./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:35:26,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:35:26,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:35:26,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:35:26,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:35:26,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:35:26,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:35:26,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:35:26,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:35:26,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:35:26,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:35:26,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:35:26,899 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:35:26,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:35:26,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:35:26,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:35:26,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:35:26,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:35:26,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:35:26,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:35:26,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:35:26,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:35:26,902 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:35:26,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:35:26,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:35:26,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:35:26,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:35:26,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:35:26,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:35:26,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:35:26,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:35:26,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:35:26,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:35:26,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:35:26,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:35:26,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:35:26,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:35:26,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:35:26,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:35:26,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:35:26,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:35:26,911 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642 [2024-11-12 12:35:27,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:35:27,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:35:27,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:35:27,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:35:27,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:35:27,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-12 12:35:28,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:35:28,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:35:28,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2024-11-12 12:35:28,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59083898/51bc4c237d644ec5a3be51dd2405fe44/FLAG1b2198d1a [2024-11-12 12:35:29,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59083898/51bc4c237d644ec5a3be51dd2405fe44 [2024-11-12 12:35:29,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:35:29,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:35:29,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:35:29,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:35:29,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:35:29,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db6b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29, skipping insertion in model container [2024-11-12 12:35:29,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:35:29,542 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,543 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,544 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,544 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:35:29,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:35:29,654 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,655 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,658 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,659 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:35:29,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:35:29,736 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:35:29,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29 WrapperNode [2024-11-12 12:35:29,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:35:29,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:35:29,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:35:29,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:35:29,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,823 INFO L138 Inliner]: procedures = 280, calls = 136, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 456 [2024-11-12 12:35:29,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:35:29,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:35:29,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:35:29,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:35:29,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:35:29,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:35:29,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:35:29,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:35:29,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (1/1) ... [2024-11-12 12:35:29,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:35:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:29,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:35:29,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:35:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:35:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:35:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:35:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:35:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:35:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:35:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-12 12:35:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-12 12:35:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:35:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:35:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:35:30,014 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:35:30,135 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:35:30,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:35:30,785 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:35:30,787 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:35:30,814 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:35:30,815 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-12 12:35:30,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:35:30 BoogieIcfgContainer [2024-11-12 12:35:30,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:35:30,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:35:30,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:35:30,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:35:30,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:35:29" (1/3) ... [2024-11-12 12:35:30,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f8ff4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:35:30, skipping insertion in model container [2024-11-12 12:35:30,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:29" (2/3) ... [2024-11-12 12:35:30,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f8ff4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:35:30, skipping insertion in model container [2024-11-12 12:35:30,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:35:30" (3/3) ... [2024-11-12 12:35:30,822 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2024-11-12 12:35:30,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:35:30,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2024-11-12 12:35:30,836 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:35:30,910 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 12:35:30,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 477 places, 501 transitions, 1009 flow [2024-11-12 12:35:31,115 INFO L124 PetriNetUnfolderBase]: 29/533 cut-off events. [2024-11-12 12:35:31,115 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:35:31,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 533 events. 29/533 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 944 event pairs, 0 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 348. Up to 4 conditions per place. [2024-11-12 12:35:31,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 477 places, 501 transitions, 1009 flow [2024-11-12 12:35:31,135 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 477 places, 501 transitions, 1009 flow [2024-11-12 12:35:31,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:35:31,186 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;@447a0f10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:35:31,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-12 12:35:31,201 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:35:31,201 INFO L124 PetriNetUnfolderBase]: 1/121 cut-off events. [2024-11-12 12:35:31,201 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:35:31,201 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:31,202 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:31,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:31,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1831000005, now seen corresponding path program 1 times [2024-11-12 12:35:31,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:31,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556119274] [2024-11-12 12:35:31,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:32,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:32,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556119274] [2024-11-12 12:35:32,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556119274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:32,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:32,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:32,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808988303] [2024-11-12 12:35:32,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:32,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:32,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:32,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:32,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:32,658 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-12 12:35:32,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 501 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:32,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:32,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-12 12:35:32,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:33,033 INFO L124 PetriNetUnfolderBase]: 319/1693 cut-off events. [2024-11-12 12:35:33,034 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-12 12:35:33,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2399 conditions, 1693 events. 319/1693 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9572 event pairs, 288 based on Foata normal form. 184/1741 useless extension candidates. Maximal degree in co-relation 1972. Up to 690 conditions per place. [2024-11-12 12:35:33,042 INFO L140 encePairwiseOnDemand]: 468/501 looper letters, 96 selfloop transitions, 10 changer transitions 2/476 dead transitions. [2024-11-12 12:35:33,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 476 transitions, 1171 flow [2024-11-12 12:35:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2355 transitions. [2024-11-12 12:35:33,060 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.783433133732535 [2024-11-12 12:35:33,062 INFO L175 Difference]: Start difference. First operand has 477 places, 501 transitions, 1009 flow. Second operand 6 states and 2355 transitions. [2024-11-12 12:35:33,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 476 transitions, 1171 flow [2024-11-12 12:35:33,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 476 transitions, 1171 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:35:33,086 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 975 flow [2024-11-12 12:35:33,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-12 12:35:33,097 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-12 12:35:33,097 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 975 flow [2024-11-12 12:35:33,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:33,098 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:33,098 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:33,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:35:33,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:33,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:33,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1041739976, now seen corresponding path program 1 times [2024-11-12 12:35:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:33,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157027175] [2024-11-12 12:35:33,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:33,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:33,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157027175] [2024-11-12 12:35:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157027175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:33,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:33,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:33,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190605081] [2024-11-12 12:35:33,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:33,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:33,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:33,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:33,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:34,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 501 [2024-11-12 12:35:34,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:34,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:34,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 501 [2024-11-12 12:35:34,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:34,277 INFO L124 PetriNetUnfolderBase]: 319/1689 cut-off events. [2024-11-12 12:35:34,277 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-12 12:35:34,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2406 conditions, 1689 events. 319/1689 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9566 event pairs, 288 based on Foata normal form. 0/1557 useless extension candidates. Maximal degree in co-relation 2231. Up to 690 conditions per place. [2024-11-12 12:35:34,283 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 96 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-12 12:35:34,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 472 transitions, 1183 flow [2024-11-12 12:35:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2334 transitions. [2024-11-12 12:35:34,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7764471057884231 [2024-11-12 12:35:34,288 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 975 flow. Second operand 6 states and 2334 transitions. [2024-11-12 12:35:34,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 472 transitions, 1183 flow [2024-11-12 12:35:34,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 472 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:34,296 INFO L231 Difference]: Finished difference. Result has 474 places, 472 transitions, 971 flow [2024-11-12 12:35:34,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=474, PETRI_TRANSITIONS=472} [2024-11-12 12:35:34,297 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-12 12:35:34,298 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 472 transitions, 971 flow [2024-11-12 12:35:34,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:34,299 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:34,299 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:34,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:35:34,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:34,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1261717891, now seen corresponding path program 1 times [2024-11-12 12:35:34,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:34,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730530027] [2024-11-12 12:35:34,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:34,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:34,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:34,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730530027] [2024-11-12 12:35:34,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730530027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:34,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:34,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:35:34,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007580566] [2024-11-12 12:35:34,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:34,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:35:34,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:34,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:35:34,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:35:34,395 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-12 12:35:34,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 472 transitions, 971 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:34,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:34,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-12 12:35:34,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:34,472 INFO L124 PetriNetUnfolderBase]: 15/650 cut-off events. [2024-11-12 12:35:34,472 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-12 12:35:34,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 650 events. 15/650 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1439 event pairs, 8 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 487. Up to 34 conditions per place. [2024-11-12 12:35:34,475 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-12 12:35:34,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 473 transitions, 1007 flow [2024-11-12 12:35:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:35:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:35:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-12 12:35:34,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-12 12:35:34,478 INFO L175 Difference]: Start difference. First operand has 474 places, 472 transitions, 971 flow. Second operand 3 states and 1407 transitions. [2024-11-12 12:35:34,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 473 transitions, 1007 flow [2024-11-12 12:35:34,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 473 transitions, 987 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:34,488 INFO L231 Difference]: Finished difference. Result has 472 places, 473 transitions, 963 flow [2024-11-12 12:35:34,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=472, PETRI_TRANSITIONS=473} [2024-11-12 12:35:34,490 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-12 12:35:34,491 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 473 transitions, 963 flow [2024-11-12 12:35:34,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:34,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:34,492 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:34,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:35:34,493 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:34,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1440974403, now seen corresponding path program 1 times [2024-11-12 12:35:34,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492971712] [2024-11-12 12:35:34,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:34,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:34,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492971712] [2024-11-12 12:35:34,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492971712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:34,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:34,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:34,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671649635] [2024-11-12 12:35:34,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:34,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:34,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:34,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:34,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:35,258 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-12 12:35:35,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 473 transitions, 963 flow. Second operand has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:35,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:35,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-12 12:35:35,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:35,635 INFO L124 PetriNetUnfolderBase]: 320/1811 cut-off events. [2024-11-12 12:35:35,636 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-12 12:35:35,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2572 conditions, 1811 events. 320/1811 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9972 event pairs, 288 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2295. Up to 738 conditions per place. [2024-11-12 12:35:35,644 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-12 12:35:35,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 472 transitions, 1177 flow [2024-11-12 12:35:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-12 12:35:35,648 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-12 12:35:35,648 INFO L175 Difference]: Start difference. First operand has 472 places, 473 transitions, 963 flow. Second operand 6 states and 2329 transitions. [2024-11-12 12:35:35,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 472 transitions, 1177 flow [2024-11-12 12:35:35,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 472 transitions, 1175 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:35:35,655 INFO L231 Difference]: Finished difference. Result has 475 places, 472 transitions, 969 flow [2024-11-12 12:35:35,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=475, PETRI_TRANSITIONS=472} [2024-11-12 12:35:35,656 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-12 12:35:35,657 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 472 transitions, 969 flow [2024-11-12 12:35:35,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.6666666666667) internal successors, (2236), 6 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:35,658 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:35,658 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:35,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:35:35,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:35,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:35,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1448542171, now seen corresponding path program 1 times [2024-11-12 12:35:35,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:35,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537652669] [2024-11-12 12:35:35,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:35,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:35,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:35,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537652669] [2024-11-12 12:35:35,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537652669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:35,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:35:35,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53860849] [2024-11-12 12:35:35,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:35,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:35:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:35,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:35:35,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:35:35,732 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-12 12:35:35,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 472 transitions, 969 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:35,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:35,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-12 12:35:35,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:35,851 INFO L124 PetriNetUnfolderBase]: 15/836 cut-off events. [2024-11-12 12:35:35,851 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-12 12:35:35,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 836 events. 15/836 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1661 event pairs, 8 based on Foata normal form. 2/788 useless extension candidates. Maximal degree in co-relation 682. Up to 38 conditions per place. [2024-11-12 12:35:35,854 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 15 selfloop transitions, 2 changer transitions 0/473 dead transitions. [2024-11-12 12:35:35,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 473 transitions, 1005 flow [2024-11-12 12:35:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:35:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:35:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-11-12 12:35:35,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.936127744510978 [2024-11-12 12:35:35,857 INFO L175 Difference]: Start difference. First operand has 475 places, 472 transitions, 969 flow. Second operand 3 states and 1407 transitions. [2024-11-12 12:35:35,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 473 transitions, 1005 flow [2024-11-12 12:35:35,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 473 transitions, 995 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:35,864 INFO L231 Difference]: Finished difference. Result has 473 places, 473 transitions, 971 flow [2024-11-12 12:35:35,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=473} [2024-11-12 12:35:35,866 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-12 12:35:35,866 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 473 transitions, 971 flow [2024-11-12 12:35:35,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:35,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:35,868 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:35,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:35:35,868 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:35,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -977353756, now seen corresponding path program 1 times [2024-11-12 12:35:35,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596018983] [2024-11-12 12:35:35,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:35:36,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:36,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596018983] [2024-11-12 12:35:36,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596018983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:36,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:36,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:36,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991649243] [2024-11-12 12:35:36,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:36,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:36,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:36,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:36,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:37,022 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-12 12:35:37,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 473 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:37,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:37,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-12 12:35:37,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:37,359 INFO L124 PetriNetUnfolderBase]: 83/1150 cut-off events. [2024-11-12 12:35:37,359 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-12 12:35:37,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 1150 events. 83/1150 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3553 event pairs, 64 based on Foata normal form. 0/1063 useless extension candidates. Maximal degree in co-relation 963. Up to 315 conditions per place. [2024-11-12 12:35:37,364 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/472 dead transitions. [2024-11-12 12:35:37,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 472 transitions, 1111 flow [2024-11-12 12:35:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-12 12:35:37,369 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-12 12:35:37,369 INFO L175 Difference]: Start difference. First operand has 473 places, 473 transitions, 971 flow. Second operand 6 states and 2514 transitions. [2024-11-12 12:35:37,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 472 transitions, 1111 flow [2024-11-12 12:35:37,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 472 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:35:37,377 INFO L231 Difference]: Finished difference. Result has 476 places, 472 transitions, 977 flow [2024-11-12 12:35:37,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=977, PETRI_PLACES=476, PETRI_TRANSITIONS=472} [2024-11-12 12:35:37,379 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -1 predicate places. [2024-11-12 12:35:37,379 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 472 transitions, 977 flow [2024-11-12 12:35:37,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 411.5) internal successors, (2469), 6 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:37,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:37,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:37,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:35:37,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:37,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:37,384 INFO L85 PathProgramCache]: Analyzing trace with hash 720839725, now seen corresponding path program 1 times [2024-11-12 12:35:37,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:37,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286152241] [2024-11-12 12:35:37,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:37,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:35:37,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:37,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286152241] [2024-11-12 12:35:37,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286152241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:37,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:37,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:37,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661900807] [2024-11-12 12:35:37,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:37,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:37,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:37,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:37,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:38,366 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 501 [2024-11-12 12:35:38,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 472 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:38,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:38,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 501 [2024-11-12 12:35:38,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:38,800 INFO L124 PetriNetUnfolderBase]: 320/1991 cut-off events. [2024-11-12 12:35:38,800 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-12 12:35:38,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2856 conditions, 1991 events. 320/1991 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10592 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2338. Up to 804 conditions per place. [2024-11-12 12:35:38,811 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 103 selfloop transitions, 5 changer transitions 0/471 dead transitions. [2024-11-12 12:35:38,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 471 transitions, 1191 flow [2024-11-12 12:35:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2329 transitions. [2024-11-12 12:35:38,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7747837658017299 [2024-11-12 12:35:38,820 INFO L175 Difference]: Start difference. First operand has 476 places, 472 transitions, 977 flow. Second operand 6 states and 2329 transitions. [2024-11-12 12:35:38,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 471 transitions, 1191 flow [2024-11-12 12:35:38,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 471 transitions, 1181 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:38,827 INFO L231 Difference]: Finished difference. Result has 475 places, 471 transitions, 975 flow [2024-11-12 12:35:38,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=471, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=975, PETRI_PLACES=475, PETRI_TRANSITIONS=471} [2024-11-12 12:35:38,829 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -2 predicate places. [2024-11-12 12:35:38,829 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 471 transitions, 975 flow [2024-11-12 12:35:38,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 375.3333333333333) internal successors, (2252), 6 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:38,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:38,831 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:38,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:35:38,831 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:38,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 385072527, now seen corresponding path program 1 times [2024-11-12 12:35:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68417323] [2024-11-12 12:35:38,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:39,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:35:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:39,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68417323] [2024-11-12 12:35:39,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68417323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:39,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:39,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:39,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039614253] [2024-11-12 12:35:39,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:39,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:39,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:39,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:39,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:40,071 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-12 12:35:40,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 471 transitions, 975 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:40,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:40,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-12 12:35:40,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:40,712 INFO L124 PetriNetUnfolderBase]: 320/1987 cut-off events. [2024-11-12 12:35:40,712 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-12 12:35:40,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1987 events. 320/1987 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10568 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2354. Up to 788 conditions per place. [2024-11-12 12:35:40,734 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/470 dead transitions. [2024-11-12 12:35:40,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 470 transitions, 1181 flow [2024-11-12 12:35:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-12 12:35:40,745 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-12 12:35:40,745 INFO L175 Difference]: Start difference. First operand has 475 places, 471 transitions, 975 flow. Second operand 6 states and 2349 transitions. [2024-11-12 12:35:40,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 470 transitions, 1181 flow [2024-11-12 12:35:40,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 470 transitions, 1171 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:40,755 INFO L231 Difference]: Finished difference. Result has 474 places, 470 transitions, 973 flow [2024-11-12 12:35:40,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=963, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=973, PETRI_PLACES=474, PETRI_TRANSITIONS=470} [2024-11-12 12:35:40,763 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -3 predicate places. [2024-11-12 12:35:40,764 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 470 transitions, 973 flow [2024-11-12 12:35:40,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:40,765 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:40,765 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:40,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:35:40,766 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:40,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash 231178017, now seen corresponding path program 1 times [2024-11-12 12:35:40,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:40,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495502781] [2024-11-12 12:35:40,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 12:35:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:41,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495502781] [2024-11-12 12:35:41,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495502781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:41,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:41,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:41,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727172377] [2024-11-12 12:35:41,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:41,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:41,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:41,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:41,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:41,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 501 [2024-11-12 12:35:41,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 470 transitions, 973 flow. Second operand has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:41,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:41,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 501 [2024-11-12 12:35:41,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:41,997 INFO L124 PetriNetUnfolderBase]: 320/1983 cut-off events. [2024-11-12 12:35:41,997 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-11-12 12:35:42,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2832 conditions, 1983 events. 320/1983 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10544 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2369. Up to 788 conditions per place. [2024-11-12 12:35:42,005 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 99 selfloop transitions, 5 changer transitions 0/469 dead transitions. [2024-11-12 12:35:42,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 469 transitions, 1179 flow [2024-11-12 12:35:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2024-11-12 12:35:42,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781437125748503 [2024-11-12 12:35:42,013 INFO L175 Difference]: Start difference. First operand has 474 places, 470 transitions, 973 flow. Second operand 6 states and 2349 transitions. [2024-11-12 12:35:42,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 469 transitions, 1179 flow [2024-11-12 12:35:42,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 469 transitions, 1169 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:42,019 INFO L231 Difference]: Finished difference. Result has 473 places, 469 transitions, 971 flow [2024-11-12 12:35:42,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=971, PETRI_PLACES=473, PETRI_TRANSITIONS=469} [2024-11-12 12:35:42,021 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -4 predicate places. [2024-11-12 12:35:42,021 INFO L471 AbstractCegarLoop]: Abstraction has has 473 places, 469 transitions, 971 flow [2024-11-12 12:35:42,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:42,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:42,022 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:42,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:35:42,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:42,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash 653906021, now seen corresponding path program 1 times [2024-11-12 12:35:42,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:42,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244227491] [2024-11-12 12:35:42,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 12:35:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244227491] [2024-11-12 12:35:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244227491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:35:42,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:35:42,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455202050] [2024-11-12 12:35:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:42,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:42,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:42,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:42,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:35:42,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-12 12:35:42,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 469 transitions, 971 flow. Second operand has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:42,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:42,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-12 12:35:42,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:43,222 INFO L124 PetriNetUnfolderBase]: 320/1979 cut-off events. [2024-11-12 12:35:43,223 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-12 12:35:43,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1979 events. 