./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.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_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/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_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/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_519875aa-ca50-4ced-90aa-3a0dad159cd4/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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:27:06,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:27:06,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:27:06,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:27:06,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:27:06,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:27:06,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:27:06,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:27:06,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:27:06,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:27:06,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:27:06,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:27:06,725 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:27:06,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:27:06,726 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:27:06,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:27:06,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:27:06,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:27:06,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:27:06,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:27:06,729 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:27:06,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:06,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:06,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:06,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:27:06,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:27:06,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:27:06,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:27:06,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:27:06,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:27:06,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:27:06,731 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_519875aa-ca50-4ced-90aa-3a0dad159cd4/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 -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2024-11-27 23:27:07,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:27:07,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:27:07,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:27:07,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:27:07,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:27:07,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2024-11-27 23:27:10,079 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/data/d387c077c/10533205cbc947f2bd4264624dbbdfff/FLAGc1d9227b4 [2024-11-27 23:27:10,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:27:10,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2024-11-27 23:27:10,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/data/d387c077c/10533205cbc947f2bd4264624dbbdfff/FLAGc1d9227b4 [2024-11-27 23:27:10,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/data/d387c077c/10533205cbc947f2bd4264624dbbdfff [2024-11-27 23:27:10,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:27:10,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:27:10,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:10,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:27:10,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:27:10,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa041e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10, skipping insertion in model container [2024-11-27 23:27:10,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:27:10,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:10,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:27:10,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:27:10,848 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:27:10,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10 WrapperNode [2024-11-27 23:27:10,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:27:10,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:10,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:27:10,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:27:10,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,935 INFO L138 Inliner]: procedures = 25, calls = 33, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 440 [2024-11-27 23:27:10,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:27:10,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:27:10,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:27:10,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:27:10,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:10,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:27:11,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:27:11,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:27:11,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:27:11,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (1/1) ... [2024-11-27 23:27:11,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:27:11,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:11,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:27:11,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:27:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:27:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 23:27:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 23:27:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 23:27:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 23:27:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 23:27:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 23:27:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:27:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:27:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:27:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:27:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:27:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:27:11,112 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:27:11,272 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:27:11,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:27:12,147 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:27:12,147 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:27:12,180 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:27:12,183 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 23:27:12,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:12 BoogieIcfgContainer [2024-11-27 23:27:12,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:27:12,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:27:12,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:27:12,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:27:12,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:27:10" (1/3) ... [2024-11-27 23:27:12,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e916e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:12, skipping insertion in model container [2024-11-27 23:27:12,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:27:10" (2/3) ... [2024-11-27 23:27:12,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e916e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:27:12, skipping insertion in model container [2024-11-27 23:27:12,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:12" (3/3) ... [2024-11-27 23:27:12,196 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2024-11-27 23:27:12,214 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:27:12,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-subst.wvr.c that has 4 procedures, 557 locations, 1 initial locations, 6 loop locations, and 47 error locations. [2024-11-27 23:27:12,216 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:27:12,454 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 23:27:12,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 566 places, 589 transitions, 1199 flow [2024-11-27 23:27:12,866 INFO L124 PetriNetUnfolderBase]: 33/586 cut-off events. [2024-11-27 23:27:12,869 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 23:27:12,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 586 events. 33/586 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1253 event pairs, 0 based on Foata normal form. 0/506 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2024-11-27 23:27:12,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 566 places, 589 transitions, 1199 flow [2024-11-27 23:27:12,906 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 545 places, 566 transitions, 1150 flow [2024-11-27 23:27:12,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:27:12,938 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;@61caef6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:27:12,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-27 23:27:12,955 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:27:12,955 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2024-11-27 23:27:12,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:27:12,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:12,956 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] [2024-11-27 23:27:12,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:12,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1460653104, now seen corresponding path program 1 times [2024-11-27 23:27:12,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:12,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208815383] [2024-11-27 23:27:12,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:12,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:13,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:13,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208815383] [2024-11-27 23:27:13,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208815383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:13,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:13,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:13,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158943675] [2024-11-27 23:27:13,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:13,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:13,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:13,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:13,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:13,374 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:13,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 566 transitions, 1150 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:13,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:13,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:13,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:13,809 INFO L124 PetriNetUnfolderBase]: 24/966 cut-off events. [2024-11-27 23:27:13,810 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2024-11-27 23:27:13,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 966 events. 24/966 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3973 event pairs, 7 based on Foata normal form. 58/886 useless extension candidates. Maximal degree in co-relation 762. Up to 25 conditions per place. [2024-11-27 23:27:13,830 INFO L140 encePairwiseOnDemand]: 564/589 looper letters, 11 selfloop transitions, 2 changer transitions 7/543 dead transitions. [2024-11-27 23:27:13,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 543 transitions, 1130 flow [2024-11-27 23:27:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:13,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1686 transitions. [2024-11-27 23:27:13,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9541595925297114 [2024-11-27 23:27:13,857 INFO L175 Difference]: Start difference. First operand has 545 places, 566 transitions, 1150 flow. Second operand 3 states and 1686 transitions. [2024-11-27 23:27:13,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 543 transitions, 1130 flow [2024-11-27 23:27:13,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 543 transitions, 1118 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 23:27:13,882 INFO L231 Difference]: Finished difference. Result has 540 places, 536 transitions, 1082 flow [2024-11-27 23:27:13,886 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=540, PETRI_TRANSITIONS=536} [2024-11-27 23:27:13,891 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -5 predicate places. [2024-11-27 23:27:13,892 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 536 transitions, 1082 flow [2024-11-27 23:27:13,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:13,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:13,894 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] [2024-11-27 23:27:13,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:27:13,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:13,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:13,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1784039385, now seen corresponding path program 1 times [2024-11-27 23:27:13,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:13,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808792302] [2024-11-27 23:27:13,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:14,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:14,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808792302] [2024-11-27 23:27:14,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808792302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:14,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:14,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639080240] [2024-11-27 23:27:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:14,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:14,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:14,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:14,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:15,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 493 out of 589 [2024-11-27 23:27:15,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 536 transitions, 1082 flow. Second operand has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:15,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:15,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 493 of 589 [2024-11-27 23:27:15,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:19,506 INFO L124 PetriNetUnfolderBase]: 2074/15183 cut-off events. [2024-11-27 23:27:19,506 INFO L125 PetriNetUnfolderBase]: For 179/181 co-relation queries the response was YES. [2024-11-27 23:27:19,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18113 conditions, 15183 events. 2074/15183 cut-off events. For 179/181 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 184373 event pairs, 1520 based on Foata normal form. 0/12818 useless extension candidates. Maximal degree in co-relation 18028. Up to 2820 conditions per place. [2024-11-27 23:27:19,693 INFO L140 encePairwiseOnDemand]: 571/589 looper letters, 54 selfloop transitions, 15 changer transitions 0/533 dead transitions. [2024-11-27 23:27:19,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 533 transitions, 1214 flow [2024-11-27 23:27:19,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3030 transitions. [2024-11-27 23:27:19,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8573853989813243 [2024-11-27 23:27:19,705 INFO L175 Difference]: Start difference. First operand has 540 places, 536 transitions, 1082 flow. Second operand 6 states and 3030 transitions. [2024-11-27 23:27:19,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 533 transitions, 1214 flow [2024-11-27 23:27:19,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 533 transitions, 1210 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:19,793 INFO L231 Difference]: Finished difference. Result has 533 places, 533 transitions, 1102 flow [2024-11-27 23:27:19,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1102, PETRI_PLACES=533, PETRI_TRANSITIONS=533} [2024-11-27 23:27:19,795 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -12 predicate places. [2024-11-27 23:27:19,795 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 533 transitions, 1102 flow [2024-11-27 23:27:19,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 494.5) internal successors, (2967), 6 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:19,797 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:19,797 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] [2024-11-27 23:27:19,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:27:19,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:19,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1449535391, now seen corresponding path program 1 times [2024-11-27 23:27:19,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:19,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608117983] [2024-11-27 23:27:19,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:19,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:19,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608117983] [2024-11-27 23:27:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608117983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:19,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34934258] [2024-11-27 23:27:19,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:19,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:19,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:19,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:19,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 533 transitions, 1102 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:19,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:19,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:19,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:20,086 INFO L124 PetriNetUnfolderBase]: 18/748 cut-off events. [2024-11-27 23:27:20,086 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 23:27:20,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 748 events. 18/748 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2603 event pairs, 5 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 746. Up to 22 conditions per place. [2024-11-27 23:27:20,101 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 11 selfloop transitions, 2 changer transitions 0/532 dead transitions. [2024-11-27 23:27:20,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 532 transitions, 1126 flow [2024-11-27 23:27:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:20,106 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:20,106 INFO L175 Difference]: Start difference. First operand has 533 places, 533 transitions, 1102 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:20,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 532 transitions, 1126 flow [2024-11-27 23:27:20,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 532 transitions, 1096 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:27:20,116 INFO L231 Difference]: Finished difference. Result has 529 places, 532 transitions, 1074 flow [2024-11-27 23:27:20,117 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=529, PETRI_TRANSITIONS=532} [2024-11-27 23:27:20,119 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -16 predicate places. [2024-11-27 23:27:20,120 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 532 transitions, 1074 flow [2024-11-27 23:27:20,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:20,121 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:20,122 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] [2024-11-27 23:27:20,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:27:20,122 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:20,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:20,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1230051223, now seen corresponding path program 1 times [2024-11-27 23:27:20,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:20,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659047466] [2024-11-27 23:27:20,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:20,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:20,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:20,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659047466] [2024-11-27 23:27:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659047466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:20,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:20,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:20,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636282041] [2024-11-27 23:27:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:20,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:20,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:20,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:20,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:20,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 532 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:20,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:20,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:20,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:20,384 INFO L124 PetriNetUnfolderBase]: 18/645 cut-off events. [2024-11-27 23:27:20,384 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-27 23:27:20,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 645 events. 18/645 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2006 event pairs, 7 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 560. Up to 25 conditions per place. [2024-11-27 23:27:20,395 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 11 selfloop transitions, 2 changer transitions 0/531 dead transitions. [2024-11-27 23:27:20,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 531 transitions, 1098 flow [2024-11-27 23:27:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:20,399 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:20,400 INFO L175 Difference]: Start difference. First operand has 529 places, 532 transitions, 1074 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:20,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 531 transitions, 1098 flow [2024-11-27 23:27:20,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 531 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:20,411 INFO L231 Difference]: Finished difference. Result has 528 places, 531 transitions, 1072 flow [2024-11-27 23:27:20,412 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=528, PETRI_TRANSITIONS=531} [2024-11-27 23:27:20,413 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -17 predicate places. [2024-11-27 23:27:20,414 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 531 transitions, 1072 flow [2024-11-27 23:27:20,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:20,415 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:20,415 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] [2024-11-27 23:27:20,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:27:20,416 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:20,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:20,418 INFO L85 PathProgramCache]: Analyzing trace with hash -927752416, now seen corresponding path program 1 times [2024-11-27 23:27:20,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:20,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124488689] [2024-11-27 23:27:20,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:20,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:20,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:20,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124488689] [2024-11-27 23:27:20,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124488689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:20,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:20,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:20,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350297003] [2024-11-27 23:27:20,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:20,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:20,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:20,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:20,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:20,617 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:20,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 531 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:20,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:20,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:20,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:21,027 INFO L124 PetriNetUnfolderBase]: 28/1131 cut-off events. [2024-11-27 23:27:21,027 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 23:27:21,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1131 events. 28/1131 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5489 event pairs, 7 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1002. Up to 25 conditions per place. [2024-11-27 23:27:21,062 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 11 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-27 23:27:21,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 530 transitions, 1096 flow [2024-11-27 23:27:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:21,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:21,071 INFO L175 Difference]: Start difference. First operand has 528 places, 531 transitions, 1072 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:21,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 530 transitions, 1096 flow [2024-11-27 23:27:21,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 530 transitions, 1092 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:21,090 INFO L231 Difference]: Finished difference. Result has 527 places, 530 transitions, 1070 flow [2024-11-27 23:27:21,095 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=527, PETRI_TRANSITIONS=530} [2024-11-27 23:27:21,095 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -18 predicate places. [2024-11-27 23:27:21,096 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 530 transitions, 1070 flow [2024-11-27 23:27:21,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,098 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:21,098 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:21,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:27:21,102 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:21,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:21,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1619297356, now seen corresponding path program 1 times [2024-11-27 23:27:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:21,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208460639] [2024-11-27 23:27:21,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:21,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208460639] [2024-11-27 23:27:21,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208460639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:21,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:21,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:21,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253486189] [2024-11-27 23:27:21,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:21,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:21,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:21,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:21,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:21,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:21,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 530 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:21,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:21,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:21,489 INFO L124 PetriNetUnfolderBase]: 22/941 cut-off events. [2024-11-27 23:27:21,489 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-27 23:27:21,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 941 events. 22/941 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3551 event pairs, 5 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 799. Up to 22 conditions per place. [2024-11-27 23:27:21,501 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 11 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2024-11-27 23:27:21,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 529 transitions, 1094 flow [2024-11-27 23:27:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:21,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:21,507 INFO L175 Difference]: Start difference. First operand has 527 places, 530 transitions, 1070 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:21,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 529 transitions, 1094 flow [2024-11-27 23:27:21,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 529 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:21,515 INFO L231 Difference]: Finished difference. Result has 526 places, 529 transitions, 1068 flow [2024-11-27 23:27:21,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=526, PETRI_TRANSITIONS=529} [2024-11-27 23:27:21,517 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -19 predicate places. [2024-11-27 23:27:21,518 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 529 transitions, 1068 flow [2024-11-27 23:27:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:21,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:21,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:27:21,520 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:21,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:21,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2097566815, now seen corresponding path program 1 times [2024-11-27 23:27:21,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:21,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223237933] [2024-11-27 23:27:21,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:21,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:21,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:21,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223237933] [2024-11-27 23:27:21,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223237933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:21,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:21,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:21,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771649857] [2024-11-27 23:27:21,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:21,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:21,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:21,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:21,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:21,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 589 [2024-11-27 23:27:21,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 529 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:21,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 589 [2024-11-27 23:27:21,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:21,798 INFO L124 PetriNetUnfolderBase]: 24/906 cut-off events. [2024-11-27 23:27:21,799 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-27 23:27:21,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 906 events. 24/906 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3260 event pairs, 7 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 758. Up to 25 conditions per place. [2024-11-27 23:27:21,814 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 11 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-27 23:27:21,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 528 transitions, 1092 flow [2024-11-27 23:27:21,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:21,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:21,819 INFO L175 Difference]: Start difference. First operand has 526 places, 529 transitions, 1068 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:21,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 528 transitions, 1092 flow [2024-11-27 23:27:21,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 528 transitions, 1088 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:21,828 INFO L231 Difference]: Finished difference. Result has 525 places, 528 transitions, 1066 flow [2024-11-27 23:27:21,829 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=525, PETRI_TRANSITIONS=528} [2024-11-27 23:27:21,831 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -20 predicate places. [2024-11-27 23:27:21,832 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 528 transitions, 1066 flow [2024-11-27 23:27:21,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.3333333333334) internal successors, (1654), 3 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:21,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:21,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:27:21,834 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:21,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash -201013516, now seen corresponding path program 1 times [2024-11-27 23:27:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:21,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810662323] [2024-11-27 23:27:21,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:21,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:21,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810662323] [2024-11-27 23:27:21,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810662323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:21,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880983603] [2024-11-27 23:27:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:21,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:21,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:21,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:21,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:21,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 528 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:21,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:21,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:21,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:22,285 INFO L124 PetriNetUnfolderBase]: 45/1330 cut-off events. [2024-11-27 23:27:22,285 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 23:27:22,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 1330 events. 45/1330 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 7338 event pairs, 6 based on Foata normal form. 0/1148 useless extension candidates. Maximal degree in co-relation 1204. Up to 43 conditions per place. [2024-11-27 23:27:22,309 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 13 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-27 23:27:22,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 530 transitions, 1102 flow [2024-11-27 23:27:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1673 transitions. [2024-11-27 23:27:22,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468024900962083 [2024-11-27 23:27:22,314 INFO L175 Difference]: Start difference. First operand has 525 places, 528 transitions, 1066 flow. Second operand 3 states and 1673 transitions. [2024-11-27 23:27:22,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 530 transitions, 1102 flow [2024-11-27 23:27:22,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 530 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:22,327 INFO L231 Difference]: Finished difference. Result has 524 places, 528 transitions, 1072 flow [2024-11-27 23:27:22,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=524, PETRI_TRANSITIONS=528} [2024-11-27 23:27:22,329 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -21 predicate places. [2024-11-27 23:27:22,329 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 528 transitions, 1072 flow [2024-11-27 23:27:22,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:22,330 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:22,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:22,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:27:22,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:22,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:22,331 INFO L85 PathProgramCache]: Analyzing trace with hash 323725178, now seen corresponding path program 1 times [2024-11-27 23:27:22,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:22,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779554028] [2024-11-27 23:27:22,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:22,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:22,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779554028] [2024-11-27 23:27:22,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779554028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:22,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:22,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:22,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620832513] [2024-11-27 23:27:22,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:22,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:22,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:22,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:22,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:22,437 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:22,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 528 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:22,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:22,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:22,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:22,788 INFO L124 PetriNetUnfolderBase]: 36/1203 cut-off events. [2024-11-27 23:27:22,788 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-27 23:27:22,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 1203 events. 36/1203 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5728 event pairs, 6 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 953. Up to 31 conditions per place. [2024-11-27 23:27:22,819 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 13 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-11-27 23:27:22,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 530 transitions, 1108 flow [2024-11-27 23:27:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:22,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1673 transitions. [2024-11-27 23:27:22,825 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468024900962083 [2024-11-27 23:27:22,825 INFO L175 Difference]: Start difference. First operand has 524 places, 528 transitions, 1072 flow. Second operand 3 states and 1673 transitions. [2024-11-27 23:27:22,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 530 transitions, 1108 flow [2024-11-27 23:27:22,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 530 transitions, 1108 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:22,839 INFO L231 Difference]: Finished difference. Result has 525 places, 528 transitions, 1082 flow [2024-11-27 23:27:22,840 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=525, PETRI_TRANSITIONS=528} [2024-11-27 23:27:22,840 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -20 predicate places. [2024-11-27 23:27:22,841 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 528 transitions, 1082 flow [2024-11-27 23:27:22,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:22,842 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:22,842 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:22,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:27:22,843 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:22,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1521115485, now seen corresponding path program 1 times [2024-11-27 23:27:22,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:22,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254735754] [2024-11-27 23:27:22,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:22,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:22,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:22,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254735754] [2024-11-27 23:27:22,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254735754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:22,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:22,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:22,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484809511] [2024-11-27 23:27:22,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:22,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:22,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:22,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:22,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:23,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 589 [2024-11-27 23:27:23,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 528 transitions, 1082 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:23,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:23,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 589 [2024-11-27 23:27:23,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:23,347 INFO L124 PetriNetUnfolderBase]: 39/1108 cut-off events. [2024-11-27 23:27:23,347 INFO L125 PetriNetUnfolderBase]: For 2/14 co-relation queries the response was YES. [2024-11-27 23:27:23,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1192 conditions, 1108 events. 