./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-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_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/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_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/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_0f820fb5-ffe3-474b-88df-df1f99e771fd/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 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:37,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:37,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:50:37,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:37,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:37,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:37,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:37,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:37,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:37,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:37,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:37,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:37,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:37,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:37,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:37,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:37,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:37,200 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:50:37,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:37,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:37,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:37,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:37,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:37,201 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:37,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:37,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:37,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:37,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:37,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:37,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:37,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:37,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:37,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:37,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:37,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:37,204 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_0f820fb5-ffe3-474b-88df-df1f99e771fd/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 -> 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d [2024-11-27 19:50:37,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:37,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:37,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:37,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:37,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:37,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-27 19:50:40,616 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/data/9b428a9f4/bc42f22e2344428f85736a5eb560a098/FLAGe5084bd5f [2024-11-27 19:50:41,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:41,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-27 19:50:41,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/data/9b428a9f4/bc42f22e2344428f85736a5eb560a098/FLAGe5084bd5f [2024-11-27 19:50:41,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/data/9b428a9f4/bc42f22e2344428f85736a5eb560a098 [2024-11-27 19:50:41,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:41,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:41,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:41,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:41,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:41,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9b9c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41, skipping insertion in model container [2024-11-27 19:50:41,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:41,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:41,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:41,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:41,527 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:41,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41 WrapperNode [2024-11-27 19:50:41,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:41,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:41,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:41,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:41,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,585 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 844 [2024-11-27 19:50:41,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:41,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:41,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:41,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:41,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:41,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:41,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:41,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:41,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (1/1) ... [2024-11-27 19:50:41,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:41,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:41,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f820fb5-ffe3-474b-88df-df1f99e771fd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 19:50:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 19:50:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 19:50:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 19:50:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 19:50:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 19:50:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 19:50:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:50:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 19:50:41,718 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 19:50:41,914 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:41,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:43,247 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:50:43,247 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:43,293 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:43,294 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 19:50:43,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:43 BoogieIcfgContainer [2024-11-27 19:50:43,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:43,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:43,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:43,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:43,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:41" (1/3) ... [2024-11-27 19:50:43,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fdf3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:43, skipping insertion in model container [2024-11-27 19:50:43,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:41" (2/3) ... [2024-11-27 19:50:43,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fdf3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:43, skipping insertion in model container [2024-11-27 19:50:43,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:43" (3/3) ... [2024-11-27 19:50:43,308 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-subst.wvr.c [2024-11-27 19:50:43,324 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:43,325 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-name-comparator-subst.wvr.c that has 4 procedures, 1055 locations, 1 initial locations, 4 loop locations, and 151 error locations. [2024-11-27 19:50:43,326 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:50:43,597 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 19:50:43,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-27 19:50:44,690 INFO L124 PetriNetUnfolderBase]: 58/1109 cut-off events. [2024-11-27 19:50:44,695 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 19:50:44,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 1109 events. 58/1109 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3829 event pairs, 0 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-27 19:50:44,766 INFO L82 GeneralOperation]: Start removeDead. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-27 19:50:44,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1041 places, 1086 transitions, 2190 flow [2024-11-27 19:50:44,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:44,925 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;@cf7a8d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:44,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 283 error locations. [2024-11-27 19:50:44,933 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:50:44,934 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-27 19:50:44,934 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:44,934 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:44,934 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] [2024-11-27 19:50:44,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:44,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash -363044075, now seen corresponding path program 1 times [2024-11-27 19:50:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:44,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975409460] [2024-11-27 19:50:44,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:44,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:45,161 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 19:50:45,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975409460] [2024-11-27 19:50:45,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975409460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:45,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:45,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:45,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337098119] [2024-11-27 19:50:45,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:45,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:45,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:45,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:45,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:45,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:50:45,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:45,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:45,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:50:45,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:50,263 INFO L124 PetriNetUnfolderBase]: 612/12182 cut-off events. [2024-11-27 19:50:50,264 INFO L125 PetriNetUnfolderBase]: For 67/85 co-relation queries the response was YES. [2024-11-27 19:50:50,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12467 conditions, 12182 events. 612/12182 cut-off events. For 67/85 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 122944 event pairs, 95 based on Foata normal form. 282/9859 useless extension candidates. Maximal degree in co-relation 12186. Up to 185 conditions per place. [2024-11-27 19:50:50,588 INFO L140 encePairwiseOnDemand]: 1091/1112 looper letters, 19 selfloop transitions, 2 changer transitions 2/1067 dead transitions. [2024-11-27 19:50:50,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1042 places, 1067 transitions, 2194 flow [2024-11-27 19:50:50,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-27 19:50:50,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9733213429256595 [2024-11-27 19:50:50,622 INFO L175 Difference]: Start difference. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand 3 states and 3247 transitions. [2024-11-27 19:50:50,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1042 places, 1067 transitions, 2194 flow [2024-11-27 19:50:50,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1036 places, 1067 transitions, 2182 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 19:50:50,661 INFO L231 Difference]: Finished difference. Result has 1036 places, 1065 transitions, 2140 flow [2024-11-27 19:50:50,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=1034, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2140, PETRI_PLACES=1036, PETRI_TRANSITIONS=1065} [2024-11-27 19:50:50,670 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -5 predicate places. [2024-11-27 19:50:50,671 INFO L471 AbstractCegarLoop]: Abstraction has has 1036 places, 1065 transitions, 2140 flow [2024-11-27 19:50:50,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:50,674 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:50,674 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] [2024-11-27 19:50:50,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:50:50,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:50,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:50,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1250184811, now seen corresponding path program 1 times [2024-11-27 19:50:50,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:50,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90258345] [2024-11-27 19:50:50,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:50,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:50,783 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 19:50:50,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:50,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90258345] [2024-11-27 19:50:50,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90258345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:50,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:50,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:50,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672453370] [2024-11-27 19:50:50,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:50,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:50,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:50,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:50,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:50,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:50:50,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:50,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:50,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:50:50,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:52,875 INFO L124 PetriNetUnfolderBase]: 226/4392 cut-off events. [2024-11-27 19:50:52,876 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-27 19:50:52,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 4392 events. 226/4392 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32866 event pairs, 45 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4480. Up to 110 conditions per place. [2024-11-27 19:50:53,003 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1064 dead transitions. [2024-11-27 19:50:53,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1035 places, 1064 transitions, 2180 flow [2024-11-27 19:50:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-27 19:50:53,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-27 19:50:53,012 INFO L175 Difference]: Start difference. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand 3 states and 3229 transitions. [2024-11-27 19:50:53,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1035 places, 1064 transitions, 2180 flow [2024-11-27 19:50:53,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1033 places, 1064 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:53,032 INFO L231 Difference]: Finished difference. Result has 1033 places, 1064 transitions, 2138 flow [2024-11-27 19:50:53,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=1031, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2138, PETRI_PLACES=1033, PETRI_TRANSITIONS=1064} [2024-11-27 19:50:53,034 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -8 predicate places. [2024-11-27 19:50:53,035 INFO L471 AbstractCegarLoop]: Abstraction has has 1033 places, 1064 transitions, 2138 flow [2024-11-27 19:50:53,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:53,037 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:53,038 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] [2024-11-27 19:50:53,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:50:53,038 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:53,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:53,039 INFO L85 PathProgramCache]: Analyzing trace with hash -791742810, now seen corresponding path program 1 times [2024-11-27 19:50:53,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:53,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291431535] [2024-11-27 19:50:53,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:53,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:53,128 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 19:50:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291431535] [2024-11-27 19:50:53,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291431535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:53,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:53,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440707062] [2024-11-27 19:50:53,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:53,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:53,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:53,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:53,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:53,256 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:50:53,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:53,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:53,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:50:53,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:55,200 INFO L124 PetriNetUnfolderBase]: 240/3577 cut-off events. [2024-11-27 19:50:55,200 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-27 19:50:55,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 3577 events. 240/3577 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27398 event pairs, 95 based on Foata normal form. 0/2835 useless extension candidates. Maximal degree in co-relation 3727. Up to 185 conditions per place. [2024-11-27 19:50:55,302 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1063 dead transitions. [2024-11-27 19:50:55,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1063 transitions, 2178 flow [2024-11-27 19:50:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-27 19:50:55,311 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-27 19:50:55,311 INFO L175 Difference]: Start difference. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand 3 states and 3229 transitions. [2024-11-27 19:50:55,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1063 transitions, 2178 flow [2024-11-27 19:50:55,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:55,333 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-27 19:50:55,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-27 19:50:55,336 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -9 predicate places. [2024-11-27 19:50:55,336 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-27 19:50:55,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:50:55,338 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:55,339 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] [2024-11-27 19:50:55,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:50:55,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:55,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1232912377, now seen corresponding path program 1 times [2024-11-27 19:50:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228849729] [2024-11-27 19:50:55,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:55,401 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 19:50:55,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:55,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228849729] [2024-11-27 19:50:55,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228849729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:55,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:55,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:55,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638562118] [2024-11-27 19:50:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:55,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:55,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:55,472 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1112 [2024-11-27 19:50:55,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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 19:50:55,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:55,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1112 [2024-11-27 19:50:55,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:57,668 INFO L124 PetriNetUnfolderBase]: 245/5502 cut-off events. [2024-11-27 19:50:57,669 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 19:50:57,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5578 conditions, 5502 events. 245/5502 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 43690 event pairs, 16 based on Foata normal form. 0/4349 useless extension candidates. Maximal degree in co-relation 5521. Up to 51 conditions per place. [2024-11-27 19:50:57,797 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 18 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-27 19:50:57,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1033 places, 1062 transitions, 2174 flow [2024-11-27 19:50:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-27 19:50:57,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-27 19:50:57,803 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3231 transitions. [2024-11-27 19:50:57,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1033 places, 1062 transitions, 2174 flow [2024-11-27 19:50:57,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1062 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:57,819 INFO L231 Difference]: Finished difference. Result has 1031 places, 1062 transitions, 2134 flow [2024-11-27 19:50:57,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1031, PETRI_TRANSITIONS=1062} [2024-11-27 19:50:57,821 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -10 predicate places. [2024-11-27 19:50:57,821 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1062 transitions, 2134 flow [2024-11-27 19:50:57,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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 19:50:57,823 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:57,824 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] [2024-11-27 19:50:57,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:50:57,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:57,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -874190496, now seen corresponding path program 1 times [2024-11-27 19:50:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:57,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526714674] [2024-11-27 19:50:57,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:57,877 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 19:50:57,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:57,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526714674] [2024-11-27 19:50:57,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526714674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:57,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:57,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:57,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850792359] [2024-11-27 19:50:57,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:57,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:57,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:57,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:57,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:57,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-27 19:50:57,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:50:57,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:57,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-27 19:50:57,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:58,648 INFO L124 PetriNetUnfolderBase]: 73/1611 cut-off events. [2024-11-27 19:50:58,649 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:50:58,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1611 events. 73/1611 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8191 event pairs, 12 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1607. Up to 40 conditions per place. [2024-11-27 19:50:58,683 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-27 19:50:58,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1061 transitions, 2166 flow [2024-11-27 19:50:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-27 19:50:58,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-27 19:50:58,689 INFO L175 Difference]: Start difference. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand 3 states and 3237 transitions. [2024-11-27 19:50:58,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1061 transitions, 2166 flow [2024-11-27 19:50:58,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1061 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:58,705 INFO L231 Difference]: Finished difference. Result has 1030 places, 1061 transitions, 2132 flow [2024-11-27 19:50:58,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1030, PETRI_TRANSITIONS=1061} [2024-11-27 19:50:58,707 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -11 predicate places. [2024-11-27 19:50:58,707 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1061 transitions, 2132 flow [2024-11-27 19:50:58,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:50:58,709 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:58,709 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] [2024-11-27 19:50:58,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:50:58,711 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:50:58,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1760837202, now seen corresponding path program 1 times [2024-11-27 19:50:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589219213] [2024-11-27 19:50:58,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:58,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:58,814 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 19:50:58,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:58,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589219213] [2024-11-27 19:50:58,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589219213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:58,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:58,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:58,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085580489] [2024-11-27 19:50:58,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:58,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:58,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:58,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:58,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-27 19:50:58,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:50:58,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:58,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-27 19:50:58,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:00,205 INFO L124 PetriNetUnfolderBase]: 167/3835 cut-off events. [2024-11-27 19:51:00,205 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-27 19:51:00,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3835 events. 167/3835 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 26003 event pairs, 10 based on Foata normal form. 0/3045 useless extension candidates. Maximal degree in co-relation 3816. Up to 35 conditions per place. [2024-11-27 19:51:00,317 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-27 19:51:00,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1060 transitions, 2162 flow [2024-11-27 19:51:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-27 19:51:00,322 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-27 19:51:00,322 INFO L175 Difference]: Start difference. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand 3 states and 3239 transitions. [2024-11-27 19:51:00,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1060 transitions, 2162 flow [2024-11-27 19:51:00,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1060 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:00,335 INFO L231 Difference]: Finished difference. Result has 1029 places, 1060 transitions, 2130 flow [2024-11-27 19:51:00,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1029, PETRI_TRANSITIONS=1060} [2024-11-27 19:51:00,336 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -12 predicate places. [2024-11-27 19:51:00,337 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1060 transitions, 2130 flow [2024-11-27 19:51:00,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:51:00,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:00,339 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] [2024-11-27 19:51:00,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:51:00,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:00,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash -402132468, now seen corresponding path program 1 times [2024-11-27 19:51:00,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:00,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586192827] [2024-11-27 19:51:00,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:00,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:00,409 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 19:51:00,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:00,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586192827] [2024-11-27 19:51:00,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586192827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:00,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:00,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:00,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7177063] [2024-11-27 19:51:00,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:00,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:00,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:00,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:00,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:00,505 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-27 19:51:00,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:00,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:00,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-27 19:51:00,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:03,364 INFO L124 PetriNetUnfolderBase]: 349/7719 cut-off events. [2024-11-27 19:51:03,364 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-27 19:51:03,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7822 conditions, 7719 events. 349/7719 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68322 event pairs, 24 based on Foata normal form. 0/6095 useless extension candidates. Maximal degree in co-relation 7741. Up to 70 conditions per place. [2024-11-27 19:51:03,715 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-27 19:51:03,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1059 transitions, 2174 flow [2024-11-27 19:51:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-27 19:51:03,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-27 19:51:03,722 INFO L175 Difference]: Start difference. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand 3 states and 3225 transitions. [2024-11-27 19:51:03,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1059 transitions, 2174 flow [2024-11-27 19:51:03,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1059 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:03,745 INFO L231 Difference]: Finished difference. Result has 1028 places, 1059 transitions, 2128 flow [2024-11-27 19:51:03,747 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1028, PETRI_TRANSITIONS=1059} [2024-11-27 19:51:03,748 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -13 predicate places. [2024-11-27 19:51:03,748 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1059 transitions, 2128 flow [2024-11-27 19:51:03,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:03,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:03,751 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] [2024-11-27 19:51:03,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:51:03,751 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:03,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:03,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2001063173, now seen corresponding path program 1 times [2024-11-27 19:51:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054524901] [2024-11-27 19:51:03,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:03,818 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 19:51:03,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:03,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054524901] [2024-11-27 19:51:03,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054524901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:03,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:03,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:03,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23072033] [2024-11-27 19:51:03,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:03,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:03,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:03,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:03,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:03,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:51:03,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:51:03,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:03,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:51:03,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:05,578 INFO L124 PetriNetUnfolderBase]: 149/3282 cut-off events. [2024-11-27 19:51:05,578 INFO L125 PetriNetUnfolderBase]: For 9/33 co-relation queries the response was YES. [2024-11-27 19:51:05,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 3282 events. 149/3282 cut-off events. For 9/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21540 event pairs, 16 based on Foata normal form. 0/2610 useless extension candidates. Maximal degree in co-relation 3262. Up to 52 conditions per place. [2024-11-27 19:51:05,761 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-27 19:51:05,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1058 transitions, 2168 flow [2024-11-27 19:51:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-27 19:51:05,768 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-27 19:51:05,768 INFO L175 Difference]: Start difference. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand 3 states and 3229 transitions. [2024-11-27 19:51:05,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1058 transitions, 2168 flow [2024-11-27 19:51:05,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1058 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:05,796 INFO L231 Difference]: Finished difference. Result has 1027 places, 1058 transitions, 2126 flow [2024-11-27 19:51:05,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1027, PETRI_TRANSITIONS=1058} [2024-11-27 19:51:05,802 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -14 predicate places. [2024-11-27 19:51:05,802 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1058 transitions, 2126 flow [2024-11-27 19:51:05,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:51:05,808 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:05,809 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] [2024-11-27 19:51:05,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:51:05,809 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:05,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:05,811 INFO L85 PathProgramCache]: Analyzing trace with hash -574454915, now seen corresponding path program 1 times [2024-11-27 19:51:05,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:05,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954339288] [2024-11-27 19:51:05,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:05,897 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 19:51:05,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:05,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954339288] [2024-11-27 19:51:05,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954339288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:05,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:05,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:05,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787247283] [2024-11-27 19:51:05,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:05,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:05,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:05,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:05,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:05,970 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-27 19:51:05,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:51:05,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:05,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-27 19:51:05,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:06,738 INFO L124 PetriNetUnfolderBase]: 73/1607 cut-off events. [2024-11-27 19:51:06,738 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-27 19:51:06,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1607 events. 73/1607 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7769 event pairs, 12 based on Foata normal form. 0/1294 useless extension candidates. Maximal degree in co-relation 1565. Up to 40 conditions per place. [2024-11-27 19:51:06,804 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-27 19:51:06,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1057 transitions, 2158 flow [2024-11-27 19:51:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-27 19:51:06,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-27 19:51:06,809 INFO L175 Difference]: Start difference. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand 3 states and 3237 transitions. [2024-11-27 19:51:06,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1057 transitions, 2158 flow [2024-11-27 19:51:06,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:06,830 INFO L231 Difference]: Finished difference. Result has 1026 places, 1057 transitions, 2124 flow [2024-11-27 19:51:06,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1026, PETRI_TRANSITIONS=1057} [2024-11-27 19:51:06,833 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -15 predicate places. [2024-11-27 19:51:06,833 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1057 transitions, 2124 flow [2024-11-27 19:51:06,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:51:06,835 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:06,835 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] [2024-11-27 19:51:06,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:51:06,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:06,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:06,836 INFO L85 PathProgramCache]: Analyzing trace with hash -193584777, now seen corresponding path program 1 times [2024-11-27 19:51:06,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:06,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929794277] [2024-11-27 19:51:06,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:06,938 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 19:51:06,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:06,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929794277] [2024-11-27 19:51:06,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929794277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:06,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:06,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:06,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522313426] [2024-11-27 19:51:06,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:06,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:06,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:06,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:06,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:06,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-27 19:51:06,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:51:06,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:06,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-27 19:51:06,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:08,315 INFO L124 PetriNetUnfolderBase]: 107/2446 cut-off events. [2024-11-27 19:51:08,315 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-27 19:51:08,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2446 events. 107/2446 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13653 event pairs, 10 based on Foata normal form. 0/1958 useless extension candidates. Maximal degree in co-relation 2390. Up to 35 conditions per place. [2024-11-27 19:51:08,456 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-27 19:51:08,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1056 transitions, 2154 flow [2024-11-27 19:51:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-27 19:51:08,463 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-27 19:51:08,463 INFO L175 Difference]: Start difference. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand 3 states and 3239 transitions. [2024-11-27 19:51:08,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1056 transitions, 2154 flow [2024-11-27 19:51:08,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:08,480 INFO L231 Difference]: Finished difference. Result has 1025 places, 1056 transitions, 2122 flow [2024-11-27 19:51:08,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1025, PETRI_TRANSITIONS=1056} [2024-11-27 19:51:08,482 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -16 predicate places. [2024-11-27 19:51:08,482 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1056 transitions, 2122 flow [2024-11-27 19:51:08,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:51:08,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:08,486 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] [2024-11-27 19:51:08,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:51:08,486 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:08,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:08,487 INFO L85 PathProgramCache]: Analyzing trace with hash -67509746, now seen corresponding path program 1 times [2024-11-27 19:51:08,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:08,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913628132] [2024-11-27 19:51:08,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:08,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:08,581 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 19:51:08,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:08,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913628132] [2024-11-27 19:51:08,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913628132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:08,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:08,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:08,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342849955] [2024-11-27 19:51:08,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:08,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:08,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:08,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:08,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:08,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-27 19:51:08,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:08,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:08,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-27 19:51:08,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:11,069 INFO L124 PetriNetUnfolderBase]: 205/4391 cut-off events. [2024-11-27 19:51:11,069 INFO L125 PetriNetUnfolderBase]: For 13/111 co-relation queries the response was YES. [2024-11-27 19:51:11,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 4391 events. 205/4391 cut-off events. For 13/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32423 event pairs, 24 based on Foata normal form. 0/3479 useless extension candidates. Maximal degree in co-relation 4369. Up to 70 conditions per place. [2024-11-27 19:51:11,322 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-27 19:51:11,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1055 transitions, 2166 flow [2024-11-27 19:51:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-27 19:51:11,327 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-27 19:51:11,327 INFO L175 Difference]: Start difference. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand 3 states and 3225 transitions. [2024-11-27 19:51:11,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1055 transitions, 2166 flow [2024-11-27 19:51:11,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:11,338 INFO L231 Difference]: Finished difference. Result has 1024 places, 1055 transitions, 2120 flow [2024-11-27 19:51:11,339 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1024, PETRI_TRANSITIONS=1055} [2024-11-27 19:51:11,340 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -17 predicate places. [2024-11-27 19:51:11,340 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1055 transitions, 2120 flow [2024-11-27 19:51:11,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:11,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:11,341 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] [2024-11-27 19:51:11,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:51:11,342 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:11,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:11,342 INFO L85 PathProgramCache]: Analyzing trace with hash 414751687, now seen corresponding path program 1 times [2024-11-27 19:51:11,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:11,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601536732] [2024-11-27 19:51:11,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:11,397 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 19:51:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:11,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601536732] [2024-11-27 19:51:11,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601536732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:11,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:11,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:11,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003951979] [2024-11-27 19:51:11,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:11,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:11,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:11,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:11,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:11,477 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:51:11,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:51:11,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:11,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:51:11,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:11,868 INFO L124 PetriNetUnfolderBase]: 77/1572 cut-off events. [2024-11-27 19:51:11,868 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-27 19:51:11,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 1572 events. 77/1572 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7466 event pairs, 16 based on Foata normal form. 0/1275 useless extension candidates. Maximal degree in co-relation 1514. Up to 54 conditions per place. [2024-11-27 19:51:11,908 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-27 19:51:11,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1054 transitions, 2160 flow [2024-11-27 19:51:11,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-27 19:51:11,915 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-27 19:51:11,915 INFO L175 Difference]: Start difference. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand 3 states and 3229 transitions. [2024-11-27 19:51:11,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1054 transitions, 2160 flow [2024-11-27 19:51:11,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1054 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:11,923 INFO L231 Difference]: Finished difference. Result has 1023 places, 1054 transitions, 2118 flow [2024-11-27 19:51:11,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1054} [2024-11-27 19:51:11,924 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -18 predicate places. [2024-11-27 19:51:11,924 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1054 transitions, 2118 flow [2024-11-27 19:51:11,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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 19:51:11,925 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:11,925 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] [2024-11-27 19:51:11,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:51:11,925 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:11,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash -440759441, now seen corresponding path program 1 times [2024-11-27 19:51:11,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:11,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126117597] [2024-11-27 19:51:11,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:51:11,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:11,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126117597] [2024-11-27 19:51:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126117597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:11,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:11,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786379036] [2024-11-27 19:51:11,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:11,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:11,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:11,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:11,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:12,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-27 19:51:12,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:51:12,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:12,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-27 19:51:12,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:12,635 INFO L124 PetriNetUnfolderBase]: 73/1603 cut-off events. [2024-11-27 19:51:12,635 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-27 19:51:12,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1603 events. 73/1603 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7305 event pairs, 12 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1523. Up to 40 conditions per place. [2024-11-27 19:51:12,738 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-27 19:51:12,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1053 transitions, 2150 flow [2024-11-27 19:51:12,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-27 19:51:12,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-27 19:51:12,745 INFO L175 Difference]: Start difference. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand 3 states and 3237 transitions. [2024-11-27 19:51:12,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1053 transitions, 2150 flow [2024-11-27 19:51:12,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:12,764 INFO L231 Difference]: Finished difference. Result has 1022 places, 1053 transitions, 2116 flow [2024-11-27 19:51:12,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1053} [2024-11-27 19:51:12,767 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-27 19:51:12,768 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1053 transitions, 2116 flow [2024-11-27 19:51:12,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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 19:51:12,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:12,770 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] [2024-11-27 19:51:12,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 19:51:12,771 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:12,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:12,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1823834503, now seen corresponding path program 1 times [2024-11-27 19:51:12,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:12,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480097473] [2024-11-27 19:51:12,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:12,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:12,866 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 19:51:12,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:12,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480097473] [2024-11-27 19:51:12,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480097473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:12,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:12,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:12,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116251655] [2024-11-27 19:51:12,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:12,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:12,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:12,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:12,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:12,915 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-27 19:51:12,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:51:12,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:12,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-27 19:51:12,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:13,512 INFO L124 PetriNetUnfolderBase]: 47/1072 cut-off events. [2024-11-27 19:51:13,512 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-27 19:51:13,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1072 events. 47/1072 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4401 event pairs, 10 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 979. Up to 35 conditions per place. [2024-11-27 19:51:13,572 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-27 19:51:13,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1052 transitions, 2146 flow [2024-11-27 19:51:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-27 19:51:13,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-27 19:51:13,578 INFO L175 Difference]: Start difference. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand 3 states and 3239 transitions. [2024-11-27 19:51:13,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1052 transitions, 2146 flow [2024-11-27 19:51:13,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:13,594 INFO L231 Difference]: Finished difference. Result has 1021 places, 1052 transitions, 2114 flow [2024-11-27 19:51:13,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1052} [2024-11-27 19:51:13,596 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-27 19:51:13,596 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1052 transitions, 2114 flow [2024-11-27 19:51:13,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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 19:51:13,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:13,598 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] [2024-11-27 19:51:13,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:51:13,598 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:13,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:13,599 INFO L85 PathProgramCache]: Analyzing trace with hash 532073289, now seen corresponding path program 1 times [2024-11-27 19:51:13,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:13,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284460158] [2024-11-27 19:51:13,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:13,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:13,648 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 19:51:13,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284460158] [2024-11-27 19:51:13,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284460158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:13,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:13,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:13,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807741997] [2024-11-27 19:51:13,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:13,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:13,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:13,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:13,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:13,715 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-27 19:51:13,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:13,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:13,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-27 19:51:13,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:14,408 INFO L124 PetriNetUnfolderBase]: 85/1601 cut-off events. [2024-11-27 19:51:14,408 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-27 19:51:14,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1601 events. 85/1601 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8357 event pairs, 24 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1535. Up to 70 conditions per place. [2024-11-27 19:51:14,500 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-27 19:51:14,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1051 transitions, 2158 flow [2024-11-27 19:51:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-27 19:51:14,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-27 19:51:14,506 INFO L175 Difference]: Start difference. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand 3 states and 3225 transitions. [2024-11-27 19:51:14,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1051 transitions, 2158 flow [2024-11-27 19:51:14,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:14,526 INFO L231 Difference]: Finished difference. Result has 1020 places, 1051 transitions, 2112 flow [2024-11-27 19:51:14,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1020, PETRI_TRANSITIONS=1051} [2024-11-27 19:51:14,529 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -21 predicate places. [2024-11-27 19:51:14,529 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1051 transitions, 2112 flow [2024-11-27 19:51:14,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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 19:51:14,530 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:14,531 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] [2024-11-27 19:51:14,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 19:51:14,531 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:14,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:14,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1109568430, now seen corresponding path program 1 times [2024-11-27 19:51:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:14,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996830591] [2024-11-27 19:51:14,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:15,652 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 19:51:15,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:15,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996830591] [2024-11-27 19:51:15,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996830591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:15,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:15,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:51:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383803794] [2024-11-27 19:51:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:15,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:51:15,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:15,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:51:15,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:51:15,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1112 [2024-11-27 19:51:15,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 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 19:51:15,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:15,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1112 [2024-11-27 19:51:15,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:20,106 INFO L124 PetriNetUnfolderBase]: 893/12791 cut-off events. [2024-11-27 19:51:20,106 INFO L125 PetriNetUnfolderBase]: For 59/69 co-relation queries the response was YES. [2024-11-27 19:51:20,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13411 conditions, 12791 events. 893/12791 cut-off events. For 59/69 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 132437 event pairs, 264 based on Foata normal form. 0/10061 useless extension candidates. Maximal degree in co-relation 13259. Up to 580 conditions per place. [2024-11-27 19:51:20,605 INFO L140 encePairwiseOnDemand]: 1106/1112 looper letters, 26 selfloop transitions, 5 changer transitions 0/1050 dead transitions. [2024-11-27 19:51:20,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1050 transitions, 2172 flow [2024-11-27 19:51:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:51:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:51:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6392 transitions. [2024-11-27 19:51:20,614 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9580335731414868 [2024-11-27 19:51:20,614 INFO L175 Difference]: Start difference. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand 6 states and 6392 transitions. [2024-11-27 19:51:20,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1050 transitions, 2172 flow [2024-11-27 19:51:20,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1050 transitions, 2168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:20,624 INFO L231 Difference]: Finished difference. Result has 1022 places, 1050 transitions, 2116 flow [2024-11-27 19:51:20,625 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1050} [2024-11-27 19:51:20,626 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-27 19:51:20,626 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1050 transitions, 2116 flow [2024-11-27 19:51:20,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 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 19:51:20,628 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:20,628 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] [2024-11-27 19:51:20,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 19:51:20,628 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:20,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash 973533647, now seen corresponding path program 1 times [2024-11-27 19:51:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083796437] [2024-11-27 19:51:20,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:20,700 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 19:51:20,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:20,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083796437] [2024-11-27 19:51:20,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083796437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:20,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:20,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:20,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589286919] [2024-11-27 19:51:20,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:20,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:20,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:20,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:20,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:20,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1112 [2024-11-27 19:51:20,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1050 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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 19:51:20,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:20,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1112 [2024-11-27 19:51:20,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:21,889 INFO L124 PetriNetUnfolderBase]: 121/2610 cut-off events. [2024-11-27 19:51:21,889 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-27 19:51:22,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 2610 events. 121/2610 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14440 event pairs, 15 based on Foata normal form. 0/2092 useless extension candidates. Maximal degree in co-relation 2651. Up to 43 conditions per place. [2024-11-27 19:51:22,053 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 12 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-27 19:51:22,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1049 transitions, 2142 flow [2024-11-27 19:51:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3243 transitions. [2024-11-27 19:51:22,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9721223021582733 [2024-11-27 19:51:22,060 INFO L175 Difference]: Start difference. First operand has 1022 places, 1050 transitions, 2116 flow. Second operand 3 states and 3243 transitions. [2024-11-27 19:51:22,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1049 transitions, 2142 flow [2024-11-27 19:51:22,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1049 transitions, 2132 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 19:51:22,077 INFO L231 Difference]: Finished difference. Result has 1018 places, 1049 transitions, 2108 flow [2024-11-27 19:51:22,079 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1018, PETRI_TRANSITIONS=1049} [2024-11-27 19:51:22,079 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -23 predicate places. [2024-11-27 19:51:22,080 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1049 transitions, 2108 flow [2024-11-27 19:51:22,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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 19:51:22,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:22,081 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] [2024-11-27 19:51:22,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 19:51:22,082 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:22,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:22,084 INFO L85 PathProgramCache]: Analyzing trace with hash 139454427, now seen corresponding path program 1 times [2024-11-27 19:51:22,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:22,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762864291] [2024-11-27 19:51:22,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:22,158 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 19:51:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762864291] [2024-11-27 19:51:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762864291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:22,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:22,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147201831] [2024-11-27 19:51:22,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:22,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:22,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:22,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:22,202 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-27 19:51:22,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 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 19:51:22,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:22,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-27 19:51:22,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:23,534 INFO L124 PetriNetUnfolderBase]: 163/3539 cut-off events. [2024-11-27 19:51:23,534 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-27 19:51:23,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3617 conditions, 3539 events. 163/3539 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22881 event pairs, 9 based on Foata normal form. 0/2821 useless extension candidates. Maximal degree in co-relation 3417. Up to 43 conditions per place. [2024-11-27 19:51:23,690 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-27 19:51:23,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1050 transitions, 2148 flow [2024-11-27 19:51:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-27 19:51:23,695 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-27 19:51:23,695 INFO L175 Difference]: Start difference. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand 3 states and 3244 transitions. [2024-11-27 19:51:23,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1050 transitions, 2148 flow [2024-11-27 19:51:23,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:23,704 INFO L231 Difference]: Finished difference. Result has 1017 places, 1048 transitions, 2106 flow [2024-11-27 19:51:23,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1017, PETRI_TRANSITIONS=1048} [2024-11-27 19:51:23,706 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -24 predicate places. [2024-11-27 19:51:23,706 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1048 transitions, 2106 flow [2024-11-27 19:51:23,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 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 19:51:23,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:23,707 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] [2024-11-27 19:51:23,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 19:51:23,708 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:23,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:23,708 INFO L85 PathProgramCache]: Analyzing trace with hash 71724745, now seen corresponding path program 1 times [2024-11-27 19:51:23,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:23,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298539954] [2024-11-27 19:51:23,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:23,771 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 19:51:23,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:23,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298539954] [2024-11-27 19:51:23,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298539954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:23,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76193065] [2024-11-27 19:51:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:23,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:23,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:23,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:23,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:23,847 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:51:23,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 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 19:51:23,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:23,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:51:23,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:24,645 INFO L124 PetriNetUnfolderBase]: 115/2154 cut-off events. [2024-11-27 19:51:24,645 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:51:24,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2274 conditions, 2154 events. 115/2154 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13244 event pairs, 26 based on Foata normal form. 0/1739 useless extension candidates. Maximal degree in co-relation 2062. Up to 73 conditions per place. [2024-11-27 19:51:24,720 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-27 19:51:24,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1018 places, 1049 transitions, 2158 flow [2024-11-27 19:51:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-27 19:51:24,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-27 19:51:24,724 INFO L175 Difference]: Start difference. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand 3 states and 3232 transitions. [2024-11-27 19:51:24,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1018 places, 1049 transitions, 2158 flow [2024-11-27 19:51:24,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1049 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:24,742 INFO L231 Difference]: Finished difference. Result has 1016 places, 1047 transitions, 2104 flow [2024-11-27 19:51:24,743 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2100, PETRI_DIFFERENCE_MINUEND_PLACES=1014, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1047, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=1016, PETRI_TRANSITIONS=1047} [2024-11-27 19:51:24,744 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -25 predicate places. [2024-11-27 19:51:24,744 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1047 transitions, 2104 flow [2024-11-27 19:51:24,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 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 19:51:24,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:24,746 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] [2024-11-27 19:51:24,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 19:51:24,746 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:24,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1241936034, now seen corresponding path program 1 times [2024-11-27 19:51:24,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:24,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784221274] [2024-11-27 19:51:24,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:24,804 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 19:51:24,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:24,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784221274] [2024-11-27 19:51:24,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784221274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:24,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:24,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:24,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136962571] [2024-11-27 19:51:24,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:24,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:24,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:24,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:24,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:24,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-27 19:51:24,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 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 19:51:24,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:24,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-27 19:51:24,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:25,577 INFO L124 PetriNetUnfolderBase]: 79/1602 cut-off events. [2024-11-27 19:51:25,577 INFO L125 PetriNetUnfolderBase]: For 11/20 co-relation queries the response was YES. [2024-11-27 19:51:25,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 1602 events. 79/1602 cut-off events. For 11/20 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7897 event pairs, 14 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 1454. Up to 43 conditions per place. [2024-11-27 19:51:25,646 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1048 dead transitions. [2024-11-27 19:51:25,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 1048 transitions, 2144 flow [2024-11-27 19:51:25,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-27 19:51:25,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-27 19:51:25,649 INFO L175 Difference]: Start difference. First operand has 1016 places, 1047 transitions, 2104 flow. Second operand 3 states and 3244 transitions. [2024-11-27 19:51:25,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1017 places, 1048 transitions, 2144 flow [2024-11-27 19:51:25,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1015 places, 1048 transitions, 2140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:25,660 INFO L231 Difference]: Finished difference. Result has 1015 places, 1046 transitions, 2102 flow [2024-11-27 19:51:25,661 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=1013, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2102, PETRI_PLACES=1015, PETRI_TRANSITIONS=1046} [2024-11-27 19:51:25,661 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -26 predicate places. [2024-11-27 19:51:25,662 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1046 transitions, 2102 flow [2024-11-27 19:51:25,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.0) internal successors, (3231), 3 states have internal predecessors, (3231), 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 19:51:25,663 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:25,663 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] [2024-11-27 19:51:25,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 19:51:25,663 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:25,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:25,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2139349600, now seen corresponding path program 1 times [2024-11-27 19:51:25,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:25,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776753496] [2024-11-27 19:51:25,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:25,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:25,724 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 19:51:25,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:25,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776753496] [2024-11-27 19:51:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776753496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:25,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:25,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:25,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720430541] [2024-11-27 19:51:25,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:25,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:25,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:25,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:25,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-27 19:51:25,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 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 19:51:25,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:25,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-27 19:51:25,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:29,459 INFO L124 PetriNetUnfolderBase]: 847/10614 cut-off events. [2024-11-27 19:51:29,459 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-27 19:51:29,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11414 conditions, 10614 events. 847/10614 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 103515 event pairs, 190 based on Foata normal form. 0/8479 useless extension candidates. Maximal degree in co-relation 10900. Up to 658 conditions per place. [2024-11-27 19:51:30,016 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1040 dead transitions. [2024-11-27 19:51:30,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1040 transitions, 2154 flow [2024-11-27 19:51:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-27 19:51:30,019 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-27 19:51:30,019 INFO L175 Difference]: Start difference. First operand has 1015 places, 1046 transitions, 2102 flow. Second operand 3 states and 3206 transitions. [2024-11-27 19:51:30,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1040 transitions, 2154 flow [2024-11-27 19:51:30,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1040 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:30,029 INFO L231 Difference]: Finished difference. Result has 1006 places, 1038 transitions, 2092 flow [2024-11-27 19:51:30,030 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2092, PETRI_PLACES=1006, PETRI_TRANSITIONS=1038} [2024-11-27 19:51:30,030 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -35 predicate places. [2024-11-27 19:51:30,030 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1038 transitions, 2092 flow [2024-11-27 19:51:30,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 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 19:51:30,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:30,031 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] [2024-11-27 19:51:30,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 19:51:30,032 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:30,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:30,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1374449410, now seen corresponding path program 1 times [2024-11-27 19:51:30,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:30,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823024403] [2024-11-27 19:51:30,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:30,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:30,087 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 19:51:30,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:30,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823024403] [2024-11-27 19:51:30,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823024403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:30,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:30,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:30,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032506863] [2024-11-27 19:51:30,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:30,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:30,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:30,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:30,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:30,130 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-27 19:51:30,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1038 transitions, 2092 flow. Second operand has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 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 19:51:30,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:30,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-27 19:51:30,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:32,756 INFO L124 PetriNetUnfolderBase]: 451/6342 cut-off events. [2024-11-27 19:51:32,756 INFO L125 PetriNetUnfolderBase]: For 31/77 co-relation queries the response was YES. [2024-11-27 19:51:33,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6718 conditions, 6342 events. 451/6342 cut-off events. For 31/77 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 51472 event pairs, 110 based on Foata normal form. 1/5113 useless extension candidates. Maximal degree in co-relation 6242. Up to 340 conditions per place. [2024-11-27 19:51:33,271 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1032 dead transitions. [2024-11-27 19:51:33,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 1032 transitions, 2144 flow [2024-11-27 19:51:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-27 19:51:33,275 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-27 19:51:33,275 INFO L175 Difference]: Start difference. First operand has 1006 places, 1038 transitions, 2092 flow. Second operand 3 states and 3206 transitions. [2024-11-27 19:51:33,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 1032 transitions, 2144 flow [2024-11-27 19:51:33,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1032 transitions, 2144 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:33,290 INFO L231 Difference]: Finished difference. Result has 999 places, 1030 transitions, 2086 flow [2024-11-27 19:51:33,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2072, PETRI_DIFFERENCE_MINUEND_PLACES=996, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2086, PETRI_PLACES=999, PETRI_TRANSITIONS=1030} [2024-11-27 19:51:33,292 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -42 predicate places. [2024-11-27 19:51:33,293 INFO L471 AbstractCegarLoop]: Abstraction has has 999 places, 1030 transitions, 2086 flow [2024-11-27 19:51:33,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.3333333333333) internal successors, (3169), 3 states have internal predecessors, (3169), 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 19:51:33,294 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:33,294 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] [2024-11-27 19:51:33,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 19:51:33,295 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:33,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:33,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1624870139, now seen corresponding path program 1 times [2024-11-27 19:51:33,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:33,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974881358] [2024-11-27 19:51:33,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:33,350 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 19:51:33,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:33,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974881358] [2024-11-27 19:51:33,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974881358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:33,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:33,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:33,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672597597] [2024-11-27 19:51:33,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:33,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:33,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:33,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:33,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:33,434 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:51:33,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1030 transitions, 2086 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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 19:51:33,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:33,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:51:33,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:34,698 INFO L124 PetriNetUnfolderBase]: 166/2871 cut-off events. [2024-11-27 19:51:34,698 INFO L125 PetriNetUnfolderBase]: For 17/44 co-relation queries the response was YES. [2024-11-27 19:51:34,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3040 conditions, 2871 events. 166/2871 cut-off events. For 17/44 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 20423 event pairs, 37 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 2250. Up to 106 conditions per place. [2024-11-27 19:51:34,830 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1031 dead transitions. [2024-11-27 19:51:34,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1031 transitions, 2138 flow [2024-11-27 19:51:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-27 19:51:34,834 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-27 19:51:34,834 INFO L175 Difference]: Start difference. First operand has 999 places, 1030 transitions, 2086 flow. Second operand 3 states and 3232 transitions. [2024-11-27 19:51:34,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1000 places, 1031 transitions, 2138 flow [2024-11-27 19:51:34,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1031 transitions, 2138 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:34,843 INFO L231 Difference]: Finished difference. Result has 1000 places, 1029 transitions, 2088 flow [2024-11-27 19:51:34,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=998, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2088, PETRI_PLACES=1000, PETRI_TRANSITIONS=1029} [2024-11-27 19:51:34,844 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -41 predicate places. [2024-11-27 19:51:34,845 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1029 transitions, 2088 flow [2024-11-27 19:51:34,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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 19:51:34,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:34,846 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] [2024-11-27 19:51:34,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 19:51:34,846 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:34,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:34,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1571683724, now seen corresponding path program 1 times [2024-11-27 19:51:34,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:34,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402381196] [2024-11-27 19:51:34,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:34,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:34,901 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 19:51:34,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:34,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402381196] [2024-11-27 19:51:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402381196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:34,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:34,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016387986] [2024-11-27 19:51:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:34,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:34,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:34,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:34,942 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-27 19:51:34,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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 19:51:34,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:34,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-27 19:51:34,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:35,747 INFO L124 PetriNetUnfolderBase]: 105/2080 cut-off events. [2024-11-27 19:51:35,748 INFO L125 PetriNetUnfolderBase]: For 21/35 co-relation queries the response was YES. [2024-11-27 19:51:35,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2161 conditions, 2080 events. 105/2080 cut-off events. For 21/35 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11904 event pairs, 14 based on Foata normal form. 1/1711 useless extension candidates. Maximal degree in co-relation 1934. Up to 48 conditions per place. [2024-11-27 19:51:35,821 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1030 dead transitions. [2024-11-27 19:51:35,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1001 places, 1030 transitions, 2128 flow [2024-11-27 19:51:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-27 19:51:35,825 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-27 19:51:35,825 INFO L175 Difference]: Start difference. First operand has 1000 places, 1029 transitions, 2088 flow. Second operand 3 states and 3244 transitions. [2024-11-27 19:51:35,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1001 places, 1030 transitions, 2128 flow [2024-11-27 19:51:35,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 1030 transitions, 2124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:35,836 INFO L231 Difference]: Finished difference. Result has 999 places, 1028 transitions, 2086 flow [2024-11-27 19:51:35,837 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=997, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1028, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2086, PETRI_PLACES=999, PETRI_TRANSITIONS=1028} [2024-11-27 19:51:35,837 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -42 predicate places. [2024-11-27 19:51:35,837 INFO L471 AbstractCegarLoop]: Abstraction has has 999 places, 1028 transitions, 2086 flow [2024-11-27 19:51:35,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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 19:51:35,839 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:35,839 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] [2024-11-27 19:51:35,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 19:51:35,840 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:35,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:35,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1993333264, now seen corresponding path program 1 times [2024-11-27 19:51:35,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:35,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550537789] [2024-11-27 19:51:35,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:35,893 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 19:51:35,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:35,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550537789] [2024-11-27 19:51:35,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550537789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:35,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:35,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:35,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162339274] [2024-11-27 19:51:35,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:35,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:35,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:35,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:35,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:35,941 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1066 out of 1112 [2024-11-27 19:51:35,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1028 transitions, 2086 flow. Second operand has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 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 19:51:35,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:35,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1066 of 1112 [2024-11-27 19:51:35,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:37,416 INFO L124 PetriNetUnfolderBase]: 191/3773 cut-off events. [2024-11-27 19:51:37,416 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 19:51:37,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 3773 events. 191/3773 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 25757 event pairs, 8 based on Foata normal form. 0/3081 useless extension candidates. Maximal degree in co-relation 3438. Up to 42 conditions per place. [2024-11-27 19:51:37,581 INFO L140 encePairwiseOnDemand]: 1098/1112 looper letters, 18 selfloop transitions, 9 changer transitions 0/1029 dead transitions. [2024-11-27 19:51:37,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1029 transitions, 2144 flow [2024-11-27 19:51:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3230 transitions. [2024-11-27 19:51:37,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9682254196642686 [2024-11-27 19:51:37,584 INFO L175 Difference]: Start difference. First operand has 999 places, 1028 transitions, 2086 flow. Second operand 3 states and 3230 transitions. [2024-11-27 19:51:37,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1029 transitions, 2144 flow [2024-11-27 19:51:37,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 994 places, 1029 transitions, 2140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:37,599 INFO L231 Difference]: Finished difference. Result has 995 places, 1027 transitions, 2115 flow [2024-11-27 19:51:37,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2072, PETRI_DIFFERENCE_MINUEND_PLACES=992, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1023, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2115, PETRI_PLACES=995, PETRI_TRANSITIONS=1027} [2024-11-27 19:51:37,601 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -46 predicate places. [2024-11-27 19:51:37,601 INFO L471 AbstractCegarLoop]: Abstraction has has 995 places, 1027 transitions, 2115 flow [2024-11-27 19:51:37,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.3333333333333) internal successors, (3202), 3 states have internal predecessors, (3202), 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 19:51:37,603 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:37,603 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] [2024-11-27 19:51:37,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 19:51:37,604 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:37,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1873800165, now seen corresponding path program 1 times [2024-11-27 19:51:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:37,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058433714] [2024-11-27 19:51:37,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:37,663 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 19:51:37,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:37,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058433714] [2024-11-27 19:51:37,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058433714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:37,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:37,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:37,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393842886] [2024-11-27 19:51:37,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:37,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:37,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:37,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:37,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:37,707 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1055 out of 1112 [2024-11-27 19:51:37,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 995 places, 1027 transitions, 2115 flow. Second operand has 3 states, 3 states have (on average 1056.6666666666667) internal successors, (3170), 3 states have internal predecessors, (3170), 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 19:51:37,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:37,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1055 of 1112 [2024-11-27 19:51:37,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:44,068 INFO L124 PetriNetUnfolderBase]: 1568/19955 cut-off events. [2024-11-27 19:51:44,068 INFO L125 PetriNetUnfolderBase]: For 147/153 co-relation queries the response was YES. [2024-11-27 19:51:44,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21201 conditions, 19955 events. 1568/19955 cut-off events. For 147/153 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 223196 event pairs, 488 based on Foata normal form. 0/16098 useless extension candidates. Maximal degree in co-relation 15929. Up to 1183 conditions per place. [2024-11-27 19:51:44,573 INFO L140 encePairwiseOnDemand]: 1100/1112 looper letters, 29 selfloop transitions, 2 changer transitions 0/1021 dead transitions. [2024-11-27 19:51:44,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 987 places, 1021 transitions, 2167 flow [2024-11-27 19:51:44,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3206 transitions. [2024-11-27 19:51:44,576 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9610311750599521 [2024-11-27 19:51:44,576 INFO L175 Difference]: Start difference. First operand has 995 places, 1027 transitions, 2115 flow. Second operand 3 states and 3206 transitions. [2024-11-27 19:51:44,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 987 places, 1021 transitions, 2167 flow [2024-11-27 19:51:44,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 986 places, 1021 transitions, 2158 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:51:44,586 INFO L231 Difference]: Finished difference. Result has 987 places, 1019 transitions, 2100 flow [2024-11-27 19:51:44,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2086, PETRI_DIFFERENCE_MINUEND_PLACES=984, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=987, PETRI_TRANSITIONS=1019} [2024-11-27 19:51:44,588 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -54 predicate places. [2024-11-27 19:51:44,588 INFO L471 AbstractCegarLoop]: Abstraction has has 987 places, 1019 transitions, 2100 flow [2024-11-27 19:51:44,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1056.6666666666667) internal successors, (3170), 3 states have internal predecessors, (3170), 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 19:51:44,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:44,588 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] [2024-11-27 19:51:44,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 19:51:44,588 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:44,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:44,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1200546135, now seen corresponding path program 1 times [2024-11-27 19:51:44,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:44,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929865749] [2024-11-27 19:51:44,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:44,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:44,640 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 19:51:44,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929865749] [2024-11-27 19:51:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929865749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:44,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:44,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:44,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072370076] [2024-11-27 19:51:44,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:44,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:44,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:44,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:44,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:44,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1072 out of 1112 [2024-11-27 19:51:44,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1019 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 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 19:51:44,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:44,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1072 of 1112 [2024-11-27 19:51:44,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:46,551 INFO L124 PetriNetUnfolderBase]: 261/5106 cut-off events. [2024-11-27 19:51:46,551 INFO L125 PetriNetUnfolderBase]: For 36/52 co-relation queries the response was YES. [2024-11-27 19:51:46,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5306 conditions, 5106 events. 261/5106 cut-off events. For 36/52 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 44389 event pairs, 20 based on Foata normal form. 1/4217 useless extension candidates. Maximal degree in co-relation 4580. Up to 68 conditions per place. [2024-11-27 19:51:46,737 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 3 changer transitions 0/1020 dead transitions. [2024-11-27 19:51:46,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 1020 transitions, 2154 flow [2024-11-27 19:51:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3238 transitions. [2024-11-27 19:51:46,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9706235011990407 [2024-11-27 19:51:46,740 INFO L175 Difference]: Start difference. First operand has 987 places, 1019 transitions, 2100 flow. Second operand 3 states and 3238 transitions. [2024-11-27 19:51:46,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 1020 transitions, 2154 flow [2024-11-27 19:51:46,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 988 places, 1020 transitions, 2154 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:51:46,756 INFO L231 Difference]: Finished difference. Result has 988 places, 1018 transitions, 2104 flow [2024-11-27 19:51:46,757 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2098, PETRI_DIFFERENCE_MINUEND_PLACES=986, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1018, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2104, PETRI_PLACES=988, PETRI_TRANSITIONS=1018} [2024-11-27 19:51:46,758 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -53 predicate places. [2024-11-27 19:51:46,758 INFO L471 AbstractCegarLoop]: Abstraction has has 988 places, 1018 transitions, 2104 flow [2024-11-27 19:51:46,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.6666666666667) internal successors, (3221), 3 states have internal predecessors, (3221), 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 19:51:46,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:46,759 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] [2024-11-27 19:51:46,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 19:51:46,760 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:46,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:46,761 INFO L85 PathProgramCache]: Analyzing trace with hash 2096781154, now seen corresponding path program 1 times [2024-11-27 19:51:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:46,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154919882] [2024-11-27 19:51:46,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:46,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:46,824 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 19:51:46,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:46,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154919882] [2024-11-27 19:51:46,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154919882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:46,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:46,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:46,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003050923] [2024-11-27 19:51:46,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:46,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:46,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:46,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:46,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:46,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:51:46,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 1018 transitions, 2104 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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 19:51:46,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:46,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:51:46,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:48,737 INFO L124 PetriNetUnfolderBase]: 180/3058 cut-off events. [2024-11-27 19:51:48,737 INFO L125 PetriNetUnfolderBase]: For 46/60 co-relation queries the response was YES. [2024-11-27 19:51:48,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3265 conditions, 3058 events. 180/3058 cut-off events. For 46/60 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 22285 event pairs, 37 based on Foata normal form. 1/2538 useless extension candidates. Maximal degree in co-relation 2527. Up to 139 conditions per place. [2024-11-27 19:51:48,865 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 22 selfloop transitions, 2 changer transitions 0/1019 dead transitions. [2024-11-27 19:51:48,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 1019 transitions, 2156 flow [2024-11-27 19:51:48,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3232 transitions. [2024-11-27 19:51:48,871 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9688249400479616 [2024-11-27 19:51:48,871 INFO L175 Difference]: Start difference. First operand has 988 places, 1018 transitions, 2104 flow. Second operand 3 states and 3232 transitions. [2024-11-27 19:51:48,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 1019 transitions, 2156 flow [2024-11-27 19:51:48,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 987 places, 1019 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:48,891 INFO L231 Difference]: Finished difference. Result has 987 places, 1017 transitions, 2100 flow [2024-11-27 19:51:48,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=985, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2100, PETRI_PLACES=987, PETRI_TRANSITIONS=1017} [2024-11-27 19:51:48,892 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -54 predicate places. [2024-11-27 19:51:48,892 INFO L471 AbstractCegarLoop]: Abstraction has has 987 places, 1017 transitions, 2100 flow [2024-11-27 19:51:48,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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 19:51:48,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:48,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:48,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 19:51:48,894 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:48,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash 693537954, now seen corresponding path program 1 times [2024-11-27 19:51:48,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:48,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182715649] [2024-11-27 19:51:48,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:48,961 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 19:51:48,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:48,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182715649] [2024-11-27 19:51:48,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182715649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:48,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:48,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:48,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879962585] [2024-11-27 19:51:48,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:48,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:48,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:48,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:48,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:49,014 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1112 [2024-11-27 19:51:49,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1017 transitions, 2100 flow. Second operand has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 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 19:51:49,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:49,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1112 [2024-11-27 19:51:49,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:51,161 INFO L124 PetriNetUnfolderBase]: 298/5500 cut-off events. [2024-11-27 19:51:51,162 INFO L125 PetriNetUnfolderBase]: For 14/28 co-relation queries the response was YES. [2024-11-27 19:51:51,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5754 conditions, 5500 events. 298/5500 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 44983 event pairs, 15 based on Foata normal form. 0/4551 useless extension candidates. Maximal degree in co-relation 5387. Up to 68 conditions per place. [2024-11-27 19:51:51,316 INFO L140 encePairwiseOnDemand]: 1097/1112 looper letters, 20 selfloop transitions, 9 changer transitions 0/1017 dead transitions. [2024-11-27 19:51:51,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1017 transitions, 2160 flow [2024-11-27 19:51:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3224 transitions. [2024-11-27 19:51:51,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9664268585131894 [2024-11-27 19:51:51,319 INFO L175 Difference]: Start difference. First operand has 987 places, 1017 transitions, 2100 flow. Second operand 3 states and 3224 transitions. [2024-11-27 19:51:51,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1017 transitions, 2160 flow [2024-11-27 19:51:51,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 1017 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:51,334 INFO L231 Difference]: Finished difference. Result has 982 places, 1015 transitions, 2127 flow [2024-11-27 19:51:51,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2084, PETRI_DIFFERENCE_MINUEND_PLACES=979, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1011, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1002, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2127, PETRI_PLACES=982, PETRI_TRANSITIONS=1015} [2024-11-27 19:51:51,336 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -59 predicate places. [2024-11-27 19:51:51,336 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1015 transitions, 2127 flow [2024-11-27 19:51:51,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.6666666666667) internal successors, (3194), 3 states have internal predecessors, (3194), 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 19:51:51,337 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:51,338 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] [2024-11-27 19:51:51,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 19:51:51,338 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:51,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:51,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1925311188, now seen corresponding path program 1 times [2024-11-27 19:51:51,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:51,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952766769] [2024-11-27 19:51:51,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:51,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:51,401 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 19:51:51,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:51,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952766769] [2024-11-27 19:51:51,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952766769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:51,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:51,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:51,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470488057] [2024-11-27 19:51:51,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:51,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:51,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:51,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:51,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:51,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1112 [2024-11-27 19:51:51,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1015 transitions, 2127 flow. Second operand has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 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 19:51:51,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:51,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1112 [2024-11-27 19:51:51,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:53,303 INFO L124 PetriNetUnfolderBase]: 285/5368 cut-off events. [2024-11-27 19:51:53,304 INFO L125 PetriNetUnfolderBase]: For 113/166 co-relation queries the response was YES. [2024-11-27 19:51:53,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5675 conditions, 5368 events. 285/5368 cut-off events. For 113/166 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 47708 event pairs, 30 based on Foata normal form. 0/4450 useless extension candidates. Maximal degree in co-relation 5082. Up to 105 conditions per place. [2024-11-27 19:51:53,531 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 23 selfloop transitions, 3 changer transitions 0/1016 dead transitions. [2024-11-27 19:51:53,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 983 places, 1016 transitions, 2183 flow [2024-11-27 19:51:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3236 transitions. [2024-11-27 19:51:53,535 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9700239808153477 [2024-11-27 19:51:53,535 INFO L175 Difference]: Start difference. First operand has 982 places, 1015 transitions, 2127 flow. Second operand 3 states and 3236 transitions. [2024-11-27 19:51:53,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 983 places, 1016 transitions, 2183 flow [2024-11-27 19:51:53,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 982 places, 1016 transitions, 2174 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:51:53,550 INFO L231 Difference]: Finished difference. Result has 982 places, 1014 transitions, 2122 flow [2024-11-27 19:51:53,551 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1014, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1011, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=982, PETRI_TRANSITIONS=1014} [2024-11-27 19:51:53,551 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -59 predicate places. [2024-11-27 19:51:53,552 INFO L471 AbstractCegarLoop]: Abstraction has has 982 places, 1014 transitions, 2122 flow [2024-11-27 19:51:53,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.0) internal successors, (3219), 3 states have internal predecessors, (3219), 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 19:51:53,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:53,552 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] [2024-11-27 19:51:53,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 19:51:53,553 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:53,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1489607305, now seen corresponding path program 1 times [2024-11-27 19:51:53,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648121353] [2024-11-27 19:51:53,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:53,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:53,608 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 19:51:53,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:53,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648121353] [2024-11-27 19:51:53,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648121353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:53,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:53,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:53,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251584325] [2024-11-27 19:51:53,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:53,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:53,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:53,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:53,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:53,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 1112 [2024-11-27 19:51:53,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 982 places, 1014 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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 19:51:53,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:53,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 1112 [2024-11-27 19:51:53,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:54,902 INFO L124 PetriNetUnfolderBase]: 174/3080 cut-off events. [2024-11-27 19:51:54,902 INFO L125 PetriNetUnfolderBase]: For 38/48 co-relation queries the response was YES. [2024-11-27 19:51:54,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3335 conditions, 3080 events. 174/3080 cut-off events. For 38/48 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21954 event pairs, 21 based on Foata normal form. 2/2608 useless extension candidates. Maximal degree in co-relation 2561. Up to 91 conditions per place. [2024-11-27 19:51:55,017 INFO L140 encePairwiseOnDemand]: 1097/1112 looper letters, 16 selfloop transitions, 8 changer transitions 14/1014 dead transitions. [2024-11-27 19:51:55,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 978 places, 1014 transitions, 2180 flow [2024-11-27 19:51:55,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3223 transitions. [2024-11-27 19:51:55,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9661270983213429 [2024-11-27 19:51:55,022 INFO L175 Difference]: Start difference. First operand has 982 places, 1014 transitions, 2122 flow. Second operand 3 states and 3223 transitions. [2024-11-27 19:51:55,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 978 places, 1014 transitions, 2180 flow [2024-11-27 19:51:55,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 976 places, 1014 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:51:55,042 INFO L231 Difference]: Finished difference. Result has 977 places, 998 transitions, 2111 flow [2024-11-27 19:51:55,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=974, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2111, PETRI_PLACES=977, PETRI_TRANSITIONS=998} [2024-11-27 19:51:55,044 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -64 predicate places. [2024-11-27 19:51:55,044 INFO L471 AbstractCegarLoop]: Abstraction has has 977 places, 998 transitions, 2111 flow [2024-11-27 19:51:55,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1065.0) internal successors, (3195), 3 states have internal predecessors, (3195), 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 19:51:55,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:55,045 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] [2024-11-27 19:51:55,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 19:51:55,046 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:55,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2096019832, now seen corresponding path program 1 times [2024-11-27 19:51:55,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009327958] [2024-11-27 19:51:55,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:55,118 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 19:51:55,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009327958] [2024-11-27 19:51:55,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009327958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:55,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:55,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:55,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484059206] [2024-11-27 19:51:55,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:55,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:55,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:55,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:55,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:55,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 1112 [2024-11-27 19:51:55,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 977 places, 998 transitions, 2111 flow. Second operand has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 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 19:51:55,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:55,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 1112 [2024-11-27 19:51:55,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:51:56,966 INFO L124 PetriNetUnfolderBase]: 215/4625 cut-off events. [2024-11-27 19:51:56,966 INFO L125 PetriNetUnfolderBase]: For 40/50 co-relation queries the response was YES. [2024-11-27 19:51:57,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4954 conditions, 4625 events. 215/4625 cut-off events. For 40/50 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 39026 event pairs, 4 based on Foata normal form. 1/3903 useless extension candidates. Maximal degree in co-relation 4558. Up to 73 conditions per place. [2024-11-27 19:51:57,168 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1003 dead transitions. [2024-11-27 19:51:57,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 965 places, 1003 transitions, 2161 flow [2024-11-27 19:51:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:51:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:51:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3253 transitions. [2024-11-27 19:51:57,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9751199040767387 [2024-11-27 19:51:57,172 INFO L175 Difference]: Start difference. First operand has 977 places, 998 transitions, 2111 flow. Second operand 3 states and 3253 transitions. [2024-11-27 19:51:57,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 965 places, 1003 transitions, 2161 flow [2024-11-27 19:51:57,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 964 places, 1003 transitions, 2153 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:51:57,197 INFO L231 Difference]: Finished difference. Result has 966 places, 999 transitions, 2117 flow [2024-11-27 19:51:57,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2103, PETRI_DIFFERENCE_MINUEND_PLACES=962, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=998, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=996, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2117, PETRI_PLACES=966, PETRI_TRANSITIONS=999} [2024-11-27 19:51:57,203 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -75 predicate places. [2024-11-27 19:51:57,203 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 999 transitions, 2117 flow [2024-11-27 19:51:57,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 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 19:51:57,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:51:57,204 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] [2024-11-27 19:51:57,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 19:51:57,204 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:51:57,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:57,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1361657622, now seen corresponding path program 1 times [2024-11-27 19:51:57,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:57,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154847962] [2024-11-27 19:51:57,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:57,269 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 19:51:57,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:51:57,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154847962] [2024-11-27 19:51:57,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154847962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:57,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:57,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:57,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949077877] [2024-11-27 19:51:57,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:57,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:51:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:51:57,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:51:57,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:51:57,325 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1057 out of 1112 [2024-11-27 19:51:57,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 999 transitions, 2117 flow. Second operand has 3 states, 3 states have (on average 1058.6666666666667) internal successors, (3176), 3 states have internal predecessors, (3176), 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 19:51:57,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:51:57,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1057 of 1112 [2024-11-27 19:51:57,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:01,033 INFO L124 PetriNetUnfolderBase]: 488/9044 cut-off events. [2024-11-27 19:52:01,033 INFO L125 PetriNetUnfolderBase]: For 6/42 co-relation queries the response was YES. [2024-11-27 19:52:01,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9831 conditions, 9044 events. 488/9044 cut-off events. For 6/42 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 83320 event pairs, 14 based on Foata normal form. 2/7653 useless extension candidates. Maximal degree in co-relation 8207. Up to 166 conditions per place. [2024-11-27 19:52:01,251 INFO L140 encePairwiseOnDemand]: 1095/1112 looper letters, 23 selfloop transitions, 9 changer transitions 0/997 dead transitions. [2024-11-27 19:52:01,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 997 transitions, 2179 flow [2024-11-27 19:52:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:52:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3211 transitions. [2024-11-27 19:52:01,254 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9625299760191847 [2024-11-27 19:52:01,255 INFO L175 Difference]: Start difference. First operand has 966 places, 999 transitions, 2117 flow. Second operand 3 states and 3211 transitions. [2024-11-27 19:52:01,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 960 places, 997 transitions, 2179 flow [2024-11-27 19:52:01,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 997 transitions, 2177 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:52:01,270 INFO L231 Difference]: Finished difference. Result has 961 places, 995 transitions, 2151 flow [2024-11-27 19:52:01,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2151, PETRI_PLACES=961, PETRI_TRANSITIONS=995} [2024-11-27 19:52:01,272 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -80 predicate places. [2024-11-27 19:52:01,272 INFO L471 AbstractCegarLoop]: Abstraction has has 961 places, 995 transitions, 2151 flow [2024-11-27 19:52:01,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1058.6666666666667) internal successors, (3176), 3 states have internal predecessors, (3176), 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 19:52:01,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:01,273 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 19:52:01,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 19:52:01,274 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:52:01,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:01,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1262558298, now seen corresponding path program 1 times [2024-11-27 19:52:01,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:01,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897648557] [2024-11-27 19:52:01,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:01,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:01,330 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 19:52:01,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:01,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897648557] [2024-11-27 19:52:01,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897648557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:01,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:01,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:52:01,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359534319] [2024-11-27 19:52:01,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:01,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:01,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:01,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:01,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:01,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 1112 [2024-11-27 19:52:01,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 961 places, 995 transitions, 2151 flow. Second operand has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 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 19:52:01,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:01,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 1112 [2024-11-27 19:52:01,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:03,080 INFO L124 PetriNetUnfolderBase]: 243/3759 cut-off events. [2024-11-27 19:52:03,080 INFO L125 PetriNetUnfolderBase]: For 199/217 co-relation queries the response was YES. [2024-11-27 19:52:03,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4283 conditions, 3759 events. 243/3759 cut-off events. For 199/217 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 30884 event pairs, 36 based on Foata normal form. 1/3174 useless extension candidates. Maximal degree in co-relation 3606. Up to 212 conditions per place. [2024-11-27 19:52:03,216 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 20 selfloop transitions, 3 changer transitions 0/996 dead transitions. [2024-11-27 19:52:03,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 996 transitions, 2201 flow [2024-11-27 19:52:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:52:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3233 transitions. [2024-11-27 19:52:03,219 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9691247002398081 [2024-11-27 19:52:03,219 INFO L175 Difference]: Start difference. First operand has 961 places, 995 transitions, 2151 flow. Second operand 3 states and 3233 transitions. [2024-11-27 19:52:03,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 996 transitions, 2201 flow [2024-11-27 19:52:03,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 960 places, 996 transitions, 2183 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:52:03,227 INFO L231 Difference]: Finished difference. Result has 960 places, 994 transitions, 2137 flow [2024-11-27 19:52:03,228 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2131, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=994, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2137, PETRI_PLACES=960, PETRI_TRANSITIONS=994} [2024-11-27 19:52:03,228 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -81 predicate places. [2024-11-27 19:52:03,228 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 994 transitions, 2137 flow [2024-11-27 19:52:03,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1073.3333333333333) internal successors, (3220), 3 states have internal predecessors, (3220), 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 19:52:03,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:03,229 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 19:52:03,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 19:52:03,229 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:52:03,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2029794379, now seen corresponding path program 1 times [2024-11-27 19:52:03,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:03,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984873877] [2024-11-27 19:52:03,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:03,280 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 19:52:03,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:03,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984873877] [2024-11-27 19:52:03,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984873877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:03,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:03,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:52:03,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043799080] [2024-11-27 19:52:03,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:03,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:03,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:03,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:03,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:03,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-27 19:52:03,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 994 transitions, 2137 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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 19:52:03,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:03,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-27 19:52:03,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:52:05,964 INFO L124 PetriNetUnfolderBase]: 367/7045 cut-off events. [2024-11-27 19:52:05,965 INFO L125 PetriNetUnfolderBase]: For 97/135 co-relation queries the response was YES. [2024-11-27 19:52:06,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 7045 events. 367/7045 cut-off events. For 97/135 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 68015 event pairs, 48 based on Foata normal form. 2/5984 useless extension candidates. Maximal degree in co-relation 6189. Up to 147 conditions per place. [2024-11-27 19:52:06,154 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 24 selfloop transitions, 3 changer transitions 0/995 dead transitions. [2024-11-27 19:52:06,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 961 places, 995 transitions, 2195 flow [2024-11-27 19:52:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:52:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:52:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-27 19:52:06,157 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-27 19:52:06,157 INFO L175 Difference]: Start difference. First operand has 960 places, 994 transitions, 2137 flow. Second operand 3 states and 3231 transitions. [2024-11-27 19:52:06,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 961 places, 995 transitions, 2195 flow [2024-11-27 19:52:06,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 959 places, 995 transitions, 2189 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:52:06,170 INFO L231 Difference]: Finished difference. Result has 959 places, 993 transitions, 2135 flow [2024-11-27 19:52:06,171 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2129, PETRI_DIFFERENCE_MINUEND_PLACES=957, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=993, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=990, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2135, PETRI_PLACES=959, PETRI_TRANSITIONS=993} [2024-11-27 19:52:06,171 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -82 predicate places. [2024-11-27 19:52:06,171 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 993 transitions, 2135 flow [2024-11-27 19:52:06,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 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 19:52:06,172 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:52:06,172 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, 1, 1, 1] [2024-11-27 19:52:06,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 19:52:06,172 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-27 19:52:06,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash -601154326, now seen corresponding path program 1 times [2024-11-27 19:52:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:52:06,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473742695] [2024-11-27 19:52:06,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:06,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:52:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:06,242 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 19:52:06,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:52:06,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473742695] [2024-11-27 19:52:06,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473742695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:06,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:06,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:52:06,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961304402] [2024-11-27 19:52:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:06,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:52:06,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:52:06,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:52:06,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:52:06,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 1112 [2024-11-27 19:52:06,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 993 transitions, 2135 flow. Second operand has 3 states, 3 states have (on average 1080.6666666666667) internal successors, (3242), 3 states have internal predecessors, (3242), 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 19:52:06,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:52:06,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 1112 [2024-11-27 19:52:06,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand