fee4abe7/FLAGe5a8c973e [2024-11-28 02:26:48,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/data/dbcc9db61/aa9ecd20a03648df98551980fee4abe7 [2024-11-28 02:26:48,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:26:48,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:26:48,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:26:48,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:26:48,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:26:48,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5801ec80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48, skipping insertion in model container [2024-11-28 02:26:48,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:26:48,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:26:48,415 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:26:48,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:26:48,497 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:26:48,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48 WrapperNode [2024-11-28 02:26:48,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:26:48,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:26:48,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:26:48,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:26:48,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,569 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 256 [2024-11-28 02:26:48,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:26:48,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:26:48,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:26:48,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:26:48,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:26:48,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:26:48,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:26:48,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:26:48,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (1/1) ... [2024-11-28 02:26:48,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:26:48,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:26:48,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:26:48,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:26:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:26:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:26:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:26:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:26:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:26:48,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:26:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:26:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 02:26:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 02:26:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:26:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-28 02:26:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-28 02:26:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:26:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:26:48,726 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:26:48,912 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:26:48,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:26:49,541 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:26:49,541 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:26:49,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:26:49,588 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:26:49,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:49 BoogieIcfgContainer [2024-11-28 02:26:49,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:26:49,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:26:49,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:26:49,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:26:49,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:26:48" (1/3) ... [2024-11-28 02:26:49,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183f47e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:49, skipping insertion in model container [2024-11-28 02:26:49,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:48" (2/3) ... [2024-11-28 02:26:49,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183f47e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:49, skipping insertion in model container [2024-11-28 02:26:49,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:49" (3/3) ... [2024-11-28 02:26:49,607 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-11-28 02:26:49,633 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:26:49,635 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-5.wvr.c that has 6 procedures, 271 locations, 1 initial locations, 0 loop locations, and 15 error locations. [2024-11-28 02:26:49,636 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:26:49,831 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-28 02:26:49,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 281 transitions, 597 flow [2024-11-28 02:26:50,109 INFO L124 PetriNetUnfolderBase]: 11/276 cut-off events. [2024-11-28 02:26:50,112 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:26:50,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 276 events. 11/276 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 476 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2024-11-28 02:26:50,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 281 transitions, 597 flow [2024-11-28 02:26:50,132 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 259 transitions, 545 flow [2024-11-28 02:26:50,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:26:50,159 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=PETRI_NET, 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;@3c813c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:26:50,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-28 02:26:50,179 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:26:50,180 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-28 02:26:50,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:26:50,181 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:50,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:50,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:50,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:50,192 INFO L85 PathProgramCache]: Analyzing trace with hash 285471371, now seen corresponding path program 1 times [2024-11-28 02:26:50,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:50,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900161333] [2024-11-28 02:26:50,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:50,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:50,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:50,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900161333] [2024-11-28 02:26:50,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900161333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:50,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:50,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:26:50,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277661812] [2024-11-28 02:26:50,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:50,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:50,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:50,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:50,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:50,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-28 02:26:50,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 259 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:50,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:50,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-28 02:26:50,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:53,548 INFO L124 PetriNetUnfolderBase]: 2112/10432 cut-off events. [2024-11-28 02:26:53,549 INFO L125 PetriNetUnfolderBase]: For 561/561 co-relation queries the response was YES. [2024-11-28 02:26:53,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13475 conditions, 10432 events. 2112/10432 cut-off events. For 561/561 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 119043 event pairs, 1784 based on Foata normal form. 767/9569 useless extension candidates. Maximal degree in co-relation 12989. Up to 2513 conditions per place. [2024-11-28 02:26:53,730 INFO L140 encePairwiseOnDemand]: 272/281 looper letters, 24 selfloop transitions, 2 changer transitions 1/252 dead transitions. [2024-11-28 02:26:53,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 252 transitions, 583 flow [2024-11-28 02:26:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2024-11-28 02:26:53,756 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9074733096085409 [2024-11-28 02:26:53,761 INFO L175 Difference]: Start difference. First operand has 265 places, 259 transitions, 545 flow. Second operand 3 states and 765 transitions. [2024-11-28 02:26:53,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 252 transitions, 583 flow [2024-11-28 02:26:53,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 252 transitions, 566 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-28 02:26:53,783 INFO L231 Difference]: Finished difference. Result has 257 places, 251 transitions, 516 flow [2024-11-28 02:26:53,786 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=257, PETRI_TRANSITIONS=251} [2024-11-28 02:26:53,791 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -8 predicate places. [2024-11-28 02:26:53,791 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 251 transitions, 516 flow [2024-11-28 02:26:53,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:53,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:53,792 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:53,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:26:53,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:53,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:53,795 INFO L85 PathProgramCache]: Analyzing trace with hash -987359909, now seen corresponding path program 1 times [2024-11-28 02:26:53,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:53,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990475711] [2024-11-28 02:26:53,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:53,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:53,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:53,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990475711] [2024-11-28 02:26:53,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990475711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:53,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:53,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:26:53,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349031862] [2024-11-28 02:26:53,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:53,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:53,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:53,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:53,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:53,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-28 02:26:53,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 251 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:53,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:53,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-28 02:26:53,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:56,416 INFO L124 PetriNetUnfolderBase]: 2278/10788 cut-off events. [2024-11-28 02:26:56,417 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2024-11-28 02:26:56,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13853 conditions, 10788 events. 2278/10788 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 123142 event pairs, 1944 based on Foata normal form. 0/9091 useless extension candidates. Maximal degree in co-relation 13817. Up to 2725 conditions per place. [2024-11-28 02:26:56,587 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-28 02:26:56,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 566 flow [2024-11-28 02:26:56,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-28 02:26:56,594 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-28 02:26:56,595 INFO L175 Difference]: Start difference. First operand has 257 places, 251 transitions, 516 flow. Second operand 3 states and 759 transitions. [2024-11-28 02:26:56,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 566 flow [2024-11-28 02:26:56,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 250 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:26:56,605 INFO L231 Difference]: Finished difference. Result has 255 places, 250 transitions, 514 flow [2024-11-28 02:26:56,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=255, PETRI_TRANSITIONS=250} [2024-11-28 02:26:56,606 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -10 predicate places. [2024-11-28 02:26:56,607 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 250 transitions, 514 flow [2024-11-28 02:26:56,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:56,608 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:56,608 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:56,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:26:56,608 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:56,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:56,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1592282044, now seen corresponding path program 1 times [2024-11-28 02:26:56,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:56,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218615732] [2024-11-28 02:26:56,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:56,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:56,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:56,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218615732] [2024-11-28 02:26:56,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218615732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:56,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:56,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:26:56,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707798893] [2024-11-28 02:26:56,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:56,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:56,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:56,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:56,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:56,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-28 02:26:56,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 250 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:56,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:56,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-28 02:26:56,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:26:58,622 INFO L124 PetriNetUnfolderBase]: 2280/10069 cut-off events. [2024-11-28 02:26:58,622 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES. [2024-11-28 02:26:58,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13172 conditions, 10069 events. 2280/10069 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 111361 event pairs, 1976 based on Foata normal form. 0/8453 useless extension candidates. Maximal degree in co-relation 13128. Up to 2769 conditions per place. [2024-11-28 02:26:58,724 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-11-28 02:26:58,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 564 flow [2024-11-28 02:26:58,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:26:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:26:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-28 02:26:58,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-28 02:26:58,727 INFO L175 Difference]: Start difference. First operand has 255 places, 250 transitions, 514 flow. Second operand 3 states and 759 transitions. [2024-11-28 02:26:58,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 564 flow [2024-11-28 02:26:58,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:26:58,733 INFO L231 Difference]: Finished difference. Result has 254 places, 249 transitions, 512 flow [2024-11-28 02:26:58,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=254, PETRI_TRANSITIONS=249} [2024-11-28 02:26:58,735 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -11 predicate places. [2024-11-28 02:26:58,735 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 249 transitions, 512 flow [2024-11-28 02:26:58,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:58,736 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:26:58,736 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:26:58,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:26:58,737 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:26:58,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:26:58,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1841425130, now seen corresponding path program 1 times [2024-11-28 02:26:58,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:26:58,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281779923] [2024-11-28 02:26:58,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:26:58,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:26:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:26:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:26:58,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:26:58,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281779923] [2024-11-28 02:26:58,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281779923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:26:58,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:26:58,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:26:58,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670639827] [2024-11-28 02:26:58,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:26:58,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:26:58,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:26:58,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:26:58,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:26:58,882 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-28 02:26:58,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:26:58,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:26:58,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-28 02:26:58,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:00,352 INFO L124 PetriNetUnfolderBase]: 2188/8536 cut-off events. [2024-11-28 02:27:00,352 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-28 02:27:00,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11577 conditions, 8536 events. 2188/8536 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 89139 event pairs, 1944 based on Foata normal form. 0/7148 useless extension candidates. Maximal degree in co-relation 11525. Up to 2725 conditions per place. [2024-11-28 02:27:00,492 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2024-11-28 02:27:00,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 248 transitions, 562 flow [2024-11-28 02:27:00,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-28 02:27:00,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-28 02:27:00,496 INFO L175 Difference]: Start difference. First operand has 254 places, 249 transitions, 512 flow. Second operand 3 states and 759 transitions. [2024-11-28 02:27:00,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 248 transitions, 562 flow [2024-11-28 02:27:00,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 248 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:00,503 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 510 flow [2024-11-28 02:27:00,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2024-11-28 02:27:00,505 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2024-11-28 02:27:00,505 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 510 flow [2024-11-28 02:27:00,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:00,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:00,506 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:00,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:27:00,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:00,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:00,507 INFO L85 PathProgramCache]: Analyzing trace with hash 749159949, now seen corresponding path program 1 times [2024-11-28 02:27:00,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:00,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7311731] [2024-11-28 02:27:00,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:00,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:00,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:00,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7311731] [2024-11-28 02:27:00,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7311731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:00,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:00,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100006784] [2024-11-28 02:27:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:00,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:00,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:00,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:00,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-28 02:27:00,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:00,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:00,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-28 02:27:00,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:02,589 INFO L124 PetriNetUnfolderBase]: 2118/10633 cut-off events. [2024-11-28 02:27:02,589 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-11-28 02:27:02,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13354 conditions, 10633 events. 2118/10633 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 119986 event pairs, 1784 based on Foata normal form. 0/8987 useless extension candidates. Maximal degree in co-relation 13294. Up to 2513 conditions per place. [2024-11-28 02:27:02,669 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2024-11-28 02:27:02,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 247 transitions, 560 flow [2024-11-28 02:27:02,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-28 02:27:02,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-28 02:27:02,672 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 510 flow. Second operand 3 states and 759 transitions. [2024-11-28 02:27:02,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 247 transitions, 560 flow [2024-11-28 02:27:02,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:02,677 INFO L231 Difference]: Finished difference. Result has 252 places, 247 transitions, 508 flow [2024-11-28 02:27:02,677 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=252, PETRI_TRANSITIONS=247} [2024-11-28 02:27:02,678 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -13 predicate places. [2024-11-28 02:27:02,678 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 247 transitions, 508 flow [2024-11-28 02:27:02,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:02,679 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:02,679 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:02,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:27:02,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:02,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:02,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1388484959, now seen corresponding path program 1 times [2024-11-28 02:27:02,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:02,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536223784] [2024-11-28 02:27:02,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:02,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:02,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:02,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536223784] [2024-11-28 02:27:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536223784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:02,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282492118] [2024-11-28 02:27:02,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:02,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:02,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:02,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:02,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:02,814 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-28 02:27:02,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:02,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:02,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-28 02:27:02,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:04,871 INFO L124 PetriNetUnfolderBase]: 3102/12484 cut-off events. [2024-11-28 02:27:04,871 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-28 02:27:04,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16871 conditions, 12484 events. 3102/12484 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 144281 event pairs, 2108 based on Foata normal form. 0/10599 useless extension candidates. Maximal degree in co-relation 16803. Up to 2956 conditions per place. [2024-11-28 02:27:04,965 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-28 02:27:04,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 258 transitions, 609 flow [2024-11-28 02:27:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-28 02:27:04,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-28 02:27:04,968 INFO L175 Difference]: Start difference. First operand has 252 places, 247 transitions, 508 flow. Second operand 3 states and 776 transitions. [2024-11-28 02:27:04,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 258 transitions, 609 flow [2024-11-28 02:27:04,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 258 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:04,974 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 506 flow [2024-11-28 02:27:04,974 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2024-11-28 02:27:04,975 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2024-11-28 02:27:04,975 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 506 flow [2024-11-28 02:27:04,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:04,976 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:04,976 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:04,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:27:04,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:04,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1807943198, now seen corresponding path program 1 times [2024-11-28 02:27:04,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:04,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86901656] [2024-11-28 02:27:04,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:05,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:05,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86901656] [2024-11-28 02:27:05,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86901656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:05,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:05,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:05,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343039774] [2024-11-28 02:27:05,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:05,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:05,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:05,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:05,089 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-28 02:27:05,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:05,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:05,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-28 02:27:05,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:06,252 INFO L124 PetriNetUnfolderBase]: 2274/8550 cut-off events. [2024-11-28 02:27:06,252 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-28 02:27:06,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12045 conditions, 8550 events. 2274/8550 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 90771 event pairs, 1330 based on Foata normal form. 0/7568 useless extension candidates. Maximal degree in co-relation 8122. Up to 1739 conditions per place. [2024-11-28 02:27:06,335 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/257 dead transitions. [2024-11-28 02:27:06,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 257 transitions, 603 flow [2024-11-28 02:27:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-28 02:27:06,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-28 02:27:06,339 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 506 flow. Second operand 3 states and 780 transitions. [2024-11-28 02:27:06,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 257 transitions, 603 flow [2024-11-28 02:27:06,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 257 transitions, 599 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:06,347 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 502 flow [2024-11-28 02:27:06,348 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2024-11-28 02:27:06,350 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-28 02:27:06,351 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 502 flow [2024-11-28 02:27:06,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:06,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:06,352 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:06,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:27:06,352 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:06,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:06,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1924736647, now seen corresponding path program 1 times [2024-11-28 02:27:06,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635575073] [2024-11-28 02:27:06,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:06,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635575073] [2024-11-28 02:27:06,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635575073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:06,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:06,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:06,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108555705] [2024-11-28 02:27:06,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:06,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:06,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:06,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:06,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:06,492 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-28 02:27:06,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:06,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:06,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-28 02:27:06,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:08,139 INFO L124 PetriNetUnfolderBase]: 3543/13227 cut-off events. [2024-11-28 02:27:08,140 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES. [2024-11-28 02:27:08,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18150 conditions, 13227 events. 3543/13227 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 150937 event pairs, 2348 based on Foata normal form. 0/11238 useless extension candidates. Maximal degree in co-relation 13510. Up to 3274 conditions per place. [2024-11-28 02:27:08,293 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2024-11-28 02:27:08,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 256 transitions, 603 flow [2024-11-28 02:27:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-28 02:27:08,296 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-28 02:27:08,296 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 502 flow. Second operand 3 states and 776 transitions. [2024-11-28 02:27:08,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 256 transitions, 603 flow [2024-11-28 02:27:08,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 256 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:27:08,303 INFO L231 Difference]: Finished difference. Result has 250 places, 244 transitions, 503 flow [2024-11-28 02:27:08,304 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=250, PETRI_TRANSITIONS=244} [2024-11-28 02:27:08,305 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-28 02:27:08,305 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 244 transitions, 503 flow [2024-11-28 02:27:08,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:08,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:08,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:08,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:27:08,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:08,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1905989238, now seen corresponding path program 1 times [2024-11-28 02:27:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051426336] [2024-11-28 02:27:08,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:08,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:08,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051426336] [2024-11-28 02:27:08,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051426336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:08,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:08,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:08,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308560585] [2024-11-28 02:27:08,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:08,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:08,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:08,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:08,425 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-28 02:27:08,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 244 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:08,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:08,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-28 02:27:08,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:10,122 INFO L124 PetriNetUnfolderBase]: 2627/9738 cut-off events. [2024-11-28 02:27:10,122 INFO L125 PetriNetUnfolderBase]: For 342/342 co-relation queries the response was YES. [2024-11-28 02:27:10,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13605 conditions, 9738 events. 