39/1108 cut-off events. For 2/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5604 event pairs, 12 based on Foata normal form. 1/971 useless extension candidates. Maximal degree in co-relation 891. Up to 38 conditions per place. [2024-11-27 23:27:23,374 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 15 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2024-11-27 23:27:23,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 529 transitions, 1120 flow [2024-11-27 23:27:23,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2024-11-27 23:27:23,380 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9422750424448217 [2024-11-27 23:27:23,380 INFO L175 Difference]: Start difference. First operand has 525 places, 528 transitions, 1082 flow. Second operand 3 states and 1665 transitions. [2024-11-27 23:27:23,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 529 transitions, 1120 flow [2024-11-27 23:27:23,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 529 transitions, 1120 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:23,392 INFO L231 Difference]: Finished difference. Result has 526 places, 527 transitions, 1084 flow [2024-11-27 23:27:23,393 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=526, PETRI_TRANSITIONS=527} [2024-11-27 23:27:23,394 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -19 predicate places. [2024-11-27 23:27:23,395 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 527 transitions, 1084 flow [2024-11-27 23:27:23,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:23,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:23,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:23,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:27:23,397 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:23,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:23,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1842345784, now seen corresponding path program 1 times [2024-11-27 23:27:23,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:23,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184451644] [2024-11-27 23:27:23,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:23,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:23,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184451644] [2024-11-27 23:27:23,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184451644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:23,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:23,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:23,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330202641] [2024-11-27 23:27:23,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:23,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:23,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:23,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:23,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:23,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:23,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 527 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:23,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:23,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:23,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:24,068 INFO L124 PetriNetUnfolderBase]: 77/2149 cut-off events. [2024-11-27 23:27:24,068 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-27 23:27:24,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2246 conditions, 2149 events. 77/2149 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 15038 event pairs, 16 based on Foata normal form. 0/1857 useless extension candidates. Maximal degree in co-relation 1651. Up to 66 conditions per place. [2024-11-27 23:27:24,106 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 13 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2024-11-27 23:27:24,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 529 transitions, 1120 flow [2024-11-27 23:27:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1673 transitions. [2024-11-27 23:27:24,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468024900962083 [2024-11-27 23:27:24,111 INFO L175 Difference]: Start difference. First operand has 526 places, 527 transitions, 1084 flow. Second operand 3 states and 1673 transitions. [2024-11-27 23:27:24,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 529 transitions, 1120 flow [2024-11-27 23:27:24,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 529 transitions, 1116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:24,123 INFO L231 Difference]: Finished difference. Result has 525 places, 527 transitions, 1090 flow [2024-11-27 23:27:24,123 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=525, PETRI_TRANSITIONS=527} [2024-11-27 23:27:24,124 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -20 predicate places. [2024-11-27 23:27:24,124 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 527 transitions, 1090 flow [2024-11-27 23:27:24,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:24,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:24,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:24,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:27:24,126 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:24,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 843759651, now seen corresponding path program 1 times [2024-11-27 23:27:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:24,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834263458] [2024-11-27 23:27:24,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:24,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:24,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:24,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834263458] [2024-11-27 23:27:24,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834263458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:24,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:24,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:24,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036495741] [2024-11-27 23:27:24,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:24,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:24,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:24,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:24,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:24,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:24,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 527 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:24,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:24,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:24,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:24,642 INFO L124 PetriNetUnfolderBase]: 77/1945 cut-off events. [2024-11-27 23:27:24,642 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2024-11-27 23:27:24,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1945 events. 77/1945 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 12868 event pairs, 4 based on Foata normal form. 1/1687 useless extension candidates. Maximal degree in co-relation 1564. Up to 69 conditions per place. [2024-11-27 23:27:24,682 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 16 selfloop transitions, 2 changer transitions 0/532 dead transitions. [2024-11-27 23:27:24,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 532 transitions, 1141 flow [2024-11-27 23:27:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1676 transitions. [2024-11-27 23:27:24,686 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9485002829654782 [2024-11-27 23:27:24,686 INFO L175 Difference]: Start difference. First operand has 525 places, 527 transitions, 1090 flow. Second operand 3 states and 1676 transitions. [2024-11-27 23:27:24,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 532 transitions, 1141 flow [2024-11-27 23:27:24,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 532 transitions, 1141 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:24,694 INFO L231 Difference]: Finished difference. Result has 526 places, 527 transitions, 1100 flow [2024-11-27 23:27:24,695 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1100, PETRI_PLACES=526, PETRI_TRANSITIONS=527} [2024-11-27 23:27:24,696 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -19 predicate places. [2024-11-27 23:27:24,698 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 527 transitions, 1100 flow [2024-11-27 23:27:24,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:24,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:24,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:24,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:27:24,699 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:24,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash 386714982, now seen corresponding path program 1 times [2024-11-27 23:27:24,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:24,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447991057] [2024-11-27 23:27:24,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:24,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:24,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:24,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447991057] [2024-11-27 23:27:24,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447991057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:24,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:24,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:24,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982085376] [2024-11-27 23:27:24,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:24,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:24,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:24,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:24,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:24,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 547 out of 589 [2024-11-27 23:27:24,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 527 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:24,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:24,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 547 of 589 [2024-11-27 23:27:24,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:25,422 INFO L124 PetriNetUnfolderBase]: 90/2599 cut-off events. [2024-11-27 23:27:25,422 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-27 23:27:25,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2789 conditions, 2599 events. 90/2599 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 17781 event pairs, 10 based on Foata normal form. 0/2265 useless extension candidates. Maximal degree in co-relation 2373. Up to 40 conditions per place. [2024-11-27 23:27:25,484 INFO L140 encePairwiseOnDemand]: 581/589 looper letters, 15 selfloop transitions, 5 changer transitions 0/529 dead transitions. [2024-11-27 23:27:25,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 529 transitions, 1146 flow [2024-11-27 23:27:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2024-11-27 23:27:25,489 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9417091114883984 [2024-11-27 23:27:25,489 INFO L175 Difference]: Start difference. First operand has 526 places, 527 transitions, 1100 flow. Second operand 3 states and 1664 transitions. [2024-11-27 23:27:25,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 529 transitions, 1146 flow [2024-11-27 23:27:25,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 529 transitions, 1146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:25,499 INFO L231 Difference]: Finished difference. Result has 527 places, 527 transitions, 1126 flow [2024-11-27 23:27:25,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=527, PETRI_TRANSITIONS=527} [2024-11-27 23:27:25,501 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -18 predicate places. [2024-11-27 23:27:25,502 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 527 transitions, 1126 flow [2024-11-27 23:27:25,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.3333333333334) internal successors, (1645), 3 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:25,503 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:25,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:25,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:27:25,504 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:25,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1688271049, now seen corresponding path program 1 times [2024-11-27 23:27:25,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:25,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325035109] [2024-11-27 23:27:25,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:25,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:25,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:25,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325035109] [2024-11-27 23:27:25,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325035109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:25,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:25,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:25,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597770873] [2024-11-27 23:27:25,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:25,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:25,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:25,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:25,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:25,634 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:27:25,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 527 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:25,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:25,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:27:25,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:26,207 INFO L124 PetriNetUnfolderBase]: 104/2074 cut-off events. [2024-11-27 23:27:26,207 INFO L125 PetriNetUnfolderBase]: For 31/63 co-relation queries the response was YES. [2024-11-27 23:27:26,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2326 conditions, 2074 events. 104/2074 cut-off events. For 31/63 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 13989 event pairs, 36 based on Foata normal form. 1/1806 useless extension candidates. Maximal degree in co-relation 1940. Up to 112 conditions per place. [2024-11-27 23:27:26,247 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 16 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2024-11-27 23:27:26,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 528 transitions, 1166 flow [2024-11-27 23:27:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1663 transitions. [2024-11-27 23:27:26,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411431805319751 [2024-11-27 23:27:26,251 INFO L175 Difference]: Start difference. First operand has 527 places, 527 transitions, 1126 flow. Second operand 3 states and 1663 transitions. [2024-11-27 23:27:26,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 528 transitions, 1166 flow [2024-11-27 23:27:26,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 528 transitions, 1156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:26,262 INFO L231 Difference]: Finished difference. Result has 526 places, 526 transitions, 1118 flow [2024-11-27 23:27:26,263 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=526, PETRI_TRANSITIONS=526} [2024-11-27 23:27:26,265 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -19 predicate places. [2024-11-27 23:27:26,265 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 526 transitions, 1118 flow [2024-11-27 23:27:26,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:26,266 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:26,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:26,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:27:26,267 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:26,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:26,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1554700711, now seen corresponding path program 1 times [2024-11-27 23:27:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:26,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594952736] [2024-11-27 23:27:26,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:26,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:26,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594952736] [2024-11-27 23:27:26,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594952736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:26,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:26,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:26,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524608862] [2024-11-27 23:27:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:26,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:26,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:26,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:26,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:26,534 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 551 out of 589 [2024-11-27 23:27:26,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 526 transitions, 1118 flow. Second operand has 4 states, 4 states have (on average 552.25) internal successors, (2209), 4 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:26,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:26,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 551 of 589 [2024-11-27 23:27:26,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:27,281 INFO L124 PetriNetUnfolderBase]: 99/3208 cut-off events. [2024-11-27 23:27:27,282 INFO L125 PetriNetUnfolderBase]: For 9/43 co-relation queries the response was YES. [2024-11-27 23:27:27,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 3208 events. 99/3208 cut-off events. For 9/43 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 21993 event pairs, 15 based on Foata normal form. 4/2801 useless extension candidates. Maximal degree in co-relation 3059. Up to 50 conditions per place. [2024-11-27 23:27:27,332 INFO L140 encePairwiseOnDemand]: 584/589 looper letters, 27 selfloop transitions, 4 changer transitions 0/542 dead transitions. [2024-11-27 23:27:27,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 542 transitions, 1222 flow [2024-11-27 23:27:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:27:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:27:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2787 transitions. [2024-11-27 23:27:27,339 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9463497453310696 [2024-11-27 23:27:27,340 INFO L175 Difference]: Start difference. First operand has 526 places, 526 transitions, 1118 flow. Second operand 5 states and 2787 transitions. [2024-11-27 23:27:27,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 542 transitions, 1222 flow [2024-11-27 23:27:27,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 542 transitions, 1218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:27,353 INFO L231 Difference]: Finished difference. Result has 531 places, 528 transitions, 1139 flow [2024-11-27 23:27:27,354 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1139, PETRI_PLACES=531, PETRI_TRANSITIONS=528} [2024-11-27 23:27:27,354 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -14 predicate places. [2024-11-27 23:27:27,355 INFO L471 AbstractCegarLoop]: Abstraction has has 531 places, 528 transitions, 1139 flow [2024-11-27 23:27:27,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 552.25) internal successors, (2209), 4 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:27,356 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:27,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:27,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:27:27,357 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:27,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1158755564, now seen corresponding path program 1 times [2024-11-27 23:27:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:27,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752279933] [2024-11-27 23:27:27,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:27:27,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:27,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752279933] [2024-11-27 23:27:27,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752279933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:27,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:27,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:27,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284817440] [2024-11-27 23:27:27,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:27,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:27:27,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:27,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:27:27,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:27:27,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 532 out of 589 [2024-11-27 23:27:27,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 528 transitions, 1139 flow. Second operand has 5 states, 5 states have (on average 537.0) internal successors, (2685), 5 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:27,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:27,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 532 of 589 [2024-11-27 23:27:27,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:28,129 INFO L124 PetriNetUnfolderBase]: 33/1368 cut-off events. [2024-11-27 23:27:28,129 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-11-27 23:27:28,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 1368 events. 33/1368 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6502 event pairs, 1 based on Foata normal form. 3/1218 useless extension candidates. Maximal degree in co-relation 1367. Up to 20 conditions per place. [2024-11-27 23:27:28,154 INFO L140 encePairwiseOnDemand]: 568/589 looper letters, 18 selfloop transitions, 18 changer transitions 0/531 dead transitions. [2024-11-27 23:27:28,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 531 transitions, 1217 flow [2024-11-27 23:27:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:27:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:27:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2699 transitions. [2024-11-27 23:27:28,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9164685908319186 [2024-11-27 23:27:28,160 INFO L175 Difference]: Start difference. First operand has 531 places, 528 transitions, 1139 flow. Second operand 5 states and 2699 transitions. [2024-11-27 23:27:28,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 531 transitions, 1217 flow [2024-11-27 23:27:28,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 531 transitions, 1217 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:28,170 INFO L231 Difference]: Finished difference. Result has 536 places, 531 transitions, 1199 flow [2024-11-27 23:27:28,171 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1139, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1199, PETRI_PLACES=536, PETRI_TRANSITIONS=531} [2024-11-27 23:27:28,172 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -9 predicate places. [2024-11-27 23:27:28,172 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 531 transitions, 1199 flow [2024-11-27 23:27:28,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 537.0) internal successors, (2685), 5 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:28,174 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:28,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:28,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:27:28,175 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:28,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash -238625020, now seen corresponding path program 1 times [2024-11-27 23:27:28,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:28,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510925418] [2024-11-27 23:27:28,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:28,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 23:27:28,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:28,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510925418] [2024-11-27 23:27:28,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510925418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:28,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195421299] [2024-11-27 23:27:28,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:28,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:28,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:28,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:28,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:27:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:28,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:27:28,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 23:27:28,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:27:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 23:27:29,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195421299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:27:29,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:27:29,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-27 23:27:29,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71334901] [2024-11-27 23:27:29,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:27:29,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:27:29,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:29,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:27:29,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:27:29,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 523 out of 589 [2024-11-27 23:27:29,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 531 transitions, 1199 flow. Second operand has 15 states, 15 states have (on average 526.4666666666667) internal successors, (7897), 15 states have internal predecessors, (7897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:29,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:29,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 523 of 589 [2024-11-27 23:27:29,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:30,321 INFO L124 PetriNetUnfolderBase]: 33/1419 cut-off events. [2024-11-27 23:27:30,321 INFO L125 PetriNetUnfolderBase]: For 23/37 co-relation queries the response was YES. [2024-11-27 23:27:30,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1609 conditions, 1419 events. 33/1419 cut-off events. For 23/37 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6435 event pairs, 1 based on Foata normal form. 6/1272 useless extension candidates. Maximal degree in co-relation 1481. Up to 20 conditions per place. [2024-11-27 23:27:30,342 INFO L140 encePairwiseOnDemand]: 559/589 looper letters, 30 selfloop transitions, 39 changer transitions 0/555 dead transitions. [2024-11-27 23:27:30,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1391 flow [2024-11-27 23:27:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:27:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 23:27:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5828 transitions. [2024-11-27 23:27:30,351 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8995215311004785 [2024-11-27 23:27:30,351 INFO L175 Difference]: Start difference. First operand has 536 places, 531 transitions, 1199 flow. Second operand 11 states and 5828 transitions. [2024-11-27 23:27:30,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1391 flow [2024-11-27 23:27:30,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 555 transitions, 1361 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 23:27:30,360 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1349 flow [2024-11-27 23:27:30,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1349, PETRI_PLACES=546, PETRI_TRANSITIONS=549} [2024-11-27 23:27:30,361 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 1 predicate places. [2024-11-27 23:27:30,362 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1349 flow [2024-11-27 23:27:30,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 526.4666666666667) internal successors, (7897), 15 states have internal predecessors, (7897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:30,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:30,365 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:30,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:30,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 23:27:30,566 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:30,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash -433681852, now seen corresponding path program 2 times [2024-11-27 23:27:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:30,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935921675] [2024-11-27 23:27:30,568 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:27:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:30,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:27:30,619 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:27:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:27:31,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935921675] [2024-11-27 23:27:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935921675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:31,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:31,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:31,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125618821] [2024-11-27 23:27:31,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:31,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:31,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:31,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:31,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:31,855 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:27:31,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1349 flow. Second operand has 6 states, 6 states have (on average 540.5) internal successors, (3243), 6 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:31,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:31,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:27:31,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:32,828 INFO L124 PetriNetUnfolderBase]: 77/2321 cut-off events. [2024-11-27 23:27:32,829 INFO L125 PetriNetUnfolderBase]: For 50/92 co-relation queries the response was YES. [2024-11-27 23:27:32,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2710 conditions, 2321 events. 77/2321 cut-off events. For 50/92 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14151 event pairs, 5 based on Foata normal form. 8/2072 useless extension candidates. Maximal degree in co-relation 2566. Up to 70 conditions per place. [2024-11-27 23:27:32,885 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 30 selfloop transitions, 6 changer transitions 0/556 dead transitions. [2024-11-27 23:27:32,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 556 transitions, 1443 flow [2024-11-27 23:27:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3258 transitions. [2024-11-27 23:27:32,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219015280135824 [2024-11-27 23:27:32,893 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1349 flow. Second operand 6 states and 3258 transitions. [2024-11-27 23:27:32,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 556 transitions, 1443 flow [2024-11-27 23:27:32,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 556 transitions, 1407 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-27 23:27:32,907 INFO L231 Difference]: Finished difference. Result has 547 places, 548 transitions, 1323 flow [2024-11-27 23:27:32,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1323, PETRI_PLACES=547, PETRI_TRANSITIONS=548} [2024-11-27 23:27:32,908 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 2 predicate places. [2024-11-27 23:27:32,908 INFO L471 AbstractCegarLoop]: Abstraction has has 547 places, 548 transitions, 1323 flow [2024-11-27 23:27:32,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.5) internal successors, (3243), 6 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:32,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:32,910 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:32,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:27:32,910 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:32,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:32,912 INFO L85 PathProgramCache]: Analyzing trace with hash -538681854, now seen corresponding path program 1 times [2024-11-27 23:27:32,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:32,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412571866] [2024-11-27 23:27:32,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:27:33,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:33,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412571866] [2024-11-27 23:27:33,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412571866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:33,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:33,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:33,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926125939] [2024-11-27 23:27:33,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:33,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:33,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:33,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:33,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:33,116 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 589 [2024-11-27 23:27:33,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 548 transitions, 1323 flow. Second operand has 3 states, 3 states have (on average 551.0) internal successors, (1653), 3 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:33,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:33,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 589 [2024-11-27 23:27:33,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:34,455 INFO L124 PetriNetUnfolderBase]: 142/4514 cut-off events. [2024-11-27 23:27:34,455 INFO L125 PetriNetUnfolderBase]: For 59/106 co-relation queries the response was YES. [2024-11-27 23:27:34,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4981 conditions, 4514 events. 142/4514 cut-off events. For 59/106 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 35143 event pairs, 28 based on Foata normal form. 7/3959 useless extension candidates. Maximal degree in co-relation 4652. Up to 95 conditions per place. [2024-11-27 23:27:34,495 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 17 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-11-27 23:27:34,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 549 transitions, 1365 flow [2024-11-27 23:27:34,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2024-11-27 23:27:34,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9422750424448217 [2024-11-27 23:27:34,498 INFO L175 Difference]: Start difference. First operand has 547 places, 548 transitions, 1323 flow. Second operand 3 states and 1665 transitions. [2024-11-27 23:27:34,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 549 transitions, 1365 flow [2024-11-27 23:27:34,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 549 transitions, 1353 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:27:34,503 INFO L231 Difference]: Finished difference. Result has 543 places, 547 transitions, 1313 flow [2024-11-27 23:27:34,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1309, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1313, PETRI_PLACES=543, PETRI_TRANSITIONS=547} [2024-11-27 23:27:34,504 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -2 predicate places. [2024-11-27 23:27:34,505 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 547 transitions, 1313 flow [2024-11-27 23:27:34,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.0) internal successors, (1653), 3 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:34,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:34,506 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:34,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:27:34,506 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:34,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:34,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2104432068, now seen corresponding path program 1 times [2024-11-27 23:27:34,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:34,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650003871] [2024-11-27 23:27:34,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:34,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:27:34,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:34,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650003871] [2024-11-27 23:27:34,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650003871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:34,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:34,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718283184] [2024-11-27 23:27:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:34,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:34,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:34,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:34,671 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:27:34,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 547 transitions, 1313 flow. Second operand has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:34,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:34,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:27:34,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:35,337 INFO L124 PetriNetUnfolderBase]: 145/2185 cut-off events. [2024-11-27 23:27:35,338 INFO L125 PetriNetUnfolderBase]: For 121/165 co-relation queries the response was YES. [2024-11-27 23:27:35,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2587 conditions, 2185 events. 145/2185 cut-off events. For 121/165 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 14435 event pairs, 61 based on Foata normal form. 1/1889 useless extension candidates. Maximal degree in co-relation 2258. Up to 187 conditions per place. [2024-11-27 23:27:35,387 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 16 selfloop transitions, 2 changer transitions 0/548 dead transitions. [2024-11-27 23:27:35,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 548 transitions, 1353 flow [2024-11-27 23:27:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1663 transitions. [2024-11-27 23:27:35,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411431805319751 [2024-11-27 23:27:35,390 INFO L175 Difference]: Start difference. First operand has 543 places, 547 transitions, 1313 flow. Second operand 3 states and 1663 transitions. [2024-11-27 23:27:35,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 548 transitions, 1353 flow [2024-11-27 23:27:35,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:35,399 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1311 flow [2024-11-27 23:27:35,400 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1307, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1311, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2024-11-27 23:27:35,400 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -3 predicate places. [2024-11-27 23:27:35,400 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1311 flow [2024-11-27 23:27:35,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:35,401 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:35,402 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:35,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:27:35,402 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:35,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1443371928, now seen corresponding path program 1 times [2024-11-27 23:27:35,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:35,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184492427] [2024-11-27 23:27:35,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:35,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:27:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184492427] [2024-11-27 23:27:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184492427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:35,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257318769] [2024-11-27 23:27:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:35,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:35,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:35,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:35,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 589 [2024-11-27 23:27:35,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1311 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:35,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:35,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 589 [2024-11-27 23:27:35,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:36,635 INFO L124 PetriNetUnfolderBase]: 154/3695 cut-off events. [2024-11-27 23:27:36,636 INFO L125 PetriNetUnfolderBase]: For 47/115 co-relation queries the response was YES. [2024-11-27 23:27:36,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4180 conditions, 3695 events. 154/3695 cut-off events. For 47/115 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 27419 event pairs, 25 based on Foata normal form. 1/3273 useless extension candidates. Maximal degree in co-relation 3851. Up to 110 conditions per place. [2024-11-27 23:27:36,680 INFO L140 encePairwiseOnDemand]: 580/589 looper letters, 17 selfloop transitions, 5 changer transitions 0/547 dead transitions. [2024-11-27 23:27:36,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 547 transitions, 1359 flow [2024-11-27 23:27:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-11-27 23:27:36,683 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9383135257498585 [2024-11-27 23:27:36,683 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1311 flow. Second operand 3 states and 1658 transitions. [2024-11-27 23:27:36,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 547 transitions, 1359 flow [2024-11-27 23:27:36,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 547 transitions, 1355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:36,691 INFO L231 Difference]: Finished difference. Result has 540 places, 545 transitions, 1331 flow [2024-11-27 23:27:36,691 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1331, PETRI_PLACES=540, PETRI_TRANSITIONS=545} [2024-11-27 23:27:36,692 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -5 predicate places. [2024-11-27 23:27:36,692 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 545 transitions, 1331 flow [2024-11-27 23:27:36,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:36,692 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:36,692 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:36,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 23:27:36,692 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:36,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:36,694 INFO L85 PathProgramCache]: Analyzing trace with hash -156387257, now seen corresponding path program 1 times [2024-11-27 23:27:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:36,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826335214] [2024-11-27 23:27:36,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:36,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-27 23:27:36,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:36,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826335214] [2024-11-27 23:27:36,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826335214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:36,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:36,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:36,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395698184] [2024-11-27 23:27:36,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:36,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:36,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:36,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:36,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:36,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:36,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 545 transitions, 1331 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:36,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:36,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:36,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:37,960 INFO L124 PetriNetUnfolderBase]: 136/3757 cut-off events. [2024-11-27 23:27:37,961 INFO L125 PetriNetUnfolderBase]: For 76/112 co-relation queries the response was YES. [2024-11-27 23:27:38,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4214 conditions, 3757 events. 136/3757 cut-off events. For 76/112 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 27896 event pairs, 30 based on Foata normal form. 1/3336 useless extension candidates. Maximal degree in co-relation 3883. Up to 141 conditions per place. [2024-11-27 23:27:38,028 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 16 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2024-11-27 23:27:38,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 550 transitions, 1382 flow [2024-11-27 23:27:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1676 transitions. [2024-11-27 23:27:38,031 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9485002829654782 [2024-11-27 23:27:38,031 INFO L175 Difference]: Start difference. First operand has 540 places, 545 transitions, 1331 flow. Second operand 3 states and 1676 transitions. [2024-11-27 23:27:38,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 550 transitions, 1382 flow [2024-11-27 23:27:38,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 550 transitions, 1372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:38,042 INFO L231 Difference]: Finished difference. Result has 539 places, 545 transitions, 1331 flow [2024-11-27 23:27:38,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1317, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1331, PETRI_PLACES=539, PETRI_TRANSITIONS=545} [2024-11-27 23:27:38,043 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -6 predicate places. [2024-11-27 23:27:38,043 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 545 transitions, 1331 flow [2024-11-27 23:27:38,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:38,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:38,044 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:38,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 23:27:38,044 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:38,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:38,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1750523597, now seen corresponding path program 1 times [2024-11-27 23:27:38,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200235977] [2024-11-27 23:27:38,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:38,257 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:27:38,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:38,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200235977] [2024-11-27 23:27:38,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200235977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:38,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785841626] [2024-11-27 23:27:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:38,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:38,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:38,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:38,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:38,323 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 551 out of 589 [2024-11-27 23:27:38,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 545 transitions, 1331 flow. Second operand has 4 states, 4 states have (on average 552.5) internal successors, (2210), 4 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:38,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:38,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 551 of 589 [2024-11-27 23:27:38,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:40,072 INFO L124 PetriNetUnfolderBase]: 244/6510 cut-off events. [2024-11-27 23:27:40,072 INFO L125 PetriNetUnfolderBase]: For 89/254 co-relation queries the response was YES. [2024-11-27 23:27:40,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7319 conditions, 6510 events. 244/6510 cut-off events. For 89/254 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 56798 event pairs, 58 based on Foata normal form. 6/5735 useless extension candidates. Maximal degree in co-relation 6989. Up to 155 conditions per place. [2024-11-27 23:27:40,190 INFO L140 encePairwiseOnDemand]: 584/589 looper letters, 25 selfloop transitions, 4 changer transitions 0/559 dead transitions. [2024-11-27 23:27:40,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 559 transitions, 1425 flow [2024-11-27 23:27:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:27:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:27:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2785 transitions. [2024-11-27 23:27:40,195 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9456706281833617 [2024-11-27 23:27:40,195 INFO L175 Difference]: Start difference. First operand has 539 places, 545 transitions, 1331 flow. Second operand 5 states and 2785 transitions. [2024-11-27 23:27:40,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 559 transitions, 1425 flow [2024-11-27 23:27:40,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 559 transitions, 1425 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:40,352 INFO L231 Difference]: Finished difference. Result has 546 places, 547 transitions, 1356 flow [2024-11-27 23:27:40,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1356, PETRI_PLACES=546, PETRI_TRANSITIONS=547} [2024-11-27 23:27:40,353 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 1 predicate places. [2024-11-27 23:27:40,353 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 547 transitions, 1356 flow [2024-11-27 23:27:40,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 552.5) internal successors, (2210), 4 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:40,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:40,354 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:40,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:27:40,354 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:40,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:40,355 INFO L85 PathProgramCache]: Analyzing trace with hash 365991314, now seen corresponding path program 1 times [2024-11-27 23:27:40,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:40,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800755495] [2024-11-27 23:27:40,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:27:40,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:40,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800755495] [2024-11-27 23:27:40,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800755495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:40,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873980494] [2024-11-27 23:27:40,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:40,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:27:40,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:27:40,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:27:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:41,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:27:41,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:27:41,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:27:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-27 23:27:41,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873980494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:27:41,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:27:41,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-27 23:27:41,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109681447] [2024-11-27 23:27:41,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:27:41,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:27:41,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:41,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:27:41,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:27:42,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 523 out of 589 [2024-11-27 23:27:42,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 547 transitions, 1356 flow. Second operand has 22 states, 22 states have (on average 526.1363636363636) internal successors, (11575), 22 states have internal predecessors, (11575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:42,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:42,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 523 of 589 [2024-11-27 23:27:42,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:43,769 INFO L124 PetriNetUnfolderBase]: 50/2312 cut-off events. [2024-11-27 23:27:43,769 INFO L125 PetriNetUnfolderBase]: For 74/106 co-relation queries the response was YES. [2024-11-27 23:27:43,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2750 conditions, 2312 events. 50/2312 cut-off events. For 74/106 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 13289 event pairs, 4 based on Foata normal form. 6/2101 useless extension candidates. Maximal degree in co-relation 2472. Up to 37 conditions per place. [2024-11-27 23:27:43,810 INFO L140 encePairwiseOnDemand]: 559/589 looper letters, 36 selfloop transitions, 57 changer transitions 0/577 dead transitions. [2024-11-27 23:27:43,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 577 transitions, 1686 flow [2024-11-27 23:27:43,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 23:27:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-27 23:27:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8990 transitions. [2024-11-27 23:27:43,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8978328173374613 [2024-11-27 23:27:43,819 INFO L175 Difference]: Start difference. First operand has 546 places, 547 transitions, 1356 flow. Second operand 17 states and 8990 transitions. [2024-11-27 23:27:43,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 577 transitions, 1686 flow [2024-11-27 23:27:43,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 577 transitions, 1686 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:27:43,826 INFO L231 Difference]: Finished difference. Result has 565 places, 568 transitions, 1632 flow [2024-11-27 23:27:43,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1632, PETRI_PLACES=565, PETRI_TRANSITIONS=568} [2024-11-27 23:27:43,827 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 20 predicate places. [2024-11-27 23:27:43,827 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 568 transitions, 1632 flow [2024-11-27 23:27:43,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 526.1363636363636) internal successors, (11575), 22 states have internal predecessors, (11575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:43,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:43,832 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:43,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:27:44,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:27:44,033 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:44,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash -566303600, now seen corresponding path program 1 times [2024-11-27 23:27:44,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:44,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91328996] [2024-11-27 23:27:44,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:44,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:27:44,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:44,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91328996] [2024-11-27 23:27:44,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91328996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:44,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:44,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:44,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527444437] [2024-11-27 23:27:44,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:44,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:44,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:44,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:44,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:44,352 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:27:44,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 568 transitions, 1632 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:44,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:44,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:27:44,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:47,470 INFO L124 PetriNetUnfolderBase]: 386/9292 cut-off events. [2024-11-27 23:27:47,470 INFO L125 PetriNetUnfolderBase]: For 303/521 co-relation queries the response was YES. [2024-11-27 23:27:47,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10641 conditions, 9292 events. 386/9292 cut-off events. For 303/521 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 92015 event pairs, 113 based on Foata normal form. 6/8182 useless extension candidates. Maximal degree in co-relation 10091. Up to 310 conditions per place. [2024-11-27 23:27:47,567 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 18 selfloop transitions, 2 changer transitions 0/569 dead transitions. [2024-11-27 23:27:47,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 569 transitions, 1676 flow [2024-11-27 23:27:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1663 transitions. [2024-11-27 23:27:47,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411431805319751 [2024-11-27 23:27:47,569 INFO L175 Difference]: Start difference. First operand has 565 places, 568 transitions, 1632 flow. Second operand 3 states and 1663 transitions. [2024-11-27 23:27:47,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 569 transitions, 1676 flow [2024-11-27 23:27:47,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 569 transitions, 1598 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-27 23:27:47,582 INFO L231 Difference]: Finished difference. Result has 558 places, 567 transitions, 1556 flow [2024-11-27 23:27:47,583 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1556, PETRI_PLACES=558, PETRI_TRANSITIONS=567} [2024-11-27 23:27:47,583 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 13 predicate places. [2024-11-27 23:27:47,583 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 567 transitions, 1556 flow [2024-11-27 23:27:47,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:47,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:47,584 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:47,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 23:27:47,585 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:47,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:47,587 INFO L85 PathProgramCache]: Analyzing trace with hash -461303598, now seen corresponding path program 2 times [2024-11-27 23:27:47,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:47,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810379482] [2024-11-27 23:27:47,587 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:27:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:47,639 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:27:47,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:27:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:27:48,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:48,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810379482] [2024-11-27 23:27:48,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810379482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:48,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:48,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:48,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142958649] [2024-11-27 23:27:48,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:48,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:48,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:48,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:48,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:48,495 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:27:48,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 567 transitions, 1556 flow. Second operand has 6 states, 6 states have (on average 540.6666666666666) internal successors, (3244), 6 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:48,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:48,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:27:48,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:49,834 INFO L124 PetriNetUnfolderBase]: 200/4564 cut-off events. [2024-11-27 23:27:49,834 INFO L125 PetriNetUnfolderBase]: For 235/460 co-relation queries the response was YES. [2024-11-27 23:27:49,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5505 conditions, 4564 events. 200/4564 cut-off events. For 235/460 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 34901 event pairs, 18 based on Foata normal form. 17/4114 useless extension candidates. Maximal degree in co-relation 5178. Up to 147 conditions per place. [2024-11-27 23:27:49,916 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 30 selfloop transitions, 6 changer transitions 0/574 dead transitions. [2024-11-27 23:27:49,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 574 transitions, 1650 flow [2024-11-27 23:27:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3258 transitions. [2024-11-27 23:27:49,920 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9219015280135824 [2024-11-27 23:27:49,920 INFO L175 Difference]: Start difference. First operand has 558 places, 567 transitions, 1556 flow. Second operand 6 states and 3258 transitions. [2024-11-27 23:27:49,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 574 transitions, 1650 flow [2024-11-27 23:27:49,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 574 transitions, 1646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:49,928 INFO L231 Difference]: Finished difference. Result has 560 places, 566 transitions, 1562 flow [2024-11-27 23:27:49,928 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1562, PETRI_PLACES=560, PETRI_TRANSITIONS=566} [2024-11-27 23:27:49,929 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 15 predicate places. [2024-11-27 23:27:49,929 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 566 transitions, 1562 flow [2024-11-27 23:27:49,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.6666666666666) internal successors, (3244), 6 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:49,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:49,930 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:49,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 23:27:49,930 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:49,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash 345943493, now seen corresponding path program 1 times [2024-11-27 23:27:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:49,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692390415] [2024-11-27 23:27:49,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:27:50,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:50,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692390415] [2024-11-27 23:27:50,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692390415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:50,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:50,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:50,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011961850] [2024-11-27 23:27:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:50,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:50,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:50,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:50,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:50,119 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 589 [2024-11-27 23:27:50,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 566 transitions, 1562 flow. Second operand has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:50,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:50,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 589 [2024-11-27 23:27:50,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:51,630 INFO L124 PetriNetUnfolderBase]: 235/4728 cut-off events. [2024-11-27 23:27:51,630 INFO L125 PetriNetUnfolderBase]: For 255/339 co-relation queries the response was YES. [2024-11-27 23:27:51,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 4728 events. 235/4728 cut-off events. For 255/339 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 38910 event pairs, 56 based on Foata normal form. 14/4236 useless extension candidates. Maximal degree in co-relation 5108. Up to 240 conditions per place. [2024-11-27 23:27:51,691 INFO L140 encePairwiseOnDemand]: 580/589 looper letters, 13 selfloop transitions, 4 changer transitions 18/567 dead transitions. [2024-11-27 23:27:51,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 558 places, 567 transitions, 1608 flow [2024-11-27 23:27:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-11-27 23:27:51,694 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9377475947934352 [2024-11-27 23:27:51,694 INFO L175 Difference]: Start difference. First operand has 560 places, 566 transitions, 1562 flow. Second operand 3 states and 1657 transitions. [2024-11-27 23:27:51,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 558 places, 567 transitions, 1608 flow [2024-11-27 23:27:51,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 567 transitions, 1596 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:27:51,703 INFO L231 Difference]: Finished difference. Result has 555 places, 547 transitions, 1529 flow [2024-11-27 23:27:51,704 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=555, PETRI_TRANSITIONS=547} [2024-11-27 23:27:51,704 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 10 predicate places. [2024-11-27 23:27:51,704 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 547 transitions, 1529 flow [2024-11-27 23:27:51,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:51,705 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:51,705 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:51,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 23:27:51,705 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:51,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:51,706 INFO L85 PathProgramCache]: Analyzing trace with hash 932990155, now seen corresponding path program 1 times [2024-11-27 23:27:51,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:51,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969540906] [2024-11-27 23:27:51,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:51,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-27 23:27:52,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969540906] [2024-11-27 23:27:52,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969540906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:52,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:52,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:27:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596845294] [2024-11-27 23:27:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:52,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:27:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:52,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:27:52,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:27:53,397 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:27:53,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 547 transitions, 1529 flow. Second operand has 6 states, 6 states have (on average 540.5) internal successors, (3243), 6 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:53,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:53,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:27:53,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:55,081 INFO L124 PetriNetUnfolderBase]: 124/3943 cut-off events. [2024-11-27 23:27:55,081 INFO L125 PetriNetUnfolderBase]: For 193/293 co-relation queries the response was YES. [2024-11-27 23:27:55,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4820 conditions, 3943 events. 124/3943 cut-off events. For 193/293 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 26945 event pairs, 15 based on Foata normal form. 16/3623 useless extension candidates. Maximal degree in co-relation 4718. Up to 107 conditions per place. [2024-11-27 23:27:55,181 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-11-27 23:27:55,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1621 flow [2024-11-27 23:27:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:27:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:27:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3257 transitions. [2024-11-27 23:27:55,189 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216185625353707 [2024-11-27 23:27:55,190 INFO L175 Difference]: Start difference. First operand has 555 places, 547 transitions, 1529 flow. Second operand 6 states and 3257 transitions. [2024-11-27 23:27:55,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1621 flow [2024-11-27 23:27:55,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:27:55,206 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1531 flow [2024-11-27 23:27:55,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1519, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1531, PETRI_PLACES=539, PETRI_TRANSITIONS=546} [2024-11-27 23:27:55,207 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -6 predicate places. [2024-11-27 23:27:55,207 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1531 flow [2024-11-27 23:27:55,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.5) internal successors, (3243), 6 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:55,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:55,209 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:55,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 23:27:55,209 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:55,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -931078059, now seen corresponding path program 1 times [2024-11-27 23:27:55,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:55,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882349275] [2024-11-27 23:27:55,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:55,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:27:55,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:55,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882349275] [2024-11-27 23:27:55,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882349275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:55,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:55,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:27:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605979652] [2024-11-27 23:27:55,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:55,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:27:55,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:55,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:27:55,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:27:55,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 589 [2024-11-27 23:27:55,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 546 transitions, 1531 flow. Second operand has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:55,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:55,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 589 [2024-11-27 23:27:55,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:27:58,544 INFO L124 PetriNetUnfolderBase]: 497/10763 cut-off events. [2024-11-27 23:27:58,544 INFO L125 PetriNetUnfolderBase]: For 245/255 co-relation queries the response was YES. [2024-11-27 23:27:58,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12414 conditions, 10763 events. 497/10763 cut-off events. For 245/255 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 112256 event pairs, 162 based on Foata normal form. 0/9765 useless extension candidates. Maximal degree in co-relation 11900. Up to 618 conditions per place. [2024-11-27 23:27:58,689 INFO L140 encePairwiseOnDemand]: 585/589 looper letters, 13 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-11-27 23:27:58,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 549 transitions, 1570 flow [2024-11-27 23:27:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:27:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:27:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1673 transitions. [2024-11-27 23:27:58,692 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9468024900962083 [2024-11-27 23:27:58,692 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1531 flow. Second operand 3 states and 1673 transitions. [2024-11-27 23:27:58,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 549 transitions, 1570 flow [2024-11-27 23:27:58,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 549 transitions, 1558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:27:58,704 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1529 flow [2024-11-27 23:27:58,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=535, PETRI_TRANSITIONS=546} [2024-11-27 23:27:58,706 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -10 predicate places. [2024-11-27 23:27:58,706 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1529 flow [2024-11-27 23:27:58,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:58,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:27:58,707 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:58,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 23:27:58,707 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:27:58,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1887744072, now seen corresponding path program 1 times [2024-11-27 23:27:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401292301] [2024-11-27 23:27:58,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:58,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:27:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:27:58,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:27:58,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401292301] [2024-11-27 23:27:58,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401292301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:27:58,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:27:58,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:27:58,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850317409] [2024-11-27 23:27:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:27:58,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:27:58,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:27:58,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:27:58,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:27:59,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 551 out of 589 [2024-11-27 23:27:59,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 546 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 552.75) internal successors, (2211), 4 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:27:59,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:27:59,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 551 of 589 [2024-11-27 23:27:59,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:01,311 INFO L124 PetriNetUnfolderBase]: 373/7895 cut-off events. [2024-11-27 23:28:01,311 INFO L125 PetriNetUnfolderBase]: For 359/421 co-relation queries the response was YES. [2024-11-27 23:28:01,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9567 conditions, 7895 events. 373/7895 cut-off events. For 359/421 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 79917 event pairs, 146 based on Foata normal form. 4/7091 useless extension candidates. Maximal degree in co-relation 9053. Up to 444 conditions per place. [2024-11-27 23:28:01,459 INFO L140 encePairwiseOnDemand]: 584/589 looper letters, 20 selfloop transitions, 4 changer transitions 0/556 dead transitions. [2024-11-27 23:28:01,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 556 transitions, 1601 flow [2024-11-27 23:28:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:28:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:28:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2780 transitions. [2024-11-27 23:28:01,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9439728353140917 [2024-11-27 23:28:01,462 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1529 flow. Second operand 5 states and 2780 transitions. [2024-11-27 23:28:01,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 556 transitions, 1601 flow [2024-11-27 23:28:01,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 556 transitions, 1601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:28:01,474 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1554 flow [2024-11-27 23:28:01,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2024-11-27 23:28:01,476 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -3 predicate places. [2024-11-27 23:28:01,476 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1554 flow [2024-11-27 23:28:01,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 552.75) internal successors, (2211), 4 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:01,477 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:01,477 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:01,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:28:01,477 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:01,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:01,479 INFO L85 PathProgramCache]: Analyzing trace with hash -10856325, now seen corresponding path program 1 times [2024-11-27 23:28:01,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:01,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333228121] [2024-11-27 23:28:01,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:01,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:28:01,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333228121] [2024-11-27 23:28:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333228121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:01,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:01,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:28:01,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546589957] [2024-11-27 23:28:01,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:01,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:01,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:01,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:01,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:01,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:28:01,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1554 flow. Second operand has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:01,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:01,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:28:01,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:04,003 INFO L124 PetriNetUnfolderBase]: 534/7743 cut-off events. [2024-11-27 23:28:04,003 INFO L125 PetriNetUnfolderBase]: For 830/900 co-relation queries the response was YES. [2024-11-27 23:28:04,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10197 conditions, 7743 events. 534/7743 cut-off events. For 830/900 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 80638 event pairs, 275 based on Foata normal form. 2/7077 useless extension candidates. Maximal degree in co-relation 9680. Up to 783 conditions per place. [2024-11-27 23:28:04,114 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 14 selfloop transitions, 2 changer transitions 1/549 dead transitions. [2024-11-27 23:28:04,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 549 transitions, 1592 flow [2024-11-27 23:28:04,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:28:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1660 transitions. [2024-11-27 23:28:04,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394453876627051 [2024-11-27 23:28:04,116 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1554 flow. Second operand 3 states and 1660 transitions. [2024-11-27 23:28:04,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 549 transitions, 1592 flow [2024-11-27 23:28:04,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 549 transitions, 1592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:28:04,127 INFO L231 Difference]: Finished difference. Result has 543 places, 547 transitions, 1556 flow [2024-11-27 23:28:04,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1556, PETRI_PLACES=543, PETRI_TRANSITIONS=547} [2024-11-27 23:28:04,128 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -2 predicate places. [2024-11-27 23:28:04,128 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 547 transitions, 1556 flow [2024-11-27 23:28:04,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:04,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:04,129 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:04,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 23:28:04,129 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:04,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 94143677, now seen corresponding path program 1 times [2024-11-27 23:28:04,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:04,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342291874] [2024-11-27 23:28:04,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:28:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:05,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342291874] [2024-11-27 23:28:05,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342291874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:05,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:05,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:28:05,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878965647] [2024-11-27 23:28:05,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:05,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:05,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:05,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:05,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:05,599 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:28:05,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 547 transitions, 1556 flow. Second operand has 6 states, 6 states have (on average 540.8333333333334) internal successors, (3245), 6 states have internal predecessors, (3245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:05,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:05,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:28:05,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:07,740 INFO L124 PetriNetUnfolderBase]: 363/7609 cut-off events. [2024-11-27 23:28:07,740 INFO L125 PetriNetUnfolderBase]: For 675/765 co-relation queries the response was YES. [2024-11-27 23:28:07,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9897 conditions, 7609 events. 363/7609 cut-off events. For 675/765 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 75910 event pairs, 64 based on Foata normal form. 8/7100 useless extension candidates. Maximal degree in co-relation 9317. Up to 224 conditions per place. [2024-11-27 23:28:07,867 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-11-27 23:28:07,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 554 transitions, 1648 flow [2024-11-27 23:28:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:28:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3257 transitions. [2024-11-27 23:28:07,871 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216185625353707 [2024-11-27 23:28:07,871 INFO L175 Difference]: Start difference. First operand has 543 places, 547 transitions, 1556 flow. Second operand 6 states and 3257 transitions. [2024-11-27 23:28:07,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 554 transitions, 1648 flow [2024-11-27 23:28:07,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 554 transitions, 1644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:28:07,881 INFO L231 Difference]: Finished difference. Result has 545 places, 546 transitions, 1562 flow [2024-11-27 23:28:07,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1562, PETRI_PLACES=545, PETRI_TRANSITIONS=546} [2024-11-27 23:28:07,882 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, 0 predicate places. [2024-11-27 23:28:07,882 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 546 transitions, 1562 flow [2024-11-27 23:28:07,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.8333333333334) internal successors, (3245), 6 states have internal predecessors, (3245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:07,883 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:07,883 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:07,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 23:28:07,883 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:07,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:07,885 INFO L85 PathProgramCache]: Analyzing trace with hash -806588903, now seen corresponding path program 1 times [2024-11-27 23:28:07,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:07,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693127474] [2024-11-27 23:28:07,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:07,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:28:08,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693127474] [2024-11-27 23:28:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693127474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:08,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:08,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:28:08,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647436412] [2024-11-27 23:28:08,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:08,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:08,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:08,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:08,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:09,273 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:28:09,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 546 transitions, 1562 flow. Second operand has 6 states, 6 states have (on average 540.6666666666666) internal successors, (3244), 6 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:09,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:09,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:28:09,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:11,542 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1479] L68-10-->L68-11: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_23|)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][382], [620#true, 3956#(= (select (select |#race| ~o_4~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~o_4~0.offset)) 0), Black: 3882#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 3934#(= |#race~o_4~0| 0), 3938#(= |thread3Thread1of1ForFork2_~i~2#1| 0), Black: 3902#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 1989#(and (= |thread2Thread1of1ForFork1_~i~1#1| 0) (not (= (mod |thread2Thread1of1ForFork1_~stop~1#1| 256) 0))), Black: 3908#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1986#(= |thread2Thread1of1ForFork1_~i~1#1| 0), 595#(= |#race~isNull_1~0| 0), 1982#(= |#race~o_2~0| 0), 260#L104-1true, Black: 593#true, Black: 3923#(= |#race~result_13~0| 0), Black: 597#true, Black: 3932#true, Black: 604#true, Black: 608#true, 1984#true, Black: 3936#true, 606#(= |#race~isNull_5~0| 0), Black: 3941#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not (= (mod |thread3Thread1of1ForFork2_~stop~2#1| 256) 0))), Black: 614#(= |#race~result_7~0| 0), Black: 1945#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1953#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1959#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-11true, 3953#(and (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2 ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3 ~o_2~0.offset)) 0)), 610#(= |#race~o_0~0| 0), 140#L82-8true, Black: 625#(and (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0))), 599#(= |#race~isNull_3~0| 0), Black: 622#(= |thread1Thread1of1ForFork0_~i~0#1| 0), Black: 1975#true, Black: 637#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 1980#true]) [2024-11-27 23:28:11,542 INFO L294 olderBase$Statistics]: this new event has 684 ancestors and is cut-off event [2024-11-27 23:28:11,542 INFO L297 olderBase$Statistics]: existing Event has 631 ancestors and is cut-off event [2024-11-27 23:28:11,543 INFO L297 olderBase$Statistics]: existing Event has 578 ancestors and is cut-off event [2024-11-27 23:28:11,543 INFO L297 olderBase$Statistics]: existing Event has 631 ancestors and is cut-off event [2024-11-27 23:28:11,549 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1479] L68-10-->L68-11: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_23|)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][382], [3956#(= (select (select |#race| ~o_4~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~o_4~0.offset)) 0), 3938#(= |thread3Thread1of1ForFork2_~i~2#1| 0), Black: 3882#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 3934#(= |#race~o_4~0| 0), Black: 3902#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 1989#(and (= |thread2Thread1of1ForFork1_~i~1#1| 0) (not (= (mod |thread2Thread1of1ForFork1_~stop~1#1| 256) 0))), Black: 3908#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1986#(= |thread2Thread1of1ForFork1_~i~1#1| 0), 595#(= |#race~isNull_1~0| 0), 1982#(= |#race~o_2~0| 0), 260#L104-1true, Black: 593#true, Black: 3923#(= |#race~result_13~0| 0), Black: 597#true, Black: 3932#true, Black: 604#true, 623#(not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0)), Black: 608#true, 1984#true, Black: 3936#true, 606#(= |#race~isNull_5~0| 0), Black: 3941#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not (= (mod |thread3Thread1of1ForFork2_~stop~2#1| 256) 0))), Black: 614#(= |#race~result_7~0| 0), Black: 1945#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1953#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1959#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-11true, 3953#(and (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2 ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3 ~o_2~0.offset)) 0)), Black: 620#true, 610#(= |#race~o_0~0| 0), 140#L82-8true, 599#(= |#race~isNull_3~0| 0), Black: 625#(and (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0))), Black: 622#(= |thread1Thread1of1ForFork0_~i~0#1| 0), Black: 1975#true, Black: 637#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 1980#true]) [2024-11-27 23:28:11,549 INFO L294 olderBase$Statistics]: this new event has 686 ancestors and is cut-off event [2024-11-27 23:28:11,549 INFO L297 olderBase$Statistics]: existing Event has 633 ancestors and is cut-off event [2024-11-27 23:28:11,549 INFO L297 olderBase$Statistics]: existing Event has 633 ancestors and is cut-off event [2024-11-27 23:28:11,550 INFO L297 olderBase$Statistics]: existing Event has 580 ancestors and is cut-off event [2024-11-27 23:28:11,660 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1479] L68-10-->L68-11: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_23|)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][382], [620#true, 3956#(= (select (select |#race| ~o_4~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~o_4~0.offset)) 0), Black: 3882#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 3934#(= |#race~o_4~0| 0), Black: 3902#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 1989#(and (= |thread2Thread1of1ForFork1_~i~1#1| 0) (not (= (mod |thread2Thread1of1ForFork1_~stop~1#1| 256) 0))), Black: 3908#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1986#(= |thread2Thread1of1ForFork1_~i~1#1| 0), 595#(= |#race~isNull_1~0| 0), 1982#(= |#race~o_2~0| 0), 260#L104-1true, Black: 593#true, Black: 3921#true, Black: 597#true, Black: 3932#true, Black: 604#true, Black: 608#true, 1984#true, 606#(= |#race~isNull_5~0| 0), Black: 3941#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not (= (mod |thread3Thread1of1ForFork2_~stop~2#1| 256) 0))), Black: 614#(= |#race~result_7~0| 0), Black: 1945#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 3938#(= |thread3Thread1of1ForFork2_~i~2#1| 0), Black: 1953#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1959#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-11true, 3936#true, 3953#(and (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2 ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3 ~o_2~0.offset)) 0)), 610#(= |#race~o_0~0| 0), 599#(= |#race~isNull_3~0| 0), Black: 625#(and (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0))), 140#L82-8true, Black: 622#(= |thread1Thread1of1ForFork0_~i~0#1| 0), Black: 1975#true, Black: 637#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 1980#true]) [2024-11-27 23:28:11,660 INFO L294 olderBase$Statistics]: this new event has 737 ancestors and is cut-off event [2024-11-27 23:28:11,661 INFO L297 olderBase$Statistics]: existing Event has 631 ancestors and is cut-off event [2024-11-27 23:28:11,661 INFO L297 olderBase$Statistics]: existing Event has 684 ancestors and is cut-off event [2024-11-27 23:28:11,661 INFO L297 olderBase$Statistics]: existing Event has 684 ancestors and is cut-off event [2024-11-27 23:28:11,662 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1479] L68-10-->L68-11: Formula: (= (store |v_#race_32| v_~o_4~0.base_2 (store (select |v_#race_32| v_~o_4~0.base_2) (+ v_~o_4~0.offset_2 (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_23|)) 0)) |v_#race_31|) InVars {#race=|v_#race_32|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} OutVars{#race=|v_#race_31|, ~o_4~0.base=v_~o_4~0.base_2, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_23|, ~o_4~0.offset=v_~o_4~0.offset_2} AuxVars[] AssignedVars[#race][382], [3956#(= (select (select |#race| ~o_4~0.base) (+ (* 4 |thread2Thread1of1ForFork1_~i~1#1|) ~o_4~0.offset)) 0), Black: 3882#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 3934#(= |#race~o_4~0| 0), Black: 3902#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 3)), Black: 1989#(and (= |thread2Thread1of1ForFork1_~i~1#1| 0) (not (= (mod |thread2Thread1of1ForFork1_~stop~1#1| 256) 0))), Black: 3908#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1986#(= |thread2Thread1of1ForFork1_~i~1#1| 0), 595#(= |#race~isNull_1~0| 0), 1982#(= |#race~o_2~0| 0), 260#L104-1true, Black: 593#true, Black: 3921#true, Black: 597#true, Black: 3932#true, Black: 604#true, 623#(not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0)), Black: 608#true, 1984#true, 606#(= |#race~isNull_5~0| 0), Black: 614#(= |#race~result_7~0| 0), Black: 3941#(and (= |thread3Thread1of1ForFork2_~i~2#1| 0) (not (= (mod |thread3Thread1of1ForFork2_~stop~2#1| 256) 0))), Black: 3938#(= |thread3Thread1of1ForFork2_~i~2#1| 0), Black: 1945#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1953#(and (<= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 1959#(and (<= (+ |ULTIMATE.start_create_fresh_int_array_~i~3#1| 1) |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 53#L68-11true, 3936#true, 3953#(and (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) ~o_2~0.offset 1)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 2 ~o_2~0.offset)) 0) (= (select (select |#race| ~o_2~0.base) (+ (* |thread3Thread1of1ForFork2_~i~2#1| 4) 3 ~o_2~0.offset)) 0)), 610#(= |#race~o_0~0| 0), Black: 620#true, 599#(= |#race~isNull_3~0| 0), Black: 625#(and (= |thread1Thread1of1ForFork0_~i~0#1| 0) (not (= (mod |thread1Thread1of1ForFork0_~stop~0#1| 256) 0))), 140#L82-8true, Black: 622#(= |thread1Thread1of1ForFork0_~i~0#1| 0), Black: 1975#true, Black: 637#(and (<= 5 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= 5 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0)), Black: 1980#true]) [2024-11-27 23:28:11,662 INFO L294 olderBase$Statistics]: this new event has 739 ancestors and is cut-off event [2024-11-27 23:28:11,662 INFO L297 olderBase$Statistics]: existing Event has 633 ancestors and is cut-off event [2024-11-27 23:28:11,662 INFO L297 olderBase$Statistics]: existing Event has 686 ancestors and is cut-off event [2024-11-27 23:28:11,662 INFO L297 olderBase$Statistics]: existing Event has 686 ancestors and is cut-off event [2024-11-27 23:28:11,662 INFO L124 PetriNetUnfolderBase]: 331/7564 cut-off events. [2024-11-27 23:28:11,662 INFO L125 PetriNetUnfolderBase]: For 463/512 co-relation queries the response was YES. [2024-11-27 23:28:11,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9684 conditions, 7564 events. 331/7564 cut-off events. For 463/512 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 68253 event pairs, 39 based on Foata normal form. 0/7058 useless extension candidates. Maximal degree in co-relation 9468. Up to 169 conditions per place. [2024-11-27 23:28:11,820 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 29 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-27 23:28:11,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 553 transitions, 1654 flow [2024-11-27 23:28:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:28:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3257 transitions. [2024-11-27 23:28:11,824 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216185625353707 [2024-11-27 23:28:11,824 INFO L175 Difference]: Start difference. First operand has 545 places, 546 transitions, 1562 flow. Second operand 6 states and 3257 transitions. [2024-11-27 23:28:11,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 553 transitions, 1654 flow [2024-11-27 23:28:11,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1642 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:28:11,836 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1560 flow [2024-11-27 23:28:11,837 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1560, PETRI_PLACES=544, PETRI_TRANSITIONS=545} [2024-11-27 23:28:11,837 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -1 predicate places. [2024-11-27 23:28:11,838 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1560 flow [2024-11-27 23:28:11,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.6666666666666) internal successors, (3244), 6 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:11,839 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:11,839 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:11,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 23:28:11,839 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash -417629436, now seen corresponding path program 1 times [2024-11-27 23:28:11,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:11,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206493131] [2024-11-27 23:28:11,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-27 23:28:12,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:12,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206493131] [2024-11-27 23:28:12,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206493131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:12,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:12,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:28:12,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657678430] [2024-11-27 23:28:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:12,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:28:12,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:12,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:28:12,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:28:13,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 589 [2024-11-27 23:28:13,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 545 transitions, 1560 flow. Second operand has 6 states, 6 states have (on average 540.8333333333334) internal successors, (3245), 6 states have internal predecessors, (3245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:13,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:13,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 589 [2024-11-27 23:28:13,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:15,890 INFO L124 PetriNetUnfolderBase]: 413/7689 cut-off events. [2024-11-27 23:28:15,890 INFO L125 PetriNetUnfolderBase]: For 651/741 co-relation queries the response was YES. [2024-11-27 23:28:16,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9999 conditions, 7689 events. 413/7689 cut-off events. For 651/741 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 77223 event pairs, 62 based on Foata normal form. 16/7268 useless extension candidates. Maximal degree in co-relation 9420. Up to 276 conditions per place. [2024-11-27 23:28:16,028 INFO L140 encePairwiseOnDemand]: 583/589 looper letters, 29 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2024-11-27 23:28:16,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1652 flow [2024-11-27 23:28:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:28:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:28:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3257 transitions. [2024-11-27 23:28:16,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9216185625353707 [2024-11-27 23:28:16,032 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1560 flow. Second operand 6 states and 3257 transitions. [2024-11-27 23:28:16,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1652 flow [2024-11-27 23:28:16,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 552 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:28:16,043 INFO L231 Difference]: Finished difference. Result has 543 places, 544 transitions, 1558 flow [2024-11-27 23:28:16,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1558, PETRI_PLACES=543, PETRI_TRANSITIONS=544} [2024-11-27 23:28:16,044 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -2 predicate places. [2024-11-27 23:28:16,044 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 544 transitions, 1558 flow [2024-11-27 23:28:16,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 540.8333333333334) internal successors, (3245), 6 states have internal predecessors, (3245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:16,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:16,046 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:16,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 23:28:16,046 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:16,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:16,049 INFO L85 PathProgramCache]: Analyzing trace with hash -265306565, now seen corresponding path program 1 times [2024-11-27 23:28:16,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:16,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625913415] [2024-11-27 23:28:16,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:16,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-27 23:28:16,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625913415] [2024-11-27 23:28:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625913415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:16,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:16,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:28:16,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62020049] [2024-11-27 23:28:16,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:16,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:16,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:16,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:16,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:16,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 589 [2024-11-27 23:28:16,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 544 transitions, 1558 flow. Second operand has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:16,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:16,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 589 [2024-11-27 23:28:16,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:18,338 INFO L124 PetriNetUnfolderBase]: 180/7839 cut-off events. [2024-11-27 23:28:18,338 INFO L125 PetriNetUnfolderBase]: For 322/508 co-relation queries the response was YES. [2024-11-27 23:28:18,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9862 conditions, 7839 events. 180/7839 cut-off events. For 322/508 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 71590 event pairs, 69 based on Foata normal form. 6/7496 useless extension candidates. Maximal degree in co-relation 9594. Up to 166 conditions per place. [2024-11-27 23:28:18,483 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 14 selfloop transitions, 3 changer transitions 0/545 dead transitions. [2024-11-27 23:28:18,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1596 flow [2024-11-27 23:28:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:28:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1663 transitions. [2024-11-27 23:28:18,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411431805319751 [2024-11-27 23:28:18,485 INFO L175 Difference]: Start difference. First operand has 543 places, 544 transitions, 1558 flow. Second operand 3 states and 1663 transitions. [2024-11-27 23:28:18,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1596 flow [2024-11-27 23:28:18,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1584 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:28:18,494 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1550 flow [2024-11-27 23:28:18,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1544, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1550, PETRI_PLACES=539, PETRI_TRANSITIONS=543} [2024-11-27 23:28:18,495 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -6 predicate places. [2024-11-27 23:28:18,495 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1550 flow [2024-11-27 23:28:18,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:18,495 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:18,496 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:18,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 23:28:18,496 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:18,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:18,497 INFO L85 PathProgramCache]: Analyzing trace with hash -40443127, now seen corresponding path program 1 times [2024-11-27 23:28:18,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:18,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877215048] [2024-11-27 23:28:18,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:18,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-11-27 23:28:18,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:18,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877215048] [2024-11-27 23:28:18,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877215048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:18,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:18,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:28:18,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573582644] [2024-11-27 23:28:18,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:18,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:18,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:18,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:18,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:18,691 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:28:18,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 543 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:18,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:18,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:28:18,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:21,454 INFO L124 PetriNetUnfolderBase]: 468/9815 cut-off events. [2024-11-27 23:28:21,455 INFO L125 PetriNetUnfolderBase]: For 574/648 co-relation queries the response was YES. [2024-11-27 23:28:21,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12366 conditions, 9815 events. 468/9815 cut-off events. For 574/648 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 99155 event pairs, 177 based on Foata normal form. 0/9279 useless extension candidates. Maximal degree in co-relation 11848. Up to 516 conditions per place. [2024-11-27 23:28:21,627 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 14 selfloop transitions, 3 changer transitions 0/544 dead transitions. [2024-11-27 23:28:21,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1588 flow [2024-11-27 23:28:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:28:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1660 transitions. [2024-11-27 23:28:21,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394453876627051 [2024-11-27 23:28:21,630 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1550 flow. Second operand 3 states and 1660 transitions. [2024-11-27 23:28:21,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1588 flow [2024-11-27 23:28:21,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:28:21,639 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1548 flow [2024-11-27 23:28:21,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1548, PETRI_PLACES=538, PETRI_TRANSITIONS=542} [2024-11-27 23:28:21,640 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -7 predicate places. [2024-11-27 23:28:21,640 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1548 flow [2024-11-27 23:28:21,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:21,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:28:21,641 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:21,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-27 23:28:21,641 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:28:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:21,646 INFO L85 PathProgramCache]: Analyzing trace with hash 561281332, now seen corresponding path program 1 times [2024-11-27 23:28:21,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:28:21,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20370599] [2024-11-27 23:28:21,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:21,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-27 23:28:21,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:21,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20370599] [2024-11-27 23:28:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20370599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:28:21,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:28:21,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:28:21,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698408515] [2024-11-27 23:28:21,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:21,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:28:21,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:21,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:28:21,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:28:21,845 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 589 [2024-11-27 23:28:21,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 542 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:21,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:28:21,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 589 [2024-11-27 23:28:21,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:28:24,227 INFO L124 PetriNetUnfolderBase]: 493/7668 cut-off events. [2024-11-27 23:28:24,227 INFO L125 PetriNetUnfolderBase]: For 731/777 co-relation queries the response was YES. [2024-11-27 23:28:24,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10078 conditions, 7668 events. 493/7668 cut-off events. For 731/777 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 78968 event pairs, 260 based on Foata normal form. 0/7276 useless extension candidates. Maximal degree in co-relation 9560. Up to 746 conditions per place. [2024-11-27 23:28:24,315 INFO L140 encePairwiseOnDemand]: 586/589 looper letters, 0 selfloop transitions, 0 changer transitions 543/543 dead transitions. [2024-11-27 23:28:24,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1586 flow [2024-11-27 23:28:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:28:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:28:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1660 transitions. [2024-11-27 23:28:24,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9394453876627051 [2024-11-27 23:28:24,318 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1548 flow. Second operand 3 states and 1660 transitions. [2024-11-27 23:28:24,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1586 flow [2024-11-27 23:28:24,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:28:24,324 INFO L231 Difference]: Finished difference. Result has 537 places, 0 transitions, 0 flow [2024-11-27 23:28:24,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=589, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=537, PETRI_TRANSITIONS=0} [2024-11-27 23:28:24,325 INFO L279 CegarLoopForPetriNet]: 545 programPoint places, -8 predicate places. [2024-11-27 23:28:24,325 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 0 transitions, 0 flow [2024-11-27 23:28:24,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:28:24,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2024-11-27 23:28:24,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2024-11-27 23:28:24,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2024-11-27 23:28:24,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2024-11-27 23:28:24,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2024-11-27 23:28:24,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2024-11-27 23:28:24,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2024-11-27 23:28:24,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2024-11-27 23:28:24,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2024-11-27 23:28:24,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2024-11-27 23:28:24,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2024-11-27 23:28:24,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2024-11-27 23:28:24,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2024-11-27 23:28:24,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2024-11-27 23:28:24,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2024-11-27 23:28:24,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2024-11-27 23:28:24,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2024-11-27 23:28:24,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-27 23:28:24,337 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:24,344 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:28:24,344 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:28:24,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:28:24 BasicIcfg [2024-11-27 23:28:24,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:28:24,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:28:24,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:28:24,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:28:24,353 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:27:12" (3/4) ... [2024-11-27 23:28:24,356 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:28:24,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 23:28:24,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 23:28:24,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 23:28:24,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-27 23:28:24,369 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 23:28:24,369 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:28:24,370 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:28:24,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:28:24,464 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:28:24,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:28:24,465 INFO L158 Benchmark]: Toolchain (without parser) took 74040.24ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 117.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 764.5MB. Max. memory is 16.1GB. [2024-11-27 23:28:24,465 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:24,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.97ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:28:24,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.45ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:24,466 INFO L158 Benchmark]: Boogie Preprocessor took 81.80ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:28:24,467 INFO L158 Benchmark]: RCFGBuilder took 1165.51ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 58.2MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 23:28:24,467 INFO L158 Benchmark]: TraceAbstraction took 72165.50ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 57.6MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-27 23:28:24,467 INFO L158 Benchmark]: Witness Printer took 112.08ms. Allocated memory is still 2.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:28:24,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.97ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.45ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.80ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1165.51ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 58.2MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 72165.50ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 57.6MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 112.08ms. Allocated memory is still 2.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 54]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 82]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: 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: 121]: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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 7 procedures, 857 locations, 83 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: 71.8s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 58.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3951 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2599 mSDsluCounter, 1280 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1104 mSDsCounter, 730 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6692 IncrementalHoareTripleChecker+Invalid, 7422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 730 mSolverCounterUnsat, 176 mSDtfsCounter, 6692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1078 SyntacticMatches, 5 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1632occurred in iteration=24, InterpolantAutomatonStates: 162, 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: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 10417 NumberOfCodeBlocks, 10057 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 10904 ConstructedInterpolants, 0 QuantifiedInterpolants, 12966 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 41 InterpolantComputations, 35 PerfectInterpolantSequences, 7216/7363 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:28:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519875aa-ca50-4ced-90aa-3a0dad159cd4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE