./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU --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 4e22d32b1cfbf3e9c404c8b522b2227f299322fc3bbc332086f88ee02736e6fe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:50,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:50,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:18:50,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:50,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:50,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:50,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:50,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:50,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:50,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:50,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:50,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:50,708 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:50,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:50,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:50,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:50,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:50,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:50,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:50,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:50,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:50,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:50,714 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:18:50,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:50,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:50,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:50,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:50,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:50,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:50,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:50,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:50,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:50,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:50,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:50,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:50,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:50,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:50,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:50,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:50,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:50,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:50,721 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e22d32b1cfbf3e9c404c8b522b2227f299322fc3bbc332086f88ee02736e6fe [2024-10-31 22:18:51,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:51,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:51,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:51,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:51,087 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:51,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-3.i Unable to find full path for "g++" [2024-10-31 22:18:53,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:53,319 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:53,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/sv-benchmarks/c/pthread-race-challenges/thread-join-counter-inner-3.i [2024-10-31 22:18:53,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/data/5139a089d/70cb4a4cbf904546acf176248a7e6187/FLAG4fc40d915 [2024-10-31 22:18:53,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/data/5139a089d/70cb4a4cbf904546acf176248a7e6187 [2024-10-31 22:18:53,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:53,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:53,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:53,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:53,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:53,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:53" (1/1) ... [2024-10-31 22:18:53,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a87b38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:53, skipping insertion in model container [2024-10-31 22:18:53,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:53" (1/1) ... [2024-10-31 22:18:53,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:54,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:54,197 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:54,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:54,323 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:54,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54 WrapperNode [2024-10-31 22:18:54,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:54,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:54,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:54,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:54,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,387 INFO L138 Inliner]: procedures = 159, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-10-31 22:18:54,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:54,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:54,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:54,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:54,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:54,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:54,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:54,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:54,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (1/1) ... [2024-10-31 22:18:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:54,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:54,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6680d9c8-a33e-47e6-8750-50cecbd8bfc1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:18:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:18:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-31 22:18:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-31 22:18:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:18:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:54,532 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:18:54,747 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:54,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:55,253 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:18:55,254 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:55,313 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:55,314 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:18:55,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:55 BoogieIcfgContainer [2024-10-31 22:18:55,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:55,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:55,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:55,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:55,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:53" (1/3) ... [2024-10-31 22:18:55,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53197165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:55, skipping insertion in model container [2024-10-31 22:18:55,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:54" (2/3) ... [2024-10-31 22:18:55,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53197165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:55, skipping insertion in model container [2024-10-31 22:18:55,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:55" (3/3) ... [2024-10-31 22:18:55,327 INFO L112 eAbstractionObserver]: Analyzing ICFG thread-join-counter-inner-3.i [2024-10-31 22:18:55,370 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:55,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2024-10-31 22:18:55,370 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:18:55,499 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:55,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 266 transitions, 536 flow [2024-10-31 22:18:55,720 INFO L124 PetriNetUnfolderBase]: 9/303 cut-off events. [2024-10-31 22:18:55,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:55,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 303 events. 9/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 359 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 196. Up to 4 conditions per place. [2024-10-31 22:18:55,729 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 266 transitions, 536 flow [2024-10-31 22:18:55,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 266 transitions, 536 flow [2024-10-31 22:18:55,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:55,763 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;@65300e47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:55,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-31 22:18:55,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:55,835 INFO L124 PetriNetUnfolderBase]: 2/177 cut-off events. [2024-10-31 22:18:55,835 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:55,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:55,836 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] [2024-10-31 22:18:55,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-10-31 22:18:55,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1951071055, now seen corresponding path program 1 times [2024-10-31 22:18:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:55,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122408594] [2024-10-31 22:18:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:56,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:56,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122408594] [2024-10-31 22:18:56,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122408594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:56,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:56,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:56,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868251177] [2024-10-31 22:18:56,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:56,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:56,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:56,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:56,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 266 [2024-10-31 22:18:56,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 266 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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) [2024-10-31 22:18:56,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:56,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 266 [2024-10-31 22:18:56,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:56,904 INFO L124 PetriNetUnfolderBase]: 151/935 cut-off events. [2024-10-31 22:18:56,905 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:18:56,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 935 events. 151/935 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4878 event pairs, 95 based on Foata normal form. 26/842 useless extension candidates. Maximal degree in co-relation 1042. Up to 261 conditions per place. [2024-10-31 22:18:56,915 INFO L140 encePairwiseOnDemand]: 257/266 looper letters, 34 selfloop transitions, 4 changer transitions 1/275 dead transitions. [2024-10-31 22:18:56,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 275 transitions, 630 flow [2024-10-31 22:18:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2024-10-31 22:18:56,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461152882205514 [2024-10-31 22:18:56,937 INFO L175 Difference]: Start difference. First operand has 263 places, 266 transitions, 536 flow. Second operand 3 states and 755 transitions. [2024-10-31 22:18:56,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 275 transitions, 630 flow [2024-10-31 22:18:56,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 275 transitions, 630 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:18:56,955 INFO L231 Difference]: Finished difference. Result has 267 places, 264 transitions, 556 flow [2024-10-31 22:18:56,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=267, PETRI_TRANSITIONS=264} [2024-10-31 22:18:56,964 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 4 predicate places. [2024-10-31 22:18:56,964 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 264 transitions, 556 flow [2024-10-31 22:18:56,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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) [2024-10-31 22:18:56,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:56,966 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] [2024-10-31 22:18:56,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:56,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-10-31 22:18:56,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 152599240, now seen corresponding path program 1 times [2024-10-31 22:18:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133415154] [2024-10-31 22:18:56,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:56,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:57,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:57,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133415154] [2024-10-31 22:18:57,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133415154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:57,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:57,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:57,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285063870] [2024-10-31 22:18:57,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:57,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:57,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:57,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:57,210 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 266 [2024-10-31 22:18:57,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 264 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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) [2024-10-31 22:18:57,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:57,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 266 [2024-10-31 22:18:57,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:57,588 INFO L124 PetriNetUnfolderBase]: 222/1226 cut-off events. [2024-10-31 22:18:57,588 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:18:57,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 1226 events. 