2627/9738 cut-off events. For 342/342 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 105001 event pairs, 1395 based on Foata normal form. 0/8491 useless extension candidates. Maximal degree in co-relation 9859. Up to 1760 conditions per place. [2024-11-28 02:27:10,249 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/255 dead transitions. [2024-11-28 02:27:10,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 255 transitions, 600 flow [2024-11-28 02:27:10,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-28 02:27:10,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-28 02:27:10,253 INFO L175 Difference]: Start difference. First operand has 250 places, 244 transitions, 503 flow. Second operand 3 states and 780 transitions. [2024-11-28 02:27:10,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 255 transitions, 600 flow [2024-11-28 02:27:10,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 255 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:10,263 INFO L231 Difference]: Finished difference. Result has 249 places, 243 transitions, 499 flow [2024-11-28 02:27:10,263 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=249, PETRI_TRANSITIONS=243} [2024-11-28 02:27:10,266 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-28 02:27:10,267 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 243 transitions, 499 flow [2024-11-28 02:27:10,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:10,269 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:10,269 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:10,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:27:10,269 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:10,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash -578652627, now seen corresponding path program 1 times [2024-11-28 02:27:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:10,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735381793] [2024-11-28 02:27:10,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:10,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:10,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735381793] [2024-11-28 02:27:10,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735381793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:10,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:10,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:10,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476898009] [2024-11-28 02:27:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:10,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:10,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:10,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:10,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:10,417 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-28 02:27:10,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 243 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:10,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:10,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-28 02:27:10,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:12,760 INFO L124 PetriNetUnfolderBase]: 3578/11658 cut-off events. [2024-11-28 02:27:12,761 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-11-28 02:27:12,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16707 conditions, 11658 events. 3578/11658 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 124842 event pairs, 2396 based on Foata normal form. 0/9928 useless extension candidates. Maximal degree in co-relation 12634. Up to 3340 conditions per place. [2024-11-28 02:27:12,936 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-28 02:27:12,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 254 transitions, 600 flow [2024-11-28 02:27:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-28 02:27:12,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-28 02:27:12,940 INFO L175 Difference]: Start difference. First operand has 249 places, 243 transitions, 499 flow. Second operand 3 states and 776 transitions. [2024-11-28 02:27:12,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 254 transitions, 600 flow [2024-11-28 02:27:12,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 254 transitions, 599 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:27:12,949 INFO L231 Difference]: Finished difference. Result has 249 places, 242 transitions, 500 flow [2024-11-28 02:27:12,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=249, PETRI_TRANSITIONS=242} [2024-11-28 02:27:12,955 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-28 02:27:12,955 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 242 transitions, 500 flow [2024-11-28 02:27:12,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:12,956 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:12,957 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:12,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:27:12,957 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:12,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash -820075280, now seen corresponding path program 1 times [2024-11-28 02:27:12,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:12,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038220644] [2024-11-28 02:27:12,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:12,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:13,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:13,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038220644] [2024-11-28 02:27:13,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038220644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:13,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:13,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:13,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836959040] [2024-11-28 02:27:13,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:13,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:13,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:13,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:13,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:13,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-28 02:27:13,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 242 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:13,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:13,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-28 02:27:13,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:14,885 INFO L124 PetriNetUnfolderBase]: 2699/9424 cut-off events. [2024-11-28 02:27:14,886 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-28 02:27:14,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13421 conditions, 9424 events. 2699/9424 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 98595 event pairs, 1122 based on Foata normal form. 0/8139 useless extension candidates. Maximal degree in co-relation 9958. Up to 1745 conditions per place. [2024-11-28 02:27:15,016 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/253 dead transitions. [2024-11-28 02:27:15,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 253 transitions, 597 flow [2024-11-28 02:27:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-28 02:27:15,019 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-28 02:27:15,020 INFO L175 Difference]: Start difference. First operand has 249 places, 242 transitions, 500 flow. Second operand 3 states and 780 transitions. [2024-11-28 02:27:15,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 253 transitions, 597 flow [2024-11-28 02:27:15,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 253 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:15,033 INFO L231 Difference]: Finished difference. Result has 248 places, 241 transitions, 496 flow [2024-11-28 02:27:15,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=248, PETRI_TRANSITIONS=241} [2024-11-28 02:27:15,035 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-28 02:27:15,035 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 241 transitions, 496 flow [2024-11-28 02:27:15,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:15,036 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:15,036 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:15,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:27:15,037 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:15,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:15,038 INFO L85 PathProgramCache]: Analyzing trace with hash -264887605, now seen corresponding path program 1 times [2024-11-28 02:27:15,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:15,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391934960] [2024-11-28 02:27:15,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:15,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:15,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391934960] [2024-11-28 02:27:15,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391934960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:15,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:15,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521009692] [2024-11-28 02:27:15,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:15,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:15,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:15,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:15,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:15,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-28 02:27:15,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 241 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:15,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:15,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-28 02:27:15,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:16,755 INFO L124 PetriNetUnfolderBase]: 3402/9302 cut-off events. [2024-11-28 02:27:16,755 INFO L125 PetriNetUnfolderBase]: For 315/315 co-relation queries the response was YES. [2024-11-28 02:27:16,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14263 conditions, 9302 events. 3402/9302 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 89924 event pairs, 2348 based on Foata normal form. 0/8037 useless extension candidates. Maximal degree in co-relation 10113. Up to 3274 conditions per place. [2024-11-28 02:27:16,865 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2024-11-28 02:27:16,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 252 transitions, 597 flow [2024-11-28 02:27:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-28 02:27:16,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-28 02:27:16,868 INFO L175 Difference]: Start difference. First operand has 248 places, 241 transitions, 496 flow. Second operand 3 states and 776 transitions. [2024-11-28 02:27:16,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 252 transitions, 597 flow [2024-11-28 02:27:16,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 252 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:27:16,877 INFO L231 Difference]: Finished difference. Result has 248 places, 240 transitions, 497 flow [2024-11-28 02:27:16,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=248, PETRI_TRANSITIONS=240} [2024-11-28 02:27:16,878 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-28 02:27:16,878 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 240 transitions, 497 flow [2024-11-28 02:27:16,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:16,879 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:16,879 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:16,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:27:16,880 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:16,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:16,881 INFO L85 PathProgramCache]: Analyzing trace with hash -790920882, now seen corresponding path program 1 times [2024-11-28 02:27:16,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:16,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979554130] [2024-11-28 02:27:16,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:16,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:16,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979554130] [2024-11-28 02:27:16,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979554130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:16,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:16,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123260673] [2024-11-28 02:27:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:16,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:16,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:16,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:16,998 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-28 02:27:17,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 240 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:17,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:17,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-28 02:27:17,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:18,818 INFO L124 PetriNetUnfolderBase]: 2594/8243 cut-off events. [2024-11-28 02:27:18,818 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2024-11-28 02:27:18,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12262 conditions, 8243 events. 2594/8243 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 81032 event pairs, 1134 based on Foata normal form. 0/7322 useless extension candidates. Maximal degree in co-relation 8701. Up to 1658 conditions per place. [2024-11-28 02:27:18,957 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/251 dead transitions. [2024-11-28 02:27:18,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 251 transitions, 594 flow [2024-11-28 02:27:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-28 02:27:18,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-28 02:27:18,960 INFO L175 Difference]: Start difference. First operand has 248 places, 240 transitions, 497 flow. Second operand 3 states and 780 transitions. [2024-11-28 02:27:18,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 251 transitions, 594 flow [2024-11-28 02:27:18,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 251 transitions, 590 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:18,977 INFO L231 Difference]: Finished difference. Result has 247 places, 239 transitions, 493 flow [2024-11-28 02:27:18,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=247, PETRI_TRANSITIONS=239} [2024-11-28 02:27:18,979 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-28 02:27:18,979 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 239 transitions, 493 flow [2024-11-28 02:27:18,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:18,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:18,980 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:18,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:27:18,981 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:18,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:18,982 INFO L85 PathProgramCache]: Analyzing trace with hash 369028398, now seen corresponding path program 1 times [2024-11-28 02:27:18,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:18,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257242194] [2024-11-28 02:27:18,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:19,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:19,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257242194] [2024-11-28 02:27:19,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257242194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:19,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:19,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446127394] [2024-11-28 02:27:19,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:19,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:19,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:19,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:19,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:19,094 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-28 02:27:19,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 239 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:19,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:19,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-28 02:27:19,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:21,124 INFO L124 PetriNetUnfolderBase]: 3096/10754 cut-off events. [2024-11-28 02:27:21,124 INFO L125 PetriNetUnfolderBase]: For 320/320 co-relation queries the response was YES. [2024-11-28 02:27:21,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15036 conditions, 10754 events. 3096/10754 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 112822 event pairs, 2108 based on Foata normal form. 0/9404 useless extension candidates. Maximal degree in co-relation 12647. Up to 2956 conditions per place. [2024-11-28 02:27:21,263 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-28 02:27:21,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 593 flow [2024-11-28 02:27:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-28 02:27:21,267 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-28 02:27:21,267 INFO L175 Difference]: Start difference. First operand has 247 places, 239 transitions, 493 flow. Second operand 3 states and 776 transitions. [2024-11-28 02:27:21,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 250 transitions, 593 flow [2024-11-28 02:27:21,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 250 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:27:21,282 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 494 flow [2024-11-28 02:27:21,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2024-11-28 02:27:21,284 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-28 02:27:21,284 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 494 flow [2024-11-28 02:27:21,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:21,285 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:27:21,285 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:21,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:27:21,286 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-28 02:27:21,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash -156299023, now seen corresponding path program 1 times [2024-11-28 02:27:21,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:21,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832574371] [2024-11-28 02:27:21,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:21,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:21,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832574371] [2024-11-28 02:27:21,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832574371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:21,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:21,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:27:21,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637899022] [2024-11-28 02:27:21,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:21,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:21,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:21,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:21,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:21,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-28 02:27:21,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:21,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:27:21,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-28 02:27:21,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:27:23,077 INFO L124 PetriNetUnfolderBase]: 2448/9505 cut-off events. [2024-11-28 02:27:23,077 INFO L125 PetriNetUnfolderBase]: For 361/361 co-relation queries the response was YES. [2024-11-28 02:27:23,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13019 conditions, 9505 events. 2448/9505 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 99944 event pairs, 1136 based on Foata normal form. 0/8455 useless extension candidates. Maximal degree in co-relation 10630. Up to 1621 conditions per place. [2024-11-28 02:27:23,141 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 0 selfloop transitions, 0 changer transitions 249/249 dead transitions. [2024-11-28 02:27:23,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 249 transitions, 590 flow [2024-11-28 02:27:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:27:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-28 02:27:23,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-28 02:27:23,145 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 494 flow. Second operand 3 states and 780 transitions. [2024-11-28 02:27:23,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 249 transitions, 590 flow [2024-11-28 02:27:23,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 249 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:27:23,148 INFO L231 Difference]: Finished difference. Result has 246 places, 0 transitions, 0 flow [2024-11-28 02:27:23,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=246, PETRI_TRANSITIONS=0} [2024-11-28 02:27:23,149 INFO L279 CegarLoopForPetriNet]: 265 programPoint places, -19 predicate places. [2024-11-28 02:27:23,149 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 0 transitions, 0 flow [2024-11-28 02:27:23,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-28 02:27:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-28 02:27:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-28 02:27:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-28 02:27:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 30 remaining) [2024-11-28 02:27:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-28 02:27:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-28 02:27:23,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-28 02:27:23,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-28 02:27:23,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-28 02:27:23,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:27:23,156 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:23,164 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:27:23,164 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:27:23,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:27:23 BasicIcfg [2024-11-28 02:27:23,172 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:27:23,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:27:23,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:27:23,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:27:23,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:49" (3/4) ... [2024-11-28 02:27:23,176 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:27:23,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:27:23,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:27:23,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:27:23,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 02:27:23,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-28 02:27:23,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-28 02:27:23,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:27:23,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:27:23,188 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:27:23,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:27:23,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:27:23,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:27:23,317 INFO L158 Benchmark]: Toolchain (without parser) took 35208.80ms. Allocated memory was 117.4MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 92.6MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-28 02:27:23,317 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:27:23,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:27:23,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.20ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:27:23,320 INFO L158 Benchmark]: Boogie Preprocessor took 58.50ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:27:23,320 INFO L158 Benchmark]: RCFGBuilder took 958.87ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 55.6MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:27:23,320 INFO L158 Benchmark]: TraceAbstraction took 33580.79ms. Allocated memory was 117.4MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 54.9MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-11-28 02:27:23,321 INFO L158 Benchmark]: Witness Printer took 143.14ms. Allocated memory is still 6.6GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:27:23,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.20ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.50ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 958.87ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 55.6MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33580.79ms. Allocated memory was 117.4MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 54.9MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 143.14ms. Allocated memory is still 6.6GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 406 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 33.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 920 IncrementalHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 69 mSDtfsCounter, 920 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1300 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1285 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:27:23,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b19a3d9-87fe-4504-ab7d-974105c79807/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE