./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd --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 cc2bc8e2b738274330116922d0213f314e2f92c105156edd0131038d71009ecb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:07:50,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:07:51,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:07:51,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:07:51,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:07:51,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:07:51,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:07:51,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:07:51,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:07:51,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:07:51,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:07:51,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:07:51,124 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:07:51,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:07:51,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:07:51,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:07:51,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:07:51,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:07:51,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:07:51,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:07:51,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:07:51,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:07:51,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:07:51,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:07:51,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:07:51,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:07:51,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:07:51,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:07:51,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:07:51,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:07:51,128 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_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd 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 -> cc2bc8e2b738274330116922d0213f314e2f92c105156edd0131038d71009ecb [2024-11-13 14:07:51,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:07:51,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:07:51,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:07:51,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:07:51,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:07:51,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-4.i Unable to find full path for "g++" [2024-11-13 14:07:53,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:07:53,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:07:53,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-outer-race-4.i [2024-11-13 14:07:53,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/data/d4a6e0319/acd73e87119e43709ed8b8eeb147f857/FLAG0d67ae326 [2024-11-13 14:07:53,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/data/d4a6e0319/acd73e87119e43709ed8b8eeb147f857 [2024-11-13 14:07:53,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:07:53,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:07:53,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:07:53,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:07:53,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:07:53,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:07:53" (1/1) ... [2024-11-13 14:07:53,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b85fb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:53, skipping insertion in model container [2024-11-13 14:07:53,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:07:53" (1/1) ... [2024-11-13 14:07:53,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:07:54,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:07:54,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:07:54,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:07:54,401 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:07:54,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54 WrapperNode [2024-11-13 14:07:54,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:07:54,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:07:54,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:07:54,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:07:54,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,470 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-11-13 14:07:54,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:07:54,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:07:54,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:07:54,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:07:54,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:07:54,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:07:54,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:07:54,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:07:54,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (1/1) ... [2024-11-13 14:07:54,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:07:54,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:07:54,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:07:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:07:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:07:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:07:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:07:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:07:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-13 14:07:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-13 14:07:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:07:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:07:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:07:54,629 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:07:54,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:07:54,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:07:55,280 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:07:55,280 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:07:55,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:07:55,321 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:07:55,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:07:55 BoogieIcfgContainer [2024-11-13 14:07:55,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:07:55,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:07:55,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:07:55,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:07:55,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:07:53" (1/3) ... [2024-11-13 14:07:55,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248e8916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:07:55, skipping insertion in model container [2024-11-13 14:07:55,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:07:54" (2/3) ... [2024-11-13 14:07:55,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248e8916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:07:55, skipping insertion in model container [2024-11-13 14:07:55,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:07:55" (3/3) ... [2024-11-13 14:07:55,332 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-outer-race-4.i [2024-11-13 14:07:55,350 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:07:55,353 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG thread-join-counter-outer-race-4.i that has 2 procedures, 234 locations, 1 initial locations, 2 loop locations, and 7 error locations. [2024-11-13 14:07:55,353 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:07:55,459 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:07:55,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 238 transitions, 480 flow [2024-11-13 14:07:55,721 INFO L124 PetriNetUnfolderBase]: 7/280 cut-off events. [2024-11-13 14:07:55,726 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:07:55,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 280 events. 7/280 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 236 event pairs, 0 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 199. Up to 4 conditions per place. [2024-11-13 14:07:55,736 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 238 transitions, 480 flow [2024-11-13 14:07:55,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 238 transitions, 480 flow [2024-11-13 14:07:55,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:07:55,777 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;@4ba070cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:07:55,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-13 14:07:55,844 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:07:55,844 INFO L124 PetriNetUnfolderBase]: 2/166 cut-off events. [2024-11-13 14:07:55,844 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:07:55,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:55,846 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:07:55,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:55,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 814224107, now seen corresponding path program 1 times [2024-11-13 14:07:55,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:55,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645125653] [2024-11-13 14:07:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:55,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:56,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:56,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645125653] [2024-11-13 14:07:56,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645125653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:56,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:56,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:56,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884954149] [2024-11-13 14:07:56,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:56,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:56,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:56,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:56,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 238 [2024-11-13 14:07:56,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 238 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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) [2024-11-13 14:07:56,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:56,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 238 [2024-11-13 14:07:56,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:07:56,857 INFO L124 PetriNetUnfolderBase]: 98/690 cut-off events. [2024-11-13 14:07:56,857 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:07:56,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 690 events. 98/690 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3186 event pairs, 33 based on Foata normal form. 9/643 useless extension candidates. Maximal degree in co-relation 707. Up to 138 conditions per place. [2024-11-13 14:07:56,866 INFO L140 encePairwiseOnDemand]: 224/238 looper letters, 32 selfloop transitions, 8 changer transitions 1/253 dead transitions. [2024-11-13 14:07:56,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 253 transitions, 590 flow [2024-11-13 14:07:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:07:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:07:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 687 transitions. [2024-11-13 14:07:56,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9621848739495799 [2024-11-13 14:07:56,894 INFO L175 Difference]: Start difference. First operand has 237 places, 238 transitions, 480 flow. Second operand 3 states and 687 transitions. [2024-11-13 14:07:56,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 253 transitions, 590 flow [2024-11-13 14:07:56,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 253 transitions, 590 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:07:56,912 INFO L231 Difference]: Finished difference. Result has 241 places, 242 transitions, 542 flow [2024-11-13 14:07:56,915 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=241, PETRI_TRANSITIONS=242} [2024-11-13 14:07:56,921 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, 4 predicate places. [2024-11-13 14:07:56,921 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 242 transitions, 542 flow [2024-11-13 14:07:56,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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) [2024-11-13 14:07:56,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:56,923 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:07:56,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:07:56,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:56,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1166223887, now seen corresponding path program 1 times [2024-11-13 14:07:56,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:56,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088689280] [2024-11-13 14:07:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:57,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:57,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088689280] [2024-11-13 14:07:57,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088689280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:57,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:57,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:57,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29352312] [2024-11-13 14:07:57,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:57,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:57,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:57,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:57,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:57,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 238 [2024-11-13 14:07:57,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 242 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-13 14:07:57,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:57,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 238 [2024-11-13 14:07:57,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:07:57,540 INFO L124 PetriNetUnfolderBase]: 114/818 cut-off events. [2024-11-13 14:07:57,541 INFO L125 PetriNetUnfolderBase]: For 164/171 co-relation queries the response was YES. [2024-11-13 14:07:57,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 818 events. 114/818 cut-off events. For 164/171 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4203 event pairs, 72 based on Foata normal form. 5/768 useless extension candidates. Maximal degree in co-relation 1025. Up to 226 conditions per place. [2024-11-13 14:07:57,550 INFO L140 encePairwiseOnDemand]: 232/238 looper letters, 29 selfloop transitions, 7 changer transitions 0/251 dead transitions. [2024-11-13 14:07:57,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 251 transitions, 642 flow [2024-11-13 14:07:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:07:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:07:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 670 transitions. [2024-11-13 14:07:57,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-11-13 14:07:57,555 INFO L175 Difference]: Start difference. First operand has 241 places, 242 transitions, 542 flow. Second operand 3 states and 670 transitions. [2024-11-13 14:07:57,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 251 transitions, 642 flow [2024-11-13 14:07:57,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 251 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:07:57,564 INFO L231 Difference]: Finished difference. Result has 242 places, 247 transitions, 582 flow [2024-11-13 14:07:57,564 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=242, PETRI_TRANSITIONS=247} [2024-11-13 14:07:57,565 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, 5 predicate places. [2024-11-13 14:07:57,565 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 247 transitions, 582 flow [2024-11-13 14:07:57,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-13 14:07:57,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:57,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:07:57,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:07:57,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:57,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:57,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1248328324, now seen corresponding path program 1 times [2024-11-13 14:07:57,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:57,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388638582] [2024-11-13 14:07:57,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:57,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:57,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:57,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388638582] [2024-11-13 14:07:57,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388638582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:57,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:57,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:57,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569976477] [2024-11-13 14:07:57,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:57,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:57,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:57,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:57,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 238 [2024-11-13 14:07:57,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 247 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2024-11-13 14:07:57,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:57,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 238 [2024-11-13 14:07:57,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:07:58,033 INFO L124 PetriNetUnfolderBase]: 83/740 cut-off events. [2024-11-13 14:07:58,034 INFO L125 PetriNetUnfolderBase]: For 65/69 co-relation queries the response was YES. [2024-11-13 14:07:58,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 740 events. 83/740 cut-off events. For 65/69 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3742 event pairs, 45 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 838. Up to 114 conditions per place. [2024-11-13 14:07:58,041 INFO L140 encePairwiseOnDemand]: 234/238 looper letters, 17 selfloop transitions, 3 changer transitions 1/253 dead transitions. [2024-11-13 14:07:58,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 253 transitions, 636 flow [2024-11-13 14:07:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:07:58,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:07:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-13 14:07:58,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9551820728291317 [2024-11-13 14:07:58,047 INFO L175 Difference]: Start difference. First operand has 242 places, 247 transitions, 582 flow. Second operand 3 states and 682 transitions. [2024-11-13 14:07:58,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 253 transitions, 636 flow [2024-11-13 14:07:58,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 253 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:07:58,061 INFO L231 Difference]: Finished difference. Result has 244 places, 249 transitions, 590 flow [2024-11-13 14:07:58,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=244, PETRI_TRANSITIONS=249} [2024-11-13 14:07:58,062 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, 7 predicate places. [2024-11-13 14:07:58,062 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 249 transitions, 590 flow [2024-11-13 14:07:58,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2024-11-13 14:07:58,064 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:58,064 INFO L204 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] [2024-11-13 14:07:58,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:07:58,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:58,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1000682030, now seen corresponding path program 1 times [2024-11-13 14:07:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:58,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061711434] [2024-11-13 14:07:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:58,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:58,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061711434] [2024-11-13 14:07:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061711434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:58,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:58,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:58,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138319281] [2024-11-13 14:07:58,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:58,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:58,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:58,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:58,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:58,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 238 [2024-11-13 14:07:58,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 249 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2024-11-13 14:07:58,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:58,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 238 [2024-11-13 14:07:58,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:07:58,558 INFO L124 PetriNetUnfolderBase]: 92/753 cut-off events. [2024-11-13 14:07:58,558 INFO L125 PetriNetUnfolderBase]: For 73/77 co-relation queries the response was YES. [2024-11-13 14:07:58,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1129 conditions, 753 events. 92/753 cut-off events. For 73/77 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3928 event pairs, 54 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 920. Up to 141 conditions per place. [2024-11-13 14:07:58,562 INFO L140 encePairwiseOnDemand]: 233/238 looper letters, 22 selfloop transitions, 5 changer transitions 0/258 dead transitions. [2024-11-13 14:07:58,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 258 transitions, 666 flow [2024-11-13 14:07:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:07:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:07:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2024-11-13 14:07:58,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9537815126050421 [2024-11-13 14:07:58,565 INFO L175 Difference]: Start difference. First operand has 244 places, 249 transitions, 590 flow. Second operand 3 states and 681 transitions. [2024-11-13 14:07:58,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 258 transitions, 666 flow [2024-11-13 14:07:58,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 258 transitions, 658 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:07:58,573 INFO L231 Difference]: Finished difference. Result has 246 places, 252 transitions, 620 flow [2024-11-13 14:07:58,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=246, PETRI_TRANSITIONS=252} [2024-11-13 14:07:58,574 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, 9 predicate places. [2024-11-13 14:07:58,574 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 252 transitions, 620 flow [2024-11-13 14:07:58,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2024-11-13 14:07:58,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:58,575 INFO L204 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] [2024-11-13 14:07:58,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:07:58,575 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:58,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:58,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1782327050, now seen corresponding path program 1 times [2024-11-13 14:07:58,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:58,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652456653] [2024-11-13 14:07:58,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:58,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:58,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652456653] [2024-11-13 14:07:58,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652456653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:58,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:58,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:58,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762097213] [2024-11-13 14:07:58,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:58,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:58,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:58,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:58,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:58,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 238 [2024-11-13 14:07:58,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 252 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2024-11-13 14:07:58,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:58,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 238 [2024-11-13 14:07:58,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:07:59,108 INFO L124 PetriNetUnfolderBase]: 159/933 cut-off events. [2024-11-13 14:07:59,108 INFO L125 PetriNetUnfolderBase]: For 210/216 co-relation queries the response was YES. [2024-11-13 14:07:59,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1616 conditions, 933 events. 159/933 cut-off events. For 210/216 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5161 event pairs, 73 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 1385. Up to 275 conditions per place. [2024-11-13 14:07:59,114 INFO L140 encePairwiseOnDemand]: 231/238 looper letters, 29 selfloop transitions, 11 changer transitions 4/265 dead transitions. [2024-11-13 14:07:59,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 265 transitions, 742 flow [2024-11-13 14:07:59,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:07:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:07:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2024-11-13 14:07:59,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9481792717086834 [2024-11-13 14:07:59,117 INFO L175 Difference]: Start difference. First operand has 246 places, 252 transitions, 620 flow. Second operand 3 states and 677 transitions. [2024-11-13 14:07:59,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 265 transitions, 742 flow [2024-11-13 14:07:59,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 265 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:07:59,129 INFO L231 Difference]: Finished difference. Result has 248 places, 256 transitions, 686 flow [2024-11-13 14:07:59,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=248, PETRI_TRANSITIONS=256} [2024-11-13 14:07:59,133 INFO L277 CegarLoopForPetriNet]: 237 programPoint places, 11 predicate places. [2024-11-13 14:07:59,133 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 256 transitions, 686 flow [2024-11-13 14:07:59,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 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) [2024-11-13 14:07:59,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:59,135 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:07:59,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:07:59,137 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-13 14:07:59,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:59,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1212676975, now seen corresponding path program 1 times [2024-11-13 14:07:59,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:59,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188962460] [2024-11-13 14:07:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:59,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:07:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:07:59,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:07:59,459 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:07:59,460 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-13 14:07:59,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-11-13 14:07:59,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-11-13 14:07:59,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-11-13 14:07:59,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-11-13 14:07:59,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-11-13 14:07:59,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:07:59,466 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 14:07:59,472 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 14:07:59,472 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 14:07:59,518 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:07:59,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 268 transitions, 546 flow [2024-11-13 14:07:59,585 INFO L124 PetriNetUnfolderBase]: 10/360 cut-off events. [2024-11-13 14:07:59,585 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:07:59,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 360 events. 10/360 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 0 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 281. Up to 6 conditions per place. [2024-11-13 14:07:59,586 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 268 transitions, 546 flow [2024-11-13 14:07:59,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 268 transitions, 546 flow [2024-11-13 14:07:59,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:07:59,592 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;@4ba070cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:07:59,592 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-13 14:07:59,613 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:07:59,614 INFO L124 PetriNetUnfolderBase]: 2/166 cut-off events. [2024-11-13 14:07:59,614 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:07:59,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:07:59,614 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:07:59,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:07:59,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:07:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash 499223275, now seen corresponding path program 1 times [2024-11-13 14:07:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:07:59,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934760374] [2024-11-13 14:07:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:07:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:07:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:07:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:07:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:07:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934760374] [2024-11-13 14:07:59,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934760374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:07:59,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:07:59,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:07:59,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198724664] [2024-11-13 14:07:59,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:07:59,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:07:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:07:59,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:07:59,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:07:59,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 268 [2024-11-13 14:07:59,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 268 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2024-11-13 14:07:59,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:07:59,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 268 [2024-11-13 14:07:59,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:01,312 INFO L124 PetriNetUnfolderBase]: 2216/6767 cut-off events. [2024-11-13 14:08:01,313 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-11-13 14:08:01,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10471 conditions, 6767 events. 2216/6767 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 63775 event pairs, 879 based on Foata normal form. 92/6154 useless extension candidates. Maximal degree in co-relation 8872. Up to 2089 conditions per place. [2024-11-13 14:08:01,361 INFO L140 encePairwiseOnDemand]: 250/268 looper letters, 46 selfloop transitions, 11 changer transitions 1/291 dead transitions. [2024-11-13 14:08:01,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 291 transitions, 711 flow [2024-11-13 14:08:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 768 transitions. [2024-11-13 14:08:01,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9552238805970149 [2024-11-13 14:08:01,364 INFO L175 Difference]: Start difference. First operand has 269 places, 268 transitions, 546 flow. Second operand 3 states and 768 transitions. [2024-11-13 14:08:01,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 291 transitions, 711 flow [2024-11-13 14:08:01,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 291 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:08:01,369 INFO L231 Difference]: Finished difference. Result has 273 places, 275 transitions, 634 flow [2024-11-13 14:08:01,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=273, PETRI_TRANSITIONS=275} [2024-11-13 14:08:01,373 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 4 predicate places. [2024-11-13 14:08:01,373 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 275 transitions, 634 flow [2024-11-13 14:08:01,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2024-11-13 14:08:01,374 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:01,374 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:01,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:08:01,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:01,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2001522661, now seen corresponding path program 1 times [2024-11-13 14:08:01,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:01,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346447245] [2024-11-13 14:08:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:01,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:01,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:01,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346447245] [2024-11-13 14:08:01,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346447245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:01,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:01,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:01,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478772880] [2024-11-13 14:08:01,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:01,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:01,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:01,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 268 [2024-11-13 14:08:01,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 275 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 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) [2024-11-13 14:08:01,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:01,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 268 [2024-11-13 14:08:01,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:03,510 INFO L124 PetriNetUnfolderBase]: 2480/8568 cut-off events. [2024-11-13 14:08:03,510 INFO L125 PetriNetUnfolderBase]: For 2769/2971 co-relation queries the response was YES. [2024-11-13 14:08:03,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15334 conditions, 8568 events. 2480/8568 cut-off events. For 2769/2971 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 87840 event pairs, 1597 based on Foata normal form. 70/7879 useless extension candidates. Maximal degree in co-relation 13171. Up to 3442 conditions per place. [2024-11-13 14:08:03,592 INFO L140 encePairwiseOnDemand]: 260/268 looper letters, 42 selfloop transitions, 12 changer transitions 0/293 dead transitions. [2024-11-13 14:08:03,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 293 transitions, 802 flow [2024-11-13 14:08:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:03,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-13 14:08:03,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2024-11-13 14:08:03,597 INFO L175 Difference]: Start difference. First operand has 273 places, 275 transitions, 634 flow. Second operand 3 states and 752 transitions. [2024-11-13 14:08:03,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 293 transitions, 802 flow [2024-11-13 14:08:03,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 293 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:03,616 INFO L231 Difference]: Finished difference. Result has 274 places, 285 transitions, 718 flow [2024-11-13 14:08:03,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=718, PETRI_PLACES=274, PETRI_TRANSITIONS=285} [2024-11-13 14:08:03,618 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 5 predicate places. [2024-11-13 14:08:03,618 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 285 transitions, 718 flow [2024-11-13 14:08:03,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.0) internal successors, (714), 3 states have internal predecessors, (714), 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) [2024-11-13 14:08:03,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:03,619 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:03,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:08:03,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:03,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash -664223236, now seen corresponding path program 1 times [2024-11-13 14:08:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:03,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543901826] [2024-11-13 14:08:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:03,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:03,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543901826] [2024-11-13 14:08:03,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543901826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:03,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:03,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:03,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416620824] [2024-11-13 14:08:03,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:03,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:03,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:03,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:03,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:03,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 268 [2024-11-13 14:08:03,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 285 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:03,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:03,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 268 [2024-11-13 14:08:03,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:05,661 INFO L124 PetriNetUnfolderBase]: 1878/7694 cut-off events. [2024-11-13 14:08:05,662 INFO L125 PetriNetUnfolderBase]: For 1145/2107 co-relation queries the response was YES. [2024-11-13 14:08:05,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12624 conditions, 7694 events. 1878/7694 cut-off events. For 1145/2107 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 82703 event pairs, 1092 based on Foata normal form. 7/6765 useless extension candidates. Maximal degree in co-relation 10919. Up to 1725 conditions per place. [2024-11-13 14:08:05,719 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 28 selfloop transitions, 4 changer transitions 0/296 dead transitions. [2024-11-13 14:08:05,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 296 transitions, 804 flow [2024-11-13 14:08:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2024-11-13 14:08:05,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514925373134329 [2024-11-13 14:08:05,725 INFO L175 Difference]: Start difference. First operand has 274 places, 285 transitions, 718 flow. Second operand 3 states and 765 transitions. [2024-11-13 14:08:05,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 296 transitions, 804 flow [2024-11-13 14:08:05,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 296 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:05,742 INFO L231 Difference]: Finished difference. Result has 276 places, 288 transitions, 724 flow [2024-11-13 14:08:05,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=276, PETRI_TRANSITIONS=288} [2024-11-13 14:08:05,745 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 7 predicate places. [2024-11-13 14:08:05,745 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 288 transitions, 724 flow [2024-11-13 14:08:05,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:05,746 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:05,746 INFO L204 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] [2024-11-13 14:08:05,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:08:05,746 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:05,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash -755381443, now seen corresponding path program 1 times [2024-11-13 14:08:05,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:05,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888150884] [2024-11-13 14:08:05,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:05,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:05,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:05,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888150884] [2024-11-13 14:08:05,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888150884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:05,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:05,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:05,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769783806] [2024-11-13 14:08:05,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:05,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:05,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:05,891 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-13 14:08:05,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 288 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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) [2024-11-13 14:08:05,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:05,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-13 14:08:05,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:07,696 INFO L124 PetriNetUnfolderBase]: 2471/9897 cut-off events. [2024-11-13 14:08:07,697 INFO L125 PetriNetUnfolderBase]: For 1661/2638 co-relation queries the response was YES. [2024-11-13 14:08:07,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16720 conditions, 9897 events. 2471/9897 cut-off events. For 1661/2638 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 113409 event pairs, 1347 based on Foata normal form. 12/8729 useless extension candidates. Maximal degree in co-relation 14920. Up to 2431 conditions per place. [2024-11-13 14:08:07,764 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 34 selfloop transitions, 7 changer transitions 0/304 dead transitions. [2024-11-13 14:08:07,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 304 transitions, 853 flow [2024-11-13 14:08:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2024-11-13 14:08:07,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514925373134329 [2024-11-13 14:08:07,767 INFO L175 Difference]: Start difference. First operand has 276 places, 288 transitions, 724 flow. Second operand 3 states and 765 transitions. [2024-11-13 14:08:07,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 304 transitions, 853 flow [2024-11-13 14:08:07,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 304 transitions, 841 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:07,782 INFO L231 Difference]: Finished difference. Result has 278 places, 293 transitions, 772 flow [2024-11-13 14:08:07,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=278, PETRI_TRANSITIONS=293} [2024-11-13 14:08:07,784 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 9 predicate places. [2024-11-13 14:08:07,784 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 293 transitions, 772 flow [2024-11-13 14:08:07,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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) [2024-11-13 14:08:07,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:07,785 INFO L204 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] [2024-11-13 14:08:07,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:08:07,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:07,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:07,786 INFO L85 PathProgramCache]: Analyzing trace with hash -219841403, now seen corresponding path program 1 times [2024-11-13 14:08:07,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:07,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476806731] [2024-11-13 14:08:07,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:07,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:07,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:07,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476806731] [2024-11-13 14:08:07,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476806731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:07,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:07,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:07,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497680150] [2024-11-13 14:08:07,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:07,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:07,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:07,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:07,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:07,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 14:08:07,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 293 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2024-11-13 14:08:07,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:07,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 14:08:07,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:09,885 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][276], [Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 268#true, Black: 272#true, 162#L695-6true, 292#true, Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 270#true, Black: 284#(= |#race~data~0| 0), 203#L712-1true, 287#true]) [2024-11-13 14:08:09,885 INFO L294 olderBase$Statistics]: this new event has 257 ancestors and is cut-off event [2024-11-13 14:08:09,885 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:09,885 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2024-11-13 14:08:09,885 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:09,980 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [38#L697true, Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 268#true, Black: 272#true, 292#true, Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 270#true, 203#L712-1true, Black: 284#(= |#race~data~0| 0), 287#true]) [2024-11-13 14:08:09,980 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2024-11-13 14:08:09,981 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:09,981 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-13 14:08:09,981 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:10,019 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 268#true, Black: 272#true, 292#true, Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 266#L697-3true, 226#L695-2true, 270#true, 203#L712-1true, Black: 284#(= |#race~data~0| 0), 287#true]) [2024-11-13 14:08:10,019 INFO L294 olderBase$Statistics]: this new event has 259 ancestors and is cut-off event [2024-11-13 14:08:10,019 INFO L297 olderBase$Statistics]: existing Event has 259 ancestors and is cut-off event [2024-11-13 14:08:10,019 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2024-11-13 14:08:10,019 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2024-11-13 14:08:10,314 INFO L124 PetriNetUnfolderBase]: 4089/13250 cut-off events. [2024-11-13 14:08:10,315 INFO L125 PetriNetUnfolderBase]: For 5704/6098 co-relation queries the response was YES. [2024-11-13 14:08:10,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25634 conditions, 13250 events. 4089/13250 cut-off events. For 5704/6098 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 146617 event pairs, 2075 based on Foata normal form. 79/11933 useless extension candidates. Maximal degree in co-relation 21564. Up to 5204 conditions per place. [2024-11-13 14:08:10,376 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 49 selfloop transitions, 19 changer transitions 0/319 dead transitions. [2024-11-13 14:08:10,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 319 transitions, 1009 flow [2024-11-13 14:08:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2024-11-13 14:08:10,382 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.945273631840796 [2024-11-13 14:08:10,382 INFO L175 Difference]: Start difference. First operand has 278 places, 293 transitions, 772 flow. Second operand 3 states and 760 transitions. [2024-11-13 14:08:10,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 319 transitions, 1009 flow [2024-11-13 14:08:10,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 319 transitions, 995 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:10,392 INFO L231 Difference]: Finished difference. Result has 280 places, 308 transitions, 940 flow [2024-11-13 14:08:10,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=940, PETRI_PLACES=280, PETRI_TRANSITIONS=308} [2024-11-13 14:08:10,394 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 11 predicate places. [2024-11-13 14:08:10,394 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 308 transitions, 940 flow [2024-11-13 14:08:10,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2024-11-13 14:08:10,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:10,396 INFO L204 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] [2024-11-13 14:08:10,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:08:10,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:10,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1046914691, now seen corresponding path program 1 times [2024-11-13 14:08:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:10,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276767359] [2024-11-13 14:08:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:10,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:10,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276767359] [2024-11-13 14:08:10,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276767359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:08:10,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782574260] [2024-11-13 14:08:10,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:10,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:08:10,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:10,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:08:10,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:08:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:11,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:08:11,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:11,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:08:11,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782574260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:11,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:08:11,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 14:08:11,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355608638] [2024-11-13 14:08:11,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:11,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:08:11,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:11,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:08:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:08:11,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 268 [2024-11-13 14:08:11,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 308 transitions, 940 flow. Second operand has 5 states, 5 states have (on average 241.4) internal successors, (1207), 5 states have internal predecessors, (1207), 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) [2024-11-13 14:08:11,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:11,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 268 [2024-11-13 14:08:11,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:14,045 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][287], [Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 297#true, Black: 272#true, 268#true, 162#L695-6true, 292#true, Black: 294#(= |threadThread1of2ForFork0_#t~nondet5| |#race~threads_alive~0|), Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 203#L712-1true, 270#true, Black: 284#(= |#race~data~0| 0)]) [2024-11-13 14:08:14,046 INFO L294 olderBase$Statistics]: this new event has 257 ancestors and is cut-off event [2024-11-13 14:08:14,046 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:14,046 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2024-11-13 14:08:14,046 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:14,050 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][287], [Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), Black: 272#true, 268#true, 162#L695-6true, 292#true, Black: 294#(= |threadThread1of2ForFork0_#t~nondet5| |#race~threads_alive~0|), 301#(<= 1 ~threads_alive~0), Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 203#L712-1true, Black: 284#(= |#race~data~0| 0), 270#true]) [2024-11-13 14:08:14,050 INFO L294 olderBase$Statistics]: this new event has 257 ancestors and is cut-off event [2024-11-13 14:08:14,050 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:14,050 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2024-11-13 14:08:14,050 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is cut-off event [2024-11-13 14:08:14,297 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [38#L697true, Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 297#true, Black: 272#true, 268#true, 292#true, Black: 294#(= |threadThread1of2ForFork0_#t~nondet5| |#race~threads_alive~0|), Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 203#L712-1true, 270#true, Black: 284#(= |#race~data~0| 0)]) [2024-11-13 14:08:14,297 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2024-11-13 14:08:14,297 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:14,297 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:14,297 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-13 14:08:14,300 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([726] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [38#L697true, Black: 289#(= |threadThread1of2ForFork0_#t~nondet2| |#race~data~0|), 268#true, Black: 272#true, 292#true, 301#(<= 1 ~threads_alive~0), Black: 294#(= |threadThread1of2ForFork0_#t~nondet5| |#race~threads_alive~0|), Black: 279#(= |#race~threads_alive~0| |ULTIMATE.start_main_#t~nondet10#1|), 226#L695-2true, 203#L712-1true, Black: 284#(= |#race~data~0| 0), 270#true]) [2024-11-13 14:08:14,300 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2024-11-13 14:08:14,300 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:14,300 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-13 14:08:14,300 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-13 14:08:14,878 INFO L124 PetriNetUnfolderBase]: 5622/18921 cut-off events. [2024-11-13 14:08:14,879 INFO L125 PetriNetUnfolderBase]: For 10146/11356 co-relation queries the response was YES. [2024-11-13 14:08:14,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38398 conditions, 18921 events. 5622/18921 cut-off events. For 10146/11356 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 229258 event pairs, 1257 based on Foata normal form. 132/17173 useless extension candidates. Maximal degree in co-relation 30507. Up to 3127 conditions per place. [2024-11-13 14:08:14,984 INFO L140 encePairwiseOnDemand]: 260/268 looper letters, 69 selfloop transitions, 14 changer transitions 3/367 dead transitions. [2024-11-13 14:08:14,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 367 transitions, 1231 flow [2024-11-13 14:08:14,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:08:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 14:08:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1760 transitions. [2024-11-13 14:08:14,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381663113006397 [2024-11-13 14:08:14,989 INFO L175 Difference]: Start difference. First operand has 280 places, 308 transitions, 940 flow. Second operand 7 states and 1760 transitions. [2024-11-13 14:08:14,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 367 transitions, 1231 flow [2024-11-13 14:08:15,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 367 transitions, 1193 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:15,063 INFO L231 Difference]: Finished difference. Result has 287 places, 321 transitions, 981 flow [2024-11-13 14:08:15,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=981, PETRI_PLACES=287, PETRI_TRANSITIONS=321} [2024-11-13 14:08:15,064 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 18 predicate places. [2024-11-13 14:08:15,064 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 321 transitions, 981 flow [2024-11-13 14:08:15,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 241.4) internal successors, (1207), 5 states have internal predecessors, (1207), 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) [2024-11-13 14:08:15,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:15,066 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:15,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:08:15,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:08:15,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:15,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1021765268, now seen corresponding path program 1 times [2024-11-13 14:08:15,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:15,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764459560] [2024-11-13 14:08:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 14:08:15,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:15,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764459560] [2024-11-13 14:08:15,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764459560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:15,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:15,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:08:15,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904413887] [2024-11-13 14:08:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:15,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:08:15,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:15,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:08:15,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:08:16,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 268 [2024-11-13 14:08:16,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 321 transitions, 981 flow. Second operand has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 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) [2024-11-13 14:08:16,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:16,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 268 [2024-11-13 14:08:16,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:16,566 INFO L124 PetriNetUnfolderBase]: 216/1819 cut-off events. [2024-11-13 14:08:16,566 INFO L125 PetriNetUnfolderBase]: For 464/477 co-relation queries the response was YES. [2024-11-13 14:08:16,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3234 conditions, 1819 events. 216/1819 cut-off events. For 464/477 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12796 event pairs, 65 based on Foata normal form. 79/1819 useless extension candidates. Maximal degree in co-relation 2647. Up to 212 conditions per place. [2024-11-13 14:08:16,575 INFO L140 encePairwiseOnDemand]: 256/268 looper letters, 11 selfloop transitions, 12 changer transitions 0/281 dead transitions. [2024-11-13 14:08:16,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 281 transitions, 774 flow [2024-11-13 14:08:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:08:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:08:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1263 transitions. [2024-11-13 14:08:16,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9425373134328359 [2024-11-13 14:08:16,579 INFO L175 Difference]: Start difference. First operand has 287 places, 321 transitions, 981 flow. Second operand 5 states and 1263 transitions. [2024-11-13 14:08:16,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 281 transitions, 774 flow [2024-11-13 14:08:16,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 281 transitions, 726 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-13 14:08:16,590 INFO L231 Difference]: Finished difference. Result has 279 places, 276 transitions, 689 flow [2024-11-13 14:08:16,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=689, PETRI_PLACES=279, PETRI_TRANSITIONS=276} [2024-11-13 14:08:16,592 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 10 predicate places. [2024-11-13 14:08:16,592 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 276 transitions, 689 flow [2024-11-13 14:08:16,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 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) [2024-11-13 14:08:16,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:16,593 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:16,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:08:16,594 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:16,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:16,594 INFO L85 PathProgramCache]: Analyzing trace with hash 432112806, now seen corresponding path program 1 times [2024-11-13 14:08:16,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:16,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740183344] [2024-11-13 14:08:16,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 14:08:16,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:16,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740183344] [2024-11-13 14:08:16,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740183344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:16,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:16,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:16,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068259136] [2024-11-13 14:08:16,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:16,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:16,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:16,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:16,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:16,714 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-13 14:08:16,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 276 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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) [2024-11-13 14:08:16,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:16,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-13 14:08:16,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:17,284 INFO L124 PetriNetUnfolderBase]: 647/2743 cut-off events. [2024-11-13 14:08:17,284 INFO L125 PetriNetUnfolderBase]: For 858/870 co-relation queries the response was YES. [2024-11-13 14:08:17,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5223 conditions, 2743 events. 647/2743 cut-off events. For 858/870 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 21858 event pairs, 351 based on Foata normal form. 0/2598 useless extension candidates. Maximal degree in co-relation 4638. Up to 908 conditions per place. [2024-11-13 14:08:17,294 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 34 selfloop transitions, 7 changer transitions 0/290 dead transitions. [2024-11-13 14:08:17,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 290 transitions, 823 flow [2024-11-13 14:08:17,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 764 transitions. [2024-11-13 14:08:17,296 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9502487562189055 [2024-11-13 14:08:17,296 INFO L175 Difference]: Start difference. First operand has 279 places, 276 transitions, 689 flow. Second operand 3 states and 764 transitions. [2024-11-13 14:08:17,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 290 transitions, 823 flow [2024-11-13 14:08:17,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 290 transitions, 802 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:08:17,305 INFO L231 Difference]: Finished difference. Result has 280 places, 280 transitions, 730 flow [2024-11-13 14:08:17,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=280, PETRI_TRANSITIONS=280} [2024-11-13 14:08:17,306 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 11 predicate places. [2024-11-13 14:08:17,306 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 280 transitions, 730 flow [2024-11-13 14:08:17,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 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) [2024-11-13 14:08:17,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:17,307 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:17,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:08:17,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:17,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:17,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1676839053, now seen corresponding path program 1 times [2024-11-13 14:08:17,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:17,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575076165] [2024-11-13 14:08:17,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:17,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 14:08:17,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:17,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575076165] [2024-11-13 14:08:17,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575076165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:17,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:17,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:08:17,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499557042] [2024-11-13 14:08:17,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:17,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:17,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:17,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:17,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:17,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 268 [2024-11-13 14:08:17,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 280 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:17,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:17,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 268 [2024-11-13 14:08:17,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:18,311 INFO L124 PetriNetUnfolderBase]: 335/2651 cut-off events. [2024-11-13 14:08:18,311 INFO L125 PetriNetUnfolderBase]: For 736/803 co-relation queries the response was YES. [2024-11-13 14:08:18,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4551 conditions, 2651 events. 335/2651 cut-off events. For 736/803 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 22789 event pairs, 62 based on Foata normal form. 12/2581 useless extension candidates. Maximal degree in co-relation 3284. Up to 495 conditions per place. [2024-11-13 14:08:18,322 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 21 selfloop transitions, 9 changer transitions 0/293 dead transitions. [2024-11-13 14:08:18,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 293 transitions, 831 flow [2024-11-13 14:08:18,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-13 14:08:18,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9651741293532339 [2024-11-13 14:08:18,325 INFO L175 Difference]: Start difference. First operand has 280 places, 280 transitions, 730 flow. Second operand 3 states and 776 transitions. [2024-11-13 14:08:18,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 293 transitions, 831 flow [2024-11-13 14:08:18,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 293 transitions, 817 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:08:18,334 INFO L231 Difference]: Finished difference. Result has 281 places, 287 transitions, 776 flow [2024-11-13 14:08:18,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=281, PETRI_TRANSITIONS=287} [2024-11-13 14:08:18,335 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 12 predicate places. [2024-11-13 14:08:18,335 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 287 transitions, 776 flow [2024-11-13 14:08:18,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:08:18,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:18,336 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:18,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:08:18,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:18,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2097637743, now seen corresponding path program 2 times [2024-11-13 14:08:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:18,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527255163] [2024-11-13 14:08:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 14:08:18,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527255163] [2024-11-13 14:08:18,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527255163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:08:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411338335] [2024-11-13 14:08:18,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:08:18,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:08:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:08:18,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:08:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:08:19,094 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 14:08:19,095 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:08:19,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:08:19,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:08:19,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 14:08:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 14:08:19,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 14:08:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 14:08:19,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:08:19,979 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1108 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#threads_alive_mutex~0.base| v_ArrVal_1108) |c_~#data_mutex~0.base|) |c_~#data_mutex~0.offset|) 0))) is different from false [2024-11-13 14:08:20,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 14:08:20,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-11-13 14:08:20,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-13 14:08:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 11 not checked. [2024-11-13 14:08:20,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411338335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:08:20,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:08:20,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-13 14:08:20,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815630692] [2024-11-13 14:08:20,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:08:20,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:08:20,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:20,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:08:20,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=76, Unknown=1, NotChecked=18, Total=132 [2024-11-13 14:08:20,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 268 [2024-11-13 14:08:20,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 287 transitions, 776 flow. Second operand has 12 states, 12 states have (on average 235.58333333333334) internal successors, (2827), 12 states have internal predecessors, (2827), 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) [2024-11-13 14:08:20,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:20,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 268 [2024-11-13 14:08:20,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:21,048 INFO L124 PetriNetUnfolderBase]: 192/1871 cut-off events. [2024-11-13 14:08:21,048 INFO L125 PetriNetUnfolderBase]: For 618/716 co-relation queries the response was YES. [2024-11-13 14:08:21,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3368 conditions, 1871 events. 192/1871 cut-off events. For 618/716 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 13565 event pairs, 18 based on Foata normal form. 47/1873 useless extension candidates. Maximal degree in co-relation 2320. Up to 250 conditions per place. [2024-11-13 14:08:21,059 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 44 selfloop transitions, 8 changer transitions 2/296 dead transitions. [2024-11-13 14:08:21,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 296 transitions, 911 flow [2024-11-13 14:08:21,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:08:21,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:08:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1202 transitions. [2024-11-13 14:08:21,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8970149253731343 [2024-11-13 14:08:21,062 INFO L175 Difference]: Start difference. First operand has 281 places, 287 transitions, 776 flow. Second operand 5 states and 1202 transitions. [2024-11-13 14:08:21,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 296 transitions, 911 flow [2024-11-13 14:08:21,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 296 transitions, 900 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-13 14:08:21,070 INFO L231 Difference]: Finished difference. Result has 284 places, 283 transitions, 757 flow [2024-11-13 14:08:21,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=757, PETRI_PLACES=284, PETRI_TRANSITIONS=283} [2024-11-13 14:08:21,071 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 15 predicate places. [2024-11-13 14:08:21,072 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 283 transitions, 757 flow [2024-11-13 14:08:21,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 235.58333333333334) internal successors, (2827), 12 states have internal predecessors, (2827), 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) [2024-11-13 14:08:21,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:21,074 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:21,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:08:21,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_507b09e1-3313-4676-9b0a-ac25a4abe2fd/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 14:08:21,278 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:21,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:21,279 INFO L85 PathProgramCache]: Analyzing trace with hash -177119698, now seen corresponding path program 1 times [2024-11-13 14:08:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774951467] [2024-11-13 14:08:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 14:08:21,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:21,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774951467] [2024-11-13 14:08:21,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774951467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:21,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:21,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:21,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855000829] [2024-11-13 14:08:21,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:21,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:21,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:21,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:21,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-13 14:08:21,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 283 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2024-11-13 14:08:21,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:21,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-13 14:08:21,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:21,909 INFO L124 PetriNetUnfolderBase]: 304/2288 cut-off events. [2024-11-13 14:08:21,909 INFO L125 PetriNetUnfolderBase]: For 1332/1424 co-relation queries the response was YES. [2024-11-13 14:08:21,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4566 conditions, 2288 events. 304/2288 cut-off events. For 1332/1424 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 18045 event pairs, 154 based on Foata normal form. 3/2230 useless extension candidates. Maximal degree in co-relation 3773. Up to 664 conditions per place. [2024-11-13 14:08:21,923 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 37 selfloop transitions, 2 changer transitions 2/285 dead transitions. [2024-11-13 14:08:21,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 285 transitions, 851 flow [2024-11-13 14:08:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 743 transitions. [2024-11-13 14:08:21,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9241293532338308 [2024-11-13 14:08:21,926 INFO L175 Difference]: Start difference. First operand has 284 places, 283 transitions, 757 flow. Second operand 3 states and 743 transitions. [2024-11-13 14:08:21,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 285 transitions, 851 flow [2024-11-13 14:08:21,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 285 transitions, 839 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:08:21,937 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 742 flow [2024-11-13 14:08:21,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=282, PETRI_TRANSITIONS=280} [2024-11-13 14:08:21,938 INFO L277 CegarLoopForPetriNet]: 269 programPoint places, 13 predicate places. [2024-11-13 14:08:21,938 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 742 flow [2024-11-13 14:08:21,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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) [2024-11-13 14:08:21,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:21,939 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:21,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:08:21,940 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-13 14:08:21,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1583313481, now seen corresponding path program 1 times [2024-11-13 14:08:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073558396] [2024-11-13 14:08:21,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:21,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:22,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:08:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:08:22,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:08:22,113 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:08:22,113 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2024-11-13 14:08:22,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-13 14:08:22,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-13 14:08:22,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-13 14:08:22,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-13 14:08:22,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2024-11-13 14:08:22,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2024-11-13 14:08:22,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-13 14:08:22,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-13 14:08:22,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:08:22,116 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:22,117 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 14:08:22,117 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 14:08:22,162 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:08:22,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 298 transitions, 614 flow [2024-11-13 14:08:22,257 INFO L124 PetriNetUnfolderBase]: 13/440 cut-off events. [2024-11-13 14:08:22,257 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 14:08:22,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 440 events. 13/440 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 580 event pairs, 0 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 364. Up to 8 conditions per place. [2024-11-13 14:08:22,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 301 places, 298 transitions, 614 flow [2024-11-13 14:08:22,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 298 transitions, 614 flow [2024-11-13 14:08:22,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:08:22,267 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;@4ba070cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:08:22,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-13 14:08:22,284 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:08:22,285 INFO L124 PetriNetUnfolderBase]: 2/166 cut-off events. [2024-11-13 14:08:22,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:08:22,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:22,285 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:22,285 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-13 14:08:22,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:22,286 INFO L85 PathProgramCache]: Analyzing trace with hash 886157035, now seen corresponding path program 1 times [2024-11-13 14:08:22,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:22,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591477237] [2024-11-13 14:08:22,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:22,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:22,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:22,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591477237] [2024-11-13 14:08:22,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591477237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:22,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:22,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:22,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261408328] [2024-11-13 14:08:22,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:22,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:22,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:22,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:22,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 298 [2024-11-13 14:08:22,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 298 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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) [2024-11-13 14:08:22,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:22,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 298 [2024-11-13 14:08:22,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:37,243 INFO L124 PetriNetUnfolderBase]: 35239/79081 cut-off events. [2024-11-13 14:08:37,243 INFO L125 PetriNetUnfolderBase]: For 973/973 co-relation queries the response was YES. [2024-11-13 14:08:37,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129893 conditions, 79081 events. 35239/79081 cut-off events. For 973/973 co-relation queries the response was YES. Maximal size of possible extension queue 2925. Compared 957057 event pairs, 14941 based on Foata normal form. 986/71992 useless extension candidates. Maximal degree in co-relation 109153. Up to 27933 conditions per place. [2024-11-13 14:08:37,696 INFO L140 encePairwiseOnDemand]: 276/298 looper letters, 60 selfloop transitions, 14 changer transitions 1/329 dead transitions. [2024-11-13 14:08:37,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 329 transitions, 836 flow [2024-11-13 14:08:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:08:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:08:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 849 transitions. [2024-11-13 14:08:37,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9496644295302014 [2024-11-13 14:08:37,699 INFO L175 Difference]: Start difference. First operand has 301 places, 298 transitions, 614 flow. Second operand 3 states and 849 transitions. [2024-11-13 14:08:37,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 329 transitions, 836 flow [2024-11-13 14:08:37,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 329 transitions, 832 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-11-13 14:08:37,710 INFO L231 Difference]: Finished difference. Result has 305 places, 308 transitions, 726 flow [2024-11-13 14:08:37,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=305, PETRI_TRANSITIONS=308} [2024-11-13 14:08:37,711 INFO L277 CegarLoopForPetriNet]: 301 programPoint places, 4 predicate places. [2024-11-13 14:08:37,711 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 308 transitions, 726 flow [2024-11-13 14:08:37,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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) [2024-11-13 14:08:37,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:08:37,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:08:37,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:08:37,712 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-11-13 14:08:37,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:08:37,713 INFO L85 PathProgramCache]: Analyzing trace with hash -619912507, now seen corresponding path program 1 times [2024-11-13 14:08:37,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:08:37,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512950527] [2024-11-13 14:08:37,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:08:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:08:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:08:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:08:37,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:08:37,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512950527] [2024-11-13 14:08:37,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512950527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:08:37,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:08:37,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:08:37,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560855649] [2024-11-13 14:08:37,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:08:37,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:08:37,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:08:37,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:08:37,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:08:37,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 298 [2024-11-13 14:08:37,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 308 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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) [2024-11-13 14:08:37,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:08:37,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 298 [2024-11-13 14:08:37,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:08:44,253 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 33#L691-3true, 298#true, 224#L695-2true, 302#true, 309#true, 138#L695-1true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:44,253 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,253 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,253 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,253 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,253 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 33#L691-3true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0), 81#L695-1true]) [2024-11-13 14:08:44,253 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 33#L691-3true, 298#true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:44,254 INFO L294 olderBase$Statistics]: this new event has 282 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:44,254 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:44,980 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 33#L691-3true, 302#true, 309#true, 242#L695-2true, 300#true, 222#L712-1true, 81#L695-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:44,980 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,980 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,980 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,980 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,980 INFO L297 olderBase$Statistics]: existing Event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,982 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 33#L691-3true, 298#true, 224#L695-2true, 302#true, 138#L695-1true, 309#true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:44,982 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,982 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,982 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:44,982 INFO L297 olderBase$Statistics]: existing Event has 281 ancestors and is cut-off event [2024-11-13 14:08:44,983 INFO L297 olderBase$Statistics]: existing Event has 276 ancestors and is cut-off event [2024-11-13 14:08:45,333 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 33#L691-3true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:45,334 INFO L294 olderBase$Statistics]: this new event has 282 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 282 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 33#L691-3true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:45,334 INFO L294 olderBase$Statistics]: this new event has 282 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:45,334 INFO L297 olderBase$Statistics]: existing Event has 282 ancestors and is cut-off event [2024-11-13 14:08:45,335 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2024-11-13 14:08:46,748 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 33#L691-3true, 302#true, 309#true, 300#true, 105#L695-5true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:46,748 INFO L294 olderBase$Statistics]: this new event has 285 ancestors and is cut-off event [2024-11-13 14:08:46,748 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2024-11-13 14:08:46,748 INFO L297 olderBase$Statistics]: existing Event has 285 ancestors and is cut-off event [2024-11-13 14:08:46,748 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2024-11-13 14:08:46,751 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 33#L691-3true, 44#L695-5true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:46,751 INFO L294 olderBase$Statistics]: this new event has 285 ancestors and is cut-off event [2024-11-13 14:08:46,751 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2024-11-13 14:08:46,751 INFO L297 olderBase$Statistics]: existing Event has 285 ancestors and is cut-off event [2024-11-13 14:08:46,751 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2024-11-13 14:08:48,290 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 33#L691-3true, 302#true, 309#true, 250#L697-3true, 300#true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:48,290 INFO L294 olderBase$Statistics]: this new event has 288 ancestors and is cut-off event [2024-11-13 14:08:48,290 INFO L297 olderBase$Statistics]: existing Event has 283 ancestors and is cut-off event [2024-11-13 14:08:48,290 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:48,290 INFO L297 olderBase$Statistics]: existing Event has 283 ancestors and is cut-off event [2024-11-13 14:08:48,294 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 33#L691-3true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 127#L697-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:48,294 INFO L294 olderBase$Statistics]: this new event has 288 ancestors and is cut-off event [2024-11-13 14:08:48,294 INFO L297 olderBase$Statistics]: existing Event has 283 ancestors and is cut-off event [2024-11-13 14:08:48,294 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:48,294 INFO L297 olderBase$Statistics]: existing Event has 283 ancestors and is cut-off event [2024-11-13 14:08:49,140 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 309#true, 138#L695-1true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:49,141 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0), 81#L695-1true]) [2024-11-13 14:08:49,141 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:49,141 INFO L294 olderBase$Statistics]: this new event has 292 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:49,141 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:49,793 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 159#L693-3true, 222#L712-1true, 81#L695-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:49,793 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,793 INFO L297 olderBase$Statistics]: existing Event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,793 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,793 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,793 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,795 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 138#L695-1true, 309#true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:49,795 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,795 INFO L297 olderBase$Statistics]: existing Event has 291 ancestors and is cut-off event [2024-11-13 14:08:49,795 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,795 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:49,796 INFO L297 olderBase$Statistics]: existing Event has 286 ancestors and is cut-off event [2024-11-13 14:08:50,123 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,124 INFO L294 olderBase$Statistics]: this new event has 292 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,124 INFO L294 olderBase$Statistics]: this new event has 292 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:50,124 INFO L297 olderBase$Statistics]: existing Event has 287 ancestors and is cut-off event [2024-11-13 14:08:50,127 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 138#L695-1true, 309#true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,127 INFO L294 olderBase$Statistics]: this new event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,127 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,127 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0), 81#L695-1true]) [2024-11-13 14:08:50,128 INFO L294 olderBase$Statistics]: this new event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,128 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:50,128 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:50,455 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 267#L694-3true, 222#L712-1true, 81#L695-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,456 INFO L294 olderBase$Statistics]: this new event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,456 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,456 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,456 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,456 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,458 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 138#L695-1true, 309#true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:50,458 INFO L294 olderBase$Statistics]: this new event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,458 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,458 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:50,458 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:50,458 INFO L297 olderBase$Statistics]: existing Event has 288 ancestors and is cut-off event [2024-11-13 14:08:51,127 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [Black: 304#true, 298#true, 224#L695-2true, 302#true, 309#true, 242#L695-2true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:51,127 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is cut-off event [2024-11-13 14:08:51,127 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:51,127 INFO L297 olderBase$Statistics]: existing Event has 294 ancestors and is cut-off event [2024-11-13 14:08:51,127 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:51,127 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:51,128 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][178], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 309#true, 242#L695-2true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:51,128 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is cut-off event [2024-11-13 14:08:51,128 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:51,128 INFO L297 olderBase$Statistics]: existing Event has 289 ancestors and is cut-off event [2024-11-13 14:08:51,128 INFO L297 olderBase$Statistics]: existing Event has 294 ancestors and is cut-off event [2024-11-13 14:08:51,474 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 309#true, 300#true, 105#L695-5true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:51,474 INFO L294 olderBase$Statistics]: this new event has 295 ancestors and is cut-off event [2024-11-13 14:08:51,474 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:51,474 INFO L297 olderBase$Statistics]: existing Event has 290 ancestors and is cut-off event [2024-11-13 14:08:51,474 INFO L297 olderBase$Statistics]: existing Event has 290 ancestors and is cut-off event [2024-11-13 14:08:51,478 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 44#L695-5true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:51,478 INFO L294 olderBase$Statistics]: this new event has 295 ancestors and is cut-off event [2024-11-13 14:08:51,478 INFO L297 olderBase$Statistics]: existing Event has 290 ancestors and is cut-off event [2024-11-13 14:08:51,478 INFO L297 olderBase$Statistics]: existing Event has 290 ancestors and is cut-off event [2024-11-13 14:08:51,478 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:52,181 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 309#true, 300#true, 105#L695-5true, 222#L712-1true, 267#L694-3true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:52,181 INFO L294 olderBase$Statistics]: this new event has 297 ancestors and is cut-off event [2024-11-13 14:08:52,182 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:52,182 INFO L297 olderBase$Statistics]: existing Event has 297 ancestors and is cut-off event [2024-11-13 14:08:52,182 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:52,186 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 44#L695-5true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 222#L712-1true, 267#L694-3true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:52,186 INFO L294 olderBase$Statistics]: this new event has 297 ancestors and is cut-off event [2024-11-13 14:08:52,186 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:52,186 INFO L297 olderBase$Statistics]: existing Event has 292 ancestors and is cut-off event [2024-11-13 14:08:52,186 INFO L297 olderBase$Statistics]: existing Event has 297 ancestors and is cut-off event [2024-11-13 14:08:52,789 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 309#true, 250#L697-3true, 300#true, 159#L693-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:52,790 INFO L294 olderBase$Statistics]: this new event has 298 ancestors and is cut-off event [2024-11-13 14:08:52,790 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:52,790 INFO L297 olderBase$Statistics]: existing Event has 298 ancestors and is cut-off event [2024-11-13 14:08:52,790 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:52,794 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 159#L693-3true, 127#L697-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:52,794 INFO L294 olderBase$Statistics]: this new event has 298 ancestors and is cut-off event [2024-11-13 14:08:52,794 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:52,794 INFO L297 olderBase$Statistics]: existing Event has 293 ancestors and is cut-off event [2024-11-13 14:08:52,795 INFO L297 olderBase$Statistics]: existing Event has 298 ancestors and is cut-off event [2024-11-13 14:08:53,403 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 250#L697-3true, 309#true, 300#true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:53,403 INFO L294 olderBase$Statistics]: this new event has 300 ancestors and is cut-off event [2024-11-13 14:08:53,403 INFO L297 olderBase$Statistics]: existing Event has 300 ancestors and is cut-off event [2024-11-13 14:08:53,403 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:53,403 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:53,409 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 127#L697-3true, 267#L694-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:53,409 INFO L294 olderBase$Statistics]: this new event has 300 ancestors and is cut-off event [2024-11-13 14:08:53,409 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:53,409 INFO L297 olderBase$Statistics]: existing Event has 300 ancestors and is cut-off event [2024-11-13 14:08:53,409 INFO L297 olderBase$Statistics]: existing Event has 295 ancestors and is cut-off event [2024-11-13 14:08:55,494 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 302#true, 160#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 309#true, 250#L697-3true, 300#true, 127#L697-3true, 222#L712-1true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:55,494 INFO L294 olderBase$Statistics]: this new event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,494 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2024-11-13 14:08:55,494 INFO L297 olderBase$Statistics]: existing Event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,494 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2024-11-13 14:08:55,495 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [220#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, Black: 304#true, 298#true, 302#true, 250#L697-3true, 309#true, 300#true, 222#L712-1true, 279#L697-3true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:55,495 INFO L294 olderBase$Statistics]: this new event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,495 INFO L297 olderBase$Statistics]: existing Event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,495 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2024-11-13 14:08:55,495 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2024-11-13 14:08:55,499 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1024] L713-6-->L712-1: Formula: (= 0 |v_#race~threads_alive~0_7|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_7|} AuxVars[] AssignedVars[#race~threads_alive~0][164], [Black: 304#true, 298#true, 302#true, 309#true, 300#true, 149#threadErr1ASSERT_VIOLATIONDATA_RACEtrue, 127#L697-3true, 222#L712-1true, 279#L697-3true, 306#(= |#race~threads_alive~0| 0)]) [2024-11-13 14:08:55,499 INFO L294 olderBase$Statistics]: this new event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,499 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event [2024-11-13 14:08:55,499 INFO L297 olderBase$Statistics]: existing Event has 309 ancestors and is cut-off event [2024-11-13 14:08:55,499 INFO L297 olderBase$Statistics]: existing Event has 304 ancestors and is cut-off event