320/1979 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 10530 event pairs, 288 based on Foata normal form. 0/1855 useless extension candidates. Maximal degree in co-relation 2382. Up to 808 conditions per place. [2024-11-12 12:35:43,229 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/468 dead transitions. [2024-11-12 12:35:43,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 468 transitions, 1187 flow [2024-11-12 12:35:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-12 12:35:43,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-12 12:35:43,234 INFO L175 Difference]: Start difference. First operand has 473 places, 469 transitions, 971 flow. Second operand 6 states and 2324 transitions. [2024-11-12 12:35:43,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 468 transitions, 1187 flow [2024-11-12 12:35:43,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 468 transitions, 1177 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:43,241 INFO L231 Difference]: Finished difference. Result has 472 places, 468 transitions, 969 flow [2024-11-12 12:35:43,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=472, PETRI_TRANSITIONS=468} [2024-11-12 12:35:43,244 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, -5 predicate places. [2024-11-12 12:35:43,244 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 468 transitions, 969 flow [2024-11-12 12:35:43,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.5) internal successors, (2259), 6 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:43,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:43,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:43,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:35:43,246 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:43,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1649056957, now seen corresponding path program 1 times [2024-11-12 12:35:43,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:43,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362882998] [2024-11-12 12:35:43,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:43,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:35:43,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:43,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362882998] [2024-11-12 12:35:43,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362882998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:35:43,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380175143] [2024-11-12 12:35:43,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:43,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:43,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:35:43,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 12:35:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:43,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 12:35:43,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:35:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:35:43,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:35:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:35:43,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380175143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:35:43,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:35:43,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 12:35:43,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58186278] [2024-11-12 12:35:43,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:35:43,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 12:35:43,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:43,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 12:35:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 12:35:43,999 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-12 12:35:44,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 468 transitions, 969 flow. Second operand has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:44,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:44,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-12 12:35:44,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:44,173 INFO L124 PetriNetUnfolderBase]: 15/1000 cut-off events. [2024-11-12 12:35:44,174 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-12 12:35:44,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 1000 events. 15/1000 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1206 event pairs, 8 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 888. Up to 38 conditions per place. [2024-11-12 12:35:44,176 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 19 selfloop transitions, 9 changer transitions 0/476 dead transitions. [2024-11-12 12:35:44,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 476 transitions, 1043 flow [2024-11-12 12:35:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:35:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:35:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4170 transitions. [2024-11-12 12:35:44,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9248170326014638 [2024-11-12 12:35:44,182 INFO L175 Difference]: Start difference. First operand has 472 places, 468 transitions, 969 flow. Second operand 9 states and 4170 transitions. [2024-11-12 12:35:44,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 476 transitions, 1043 flow [2024-11-12 12:35:44,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 476 transitions, 1033 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:44,190 INFO L231 Difference]: Finished difference. Result has 478 places, 474 transitions, 1009 flow [2024-11-12 12:35:44,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1009, PETRI_PLACES=478, PETRI_TRANSITIONS=474} [2024-11-12 12:35:44,191 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 1 predicate places. [2024-11-12 12:35:44,191 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 474 transitions, 1009 flow [2024-11-12 12:35:44,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 461.8) internal successors, (4618), 10 states have internal predecessors, (4618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:44,192 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:44,193 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:44,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 12:35:44,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 12:35:44,394 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:44,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash 294771967, now seen corresponding path program 2 times [2024-11-12 12:35:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:44,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783181947] [2024-11-12 12:35:44,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-12 12:35:44,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:44,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783181947] [2024-11-12 12:35:44,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783181947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:35:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126619040] [2024-11-12 12:35:44,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:35:44,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:44,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:44,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:35:44,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 12:35:44,902 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:35:44,902 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:35:44,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 12:35:44,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:35:44,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-12 12:35:44,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2024-11-12 12:35:44,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:35:44,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2024-11-12 12:35:45,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:35:45,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 58 [2024-11-12 12:35:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-11-12 12:35:45,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:35:45,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126619040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:45,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:35:45,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-12 12:35:45,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597226086] [2024-11-12 12:35:45,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:45,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:45,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:45,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:45,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-12 12:35:45,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 501 [2024-11-12 12:35:45,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 474 transitions, 1009 flow. Second operand has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:45,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:45,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 501 [2024-11-12 12:35:45,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:46,080 INFO L124 PetriNetUnfolderBase]: 83/1316 cut-off events. [2024-11-12 12:35:46,080 INFO L125 PetriNetUnfolderBase]: For 14/18 co-relation queries the response was YES. [2024-11-12 12:35:46,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1316 events. 83/1316 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3089 event pairs, 64 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 1092. Up to 362 conditions per place. [2024-11-12 12:35:46,084 INFO L140 encePairwiseOnDemand]: 489/501 looper letters, 69 selfloop transitions, 10 changer transitions 0/472 dead transitions. [2024-11-12 12:35:46,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 472 transitions, 1163 flow [2024-11-12 12:35:46,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2469 transitions. [2024-11-12 12:35:46,088 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213572854291418 [2024-11-12 12:35:46,088 INFO L175 Difference]: Start difference. First operand has 478 places, 474 transitions, 1009 flow. Second operand 6 states and 2469 transitions. [2024-11-12 12:35:46,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 472 transitions, 1163 flow [2024-11-12 12:35:46,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 472 transitions, 1157 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 12:35:46,094 INFO L231 Difference]: Finished difference. Result has 480 places, 472 transitions, 1019 flow [2024-11-12 12:35:46,095 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1019, PETRI_PLACES=480, PETRI_TRANSITIONS=472} [2024-11-12 12:35:46,095 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 3 predicate places. [2024-11-12 12:35:46,095 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 472 transitions, 1019 flow [2024-11-12 12:35:46,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 405.3333333333333) internal successors, (2432), 6 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:46,096 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:46,097 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:46,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 12:35:46,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-12 12:35:46,298 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:46,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:46,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1835266680, now seen corresponding path program 1 times [2024-11-12 12:35:46,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:46,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929467206] [2024-11-12 12:35:46,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:46,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-12 12:35:46,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:46,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929467206] [2024-11-12 12:35:46,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929467206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:35:46,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870425068] [2024-11-12 12:35:46,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:46,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:46,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:46,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:35:46,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 12:35:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:47,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 12:35:47,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:35:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 489 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-12 12:35:47,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:35:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 489 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-12 12:35:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870425068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:35:47,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:35:47,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-12 12:35:47,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251145766] [2024-11-12 12:35:47,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:35:47,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 12:35:47,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 12:35:47,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-12 12:35:47,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 501 [2024-11-12 12:35:47,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 472 transitions, 1019 flow. Second operand has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:47,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:47,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 501 [2024-11-12 12:35:47,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:48,783 INFO L124 PetriNetUnfolderBase]: 16/2378 cut-off events. [2024-11-12 12:35:48,783 INFO L125 PetriNetUnfolderBase]: For 80/81 co-relation queries the response was YES. [2024-11-12 12:35:48,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 2378 events. 16/2378 cut-off events. For 80/81 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1200 event pairs, 8 based on Foata normal form. 13/2363 useless extension candidates. Maximal degree in co-relation 2450. Up to 40 conditions per place. [2024-11-12 12:35:48,788 INFO L140 encePairwiseOnDemand]: 490/501 looper letters, 51 selfloop transitions, 68 changer transitions 0/558 dead transitions. [2024-11-12 12:35:48,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 558 transitions, 1667 flow [2024-11-12 12:35:48,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-12 12:35:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-12 12:35:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 28734 transitions. [2024-11-12 12:35:48,810 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103697367170421 [2024-11-12 12:35:48,810 INFO L175 Difference]: Start difference. First operand has 480 places, 472 transitions, 1019 flow. Second operand 63 states and 28734 transitions. [2024-11-12 12:35:48,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 558 transitions, 1667 flow [2024-11-12 12:35:48,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 558 transitions, 1647 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:35:48,817 INFO L231 Difference]: Finished difference. Result has 553 places, 534 transitions, 1519 flow [2024-11-12 12:35:48,818 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1519, PETRI_PLACES=553, PETRI_TRANSITIONS=534} [2024-11-12 12:35:48,819 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 76 predicate places. [2024-11-12 12:35:48,819 INFO L471 AbstractCegarLoop]: Abstraction has has 553 places, 534 transitions, 1519 flow [2024-11-12 12:35:48,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 456.5263157894737) internal successors, (8674), 19 states have internal predecessors, (8674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:48,821 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:48,822 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:48,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 12:35:49,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:49,023 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:49,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:49,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1328653434, now seen corresponding path program 2 times [2024-11-12 12:35:49,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:49,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447938846] [2024-11-12 12:35:49,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:49,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-12 12:35:52,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:52,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447938846] [2024-11-12 12:35:52,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447938846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:35:52,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256532810] [2024-11-12 12:35:52,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:35:52,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:52,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:35:52,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 12:35:52,948 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:35:52,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:35:52,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 12:35:52,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:35:53,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 12:35:53,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-12 12:35:53,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:35:53,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-12 12:35:53,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:35:53,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-12 12:35:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15305 trivial. 0 not checked. [2024-11-12 12:35:53,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:35:53,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256532810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:35:53,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:35:53,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-12 12:35:53,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089829764] [2024-11-12 12:35:53,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:35:53,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:35:53,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:53,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:35:53,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-12 12:35:53,605 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 501 [2024-11-12 12:35:53,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 534 transitions, 1519 flow. Second operand has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:53,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:53,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 501 [2024-11-12 12:35:53,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:35:54,466 INFO L124 PetriNetUnfolderBase]: 103/2782 cut-off events. [2024-11-12 12:35:54,466 INFO L125 PetriNetUnfolderBase]: For 436/441 co-relation queries the response was YES. [2024-11-12 12:35:54,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3952 conditions, 2782 events. 103/2782 cut-off events. For 436/441 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4043 event pairs, 80 based on Foata normal form. 0/2700 useless extension candidates. Maximal degree in co-relation 3132. Up to 823 conditions per place. [2024-11-12 12:35:54,472 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 66 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2024-11-12 12:35:54,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 533 transitions, 1659 flow [2024-11-12 12:35:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:35:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:35:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2514 transitions. [2024-11-12 12:35:54,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8363273453093812 [2024-11-12 12:35:54,474 INFO L175 Difference]: Start difference. First operand has 553 places, 534 transitions, 1519 flow. Second operand 6 states and 2514 transitions. [2024-11-12 12:35:54,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 533 transitions, 1659 flow [2024-11-12 12:35:54,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 533 transitions, 1583 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-12 12:35:54,483 INFO L231 Difference]: Finished difference. Result has 550 places, 533 transitions, 1451 flow [2024-11-12 12:35:54,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1451, PETRI_PLACES=550, PETRI_TRANSITIONS=533} [2024-11-12 12:35:54,484 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 73 predicate places. [2024-11-12 12:35:54,484 INFO L471 AbstractCegarLoop]: Abstraction has has 550 places, 533 transitions, 1451 flow [2024-11-12 12:35:54,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:54,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:35:54,485 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:35:54,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 12:35:54,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:54,686 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:35:54,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:35:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1541271287, now seen corresponding path program 1 times [2024-11-12 12:35:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:35:54,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18289373] [2024-11-12 12:35:54,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:54,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:35:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-12 12:35:57,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:35:57,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18289373] [2024-11-12 12:35:57,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18289373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:35:57,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402821662] [2024-11-12 12:35:57,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:35:57,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:35:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:35:57,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:35:57,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 12:35:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:35:58,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 5801 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 12:35:58,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:35:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-12 12:35:58,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:35:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15305 backedges. 7978 proven. 3409 refuted. 0 times theorem prover too weak. 3918 trivial. 0 not checked. [2024-11-12 12:35:59,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402821662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:35:59,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:35:59,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-12 12:35:59,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750896900] [2024-11-12 12:35:59,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:35:59,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-12 12:35:59,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:35:59,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-12 12:35:59,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 12:35:59,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-12 12:35:59,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 533 transitions, 1451 flow. Second operand has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:35:59,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:35:59,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-12 12:35:59,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:36:01,730 INFO L124 PetriNetUnfolderBase]: 16/4537 cut-off events. [2024-11-12 12:36:01,730 INFO L125 PetriNetUnfolderBase]: For 3211/3212 co-relation queries the response was YES. [2024-11-12 12:36:01,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5333 conditions, 4537 events. 16/4537 cut-off events. For 3211/3212 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1199 event pairs, 8 based on Foata normal form. 24/4534 useless extension candidates. Maximal degree in co-relation 5088. Up to 78 conditions per place. [2024-11-12 12:36:01,741 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 51 selfloop transitions, 135 changer transitions 0/634 dead transitions. [2024-11-12 12:36:01,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 634 transitions, 2587 flow [2024-11-12 12:36:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-12 12:36:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-12 12:36:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 20784 transitions. [2024-11-12 12:36:01,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9218895542248836 [2024-11-12 12:36:01,751 INFO L175 Difference]: Start difference. First operand has 550 places, 533 transitions, 1451 flow. Second operand 45 states and 20784 transitions. [2024-11-12 12:36:01,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 634 transitions, 2587 flow [2024-11-12 12:36:01,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 589 places, 634 transitions, 2577 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:36:01,762 INFO L231 Difference]: Finished difference. Result has 598 places, 608 transitions, 2315 flow [2024-11-12 12:36:01,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2315, PETRI_PLACES=598, PETRI_TRANSITIONS=608} [2024-11-12 12:36:01,764 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 121 predicate places. [2024-11-12 12:36:01,764 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 608 transitions, 2315 flow [2024-11-12 12:36:01,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 462.11764705882354) internal successors, (15712), 34 states have internal predecessors, (15712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:01,767 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:36:01,768 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:36:01,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 12:36:01,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 12:36:01,973 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:36:01,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:36:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1695985911, now seen corresponding path program 2 times [2024-11-12 12:36:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:36:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301635622] [2024-11-12 12:36:01,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:36:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:36:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:36:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 71641 backedges. 36506 proven. 17025 refuted. 0 times theorem prover too weak. 18110 trivial. 0 not checked. [2024-11-12 12:36:12,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:36:12,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301635622] [2024-11-12 12:36:12,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301635622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:36:12,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135799091] [2024-11-12 12:36:12,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:36:12,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:36:12,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:36:12,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:36:12,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 12:36:13,303 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:36:13,303 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:36:13,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 12:36:13,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:36:13,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-12 12:36:13,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-12 12:36:13,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:36:13,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-12 12:36:13,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:36:13,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-12 12:36:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 71641 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71641 trivial. 0 not checked. [2024-11-12 12:36:13,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:36:13,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135799091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:36:13,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:36:13,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-12 12:36:13,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000644343] [2024-11-12 12:36:13,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:36:13,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:36:13,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:36:13,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:36:13,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 12:36:13,769 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 501 [2024-11-12 12:36:13,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 608 transitions, 2315 flow. Second operand has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:13,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:36:13,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 501 [2024-11-12 12:36:13,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:36:17,382 INFO L124 PetriNetUnfolderBase]: 360/5848 cut-off events. [2024-11-12 12:36:17,382 INFO L125 PetriNetUnfolderBase]: For 1225/1234 co-relation queries the response was YES. [2024-11-12 12:36:17,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8846 conditions, 5848 events. 360/5848 cut-off events. For 1225/1234 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 12030 event pairs, 324 based on Foata normal form. 0/5716 useless extension candidates. Maximal degree in co-relation 6602. Up to 2196 conditions per place. [2024-11-12 12:36:17,394 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 104 selfloop transitions, 5 changer transitions 0/607 dead transitions. [2024-11-12 12:36:17,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 607 transitions, 2531 flow [2024-11-12 12:36:17,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:36:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:36:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2024-11-12 12:36:17,396 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7731204258150366 [2024-11-12 12:36:17,396 INFO L175 Difference]: Start difference. First operand has 598 places, 608 transitions, 2315 flow. Second operand 6 states and 2324 transitions. [2024-11-12 12:36:17,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 607 transitions, 2531 flow [2024-11-12 12:36:17,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 607 transitions, 2423 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-12 12:36:17,421 INFO L231 Difference]: Finished difference. Result has 584 places, 607 transitions, 2215 flow [2024-11-12 12:36:17,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2215, PETRI_PLACES=584, PETRI_TRANSITIONS=607} [2024-11-12 12:36:17,426 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 107 predicate places. [2024-11-12 12:36:17,426 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 607 transitions, 2215 flow [2024-11-12 12:36:17,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.1666666666667) internal successors, (2275), 6 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:17,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:36:17,428 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:36:17,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-12 12:36:17,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 12:36:17,631 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:36:17,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:36:17,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1223325097, now seen corresponding path program 1 times [2024-11-12 12:36:17,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:36:17,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392862944] [2024-11-12 12:36:17,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:36:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:36:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:36:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 72182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72182 trivial. 0 not checked. [2024-11-12 12:36:20,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:36:20,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392862944] [2024-11-12 12:36:20,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392862944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:36:20,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:36:20,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:36:20,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801006091] [2024-11-12 12:36:20,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:36:20,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:36:20,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:36:20,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:36:20,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:36:20,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 501 [2024-11-12 12:36:20,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 607 transitions, 2215 flow. Second operand has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:20,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:36:20,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 501 [2024-11-12 12:36:20,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:36:22,780 INFO L124 PetriNetUnfolderBase]: 46/4810 cut-off events. [2024-11-12 12:36:22,781 INFO L125 PetriNetUnfolderBase]: For 1198/1202 co-relation queries the response was YES. [2024-11-12 12:36:22,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5646 conditions, 4810 events. 46/4810 cut-off events. For 1198/1202 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3022 event pairs, 24 based on Foata normal form. 2/4743 useless extension candidates. Maximal degree in co-relation 5041. Up to 78 conditions per place. [2024-11-12 12:36:22,790 INFO L140 encePairwiseOnDemand]: 498/501 looper letters, 22 selfloop transitions, 2 changer transitions 0/615 dead transitions. [2024-11-12 12:36:22,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 615 transitions, 2279 flow [2024-11-12 12:36:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:36:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:36:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1414 transitions. [2024-11-12 12:36:22,792 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9407850964737192 [2024-11-12 12:36:22,792 INFO L175 Difference]: Start difference. First operand has 584 places, 607 transitions, 2215 flow. Second operand 3 states and 1414 transitions. [2024-11-12 12:36:22,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 615 transitions, 2279 flow [2024-11-12 12:36:22,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 615 transitions, 2269 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:36:22,804 INFO L231 Difference]: Finished difference. Result has 582 places, 607 transitions, 2213 flow [2024-11-12 12:36:22,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2205, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2213, PETRI_PLACES=582, PETRI_TRANSITIONS=607} [2024-11-12 12:36:22,806 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 105 predicate places. [2024-11-12 12:36:22,806 INFO L471 AbstractCegarLoop]: Abstraction has has 582 places, 607 transitions, 2213 flow [2024-11-12 12:36:22,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:22,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:36:22,807 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:36:22,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 12:36:22,807 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:36:22,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:36:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash -442677911, now seen corresponding path program 1 times [2024-11-12 12:36:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:36:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792531072] [2024-11-12 12:36:22,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:36:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:36:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:36:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 72182 backedges. 36776 proven. 17025 refuted. 0 times theorem prover too weak. 18381 trivial. 0 not checked. [2024-11-12 12:36:31,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:36:31,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792531072] [2024-11-12 12:36:31,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792531072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:36:31,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514598619] [2024-11-12 12:36:31,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:36:31,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:36:31,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:36:31,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 12:36:31,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 12:36:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:36:34,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 11747 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 12:36:34,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:36:35,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72182 backedges. 36776 proven. 17025 refuted. 0 times theorem prover too weak. 18381 trivial. 0 not checked. [2024-11-12 12:36:35,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:36:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 72182 backedges. 36776 proven. 17025 refuted. 0 times theorem prover too weak. 18381 trivial. 0 not checked. [2024-11-12 12:36:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514598619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:36:37,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:36:37,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-12 12:36:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046391873] [2024-11-12 12:36:37,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:36:37,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-12 12:36:37,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:36:37,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-12 12:36:37,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-12 12:36:37,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 501 [2024-11-12 12:36:37,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 607 transitions, 2213 flow. Second operand has 63 states, 63 states have (on average 462.0952380952381) internal successors, (29112), 63 states have internal predecessors, (29112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:37,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:36:37,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 501 [2024-11-12 12:36:37,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:36:44,974 INFO L124 PetriNetUnfolderBase]: 15/8583 cut-off events. [2024-11-12 12:36:44,974 INFO L125 PetriNetUnfolderBase]: For 13376/13377 co-relation queries the response was YES. [2024-11-12 12:36:44,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10498 conditions, 8583 events. 15/8583 cut-off events. For 13376/13377 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1237 event pairs, 8 based on Foata normal form. 45/8604 useless extension candidates. Maximal degree in co-relation 10223. Up to 168 conditions per place. [2024-11-12 12:36:44,990 INFO L140 encePairwiseOnDemand]: 495/501 looper letters, 96 selfloop transitions, 270 changer transitions 0/813 dead transitions. [2024-11-12 12:36:44,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 813 transitions, 5131 flow [2024-11-12 12:36:44,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-12 12:36:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-12 12:36:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 41551 transitions. [2024-11-12 12:36:45,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9215125304945664 [2024-11-12 12:36:45,013 INFO L175 Difference]: Start difference. First operand has 582 places, 607 transitions, 2213 flow. Second operand 90 states and 41551 transitions. [2024-11-12 12:36:45,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 813 transitions, 5131 flow [2024-11-12 12:36:45,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 813 transitions, 5127 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:36:45,033 INFO L231 Difference]: Finished difference. Result has 685 places, 745 transitions, 4201 flow [2024-11-12 12:36:45,034 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=501, PETRI_DIFFERENCE_MINUEND_FLOW=2209, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4201, PETRI_PLACES=685, PETRI_TRANSITIONS=745} [2024-11-12 12:36:45,035 INFO L279 CegarLoopForPetriNet]: 477 programPoint places, 208 predicate places. [2024-11-12 12:36:45,035 INFO L471 AbstractCegarLoop]: Abstraction has has 685 places, 745 transitions, 4201 flow [2024-11-12 12:36:45,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 462.0952380952381) internal successors, (29112), 63 states have internal predecessors, (29112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:36:45,040 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:36:45,041 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:36:45,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 12:36:45,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:36:45,246 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-12 12:36:45,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:36:45,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1174266071, now seen corresponding path program 2 times [2024-11-12 12:36:45,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:36:45,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067119740] [2024-11-12 12:36:45,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:36:45,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:36:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat