./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:34:56,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:34:56,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:34:56,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:34:56,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:34:56,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:34:56,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:34:56,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:34:56,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:34:56,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:34:56,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:34:56,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:34:56,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:34:56,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:34:56,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:56,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:34:56,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:34:56,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2024-11-07 15:34:56,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:34:56,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:34:56,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:34:56,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:34:56,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:34:56,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2024-11-07 15:34:58,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:34:58,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:34:58,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2024-11-07 15:34:58,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ed7bd976/5f5ce9ee354445bc922b01518de477c4/FLAG720f8498e [2024-11-07 15:34:58,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ed7bd976/5f5ce9ee354445bc922b01518de477c4 [2024-11-07 15:34:58,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:34:58,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:34:58,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:58,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:34:58,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:34:58,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:58" (1/1) ... [2024-11-07 15:34:58,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b958656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:58, skipping insertion in model container [2024-11-07 15:34:58,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:34:58" (1/1) ... [2024-11-07 15:34:58,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:34:59,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:59,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:34:59,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:34:59,547 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:34:59,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59 WrapperNode [2024-11-07 15:34:59,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:34:59,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:59,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:34:59,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:34:59,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,621 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 199 [2024-11-07 15:34:59,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:34:59,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:34:59,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:34:59,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:34:59,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:34:59,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:34:59,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:34:59,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:34:59,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (1/1) ... [2024-11-07 15:34:59,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:34:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:34:59,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:34:59,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:34:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:34:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:34:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:34:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:34:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:34:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:34:59,782 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:34:59,924 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:34:59,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:35:00,407 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:35:00,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:35:00,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:35:00,447 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:35:00,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:00 BoogieIcfgContainer [2024-11-07 15:35:00,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:35:00,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:35:00,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:35:00,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:35:00,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:34:58" (1/3) ... [2024-11-07 15:35:00,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60925c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:00, skipping insertion in model container [2024-11-07 15:35:00,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:34:59" (2/3) ... [2024-11-07 15:35:00,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60925c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:00, skipping insertion in model container [2024-11-07 15:35:00,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:00" (3/3) ... [2024-11-07 15:35:00,456 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2024-11-07 15:35:00,469 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:35:00,470 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-07 15:35:00,470 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:35:00,571 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:35:00,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 307 places, 303 transitions, 610 flow [2024-11-07 15:35:00,761 INFO L124 PetriNetUnfolderBase]: 0/302 cut-off events. [2024-11-07 15:35:00,763 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:00,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 302 events. 0/302 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 162 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 15:35:00,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 307 places, 303 transitions, 610 flow [2024-11-07 15:35:00,781 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 302 transitions, 607 flow [2024-11-07 15:35:00,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:35:00,810 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;@216cc333, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:35:00,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-07 15:35:00,820 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:35:00,820 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-07 15:35:00,820 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:00,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:00,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:00,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:00,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:00,826 INFO L85 PathProgramCache]: Analyzing trace with hash 665820996, now seen corresponding path program 1 times [2024-11-07 15:35:00,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:00,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855906765] [2024-11-07 15:35:00,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:00,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:01,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:01,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855906765] [2024-11-07 15:35:01,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855906765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:01,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:01,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:01,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516416494] [2024-11-07 15:35:01,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:01,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:01,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:02,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 303 [2024-11-07 15:35:02,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 302 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-07 15:35:02,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:02,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 303 [2024-11-07 15:35:02,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:03,130 INFO L124 PetriNetUnfolderBase]: 560/2351 cut-off events. [2024-11-07 15:35:03,130 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:03,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3573 conditions, 2351 events. 560/2351 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14877 event pairs, 560 based on Foata normal form. 0/2140 useless extension candidates. Maximal degree in co-relation 3350. Up to 1198 conditions per place. [2024-11-07 15:35:03,151 INFO L140 encePairwiseOnDemand]: 279/303 looper letters, 77 selfloop transitions, 20 changer transitions 0/298 dead transitions. [2024-11-07 15:35:03,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 298 transitions, 793 flow [2024-11-07 15:35:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1313 transitions. [2024-11-07 15:35:03,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-11-07 15:35:03,178 INFO L175 Difference]: Start difference. First operand has 306 places, 302 transitions, 607 flow. Second operand 6 states and 1313 transitions. [2024-11-07 15:35:03,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 298 transitions, 793 flow [2024-11-07 15:35:03,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 792 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:03,193 INFO L231 Difference]: Finished difference. Result has 306 places, 298 transitions, 638 flow [2024-11-07 15:35:03,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=306, PETRI_TRANSITIONS=298} [2024-11-07 15:35:03,201 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 0 predicate places. [2024-11-07 15:35:03,201 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 298 transitions, 638 flow [2024-11-07 15:35:03,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-07 15:35:03,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:03,203 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:03,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:35:03,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:03,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:03,204 INFO L85 PathProgramCache]: Analyzing trace with hash -806874686, now seen corresponding path program 1 times [2024-11-07 15:35:03,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:03,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941282918] [2024-11-07 15:35:03,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:03,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:03,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941282918] [2024-11-07 15:35:03,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941282918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:03,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:03,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:03,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208335255] [2024-11-07 15:35:03,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:03,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:03,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:03,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:03,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:04,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 303 [2024-11-07 15:35:04,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 298 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-07 15:35:04,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:04,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 303 [2024-11-07 15:35:04,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:04,730 INFO L124 PetriNetUnfolderBase]: 560/2347 cut-off events. [2024-11-07 15:35:04,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:04,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3589 conditions, 2347 events. 560/2347 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14857 event pairs, 560 based on Foata normal form. 0/2140 useless extension candidates. Maximal degree in co-relation 3391. Up to 1198 conditions per place. [2024-11-07 15:35:04,741 INFO L140 encePairwiseOnDemand]: 279/303 looper letters, 77 selfloop transitions, 20 changer transitions 0/294 dead transitions. [2024-11-07 15:35:04,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 294 transitions, 824 flow [2024-11-07 15:35:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1313 transitions. [2024-11-07 15:35:04,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-11-07 15:35:04,746 INFO L175 Difference]: Start difference. First operand has 306 places, 298 transitions, 638 flow. Second operand 6 states and 1313 transitions. [2024-11-07 15:35:04,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 294 transitions, 824 flow [2024-11-07 15:35:04,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 294 transitions, 784 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:04,758 INFO L231 Difference]: Finished difference. Result has 302 places, 294 transitions, 630 flow [2024-11-07 15:35:04,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=302, PETRI_TRANSITIONS=294} [2024-11-07 15:35:04,760 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -4 predicate places. [2024-11-07 15:35:04,760 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 294 transitions, 630 flow [2024-11-07 15:35:04,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 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) [2024-11-07 15:35:04,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:04,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:04,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:35:04,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:04,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1190899758, now seen corresponding path program 1 times [2024-11-07 15:35:04,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:04,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508357055] [2024-11-07 15:35:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:04,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508357055] [2024-11-07 15:35:04,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508357055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:04,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:04,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48569699] [2024-11-07 15:35:04,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:04,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:04,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:04,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 303 [2024-11-07 15:35:04,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 294 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-07 15:35:04,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:04,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 303 [2024-11-07 15:35:04,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:04,997 INFO L124 PetriNetUnfolderBase]: 30/743 cut-off events. [2024-11-07 15:35:04,997 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:04,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 743 events. 30/743 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2643 event pairs, 30 based on Foata normal form. 0/668 useless extension candidates. Maximal degree in co-relation 671. Up to 78 conditions per place. [2024-11-07 15:35:05,000 INFO L140 encePairwiseOnDemand]: 300/303 looper letters, 17 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-07 15:35:05,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 293 transitions, 666 flow [2024-11-07 15:35:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 869 transitions. [2024-11-07 15:35:05,003 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9559955995599559 [2024-11-07 15:35:05,003 INFO L175 Difference]: Start difference. First operand has 302 places, 294 transitions, 630 flow. Second operand 3 states and 869 transitions. [2024-11-07 15:35:05,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 293 transitions, 666 flow [2024-11-07 15:35:05,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 293 transitions, 626 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:05,011 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 592 flow [2024-11-07 15:35:05,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2024-11-07 15:35:05,013 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -8 predicate places. [2024-11-07 15:35:05,013 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 592 flow [2024-11-07 15:35:05,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-07 15:35:05,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:05,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:05,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:35:05,014 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -51795839, now seen corresponding path program 1 times [2024-11-07 15:35:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771006632] [2024-11-07 15:35:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:05,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:05,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:05,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771006632] [2024-11-07 15:35:05,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771006632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:05,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:05,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676676117] [2024-11-07 15:35:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:05,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:05,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:05,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 303 [2024-11-07 15:35:05,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2024-11-07 15:35:05,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:05,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 303 [2024-11-07 15:35:05,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:05,178 INFO L124 PetriNetUnfolderBase]: 36/775 cut-off events. [2024-11-07 15:35:05,178 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:05,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 775 events. 36/775 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2999 event pairs, 36 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 813. Up to 89 conditions per place. [2024-11-07 15:35:05,182 INFO L140 encePairwiseOnDemand]: 298/303 looper letters, 17 selfloop transitions, 1 changer transitions 0/289 dead transitions. [2024-11-07 15:35:05,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 620 flow [2024-11-07 15:35:05,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 865 transitions. [2024-11-07 15:35:05,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9515951595159516 [2024-11-07 15:35:05,184 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 592 flow. Second operand 3 states and 865 transitions. [2024-11-07 15:35:05,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 620 flow [2024-11-07 15:35:05,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 289 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:05,189 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 582 flow [2024-11-07 15:35:05,189 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-07 15:35:05,190 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -12 predicate places. [2024-11-07 15:35:05,190 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 582 flow [2024-11-07 15:35:05,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2024-11-07 15:35:05,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:05,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:05,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:35:05,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:05,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:05,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1997372483, now seen corresponding path program 1 times [2024-11-07 15:35:05,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:05,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126222711] [2024-11-07 15:35:05,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:05,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:05,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126222711] [2024-11-07 15:35:05,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126222711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:05,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:05,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:05,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188390033] [2024-11-07 15:35:05,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:05,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:05,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:05,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:05,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:06,072 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 303 [2024-11-07 15:35:06,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 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) [2024-11-07 15:35:06,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:06,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 303 [2024-11-07 15:35:06,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:06,532 INFO L124 PetriNetUnfolderBase]: 638/2544 cut-off events. [2024-11-07 15:35:06,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:06,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3924 conditions, 2544 events. 638/2544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 16231 event pairs, 638 based on Foata normal form. 0/2342 useless extension candidates. Maximal degree in co-relation 3855. Up to 1370 conditions per place. [2024-11-07 15:35:06,544 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 93 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-07 15:35:06,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 288 transitions, 776 flow [2024-11-07 15:35:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1323 transitions. [2024-11-07 15:35:06,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7277227722772277 [2024-11-07 15:35:06,549 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 582 flow. Second operand 6 states and 1323 transitions. [2024-11-07 15:35:06,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 288 transitions, 776 flow [2024-11-07 15:35:06,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 288 transitions, 775 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:06,554 INFO L231 Difference]: Finished difference. Result has 297 places, 288 transitions, 589 flow [2024-11-07 15:35:06,555 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=589, PETRI_PLACES=297, PETRI_TRANSITIONS=288} [2024-11-07 15:35:06,556 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -9 predicate places. [2024-11-07 15:35:06,556 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 288 transitions, 589 flow [2024-11-07 15:35:06,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 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) [2024-11-07 15:35:06,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:06,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:06,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:35:06,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:06,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:06,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1310489849, now seen corresponding path program 1 times [2024-11-07 15:35:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:06,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668034334] [2024-11-07 15:35:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:06,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:06,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668034334] [2024-11-07 15:35:06,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668034334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:06,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:06,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:06,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745256279] [2024-11-07 15:35:06,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:06,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:06,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:06,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:06,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 303 [2024-11-07 15:35:06,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 288 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-07 15:35:06,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:06,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 303 [2024-11-07 15:35:06,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:06,743 INFO L124 PetriNetUnfolderBase]: 30/731 cut-off events. [2024-11-07 15:35:06,743 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:06,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 731 events. 30/731 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2651 event pairs, 30 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 762. Up to 78 conditions per place. [2024-11-07 15:35:06,746 INFO L140 encePairwiseOnDemand]: 300/303 looper letters, 17 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-11-07 15:35:06,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 287 transitions, 625 flow [2024-11-07 15:35:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 869 transitions. [2024-11-07 15:35:06,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9559955995599559 [2024-11-07 15:35:06,750 INFO L175 Difference]: Start difference. First operand has 297 places, 288 transitions, 589 flow. Second operand 3 states and 869 transitions. [2024-11-07 15:35:06,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 287 transitions, 625 flow [2024-11-07 15:35:06,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 287 transitions, 615 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:06,754 INFO L231 Difference]: Finished difference. Result has 293 places, 287 transitions, 581 flow [2024-11-07 15:35:06,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=293, PETRI_TRANSITIONS=287} [2024-11-07 15:35:06,756 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -13 predicate places. [2024-11-07 15:35:06,757 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 287 transitions, 581 flow [2024-11-07 15:35:06,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-07 15:35:06,758 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:06,758 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:06,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:35:06,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:06,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:06,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1070039900, now seen corresponding path program 1 times [2024-11-07 15:35:06,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:06,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107064499] [2024-11-07 15:35:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:06,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:06,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:06,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107064499] [2024-11-07 15:35:06,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107064499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:06,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:06,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131046334] [2024-11-07 15:35:06,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:06,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:06,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:06,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:06,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:06,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 303 [2024-11-07 15:35:06,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 287 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2024-11-07 15:35:06,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:06,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 303 [2024-11-07 15:35:06,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:06,943 INFO L124 PetriNetUnfolderBase]: 36/759 cut-off events. [2024-11-07 15:35:06,944 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:06,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 759 events. 36/759 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2902 event pairs, 36 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 799. Up to 89 conditions per place. [2024-11-07 15:35:06,947 INFO L140 encePairwiseOnDemand]: 298/303 looper letters, 17 selfloop transitions, 1 changer transitions 0/283 dead transitions. [2024-11-07 15:35:06,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 283 transitions, 609 flow [2024-11-07 15:35:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 865 transitions. [2024-11-07 15:35:06,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9515951595159516 [2024-11-07 15:35:06,949 INFO L175 Difference]: Start difference. First operand has 293 places, 287 transitions, 581 flow. Second operand 3 states and 865 transitions. [2024-11-07 15:35:06,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 283 transitions, 609 flow [2024-11-07 15:35:06,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 283 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:06,954 INFO L231 Difference]: Finished difference. Result has 289 places, 283 transitions, 571 flow [2024-11-07 15:35:06,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=289, PETRI_TRANSITIONS=283} [2024-11-07 15:35:06,957 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -17 predicate places. [2024-11-07 15:35:06,957 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 283 transitions, 571 flow [2024-11-07 15:35:06,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 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) [2024-11-07 15:35:06,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:06,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:06,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:35:06,958 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:06,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:06,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1257937337, now seen corresponding path program 1 times [2024-11-07 15:35:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:06,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200190795] [2024-11-07 15:35:06,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:06,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:07,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:07,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200190795] [2024-11-07 15:35:07,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200190795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:07,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:07,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137882975] [2024-11-07 15:35:07,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:07,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:07,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:07,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:07,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:08,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 303 [2024-11-07 15:35:08,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 283 transitions, 571 flow. Second operand has 6 states, 6 states have (on average 211.5) internal successors, (1269), 6 states have internal predecessors, (1269), 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) [2024-11-07 15:35:08,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:08,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 303 [2024-11-07 15:35:08,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:08,481 INFO L124 PetriNetUnfolderBase]: 638/2453 cut-off events. [2024-11-07 15:35:08,481 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:08,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3834 conditions, 2453 events. 638/2453 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 15350 event pairs, 638 based on Foata normal form. 0/2306 useless extension candidates. Maximal degree in co-relation 3766. Up to 1370 conditions per place. [2024-11-07 15:35:08,491 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 93 selfloop transitions, 5 changer transitions 0/282 dead transitions. [2024-11-07 15:35:08,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 282 transitions, 765 flow [2024-11-07 15:35:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1323 transitions. [2024-11-07 15:35:08,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7277227722772277 [2024-11-07 15:35:08,494 INFO L175 Difference]: Start difference. First operand has 289 places, 283 transitions, 571 flow. Second operand 6 states and 1323 transitions. [2024-11-07 15:35:08,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 282 transitions, 765 flow [2024-11-07 15:35:08,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 282 transitions, 764 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:08,499 INFO L231 Difference]: Finished difference. Result has 292 places, 282 transitions, 578 flow [2024-11-07 15:35:08,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=292, PETRI_TRANSITIONS=282} [2024-11-07 15:35:08,500 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -14 predicate places. [2024-11-07 15:35:08,500 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 282 transitions, 578 flow [2024-11-07 15:35:08,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.5) internal successors, (1269), 6 states have internal predecessors, (1269), 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) [2024-11-07 15:35:08,501 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:08,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:08,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:35:08,501 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:08,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:08,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1020988562, now seen corresponding path program 1 times [2024-11-07 15:35:08,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:08,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400599567] [2024-11-07 15:35:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:09,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:09,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400599567] [2024-11-07 15:35:09,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400599567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:09,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:09,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:09,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105937172] [2024-11-07 15:35:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:09,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:09,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:09,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:09,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:09,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 303 [2024-11-07 15:35:09,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 282 transitions, 578 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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) [2024-11-07 15:35:09,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:09,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 303 [2024-11-07 15:35:09,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:10,276 INFO L124 PetriNetUnfolderBase]: 232/1812 cut-off events. [2024-11-07 15:35:10,276 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:10,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2378 conditions, 1812 events. 232/1812 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11411 event pairs, 20 based on Foata normal form. 0/1688 useless extension candidates. Maximal degree in co-relation 2310. Up to 313 conditions per place. [2024-11-07 15:35:10,286 INFO L140 encePairwiseOnDemand]: 284/303 looper letters, 108 selfloop transitions, 38 changer transitions 0/356 dead transitions. [2024-11-07 15:35:10,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 356 transitions, 1018 flow [2024-11-07 15:35:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1534 transitions. [2024-11-07 15:35:10,290 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8437843784378438 [2024-11-07 15:35:10,290 INFO L175 Difference]: Start difference. First operand has 292 places, 282 transitions, 578 flow. Second operand 6 states and 1534 transitions. [2024-11-07 15:35:10,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 356 transitions, 1018 flow [2024-11-07 15:35:10,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 356 transitions, 1008 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:10,300 INFO L231 Difference]: Finished difference. Result has 296 places, 318 transitions, 826 flow [2024-11-07 15:35:10,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=296, PETRI_TRANSITIONS=318} [2024-11-07 15:35:10,301 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -10 predicate places. [2024-11-07 15:35:10,301 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 318 transitions, 826 flow [2024-11-07 15:35:10,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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) [2024-11-07 15:35:10,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:10,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:10,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:35:10,302 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:10,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:10,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1700975626, now seen corresponding path program 1 times [2024-11-07 15:35:10,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:10,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273523563] [2024-11-07 15:35:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:10,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273523563] [2024-11-07 15:35:10,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273523563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:10,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:10,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:10,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457317345] [2024-11-07 15:35:10,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:10,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:10,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:10,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:11,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 303 [2024-11-07 15:35:11,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 318 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 245.0) internal successors, (1470), 6 states have internal predecessors, (1470), 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) [2024-11-07 15:35:11,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:11,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 303 [2024-11-07 15:35:11,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:11,681 INFO L124 PetriNetUnfolderBase]: 185/1616 cut-off events. [2024-11-07 15:35:11,681 INFO L125 PetriNetUnfolderBase]: For 202/207 co-relation queries the response was YES. [2024-11-07 15:35:11,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2396 conditions, 1616 events. 185/1616 cut-off events. For 202/207 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 9995 event pairs, 75 based on Foata normal form. 0/1496 useless extension candidates. Maximal degree in co-relation 2326. Up to 362 conditions per place. [2024-11-07 15:35:11,690 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 104 selfloop transitions, 5 changer transitions 0/333 dead transitions. [2024-11-07 15:35:11,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 333 transitions, 1074 flow [2024-11-07 15:35:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1504 transitions. [2024-11-07 15:35:11,694 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8272827282728272 [2024-11-07 15:35:11,694 INFO L175 Difference]: Start difference. First operand has 296 places, 318 transitions, 826 flow. Second operand 6 states and 1504 transitions. [2024-11-07 15:35:11,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 333 transitions, 1074 flow [2024-11-07 15:35:11,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 333 transitions, 1074 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:11,704 INFO L231 Difference]: Finished difference. Result has 300 places, 317 transitions, 834 flow [2024-11-07 15:35:11,705 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=834, PETRI_PLACES=300, PETRI_TRANSITIONS=317} [2024-11-07 15:35:11,705 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -6 predicate places. [2024-11-07 15:35:11,706 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 317 transitions, 834 flow [2024-11-07 15:35:11,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 245.0) internal successors, (1470), 6 states have internal predecessors, (1470), 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) [2024-11-07 15:35:11,707 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:11,707 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:11,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:35:11,708 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:11,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1294831474, now seen corresponding path program 1 times [2024-11-07 15:35:11,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:11,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120938099] [2024-11-07 15:35:11,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:12,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:12,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120938099] [2024-11-07 15:35:12,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120938099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:12,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:12,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:12,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945775063] [2024-11-07 15:35:12,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:12,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:12,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:12,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:12,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:12,796 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 303 [2024-11-07 15:35:12,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 317 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 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) [2024-11-07 15:35:12,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:12,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 303 [2024-11-07 15:35:12,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:13,305 INFO L124 PetriNetUnfolderBase]: 583/2973 cut-off events. [2024-11-07 15:35:13,305 INFO L125 PetriNetUnfolderBase]: For 700/707 co-relation queries the response was YES. [2024-11-07 15:35:13,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5060 conditions, 2973 events. 583/2973 cut-off events. For 700/707 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 21810 event pairs, 69 based on Foata normal form. 0/2786 useless extension candidates. Maximal degree in co-relation 4987. Up to 804 conditions per place. [2024-11-07 15:35:13,321 INFO L140 encePairwiseOnDemand]: 281/303 looper letters, 120 selfloop transitions, 72 changer transitions 0/406 dead transitions. [2024-11-07 15:35:13,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 406 transitions, 1588 flow [2024-11-07 15:35:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1506 transitions. [2024-11-07 15:35:13,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8283828382838284 [2024-11-07 15:35:13,326 INFO L175 Difference]: Start difference. First operand has 300 places, 317 transitions, 834 flow. Second operand 6 states and 1506 transitions. [2024-11-07 15:35:13,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 406 transitions, 1588 flow [2024-11-07 15:35:13,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 406 transitions, 1570 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:13,338 INFO L231 Difference]: Finished difference. Result has 305 places, 387 transitions, 1490 flow [2024-11-07 15:35:13,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1490, PETRI_PLACES=305, PETRI_TRANSITIONS=387} [2024-11-07 15:35:13,339 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, -1 predicate places. [2024-11-07 15:35:13,339 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 387 transitions, 1490 flow [2024-11-07 15:35:13,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 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) [2024-11-07 15:35:13,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:13,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:13,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:35:13,341 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:13,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:13,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1841072123, now seen corresponding path program 1 times [2024-11-07 15:35:13,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:13,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438149675] [2024-11-07 15:35:13,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:13,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438149675] [2024-11-07 15:35:13,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438149675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:13,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:13,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909287892] [2024-11-07 15:35:13,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:13,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:13,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:13,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:14,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 303 [2024-11-07 15:35:14,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 387 transitions, 1490 flow. Second operand has 6 states, 6 states have (on average 216.66666666666666) internal successors, (1300), 6 states have internal predecessors, (1300), 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) [2024-11-07 15:35:14,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:14,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 303 [2024-11-07 15:35:14,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:15,046 INFO L124 PetriNetUnfolderBase]: 1657/5720 cut-off events. [2024-11-07 15:35:15,046 INFO L125 PetriNetUnfolderBase]: For 3354/3414 co-relation queries the response was YES. [2024-11-07 15:35:15,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12817 conditions, 5720 events. 1657/5720 cut-off events. For 3354/3414 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 45961 event pairs, 861 based on Foata normal form. 0/5391 useless extension candidates. Maximal degree in co-relation 12742. Up to 3155 conditions per place. [2024-11-07 15:35:15,084 INFO L140 encePairwiseOnDemand]: 280/303 looper letters, 209 selfloop transitions, 89 changer transitions 0/487 dead transitions. [2024-11-07 15:35:15,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 487 transitions, 2490 flow [2024-11-07 15:35:15,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1424 transitions. [2024-11-07 15:35:15,088 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7832783278327833 [2024-11-07 15:35:15,089 INFO L175 Difference]: Start difference. First operand has 305 places, 387 transitions, 1490 flow. Second operand 6 states and 1424 transitions. [2024-11-07 15:35:15,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 487 transitions, 2490 flow [2024-11-07 15:35:15,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 487 transitions, 2490 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:15,107 INFO L231 Difference]: Finished difference. Result has 315 places, 471 transitions, 2292 flow [2024-11-07 15:35:15,108 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=1490, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2292, PETRI_PLACES=315, PETRI_TRANSITIONS=471} [2024-11-07 15:35:15,109 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 9 predicate places. [2024-11-07 15:35:15,109 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 471 transitions, 2292 flow [2024-11-07 15:35:15,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 216.66666666666666) internal successors, (1300), 6 states have internal predecessors, (1300), 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) [2024-11-07 15:35:15,109 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:15,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:15,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:35:15,110 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:15,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:15,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2009852660, now seen corresponding path program 1 times [2024-11-07 15:35:15,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:15,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339249231] [2024-11-07 15:35:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:15,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:15,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:15,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339249231] [2024-11-07 15:35:15,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339249231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:15,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:15,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:35:15,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62919510] [2024-11-07 15:35:15,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:15,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:15,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:15,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:15,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:15,290 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 303 [2024-11-07 15:35:15,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 471 transitions, 2292 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-07 15:35:15,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:15,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 303 [2024-11-07 15:35:15,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:15,548 INFO L124 PetriNetUnfolderBase]: 309/1986 cut-off events. [2024-11-07 15:35:15,548 INFO L125 PetriNetUnfolderBase]: For 1179/1248 co-relation queries the response was YES. [2024-11-07 15:35:15,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4121 conditions, 1986 events. 309/1986 cut-off events. For 1179/1248 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13329 event pairs, 31 based on Foata normal form. 4/1914 useless extension candidates. Maximal degree in co-relation 4048. Up to 312 conditions per place. [2024-11-07 15:35:15,559 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 10 selfloop transitions, 6 changer transitions 0/411 dead transitions. [2024-11-07 15:35:15,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 411 transitions, 1760 flow [2024-11-07 15:35:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2024-11-07 15:35:15,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9867986798679867 [2024-11-07 15:35:15,562 INFO L175 Difference]: Start difference. First operand has 315 places, 471 transitions, 2292 flow. Second operand 3 states and 897 transitions. [2024-11-07 15:35:15,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 411 transitions, 1760 flow [2024-11-07 15:35:15,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 411 transitions, 1672 flow, removed 44 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:15,580 INFO L231 Difference]: Finished difference. Result has 318 places, 409 transitions, 1662 flow [2024-11-07 15:35:15,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1662, PETRI_PLACES=318, PETRI_TRANSITIONS=409} [2024-11-07 15:35:15,581 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 12 predicate places. [2024-11-07 15:35:15,582 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 409 transitions, 1662 flow [2024-11-07 15:35:15,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 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) [2024-11-07 15:35:15,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:15,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:15,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:35:15,583 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:15,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash 184465762, now seen corresponding path program 1 times [2024-11-07 15:35:15,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:15,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111942433] [2024-11-07 15:35:15,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:15,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:16,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:16,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111942433] [2024-11-07 15:35:16,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111942433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:16,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:16,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:16,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635655821] [2024-11-07 15:35:16,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:16,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:16,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:16,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:16,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:16,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 303 [2024-11-07 15:35:16,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 409 transitions, 1662 flow. Second operand has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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) [2024-11-07 15:35:16,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:16,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 303 [2024-11-07 15:35:16,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:17,114 INFO L124 PetriNetUnfolderBase]: 690/3138 cut-off events. [2024-11-07 15:35:17,114 INFO L125 PetriNetUnfolderBase]: For 3013/3231 co-relation queries the response was YES. [2024-11-07 15:35:17,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7473 conditions, 3138 events. 690/3138 cut-off events. For 3013/3231 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 23958 event pairs, 54 based on Foata normal form. 20/3047 useless extension candidates. Maximal degree in co-relation 7390. Up to 742 conditions per place. [2024-11-07 15:35:17,126 INFO L140 encePairwiseOnDemand]: 284/303 looper letters, 192 selfloop transitions, 124 changer transitions 4/567 dead transitions. [2024-11-07 15:35:17,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 567 transitions, 3269 flow [2024-11-07 15:35:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1552 transitions. [2024-11-07 15:35:17,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8536853685368537 [2024-11-07 15:35:17,130 INFO L175 Difference]: Start difference. First operand has 318 places, 409 transitions, 1662 flow. Second operand 6 states and 1552 transitions. [2024-11-07 15:35:17,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 567 transitions, 3269 flow [2024-11-07 15:35:17,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 567 transitions, 3246 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:17,151 INFO L231 Difference]: Finished difference. Result has 326 places, 511 transitions, 3038 flow [2024-11-07 15:35:17,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=1654, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3038, PETRI_PLACES=326, PETRI_TRANSITIONS=511} [2024-11-07 15:35:17,152 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 20 predicate places. [2024-11-07 15:35:17,153 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 511 transitions, 3038 flow [2024-11-07 15:35:17,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 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) [2024-11-07 15:35:17,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:17,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:17,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:35:17,154 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:17,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1328841865, now seen corresponding path program 1 times [2024-11-07 15:35:17,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:17,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301267297] [2024-11-07 15:35:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:17,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:17,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301267297] [2024-11-07 15:35:17,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301267297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:17,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:17,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:17,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048098125] [2024-11-07 15:35:17,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:17,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:17,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:17,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:17,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:18,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 303 [2024-11-07 15:35:18,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 511 transitions, 3038 flow. Second operand has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 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) [2024-11-07 15:35:18,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:18,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 303 [2024-11-07 15:35:18,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:18,510 INFO L124 PetriNetUnfolderBase]: 605/2915 cut-off events. [2024-11-07 15:35:18,510 INFO L125 PetriNetUnfolderBase]: For 5617/5790 co-relation queries the response was YES. [2024-11-07 15:35:18,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7856 conditions, 2915 events. 605/2915 cut-off events. For 5617/5790 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 21873 event pairs, 92 based on Foata normal form. 18/2877 useless extension candidates. Maximal degree in co-relation 7770. Up to 811 conditions per place. [2024-11-07 15:35:18,528 INFO L140 encePairwiseOnDemand]: 297/303 looper letters, 226 selfloop transitions, 17 changer transitions 0/526 dead transitions. [2024-11-07 15:35:18,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 526 transitions, 3578 flow [2024-11-07 15:35:18,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1504 transitions. [2024-11-07 15:35:18,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8272827282728272 [2024-11-07 15:35:18,532 INFO L175 Difference]: Start difference. First operand has 326 places, 511 transitions, 3038 flow. Second operand 6 states and 1504 transitions. [2024-11-07 15:35:18,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 526 transitions, 3578 flow [2024-11-07 15:35:18,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 526 transitions, 3560 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:18,561 INFO L231 Difference]: Finished difference. Result has 330 places, 510 transitions, 3052 flow [2024-11-07 15:35:18,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=3018, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3052, PETRI_PLACES=330, PETRI_TRANSITIONS=510} [2024-11-07 15:35:18,562 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 24 predicate places. [2024-11-07 15:35:18,562 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 510 transitions, 3052 flow [2024-11-07 15:35:18,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.0) internal successors, (1476), 6 states have internal predecessors, (1476), 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) [2024-11-07 15:35:18,563 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:18,563 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:18,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:35:18,564 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:18,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1396133518, now seen corresponding path program 1 times [2024-11-07 15:35:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979322253] [2024-11-07 15:35:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979322253] [2024-11-07 15:35:19,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979322253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:19,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:19,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:19,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645488399] [2024-11-07 15:35:19,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:19,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:19,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:19,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:19,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:19,404 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 303 [2024-11-07 15:35:19,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 510 transitions, 3052 flow. Second operand has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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) [2024-11-07 15:35:19,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:19,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 303 [2024-11-07 15:35:19,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:20,110 INFO L124 PetriNetUnfolderBase]: 1547/5186 cut-off events. [2024-11-07 15:35:20,110 INFO L125 PetriNetUnfolderBase]: For 7490/7571 co-relation queries the response was YES. [2024-11-07 15:35:20,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15171 conditions, 5186 events. 1547/5186 cut-off events. For 7490/7571 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 41346 event pairs, 582 based on Foata normal form. 1/5034 useless extension candidates. Maximal degree in co-relation 15084. Up to 2889 conditions per place. [2024-11-07 15:35:20,137 INFO L140 encePairwiseOnDemand]: 280/303 looper letters, 312 selfloop transitions, 103 changer transitions 8/616 dead transitions. [2024-11-07 15:35:20,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 616 transitions, 4508 flow [2024-11-07 15:35:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1424 transitions. [2024-11-07 15:35:20,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7832783278327833 [2024-11-07 15:35:20,140 INFO L175 Difference]: Start difference. First operand has 330 places, 510 transitions, 3052 flow. Second operand 6 states and 1424 transitions. [2024-11-07 15:35:20,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 616 transitions, 4508 flow [2024-11-07 15:35:20,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 616 transitions, 4474 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:20,178 INFO L231 Difference]: Finished difference. Result has 335 places, 596 transitions, 4036 flow [2024-11-07 15:35:20,178 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=3018, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4036, PETRI_PLACES=335, PETRI_TRANSITIONS=596} [2024-11-07 15:35:20,179 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 29 predicate places. [2024-11-07 15:35:20,179 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 596 transitions, 4036 flow [2024-11-07 15:35:20,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 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) [2024-11-07 15:35:20,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:20,180 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:20,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:35:20,180 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:20,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 72147898, now seen corresponding path program 1 times [2024-11-07 15:35:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:20,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981795894] [2024-11-07 15:35:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:20,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:22,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:22,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981795894] [2024-11-07 15:35:22,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981795894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:22,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:22,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-07 15:35:22,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912565346] [2024-11-07 15:35:22,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:22,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 15:35:22,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:22,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 15:35:22,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2024-11-07 15:35:25,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 303 [2024-11-07 15:35:25,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 596 transitions, 4036 flow. Second operand has 24 states, 24 states have (on average 160.04166666666666) internal successors, (3841), 24 states have internal predecessors, (3841), 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) [2024-11-07 15:35:25,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:25,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 303 [2024-11-07 15:35:25,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:27,472 INFO L124 PetriNetUnfolderBase]: 1733/5599 cut-off events. [2024-11-07 15:35:27,473 INFO L125 PetriNetUnfolderBase]: For 11190/11272 co-relation queries the response was YES. [2024-11-07 15:35:27,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18568 conditions, 5599 events. 1733/5599 cut-off events. For 11190/11272 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 45023 event pairs, 507 based on Foata normal form. 14/5545 useless extension candidates. Maximal degree in co-relation 18461. Up to 2210 conditions per place. [2024-11-07 15:35:27,493 INFO L140 encePairwiseOnDemand]: 265/303 looper letters, 531 selfloop transitions, 110 changer transitions 30/810 dead transitions. [2024-11-07 15:35:27,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 810 transitions, 6968 flow [2024-11-07 15:35:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 15:35:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2024-11-07 15:35:27,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5731 transitions. [2024-11-07 15:35:27,503 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5404054691183404 [2024-11-07 15:35:27,503 INFO L175 Difference]: Start difference. First operand has 335 places, 596 transitions, 4036 flow. Second operand 35 states and 5731 transitions. [2024-11-07 15:35:27,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 810 transitions, 6968 flow [2024-11-07 15:35:27,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 810 transitions, 6764 flow, removed 102 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:27,559 INFO L231 Difference]: Finished difference. Result has 379 places, 628 transitions, 4474 flow [2024-11-07 15:35:27,559 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=3888, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=4474, PETRI_PLACES=379, PETRI_TRANSITIONS=628} [2024-11-07 15:35:27,560 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 73 predicate places. [2024-11-07 15:35:27,560 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 628 transitions, 4474 flow [2024-11-07 15:35:27,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 160.04166666666666) internal successors, (3841), 24 states have internal predecessors, (3841), 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) [2024-11-07 15:35:27,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:27,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:27,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:35:27,562 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:27,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash 193562789, now seen corresponding path program 1 times [2024-11-07 15:35:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:27,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480380279] [2024-11-07 15:35:27,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:29,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:29,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480380279] [2024-11-07 15:35:29,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480380279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:29,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:29,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:35:29,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140326071] [2024-11-07 15:35:29,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:29,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:35:29,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:29,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:35:29,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:35:34,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 303 [2024-11-07 15:35:34,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 628 transitions, 4474 flow. Second operand has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:34,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:34,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 303 [2024-11-07 15:35:34,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:35,617 INFO L124 PetriNetUnfolderBase]: 1401/5264 cut-off events. [2024-11-07 15:35:35,617 INFO L125 PetriNetUnfolderBase]: For 13169/13328 co-relation queries the response was YES. [2024-11-07 15:35:35,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17741 conditions, 5264 events. 1401/5264 cut-off events. For 13169/13328 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 44595 event pairs, 197 based on Foata normal form. 27/5224 useless extension candidates. Maximal degree in co-relation 17617. Up to 1530 conditions per place. [2024-11-07 15:35:35,642 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 389 selfloop transitions, 125 changer transitions 7/771 dead transitions. [2024-11-07 15:35:35,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 771 transitions, 6739 flow [2024-11-07 15:35:35,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 15:35:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-07 15:35:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 5079 transitions. [2024-11-07 15:35:35,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6208287495416208 [2024-11-07 15:35:35,646 INFO L175 Difference]: Start difference. First operand has 379 places, 628 transitions, 4474 flow. Second operand 27 states and 5079 transitions. [2024-11-07 15:35:35,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 771 transitions, 6739 flow [2024-11-07 15:35:35,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 771 transitions, 6611 flow, removed 48 selfloop flow, removed 14 redundant places. [2024-11-07 15:35:35,695 INFO L231 Difference]: Finished difference. Result has 399 places, 687 transitions, 5592 flow [2024-11-07 15:35:35,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=4382, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=509, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=5592, PETRI_PLACES=399, PETRI_TRANSITIONS=687} [2024-11-07 15:35:35,696 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 93 predicate places. [2024-11-07 15:35:35,697 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 687 transitions, 5592 flow [2024-11-07 15:35:35,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:35,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:35,699 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:35,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:35:35,699 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:35,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:35,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1087645431, now seen corresponding path program 2 times [2024-11-07 15:35:35,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:35,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447513021] [2024-11-07 15:35:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:35,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:37,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:37,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447513021] [2024-11-07 15:35:37,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447513021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:37,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:37,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:35:37,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774280858] [2024-11-07 15:35:37,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:37,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:35:37,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:37,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:35:37,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:35:41,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 303 [2024-11-07 15:35:41,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 687 transitions, 5592 flow. Second operand has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:41,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:41,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 303 [2024-11-07 15:35:41,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:42,792 INFO L124 PetriNetUnfolderBase]: 1459/5384 cut-off events. [2024-11-07 15:35:42,792 INFO L125 PetriNetUnfolderBase]: For 17388/17566 co-relation queries the response was YES. [2024-11-07 15:35:42,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19356 conditions, 5384 events. 1459/5384 cut-off events. For 17388/17566 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 45296 event pairs, 191 based on Foata normal form. 58/5375 useless extension candidates. Maximal degree in co-relation 19222. Up to 1137 conditions per place. [2024-11-07 15:35:42,825 INFO L140 encePairwiseOnDemand]: 267/303 looper letters, 412 selfloop transitions, 153 changer transitions 8/823 dead transitions. [2024-11-07 15:35:42,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 823 transitions, 7880 flow [2024-11-07 15:35:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 15:35:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-11-07 15:35:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 6187 transitions. [2024-11-07 15:35:42,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6187618761876188 [2024-11-07 15:35:42,830 INFO L175 Difference]: Start difference. First operand has 399 places, 687 transitions, 5592 flow. Second operand 33 states and 6187 transitions. [2024-11-07 15:35:42,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 823 transitions, 7880 flow [2024-11-07 15:35:42,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 823 transitions, 7797 flow, removed 20 selfloop flow, removed 17 redundant places. [2024-11-07 15:35:42,898 INFO L231 Difference]: Finished difference. Result has 425 places, 742 transitions, 6615 flow [2024-11-07 15:35:42,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=5535, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=6615, PETRI_PLACES=425, PETRI_TRANSITIONS=742} [2024-11-07 15:35:42,898 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 119 predicate places. [2024-11-07 15:35:42,899 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 742 transitions, 6615 flow [2024-11-07 15:35:42,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:42,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:42,900 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:42,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:35:42,900 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:42,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1128305695, now seen corresponding path program 3 times [2024-11-07 15:35:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:42,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541069701] [2024-11-07 15:35:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:44,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:44,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541069701] [2024-11-07 15:35:44,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541069701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:44,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:44,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:35:44,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213680805] [2024-11-07 15:35:44,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:44,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:35:44,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:44,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:35:44,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:35:49,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 303 [2024-11-07 15:35:49,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 742 transitions, 6615 flow. Second operand has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:49,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:49,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 303 [2024-11-07 15:35:49,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:51,537 INFO L124 PetriNetUnfolderBase]: 1684/6158 cut-off events. [2024-11-07 15:35:51,538 INFO L125 PetriNetUnfolderBase]: For 26655/26956 co-relation queries the response was YES. [2024-11-07 15:35:51,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23685 conditions, 6158 events. 1684/6158 cut-off events. For 26655/26956 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 54271 event pairs, 224 based on Foata normal form. 95/6174 useless extension candidates. Maximal degree in co-relation 23539. Up to 1607 conditions per place. [2024-11-07 15:35:51,588 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 473 selfloop transitions, 163 changer transitions 7/893 dead transitions. [2024-11-07 15:35:51,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 893 transitions, 9498 flow [2024-11-07 15:35:51,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-07 15:35:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2024-11-07 15:35:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 5449 transitions. [2024-11-07 15:35:51,593 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6201206327529305 [2024-11-07 15:35:51,594 INFO L175 Difference]: Start difference. First operand has 425 places, 742 transitions, 6615 flow. Second operand 29 states and 5449 transitions. [2024-11-07 15:35:51,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 893 transitions, 9498 flow [2024-11-07 15:35:51,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 893 transitions, 9415 flow, removed 19 selfloop flow, removed 18 redundant places. [2024-11-07 15:35:51,896 INFO L231 Difference]: Finished difference. Result has 440 places, 803 transitions, 8137 flow [2024-11-07 15:35:51,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=6534, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=8137, PETRI_PLACES=440, PETRI_TRANSITIONS=803} [2024-11-07 15:35:51,897 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 134 predicate places. [2024-11-07 15:35:51,897 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 803 transitions, 8137 flow [2024-11-07 15:35:51,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:51,899 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:51,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:35:51,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:35:51,900 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:35:51,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash -969128125, now seen corresponding path program 4 times [2024-11-07 15:35:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:51,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66025707] [2024-11-07 15:35:51,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:53,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:53,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66025707] [2024-11-07 15:35:53,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66025707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:53,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:53,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:35:53,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122438785] [2024-11-07 15:35:53,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:53,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:35:53,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:53,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:35:53,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:35:57,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 303 [2024-11-07 15:35:57,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 803 transitions, 8137 flow. Second operand has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:35:57,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:57,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 303 [2024-11-07 15:35:57,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:59,964 INFO L124 PetriNetUnfolderBase]: 1926/6932 cut-off events. [2024-11-07 15:35:59,964 INFO L125 PetriNetUnfolderBase]: For 39480/39845 co-relation queries the response was YES. [2024-11-07 15:36:00,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28194 conditions, 6932 events. 1926/6932 cut-off events. For 39480/39845 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 63280 event pairs, 249 based on Foata normal form. 86/6930 useless extension candidates. Maximal degree in co-relation 28042. Up to 1554 conditions per place. [2024-11-07 15:36:00,027 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 527 selfloop transitions, 211 changer transitions 7/995 dead transitions. [2024-11-07 15:36:00,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 995 transitions, 12036 flow [2024-11-07 15:36:00,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 15:36:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-07 15:36:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 5828 transitions. [2024-11-07 15:36:00,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6204620462046204 [2024-11-07 15:36:00,031 INFO L175 Difference]: Start difference. First operand has 440 places, 803 transitions, 8137 flow. Second operand 31 states and 5828 transitions. [2024-11-07 15:36:00,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 995 transitions, 12036 flow [2024-11-07 15:36:00,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 995 transitions, 11939 flow, removed 10 selfloop flow, removed 21 redundant places. [2024-11-07 15:36:00,168 INFO L231 Difference]: Finished difference. Result has 459 places, 882 transitions, 10307 flow [2024-11-07 15:36:00,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=8050, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=803, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=10307, PETRI_PLACES=459, PETRI_TRANSITIONS=882} [2024-11-07 15:36:00,169 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 153 predicate places. [2024-11-07 15:36:00,170 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 882 transitions, 10307 flow [2024-11-07 15:36:00,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:36:00,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:00,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:00,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:36:00,171 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:36:00,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:00,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1080978813, now seen corresponding path program 5 times [2024-11-07 15:36:00,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:00,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747507419] [2024-11-07 15:36:00,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:00,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:01,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:01,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747507419] [2024-11-07 15:36:01,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747507419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:01,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:01,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:36:01,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896893942] [2024-11-07 15:36:01,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:01,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:36:01,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:01,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:36:01,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-07 15:36:06,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 303 [2024-11-07 15:36:06,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 882 transitions, 10307 flow. Second operand has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:36:06,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:06,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 303 [2024-11-07 15:36:06,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:08,848 INFO L124 PetriNetUnfolderBase]: 2128/7657 cut-off events. [2024-11-07 15:36:08,848 INFO L125 PetriNetUnfolderBase]: For 56097/56533 co-relation queries the response was YES. [2024-11-07 15:36:08,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32696 conditions, 7657 events. 2128/7657 cut-off events. For 56097/56533 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 72274 event pairs, 272 based on Foata normal form. 108/7668 useless extension candidates. Maximal degree in co-relation 32533. Up to 1886 conditions per place. [2024-11-07 15:36:08,902 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 538 selfloop transitions, 248 changer transitions 7/1043 dead transitions. [2024-11-07 15:36:08,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1043 transitions, 14067 flow [2024-11-07 15:36:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 15:36:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-07 15:36:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5639 transitions. [2024-11-07 15:36:08,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6203520352035203 [2024-11-07 15:36:08,907 INFO L175 Difference]: Start difference. First operand has 459 places, 882 transitions, 10307 flow. Second operand 30 states and 5639 transitions. [2024-11-07 15:36:08,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1043 transitions, 14067 flow [2024-11-07 15:36:09,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 1043 transitions, 13944 flow, removed 38 selfloop flow, removed 18 redundant places. [2024-11-07 15:36:09,119 INFO L231 Difference]: Finished difference. Result has 478 places, 941 transitions, 12461 flow [2024-11-07 15:36:09,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=10184, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=12461, PETRI_PLACES=478, PETRI_TRANSITIONS=941} [2024-11-07 15:36:09,120 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 172 predicate places. [2024-11-07 15:36:09,120 INFO L471 AbstractCegarLoop]: Abstraction has has 478 places, 941 transitions, 12461 flow [2024-11-07 15:36:09,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 185.47826086956522) internal successors, (4266), 23 states have internal predecessors, (4266), 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) [2024-11-07 15:36:09,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:09,121 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:09,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:36:09,121 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:36:09,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:09,121 INFO L85 PathProgramCache]: Analyzing trace with hash -843616089, now seen corresponding path program 1 times [2024-11-07 15:36:09,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:09,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242839283] [2024-11-07 15:36:09,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:09,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:10,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242839283] [2024-11-07 15:36:10,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242839283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:10,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:10,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-07 15:36:10,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331908793] [2024-11-07 15:36:10,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:10,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 15:36:10,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:10,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 15:36:10,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2024-11-07 15:36:14,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 303 [2024-11-07 15:36:14,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 941 transitions, 12461 flow. Second operand has 25 states, 25 states have (on average 183.36) internal successors, (4584), 25 states have internal predecessors, (4584), 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) [2024-11-07 15:36:14,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:14,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 303 [2024-11-07 15:36:14,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:16,852 INFO L124 PetriNetUnfolderBase]: 2187/7786 cut-off events. [2024-11-07 15:36:16,852 INFO L125 PetriNetUnfolderBase]: For 71409/71842 co-relation queries the response was YES. [2024-11-07 15:36:16,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34817 conditions, 7786 events. 2187/7786 cut-off events. For 71409/71842 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 73476 event pairs, 311 based on Foata normal form. 111/7801 useless extension candidates. Maximal degree in co-relation 34645. Up to 1183 conditions per place. [2024-11-07 15:36:16,925 INFO L140 encePairwiseOnDemand]: 263/303 looper letters, 620 selfloop transitions, 247 changer transitions 12/1125 dead transitions. [2024-11-07 15:36:16,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 1125 transitions, 16118 flow [2024-11-07 15:36:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-07 15:36:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2024-11-07 15:36:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 7616 transitions. [2024-11-07 15:36:16,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6130564275939789 [2024-11-07 15:36:16,932 INFO L175 Difference]: Start difference. First operand has 478 places, 941 transitions, 12461 flow. Second operand 41 states and 7616 transitions. [2024-11-07 15:36:16,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 1125 transitions, 16118 flow [2024-11-07 15:36:17,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 1125 transitions, 15984 flow, removed 40 selfloop flow, removed 19 redundant places. [2024-11-07 15:36:17,186 INFO L231 Difference]: Finished difference. Result has 502 places, 961 transitions, 13455 flow [2024-11-07 15:36:17,187 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=12327, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=13455, PETRI_PLACES=502, PETRI_TRANSITIONS=961} [2024-11-07 15:36:17,187 INFO L277 CegarLoopForPetriNet]: 306 programPoint places, 196 predicate places. [2024-11-07 15:36:17,187 INFO L471 AbstractCegarLoop]: Abstraction has has 502 places, 961 transitions, 13455 flow [2024-11-07 15:36:17,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 183.36) internal successors, (4584), 25 states have internal predecessors, (4584), 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) [2024-11-07 15:36:17,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:17,189 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:17,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:36:17,189 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-07 15:36:17,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:17,189 INFO L85 PathProgramCache]: Analyzing trace with hash -937032427, now seen corresponding path program 2 times [2024-11-07 15:36:17,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:17,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065470043] [2024-11-07 15:36:17,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:17,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:18,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:18,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065470043] [2024-11-07 15:36:18,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065470043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:18,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:18,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-07 15:36:18,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966558894] [2024-11-07 15:36:18,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:18,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 15:36:18,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:18,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 15:36:18,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506