222/1226 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7485 event pairs, 60 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1510. Up to 239 conditions per place. [2024-10-31 22:18:57,598 INFO L140 encePairwiseOnDemand]: 257/266 looper letters, 40 selfloop transitions, 6 changer transitions 0/282 dead transitions. [2024-10-31 22:18:57,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 282 transitions, 684 flow [2024-10-31 22:18:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-10-31 22:18:57,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9411027568922306 [2024-10-31 22:18:57,602 INFO L175 Difference]: Start difference. First operand has 267 places, 264 transitions, 556 flow. Second operand 3 states and 751 transitions. [2024-10-31 22:18:57,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 282 transitions, 684 flow [2024-10-31 22:18:57,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 282 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:57,611 INFO L231 Difference]: Finished difference. Result has 266 places, 266 transitions, 586 flow [2024-10-31 22:18:57,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=266, PETRI_TRANSITIONS=266} [2024-10-31 22:18:57,613 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 3 predicate places. [2024-10-31 22:18:57,613 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 266 transitions, 586 flow [2024-10-31 22:18:57,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 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) [2024-10-31 22:18:57,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:57,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:57,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:57,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-10-31 22:18:57,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1876702382, now seen corresponding path program 1 times [2024-10-31 22:18:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:57,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421944161] [2024-10-31 22:18:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:57,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421944161] [2024-10-31 22:18:57,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421944161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:57,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:57,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941984566] [2024-10-31 22:18:57,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:57,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:57,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:57,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:57,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:57,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 266 [2024-10-31 22:18:57,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 266 transitions, 586 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) [2024-10-31 22:18:57,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:57,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 266 [2024-10-31 22:18:57,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:18:58,138 INFO L124 PetriNetUnfolderBase]: 244/1272 cut-off events. [2024-10-31 22:18:58,138 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-10-31 22:18:58,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1965 conditions, 1272 events. 244/1272 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 7786 event pairs, 131 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 1748. Up to 426 conditions per place. [2024-10-31 22:18:58,150 INFO L140 encePairwiseOnDemand]: 261/266 looper letters, 34 selfloop transitions, 5 changer transitions 0/276 dead transitions. [2024-10-31 22:18:58,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 276 transitions, 690 flow [2024-10-31 22:18:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:18:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2024-10-31 22:18:58,153 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323308270676691 [2024-10-31 22:18:58,154 INFO L175 Difference]: Start difference. First operand has 266 places, 266 transitions, 586 flow. Second operand 3 states and 744 transitions. [2024-10-31 22:18:58,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 276 transitions, 690 flow [2024-10-31 22:18:58,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 276 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:18:58,161 INFO L231 Difference]: Finished difference. Result has 268 places, 270 transitions, 616 flow [2024-10-31 22:18:58,162 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=266, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=268, PETRI_TRANSITIONS=270} [2024-10-31 22:18:58,163 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 5 predicate places. [2024-10-31 22:18:58,164 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 270 transitions, 616 flow [2024-10-31 22:18:58,165 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) [2024-10-31 22:18:58,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:58,165 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-10-31 22:18:58,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:58,166 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-10-31 22:18:58,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:58,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1946380853, now seen corresponding path program 1 times [2024-10-31 22:18:58,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:58,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121831447] [2024-10-31 22:18:58,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:58,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:58,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:58,376 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:18:58,378 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-10-31 22:18:58,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-10-31 22:18:58,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-10-31 22:18:58,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-10-31 22:18:58,383 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-10-31 22:18:58,384 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-10-31 22:18:58,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-10-31 22:18:58,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-10-31 22:18:58,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2024-10-31 22:18:58,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2024-10-31 22:18:58,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-10-31 22:18:58,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-10-31 22:18:58,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-10-31 22:18:58,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-10-31 22:18:58,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-10-31 22:18:58,389 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-10-31 22:18:58,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:58,390 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:18:58,394 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-31 22:18:58,395 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-31 22:18:58,459 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:18:58,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 324 places, 327 transitions, 664 flow [2024-10-31 22:18:58,557 INFO L124 PetriNetUnfolderBase]: 14/409 cut-off events. [2024-10-31 22:18:58,558 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:18:58,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 409 events. 14/409 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 836 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 304. Up to 6 conditions per place. [2024-10-31 22:18:58,562 INFO L82 GeneralOperation]: Start removeDead. Operand has 324 places, 327 transitions, 664 flow [2024-10-31 22:18:58,568 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 324 places, 327 transitions, 664 flow [2024-10-31 22:18:58,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:58,572 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;@65300e47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:58,572 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-31 22:18:58,590 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:18:58,591 INFO L124 PetriNetUnfolderBase]: 2/177 cut-off events. [2024-10-31 22:18:58,591 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:18:58,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:18:58,592 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] [2024-10-31 22:18:58,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-31 22:18:58,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash -896213448, now seen corresponding path program 1 times [2024-10-31 22:18:58,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:58,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981155014] [2024-10-31 22:18:58,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:58,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:58,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981155014] [2024-10-31 22:18:58,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981155014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:58,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:58,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:58,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117217550] [2024-10-31 22:18:58,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:58,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:58,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:58,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:58,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 327 [2024-10-31 22:18:58,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 327 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 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) [2024-10-31 22:18:58,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:18:58,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 327 [2024-10-31 22:18:58,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:02,777 INFO L124 PetriNetUnfolderBase]: 4288/14236 cut-off events. [2024-10-31 22:19:02,777 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-31 22:19:02,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20701 conditions, 14236 events. 4288/14236 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 158809 event pairs, 3028 based on Foata normal form. 443/12795 useless extension candidates. Maximal degree in co-relation 19387. Up to 5474 conditions per place. [2024-10-31 22:19:02,904 INFO L140 encePairwiseOnDemand]: 316/327 looper letters, 56 selfloop transitions, 5 changer transitions 1/346 dead transitions. [2024-10-31 22:19:02,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 346 transitions, 824 flow [2024-10-31 22:19:02,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-10-31 22:19:02,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9418960244648318 [2024-10-31 22:19:02,910 INFO L175 Difference]: Start difference. First operand has 324 places, 327 transitions, 664 flow. Second operand 3 states and 924 transitions. [2024-10-31 22:19:02,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 346 transitions, 824 flow [2024-10-31 22:19:02,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 346 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:19:02,923 INFO L231 Difference]: Finished difference. Result has 328 places, 325 transitions, 690 flow [2024-10-31 22:19:02,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=328, PETRI_TRANSITIONS=325} [2024-10-31 22:19:02,924 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 4 predicate places. [2024-10-31 22:19:02,925 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 325 transitions, 690 flow [2024-10-31 22:19:02,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 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) [2024-10-31 22:19:02,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:02,926 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] [2024-10-31 22:19:02,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:19:02,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-31 22:19:02,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,928 INFO L85 PathProgramCache]: Analyzing trace with hash 857938316, now seen corresponding path program 1 times [2024-10-31 22:19:02,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651406845] [2024-10-31 22:19:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651406845] [2024-10-31 22:19:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651406845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:03,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526821662] [2024-10-31 22:19:03,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:03,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:03,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:03,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:03,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 327 [2024-10-31 22:19:03,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 325 transitions, 690 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-10-31 22:19:03,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:03,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 327 [2024-10-31 22:19:03,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:09,260 INFO L124 PetriNetUnfolderBase]: 11565/32547 cut-off events. [2024-10-31 22:19:09,260 INFO L125 PetriNetUnfolderBase]: For 191/195 co-relation queries the response was YES. [2024-10-31 22:19:09,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51302 conditions, 32547 events. 11565/32547 cut-off events. For 191/195 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 390271 event pairs, 4633 based on Foata normal form. 0/28553 useless extension candidates. Maximal degree in co-relation 40592. Up to 8856 conditions per place. [2024-10-31 22:19:09,462 INFO L140 encePairwiseOnDemand]: 308/327 looper letters, 74 selfloop transitions, 14 changer transitions 0/366 dead transitions. [2024-10-31 22:19:09,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 366 transitions, 953 flow [2024-10-31 22:19:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 918 transitions. [2024-10-31 22:19:09,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9357798165137615 [2024-10-31 22:19:09,466 INFO L175 Difference]: Start difference. First operand has 328 places, 325 transitions, 690 flow. Second operand 3 states and 918 transitions. [2024-10-31 22:19:09,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 366 transitions, 953 flow [2024-10-31 22:19:09,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 366 transitions, 943 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:09,481 INFO L231 Difference]: Finished difference. Result has 329 places, 339 transitions, 802 flow [2024-10-31 22:19:09,481 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=329, PETRI_TRANSITIONS=339} [2024-10-31 22:19:09,482 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 5 predicate places. [2024-10-31 22:19:09,482 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 339 transitions, 802 flow [2024-10-31 22:19:09,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2024-10-31 22:19:09,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:09,483 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] [2024-10-31 22:19:09,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:19:09,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-31 22:19:09,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:09,484 INFO L85 PathProgramCache]: Analyzing trace with hash 454780565, now seen corresponding path program 1 times [2024-10-31 22:19:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547953920] [2024-10-31 22:19:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:09,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:09,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547953920] [2024-10-31 22:19:09,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547953920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:09,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:09,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159325039] [2024-10-31 22:19:09,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:09,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:09,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:09,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:09,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 327 [2024-10-31 22:19:09,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 339 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 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) [2024-10-31 22:19:09,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:09,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 327 [2024-10-31 22:19:09,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:10,977 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][315], [214#L694-7true, Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:10,977 INFO L294 olderBase$Statistics]: this new event has 219 ancestors and is cut-off event [2024-10-31 22:19:10,977 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:10,978 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:10,978 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:11,034 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][315], [Black: 332#true, 214#L694-7true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:11,034 INFO L294 olderBase$Statistics]: this new event has 219 ancestors and is cut-off event [2024-10-31 22:19:11,034 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:11,034 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:11,035 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:11,035 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:11,167 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 318#L696true, 325#true, 216#L724-1true]) [2024-10-31 22:19:11,167 INFO L294 olderBase$Statistics]: this new event has 221 ancestors and is cut-off event [2024-10-31 22:19:11,167 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2024-10-31 22:19:11,168 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2024-10-31 22:19:11,168 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-10-31 22:19:11,228 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 101#L696-3true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:11,229 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2024-10-31 22:19:11,229 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2024-10-31 22:19:11,229 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2024-10-31 22:19:11,229 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2024-10-31 22:19:11,536 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 321#L697-3true, 216#L724-1true]) [2024-10-31 22:19:11,536 INFO L294 olderBase$Statistics]: this new event has 224 ancestors and is cut-off event [2024-10-31 22:19:11,536 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:11,536 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:11,536 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:12,092 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 187#L705-2true, 216#L724-1true]) [2024-10-31 22:19:12,092 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,093 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,093 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,093 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,093 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 279#L699-3true, 216#L724-1true]) [2024-10-31 22:19:12,094 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,094 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,094 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,094 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,139 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), 244#L705-2true, Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:12,139 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,139 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,139 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,139 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,140 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [57#L699-3true, Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:12,140 INFO L294 olderBase$Statistics]: this new event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,140 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,140 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2024-10-31 22:19:12,140 INFO L297 olderBase$Statistics]: existing Event has 224 ancestors and is cut-off event [2024-10-31 22:19:12,291 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true, 237#L706-3true]) [2024-10-31 22:19:12,291 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true, 307#L700-3true]) [2024-10-31 22:19:12,292 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:12,292 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:12,334 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true, 264#L706-3true]) [2024-10-31 22:19:12,335 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,335 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:12,335 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,335 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,335 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), 286#L700-3true, Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:12,335 INFO L294 olderBase$Statistics]: this new event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,335 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,336 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2024-10-31 22:19:12,336 INFO L297 olderBase$Statistics]: existing Event has 226 ancestors and is cut-off event [2024-10-31 22:19:13,471 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][315], [214#L694-7true, Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 267#L707-2true, 216#L724-1true]) [2024-10-31 22:19:13,471 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-10-31 22:19:13,471 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:19:13,471 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:13,472 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:13,727 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 11#L702-3true, 325#true, 216#L724-1true]) [2024-10-31 22:19:13,727 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,727 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:13,727 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:13,727 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,730 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 318#L696true, 325#true, 216#L724-1true, 267#L707-2true]) [2024-10-31 22:19:13,731 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,731 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:13,731 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:13,731 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,773 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), 21#L702-3true, Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:13,773 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,773 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,773 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2024-10-31 22:19:13,773 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:13,813 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 101#L696-3true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true, 267#L707-2true]) [2024-10-31 22:19:13,813 INFO L294 olderBase$Statistics]: this new event has 242 ancestors and is cut-off event [2024-10-31 22:19:13,814 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2024-10-31 22:19:13,814 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:19:13,814 INFO L297 olderBase$Statistics]: existing Event has 237 ancestors and is cut-off event [2024-10-31 22:19:13,939 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 106#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 129#L703-3true, 325#true, 216#L724-1true]) [2024-10-31 22:19:13,939 INFO L294 olderBase$Statistics]: this new event has 243 ancestors and is cut-off event [2024-10-31 22:19:13,939 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is cut-off event [2024-10-31 22:19:13,939 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is cut-off event [2024-10-31 22:19:13,939 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is cut-off event [2024-10-31 22:19:14,006 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 4#L694-2true, 323#true, 334#(= |#race~threads_alive~0| 0), 169#L703-3true, Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true]) [2024-10-31 22:19:14,006 INFO L294 olderBase$Statistics]: this new event has 243 ancestors and is cut-off event [2024-10-31 22:19:14,006 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is cut-off event [2024-10-31 22:19:14,006 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is cut-off event [2024-10-31 22:19:14,006 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is cut-off event [2024-10-31 22:19:14,213 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 321#L697-3true, 267#L707-2true, 216#L724-1true]) [2024-10-31 22:19:14,213 INFO L294 olderBase$Statistics]: this new event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,213 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:19:14,213 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:19:14,213 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,680 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 187#L705-2true, 325#true, 216#L724-1true, 267#L707-2true]) [2024-10-31 22:19:14,680 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:19:14,680 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,681 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,681 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:19:14,682 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 279#L699-3true, 267#L707-2true, 216#L724-1true]) [2024-10-31 22:19:14,682 INFO L294 olderBase$Statistics]: this new event has 249 ancestors and is cut-off event [2024-10-31 22:19:14,682 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,682 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2024-10-31 22:19:14,682 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2024-10-31 22:19:14,978 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 267#L707-2true, 216#L724-1true, 237#L706-3true]) [2024-10-31 22:19:14,978 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:19:14,978 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:19:14,978 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:19:14,978 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-10-31 22:19:14,980 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 267#L707-2true, 216#L724-1true, 307#L700-3true]) [2024-10-31 22:19:14,980 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2024-10-31 22:19:14,980 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:19:14,980 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2024-10-31 22:19:14,980 INFO L297 olderBase$Statistics]: existing Event has 251 ancestors and is cut-off event [2024-10-31 22:19:15,591 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), 11#L702-3true, Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 267#L707-2true, 216#L724-1true]) [2024-10-31 22:19:15,591 INFO L294 olderBase$Statistics]: this new event has 261 ancestors and is cut-off event [2024-10-31 22:19:15,591 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:19:15,591 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-10-31 22:19:15,591 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2024-10-31 22:19:15,810 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][207], [Black: 332#true, 337#true, 323#true, 334#(= |#race~threads_alive~0| 0), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 129#L703-3true, 216#L724-1true, 267#L707-2true]) [2024-10-31 22:19:15,810 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2024-10-31 22:19:15,810 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2024-10-31 22:19:15,810 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:19:15,810 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-10-31 22:19:16,023 INFO L124 PetriNetUnfolderBase]: 11972/35228 cut-off events. [2024-10-31 22:19:16,024 INFO L125 PetriNetUnfolderBase]: For 9436/10112 co-relation queries the response was YES. [2024-10-31 22:19:16,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62930 conditions, 35228 events. 11972/35228 cut-off events. For 9436/10112 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 434661 event pairs, 7161 based on Foata normal form. 199/31692 useless extension candidates. Maximal degree in co-relation 60819. Up to 15959 conditions per place. [2024-10-31 22:19:16,330 INFO L140 encePairwiseOnDemand]: 318/327 looper letters, 65 selfloop transitions, 14 changer transitions 0/368 dead transitions. [2024-10-31 22:19:16,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 368 transitions, 1053 flow [2024-10-31 22:19:16,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:19:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 909 transitions. [2024-10-31 22:19:16,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.926605504587156 [2024-10-31 22:19:16,334 INFO L175 Difference]: Start difference. First operand has 329 places, 339 transitions, 802 flow. Second operand 3 states and 909 transitions. [2024-10-31 22:19:16,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 368 transitions, 1053 flow [2024-10-31 22:19:16,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 368 transitions, 1015 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:19:16,360 INFO L231 Difference]: Finished difference. Result has 331 places, 351 transitions, 900 flow [2024-10-31 22:19:16,361 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=331, PETRI_TRANSITIONS=351} [2024-10-31 22:19:16,362 INFO L277 CegarLoopForPetriNet]: 324 programPoint places, 7 predicate places. [2024-10-31 22:19:16,362 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 351 transitions, 900 flow [2024-10-31 22:19:16,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 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) [2024-10-31 22:19:16,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:19:16,364 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] [2024-10-31 22:19:16,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:19:16,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2024-10-31 22:19:16,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:16,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2054567900, now seen corresponding path program 1 times [2024-10-31 22:19:16,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:16,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516353054] [2024-10-31 22:19:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:16,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:16,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516353054] [2024-10-31 22:19:16,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516353054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:16,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:16,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667299824] [2024-10-31 22:19:16,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:16,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:16,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:16,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:16,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:16,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 327 [2024-10-31 22:19:16,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 351 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 291.0) internal successors, (873), 3 states have internal predecessors, (873), 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) [2024-10-31 22:19:16,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:19:16,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 327 [2024-10-31 22:19:16,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:19:17,826 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][307], [Black: 332#true, 214#L694-7true, 337#true, 106#L694-2true, 323#true, Black: 339#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 216#L724-1true, 342#true]) [2024-10-31 22:19:17,827 INFO L294 olderBase$Statistics]: this new event has 219 ancestors and is cut-off event [2024-10-31 22:19:17,827 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:17,827 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2024-10-31 22:19:17,829 INFO L297 olderBase$Statistics]: existing Event has 219 ancestors and is cut-off event [2024-10-31 22:19:18,095 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][206], [Black: 332#true, 337#true, 106#L694-2true, 323#true, Black: 339#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 318#L696true, 216#L724-1true, 342#true]) [2024-10-31 22:19:18,096 INFO L294 olderBase$Statistics]: this new event has 221 ancestors and is cut-off event [2024-10-31 22:19:18,096 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2024-10-31 22:19:18,096 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2024-10-31 22:19:18,096 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2024-10-31 22:19:19,773 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1045] L707-->L707-1: Formula: (= 0 |v_#race~threads_alive~0_4|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_4|} AuxVars[] AssignedVars[#race~threads_alive~0][369], [Black: 332#true, 214#L694-7true, 337#true, 177#L724-2true, 323#true, Black: 339#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 313#L707-1true, 342#true]) [2024-10-31 22:19:19,773 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-10-31 22:19:19,773 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:19,773 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:19:19,773 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:20,071 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][307], [Black: 332#true, 214#L694-7true, 337#true, 323#true, Black: 339#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 267#L707-2true, 216#L724-1true, 342#true]) [2024-10-31 22:19:20,071 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2024-10-31 22:19:20,071 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:20,071 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2024-10-31 22:19:20,071 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2024-10-31 22:19:20,260 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([937] L725-6-->L724-1: Formula: (= 0 |v_#race~threads_alive~0_1|) InVars {} OutVars{#race~threads_alive~0=|v_#race~threads_alive~0_1|} AuxVars[] AssignedVars[#race~threads_alive~0][206], [Black: 332#true, 337#true, 323#true, Black: 339#(= |threadThread1of2ForFork0_#t~nondet2| |#race~threads_alive~0|), Black: 329#(= |#race~keep_alive~0| |ULTIMATE.start_main_#t~nondet22#1|), 325#true, 318#L696true, 267#L707-2true, 216#L724-1true, 342#true]) [2024-10-31 22:19:20,260 INFO L294 olderBase$Statistics]: this new event has 241 ancestors and is cut-off event [2024-10-31 22:19:20,260 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:20,260 INFO L297 olderBase$Statistics]: existing Event has 236 ancestors and is cut-off event [2024-10-31 22:19:20,260 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event