./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.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_23-evilcollapse_rc.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', 'edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082'] 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_23-evilcollapse_rc.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 edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:36:30,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:36:30,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:36:30,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:36:30,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:36:30,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:36:30,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:36:30,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:36:30,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:36:30,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:36:30,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:36:30,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:36:30,612 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:36:30,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:36:30,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:36:30,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:36:30,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:36:30,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:36:30,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:36:30,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:36:30,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:36:30,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:36:30,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:36:30,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:36:30,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:36:30,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:36:30,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:36:30,615 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 -> edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 [2024-11-07 15:36:30,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:36:30,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:36:30,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:36:30,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:36:30,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:36:30,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2024-11-07 15:36:32,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:36:32,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:36:32,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_23-evilcollapse_rc.i [2024-11-07 15:36:32,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f7f633ea/fc4f2095435b458fabb7c565274b7395/FLAG36e00eaa7 [2024-11-07 15:36:32,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f7f633ea/fc4f2095435b458fabb7c565274b7395 [2024-11-07 15:36:32,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:36:32,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:36:32,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:36:32,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:36:32,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:36:32,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:36:32" (1/1) ... [2024-11-07 15:36:32,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1249ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:32, skipping insertion in model container [2024-11-07 15:36:32,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:36:32" (1/1) ... [2024-11-07 15:36:32,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:36:33,147 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,148 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,149 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,150 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:36:33,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:36:33,252 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,252 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,253 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,255 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:36:33,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:36:33,333 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:36:33,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33 WrapperNode [2024-11-07 15:36:33,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:36:33,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:36:33,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:36:33,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:36:33,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,396 INFO L138 Inliner]: procedures = 274, calls = 101, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 334 [2024-11-07 15:36:33,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:36:33,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:36:33,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:36:33,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:36:33,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:36:33,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:36:33,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:36:33,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:36:33,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (1/1) ... [2024-11-07 15:36:33,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:36:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:33,496 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 15:36:33,499 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 15:36:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-07 15:36:33,521 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-07 15:36:33,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:36:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:36:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:36:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:36:33,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:36:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:36:33,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:36:33,524 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 15:36:33,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:36:33,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:36:34,262 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:36:34,263 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:36:34,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:36:34,302 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 15:36:34,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:34 BoogieIcfgContainer [2024-11-07 15:36:34,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:36:34,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:36:34,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:36:34,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:36:34,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:36:32" (1/3) ... [2024-11-07 15:36:34,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19737039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:34, skipping insertion in model container [2024-11-07 15:36:34,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:36:33" (2/3) ... [2024-11-07 15:36:34,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19737039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:36:34, skipping insertion in model container [2024-11-07 15:36:34,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:36:34" (3/3) ... [2024-11-07 15:36:34,316 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2024-11-07 15:36:34,330 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:36:34,330 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-07 15:36:34,330 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:36:34,476 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:36:34,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 453 transitions, 914 flow [2024-11-07 15:36:34,698 INFO L124 PetriNetUnfolderBase]: 16/451 cut-off events. [2024-11-07 15:36:34,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:34,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 451 events. 16/451 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 652 event pairs, 0 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 376. Up to 2 conditions per place. [2024-11-07 15:36:34,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 444 places, 453 transitions, 914 flow [2024-11-07 15:36:34,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 442 places, 451 transitions, 908 flow [2024-11-07 15:36:34,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:36:34,746 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;@49f79a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:36:34,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-07 15:36:34,784 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:36:34,785 INFO L124 PetriNetUnfolderBase]: 1/102 cut-off events. [2024-11-07 15:36:34,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:34,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:34,786 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 15:36:34,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:34,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash 594623682, now seen corresponding path program 1 times [2024-11-07 15:36:34,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:34,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711835786] [2024-11-07 15:36:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:35,894 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 15:36:35,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:35,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711835786] [2024-11-07 15:36:35,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711835786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:35,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:35,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:35,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054790814] [2024-11-07 15:36:35,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:35,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:35,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:36,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 453 [2024-11-07 15:36:36,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 451 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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 15:36:36,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:36,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 453 [2024-11-07 15:36:36,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:37,017 INFO L124 PetriNetUnfolderBase]: 449/1922 cut-off events. [2024-11-07 15:36:37,017 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-07 15:36:37,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2837 conditions, 1922 events. 449/1922 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11015 event pairs, 342 based on Foata normal form. 154/1863 useless extension candidates. Maximal degree in co-relation 2477. Up to 862 conditions per place. [2024-11-07 15:36:37,029 INFO L140 encePairwiseOnDemand]: 431/453 looper letters, 88 selfloop transitions, 10 changer transitions 2/439 dead transitions. [2024-11-07 15:36:37,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 439 transitions, 1080 flow [2024-11-07 15:36:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2168 transitions. [2024-11-07 15:36:37,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.797645327446652 [2024-11-07 15:36:37,058 INFO L175 Difference]: Start difference. First operand has 442 places, 451 transitions, 908 flow. Second operand 6 states and 2168 transitions. [2024-11-07 15:36:37,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 439 transitions, 1080 flow [2024-11-07 15:36:37,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 439 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:36:37,078 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 898 flow [2024-11-07 15:36:37,082 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-07 15:36:37,086 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 1 predicate places. [2024-11-07 15:36:37,087 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 898 flow [2024-11-07 15:36:37,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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 15:36:37,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:37,089 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] [2024-11-07 15:36:37,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:36:37,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:37,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1780586865, now seen corresponding path program 1 times [2024-11-07 15:36:37,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:37,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973220781] [2024-11-07 15:36:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:37,631 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 15:36:37,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:37,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973220781] [2024-11-07 15:36:37,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973220781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:37,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:37,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:37,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001062084] [2024-11-07 15:36:37,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:37,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:37,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:37,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:38,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 453 [2024-11-07 15:36:38,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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 15:36:38,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:38,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 453 [2024-11-07 15:36:38,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:38,458 INFO L124 PetriNetUnfolderBase]: 449/1918 cut-off events. [2024-11-07 15:36:38,458 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:38,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2842 conditions, 1918 events. 449/1918 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11001 event pairs, 342 based on Foata normal form. 0/1709 useless extension candidates. Maximal degree in co-relation 2668. Up to 862 conditions per place. [2024-11-07 15:36:38,469 INFO L140 encePairwiseOnDemand]: 441/453 looper letters, 88 selfloop transitions, 10 changer transitions 0/435 dead transitions. [2024-11-07 15:36:38,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 435 transitions, 1090 flow [2024-11-07 15:36:38,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2158 transitions. [2024-11-07 15:36:38,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7939661515820456 [2024-11-07 15:36:38,475 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 898 flow. Second operand 6 states and 2158 transitions. [2024-11-07 15:36:38,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 435 transitions, 1090 flow [2024-11-07 15:36:38,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 435 transitions, 1070 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:38,482 INFO L231 Difference]: Finished difference. Result has 439 places, 435 transitions, 894 flow [2024-11-07 15:36:38,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=439, PETRI_TRANSITIONS=435} [2024-11-07 15:36:38,483 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -3 predicate places. [2024-11-07 15:36:38,484 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 435 transitions, 894 flow [2024-11-07 15:36:38,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.3333333333333) internal successors, (2066), 6 states have internal predecessors, (2066), 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 15:36:38,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:38,485 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] [2024-11-07 15:36:38,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:36:38,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:38,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash -777837588, now seen corresponding path program 1 times [2024-11-07 15:36:38,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:38,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375702587] [2024-11-07 15:36:38,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:38,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:38,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:38,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375702587] [2024-11-07 15:36:38,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375702587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:38,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:38,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:36:38,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143944757] [2024-11-07 15:36:38,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:38,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:36:38,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:38,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:36:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:36:38,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 453 [2024-11-07 15:36:38,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 435 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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 15:36:38,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:38,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 453 [2024-11-07 15:36:38,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:38,790 INFO L124 PetriNetUnfolderBase]: 29/737 cut-off events. [2024-11-07 15:36:38,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:38,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 737 events. 29/737 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2143 event pairs, 18 based on Foata normal form. 1/682 useless extension candidates. Maximal degree in co-relation 510. Up to 45 conditions per place. [2024-11-07 15:36:38,795 INFO L140 encePairwiseOnDemand]: 450/453 looper letters, 11 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-07 15:36:38,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 922 flow [2024-11-07 15:36:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:36:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:36:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2024-11-07 15:36:38,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617365710080942 [2024-11-07 15:36:38,799 INFO L175 Difference]: Start difference. First operand has 439 places, 435 transitions, 894 flow. Second operand 3 states and 1307 transitions. [2024-11-07 15:36:38,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 922 flow [2024-11-07 15:36:38,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 436 transitions, 902 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:38,810 INFO L231 Difference]: Finished difference. Result has 437 places, 436 transitions, 886 flow [2024-11-07 15:36:38,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=437, PETRI_TRANSITIONS=436} [2024-11-07 15:36:38,811 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -5 predicate places. [2024-11-07 15:36:38,811 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 436 transitions, 886 flow [2024-11-07 15:36:38,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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 15:36:38,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:38,813 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] [2024-11-07 15:36:38,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:36:38,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:38,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:38,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1172649654, now seen corresponding path program 1 times [2024-11-07 15:36:38,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:38,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264991776] [2024-11-07 15:36:38,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:38,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:39,395 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 15:36:39,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264991776] [2024-11-07 15:36:39,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264991776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:39,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:39,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:39,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020362841] [2024-11-07 15:36:39,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:39,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:39,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:39,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:39,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 453 [2024-11-07 15:36:39,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 436 transitions, 886 flow. Second operand has 6 states, 6 states have (on average 344.6666666666667) internal successors, (2068), 6 states have internal predecessors, (2068), 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 15:36:39,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:39,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 453 [2024-11-07 15:36:39,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:40,290 INFO L124 PetriNetUnfolderBase]: 450/2040 cut-off events. [2024-11-07 15:36:40,291 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:36:40,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3008 conditions, 2040 events. 450/2040 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11451 event pairs, 342 based on Foata normal form. 0/1827 useless extension candidates. Maximal degree in co-relation 2751. Up to 910 conditions per place. [2024-11-07 15:36:40,303 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 95 selfloop transitions, 5 changer transitions 0/435 dead transitions. [2024-11-07 15:36:40,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 435 transitions, 1084 flow [2024-11-07 15:36:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2153 transitions. [2024-11-07 15:36:40,311 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7921265636497424 [2024-11-07 15:36:40,311 INFO L175 Difference]: Start difference. First operand has 437 places, 436 transitions, 886 flow. Second operand 6 states and 2153 transitions. [2024-11-07 15:36:40,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 435 transitions, 1084 flow [2024-11-07 15:36:40,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 435 transitions, 1082 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:36:40,320 INFO L231 Difference]: Finished difference. Result has 440 places, 435 transitions, 892 flow [2024-11-07 15:36:40,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=440, PETRI_TRANSITIONS=435} [2024-11-07 15:36:40,322 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -2 predicate places. [2024-11-07 15:36:40,322 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 435 transitions, 892 flow [2024-11-07 15:36:40,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.6666666666667) internal successors, (2068), 6 states have internal predecessors, (2068), 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 15:36:40,323 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:40,324 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] [2024-11-07 15:36:40,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:36:40,324 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:40,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash -452360909, now seen corresponding path program 1 times [2024-11-07 15:36:40,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:40,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548156297] [2024-11-07 15:36:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:40,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:40,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548156297] [2024-11-07 15:36:40,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548156297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:40,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:40,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:36:40,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338795540] [2024-11-07 15:36:40,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:40,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:36:40,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:40,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:36:40,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:36:40,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 453 [2024-11-07 15:36:40,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 435 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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 15:36:40,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:40,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 453 [2024-11-07 15:36:40,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:40,563 INFO L124 PetriNetUnfolderBase]: 29/923 cut-off events. [2024-11-07 15:36:40,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:40,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 923 events. 29/923 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2422 event pairs, 18 based on Foata normal form. 2/863 useless extension candidates. Maximal degree in co-relation 588. Up to 49 conditions per place. [2024-11-07 15:36:40,567 INFO L140 encePairwiseOnDemand]: 450/453 looper letters, 11 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2024-11-07 15:36:40,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 436 transitions, 920 flow [2024-11-07 15:36:40,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:36:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:36:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1307 transitions. [2024-11-07 15:36:40,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617365710080942 [2024-11-07 15:36:40,570 INFO L175 Difference]: Start difference. First operand has 440 places, 435 transitions, 892 flow. Second operand 3 states and 1307 transitions. [2024-11-07 15:36:40,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 436 transitions, 920 flow [2024-11-07 15:36:40,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 436 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:40,578 INFO L231 Difference]: Finished difference. Result has 438 places, 436 transitions, 894 flow [2024-11-07 15:36:40,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=438, PETRI_TRANSITIONS=436} [2024-11-07 15:36:40,581 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -4 predicate places. [2024-11-07 15:36:40,582 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 436 transitions, 894 flow [2024-11-07 15:36:40,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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 15:36:40,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:40,583 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] [2024-11-07 15:36:40,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:36:40,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:40,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:40,585 INFO L85 PathProgramCache]: Analyzing trace with hash -398438884, now seen corresponding path program 1 times [2024-11-07 15:36:40,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:40,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43879699] [2024-11-07 15:36:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:41,319 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 15:36:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:41,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43879699] [2024-11-07 15:36:41,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43879699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:41,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:41,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:41,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538308022] [2024-11-07 15:36:41,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:41,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:41,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:41,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:41,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:42,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 453 [2024-11-07 15:36:42,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 436 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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 15:36:42,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:42,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 453 [2024-11-07 15:36:42,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:42,366 INFO L124 PetriNetUnfolderBase]: 75/1235 cut-off events. [2024-11-07 15:36:42,366 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:36:42,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1556 conditions, 1235 events. 75/1235 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4464 event pairs, 42 based on Foata normal form. 0/1138 useless extension candidates. Maximal degree in co-relation 1032. Up to 267 conditions per place. [2024-11-07 15:36:42,375 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 58 selfloop transitions, 5 changer transitions 0/435 dead transitions. [2024-11-07 15:36:42,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 435 transitions, 1018 flow [2024-11-07 15:36:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2024-11-07 15:36:42,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8601913171449596 [2024-11-07 15:36:42,381 INFO L175 Difference]: Start difference. First operand has 438 places, 436 transitions, 894 flow. Second operand 6 states and 2338 transitions. [2024-11-07 15:36:42,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 435 transitions, 1018 flow [2024-11-07 15:36:42,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 435 transitions, 1016 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:36:42,389 INFO L231 Difference]: Finished difference. Result has 441 places, 435 transitions, 900 flow [2024-11-07 15:36:42,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=441, PETRI_TRANSITIONS=435} [2024-11-07 15:36:42,392 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -1 predicate places. [2024-11-07 15:36:42,392 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 435 transitions, 900 flow [2024-11-07 15:36:42,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 383.5) internal successors, (2301), 6 states have internal predecessors, (2301), 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 15:36:42,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:42,394 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:42,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:36:42,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:42,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash -2098335527, now seen corresponding path program 1 times [2024-11-07 15:36:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:42,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038506008] [2024-11-07 15:36:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:42,972 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 15:36:42,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:42,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038506008] [2024-11-07 15:36:42,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038506008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:42,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:42,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:42,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816225360] [2024-11-07 15:36:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:42,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:42,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:42,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:42,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:43,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 453 [2024-11-07 15:36:43,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 435 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 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 15:36:43,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:43,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 453 [2024-11-07 15:36:43,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:43,802 INFO L124 PetriNetUnfolderBase]: 450/2220 cut-off events. [2024-11-07 15:36:43,802 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:36:43,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3292 conditions, 2220 events. 450/2220 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12126 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2794. Up to 976 conditions per place. [2024-11-07 15:36:43,821 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 95 selfloop transitions, 5 changer transitions 0/434 dead transitions. [2024-11-07 15:36:43,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 434 transitions, 1098 flow [2024-11-07 15:36:43,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2153 transitions. [2024-11-07 15:36:43,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7921265636497424 [2024-11-07 15:36:43,827 INFO L175 Difference]: Start difference. First operand has 441 places, 435 transitions, 900 flow. Second operand 6 states and 2153 transitions. [2024-11-07 15:36:43,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 434 transitions, 1098 flow [2024-11-07 15:36:43,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 434 transitions, 1088 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:43,836 INFO L231 Difference]: Finished difference. Result has 440 places, 434 transitions, 898 flow [2024-11-07 15:36:43,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=440, PETRI_TRANSITIONS=434} [2024-11-07 15:36:43,838 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -2 predicate places. [2024-11-07 15:36:43,839 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 898 flow [2024-11-07 15:36:43,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 347.3333333333333) internal successors, (2084), 6 states have internal predecessors, (2084), 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 15:36:43,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:43,840 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:43,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:36:43,840 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:43,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash -960421363, now seen corresponding path program 1 times [2024-11-07 15:36:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:43,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578508348] [2024-11-07 15:36:43,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:43,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:44,384 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 15:36:44,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:44,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578508348] [2024-11-07 15:36:44,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578508348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:44,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:44,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:44,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058702548] [2024-11-07 15:36:44,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:44,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:44,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:44,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:44,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:44,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 453 [2024-11-07 15:36:44,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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 15:36:44,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:44,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 453 [2024-11-07 15:36:44,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:45,303 INFO L124 PetriNetUnfolderBase]: 450/2216 cut-off events. [2024-11-07 15:36:45,303 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:36:45,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3272 conditions, 2216 events. 450/2216 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12070 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2810. Up to 960 conditions per place. [2024-11-07 15:36:45,315 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 91 selfloop transitions, 5 changer transitions 0/433 dead transitions. [2024-11-07 15:36:45,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 433 transitions, 1088 flow [2024-11-07 15:36:45,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2173 transitions. [2024-11-07 15:36:45,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7994849153789552 [2024-11-07 15:36:45,321 INFO L175 Difference]: Start difference. First operand has 440 places, 434 transitions, 898 flow. Second operand 6 states and 2173 transitions. [2024-11-07 15:36:45,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 433 transitions, 1088 flow [2024-11-07 15:36:45,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 433 transitions, 1078 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:45,328 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 896 flow [2024-11-07 15:36:45,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2024-11-07 15:36:45,329 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -3 predicate places. [2024-11-07 15:36:45,329 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 896 flow [2024-11-07 15:36:45,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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 15:36:45,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:45,331 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] [2024-11-07 15:36:45,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:36:45,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:45,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash -607491369, now seen corresponding path program 1 times [2024-11-07 15:36:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679949980] [2024-11-07 15:36:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:45,855 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 15:36:45,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:45,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679949980] [2024-11-07 15:36:45,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679949980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:45,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:45,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:45,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165697530] [2024-11-07 15:36:45,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:45,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:45,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:45,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:45,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:46,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 453 [2024-11-07 15:36:46,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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 15:36:46,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:46,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 453 [2024-11-07 15:36:46,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:46,526 INFO L124 PetriNetUnfolderBase]: 450/2212 cut-off events. [2024-11-07 15:36:46,526 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:36:46,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3268 conditions, 2212 events. 450/2212 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12097 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2825. Up to 960 conditions per place. [2024-11-07 15:36:46,539 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 91 selfloop transitions, 5 changer transitions 0/432 dead transitions. [2024-11-07 15:36:46,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 432 transitions, 1086 flow [2024-11-07 15:36:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:46,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2173 transitions. [2024-11-07 15:36:46,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7994849153789552 [2024-11-07 15:36:46,545 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 896 flow. Second operand 6 states and 2173 transitions. [2024-11-07 15:36:46,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 432 transitions, 1086 flow [2024-11-07 15:36:46,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 432 transitions, 1076 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:46,552 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 894 flow [2024-11-07 15:36:46,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2024-11-07 15:36:46,553 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -4 predicate places. [2024-11-07 15:36:46,554 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 894 flow [2024-11-07 15:36:46,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.0) internal successors, (2112), 6 states have internal predecessors, (2112), 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 15:36:46,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:46,555 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] [2024-11-07 15:36:46,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:36:46,556 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:46,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:46,556 INFO L85 PathProgramCache]: Analyzing trace with hash -949050925, now seen corresponding path program 1 times [2024-11-07 15:36:46,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:46,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110896644] [2024-11-07 15:36:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:46,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:47,160 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 15:36:47,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:47,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110896644] [2024-11-07 15:36:47,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110896644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:47,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:47,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:36:47,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080246904] [2024-11-07 15:36:47,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:47,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:47,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:47,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:36:47,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 453 [2024-11-07 15:36:47,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 348.5) internal successors, (2091), 6 states have internal predecessors, (2091), 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 15:36:47,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:47,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 453 [2024-11-07 15:36:47,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:47,993 INFO L124 PetriNetUnfolderBase]: 450/2208 cut-off events. [2024-11-07 15:36:47,993 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:36:47,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 2208 events. 450/2208 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12136 event pairs, 342 based on Foata normal form. 0/2007 useless extension candidates. Maximal degree in co-relation 2838. Up to 980 conditions per place. [2024-11-07 15:36:48,002 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 96 selfloop transitions, 5 changer transitions 0/431 dead transitions. [2024-11-07 15:36:48,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 431 transitions, 1094 flow [2024-11-07 15:36:48,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2148 transitions. [2024-11-07 15:36:48,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7902869757174393 [2024-11-07 15:36:48,008 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 894 flow. Second operand 6 states and 2148 transitions. [2024-11-07 15:36:48,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 431 transitions, 1094 flow [2024-11-07 15:36:48,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 431 transitions, 1084 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:48,014 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 892 flow [2024-11-07 15:36:48,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2024-11-07 15:36:48,015 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, -5 predicate places. [2024-11-07 15:36:48,015 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 892 flow [2024-11-07 15:36:48,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.5) internal successors, (2091), 6 states have internal predecessors, (2091), 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 15:36:48,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:48,017 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, 1, 1, 1, 1, 1] [2024-11-07 15:36:48,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:36:48,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:48,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash -215993765, now seen corresponding path program 1 times [2024-11-07 15:36:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:48,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480317875] [2024-11-07 15:36:48,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:48,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:48,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:48,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480317875] [2024-11-07 15:36:48,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480317875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:48,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464460865] [2024-11-07 15:36:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:48,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:48,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:48,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:36:48,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 15:36:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:48,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:36:48,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:48,674 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:36:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:48,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464460865] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:36:48,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:36:48,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 15:36:48,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855251612] [2024-11-07 15:36:48,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:36:48,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 15:36:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:48,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 15:36:48,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 15:36:48,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 453 [2024-11-07 15:36:48,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 892 flow. Second operand has 10 states, 10 states have (on average 429.8) internal successors, (4298), 10 states have internal predecessors, (4298), 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 15:36:48,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:48,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 453 [2024-11-07 15:36:48,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:49,036 INFO L124 PetriNetUnfolderBase]: 29/1087 cut-off events. [2024-11-07 15:36:49,036 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:36:49,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 1087 events. 29/1087 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1983 event pairs, 18 based on Foata normal form. 4/1049 useless extension candidates. Maximal degree in co-relation 581. Up to 49 conditions per place. [2024-11-07 15:36:49,041 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 15 selfloop transitions, 9 changer transitions 0/439 dead transitions. [2024-11-07 15:36:49,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 439 transitions, 958 flow [2024-11-07 15:36:49,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 15:36:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 15:36:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3878 transitions. [2024-11-07 15:36:49,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9511896001962227 [2024-11-07 15:36:49,049 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 892 flow. Second operand 9 states and 3878 transitions. [2024-11-07 15:36:49,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 439 transitions, 958 flow [2024-11-07 15:36:49,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 439 transitions, 948 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:49,055 INFO L231 Difference]: Finished difference. Result has 443 places, 437 transitions, 932 flow [2024-11-07 15:36:49,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=932, PETRI_PLACES=443, PETRI_TRANSITIONS=437} [2024-11-07 15:36:49,056 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 1 predicate places. [2024-11-07 15:36:49,056 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 437 transitions, 932 flow [2024-11-07 15:36:49,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 429.8) internal successors, (4298), 10 states have internal predecessors, (4298), 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 15:36:49,058 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:49,058 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:49,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 15:36:49,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 15:36:49,263 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 255944363, now seen corresponding path program 2 times [2024-11-07 15:36:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596538722] [2024-11-07 15:36:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-07 15:36:49,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:49,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596538722] [2024-11-07 15:36:49,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596538722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:49,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178601661] [2024-11-07 15:36:49,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:36:49,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:49,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:49,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:36:49,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 15:36:49,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:36:49,954 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:36:49,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 15:36:49,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:50,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-07 15:36:50,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-07 15:36:50,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:50,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-07 15:36:50,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:50,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-07 15:36:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-07 15:36:50,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:36:50,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178601661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:50,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:36:50,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 15:36:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135475599] [2024-11-07 15:36:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:50,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:50,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:50,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 15:36:51,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 453 [2024-11-07 15:36:51,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 437 transitions, 932 flow. Second operand has 6 states, 6 states have (on average 377.3333333333333) internal successors, (2264), 6 states have internal predecessors, (2264), 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 15:36:51,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:51,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 453 [2024-11-07 15:36:51,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:51,526 INFO L124 PetriNetUnfolderBase]: 75/1401 cut-off events. [2024-11-07 15:36:51,526 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-07 15:36:51,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1801 conditions, 1401 events. 75/1401 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4020 event pairs, 42 based on Foata normal form. 0/1318 useless extension candidates. Maximal degree in co-relation 1161. Up to 314 conditions per place. [2024-11-07 15:36:51,533 INFO L140 encePairwiseOnDemand]: 441/453 looper letters, 61 selfloop transitions, 10 changer transitions 0/435 dead transitions. [2024-11-07 15:36:51,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 435 transitions, 1070 flow [2024-11-07 15:36:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:36:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:36:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2293 transitions. [2024-11-07 15:36:51,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8436350257542311 [2024-11-07 15:36:51,539 INFO L175 Difference]: Start difference. First operand has 443 places, 437 transitions, 932 flow. Second operand 6 states and 2293 transitions. [2024-11-07 15:36:51,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 435 transitions, 1070 flow [2024-11-07 15:36:51,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 435 transitions, 1064 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-07 15:36:51,546 INFO L231 Difference]: Finished difference. Result has 445 places, 435 transitions, 942 flow [2024-11-07 15:36:51,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=445, PETRI_TRANSITIONS=435} [2024-11-07 15:36:51,549 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 3 predicate places. [2024-11-07 15:36:51,549 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 435 transitions, 942 flow [2024-11-07 15:36:51,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 377.3333333333333) internal successors, (2264), 6 states have internal predecessors, (2264), 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 15:36:51,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:51,551 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:51,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 15:36:51,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:51,752 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:51,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash -699946596, now seen corresponding path program 1 times [2024-11-07 15:36:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:51,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181955459] [2024-11-07 15:36:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-07 15:36:52,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:52,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181955459] [2024-11-07 15:36:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181955459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:52,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775157894] [2024-11-07 15:36:52,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:52,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:52,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:36:52,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 15:36:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:52,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:36:52,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:53,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:36:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:36:53,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775157894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:36:53,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:36:53,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-07 15:36:53,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733908089] [2024-11-07 15:36:53,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:36:53,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 15:36:53,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 15:36:53,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-07 15:36:53,547 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 453 [2024-11-07 15:36:53,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 435 transitions, 942 flow. Second operand has 19 states, 19 states have (on average 424.5263157894737) internal successors, (8066), 19 states have internal predecessors, (8066), 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 15:36:53,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:53,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 453 [2024-11-07 15:36:53,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:54,742 INFO L124 PetriNetUnfolderBase]: 30/2465 cut-off events. [2024-11-07 15:36:54,742 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-07 15:36:54,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2465 events. 30/2465 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1984 event pairs, 18 based on Foata normal form. 13/2438 useless extension candidates. Maximal degree in co-relation 2329. Up to 51 conditions per place. [2024-11-07 15:36:54,747 INFO L140 encePairwiseOnDemand]: 442/453 looper letters, 47 selfloop transitions, 68 changer transitions 0/521 dead transitions. [2024-11-07 15:36:54,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 521 transitions, 1582 flow [2024-11-07 15:36:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-07 15:36:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-07 15:36:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 26714 transitions. [2024-11-07 15:36:54,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936052419496128 [2024-11-07 15:36:54,774 INFO L175 Difference]: Start difference. First operand has 445 places, 435 transitions, 942 flow. Second operand 63 states and 26714 transitions. [2024-11-07 15:36:54,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 521 transitions, 1582 flow [2024-11-07 15:36:54,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 521 transitions, 1562 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:36:54,782 INFO L231 Difference]: Finished difference. Result has 518 places, 497 transitions, 1442 flow [2024-11-07 15:36:54,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1442, PETRI_PLACES=518, PETRI_TRANSITIONS=497} [2024-11-07 15:36:54,783 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 76 predicate places. [2024-11-07 15:36:54,783 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 497 transitions, 1442 flow [2024-11-07 15:36:54,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 424.5263157894737) internal successors, (8066), 19 states have internal predecessors, (8066), 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 15:36:54,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:54,787 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:36:54,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 15:36:54,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:54,988 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:36:54,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash 350481435, now seen corresponding path program 2 times [2024-11-07 15:36:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:54,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058431224] [2024-11-07 15:36:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:36:58,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:58,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058431224] [2024-11-07 15:36:58,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058431224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:36:58,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171721216] [2024-11-07 15:36:58,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:36:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:36:58,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:36:58,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:36:58,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 15:36:58,822 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:36:58,822 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:36:58,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 15:36:58,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:36:58,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:36:58,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 15:36:58,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:58,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-07 15:36:58,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:36:58,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-07 15:36:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-07 15:36:58,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:36:58,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171721216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:58,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:36:58,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-07 15:36:58,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093300432] [2024-11-07 15:36:58,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:58,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:36:58,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:58,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:36:58,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-07 15:36:59,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 453 [2024-11-07 15:36:59,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 497 transitions, 1442 flow. Second operand has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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 15:36:59,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:59,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 453 [2024-11-07 15:36:59,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:00,681 INFO L124 PetriNetUnfolderBase]: 188/3246 cut-off events. [2024-11-07 15:37:00,681 INFO L125 PetriNetUnfolderBase]: For 432/432 co-relation queries the response was YES. [2024-11-07 15:37:00,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4504 conditions, 3246 events. 188/3246 cut-off events. For 432/432 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7983 event pairs, 126 based on Foata normal form. 0/3087 useless extension candidates. Maximal degree in co-relation 2458. Up to 899 conditions per place. [2024-11-07 15:37:00,692 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 58 selfloop transitions, 5 changer transitions 0/496 dead transitions. [2024-11-07 15:37:00,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 496 transitions, 1566 flow [2024-11-07 15:37:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:37:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:37:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2024-11-07 15:37:00,695 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8601913171449596 [2024-11-07 15:37:00,695 INFO L175 Difference]: Start difference. First operand has 518 places, 497 transitions, 1442 flow. Second operand 6 states and 2338 transitions. [2024-11-07 15:37:00,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 496 transitions, 1566 flow [2024-11-07 15:37:00,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 496 transitions, 1490 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-07 15:37:00,708 INFO L231 Difference]: Finished difference. Result has 515 places, 496 transitions, 1374 flow [2024-11-07 15:37:00,709 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1374, PETRI_PLACES=515, PETRI_TRANSITIONS=496} [2024-11-07 15:37:00,709 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 73 predicate places. [2024-11-07 15:37:00,710 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 496 transitions, 1374 flow [2024-11-07 15:37:00,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.3333333333333) internal successors, (2318), 6 states have internal predecessors, (2318), 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 15:37:00,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:00,711 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:00,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 15:37:00,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 15:37:00,912 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:37:00,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash -486256919, now seen corresponding path program 1 times [2024-11-07 15:37:00,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:00,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417437725] [2024-11-07 15:37:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:00,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:03,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:37:03,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:03,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417437725] [2024-11-07 15:37:03,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417437725] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:37:03,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692611895] [2024-11-07 15:37:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:03,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:37:03,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:37:03,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:37:03,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 15:37:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:04,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 5753 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 15:37:04,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:37:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:37:05,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:37:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-07 15:37:06,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692611895] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:37:06,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:37:06,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-07 15:37:06,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307648861] [2024-11-07 15:37:06,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:37:06,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-07 15:37:06,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:06,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-07 15:37:06,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 15:37:06,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 453 [2024-11-07 15:37:06,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 496 transitions, 1374 flow. Second operand has 34 states, 34 states have (on average 430.11764705882354) internal successors, (14624), 34 states have internal predecessors, (14624), 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 15:37:06,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:06,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 453 [2024-11-07 15:37:06,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:08,380 INFO L124 PetriNetUnfolderBase]: 30/4624 cut-off events. [2024-11-07 15:37:08,380 INFO L125 PetriNetUnfolderBase]: For 3207/3207 co-relation queries the response was YES. [2024-11-07 15:37:08,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5435 conditions, 4624 events. 30/4624 cut-off events. For 3207/3207 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1985 event pairs, 18 based on Foata normal form. 24/4609 useless extension candidates. Maximal degree in co-relation 5016. Up to 78 conditions per place. [2024-11-07 15:37:08,386 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 47 selfloop transitions, 135 changer transitions 0/597 dead transitions. [2024-11-07 15:37:08,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 597 transitions, 2502 flow [2024-11-07 15:37:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 15:37:08,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-07 15:37:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 19340 transitions. [2024-11-07 15:37:08,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9487368162864852 [2024-11-07 15:37:08,399 INFO L175 Difference]: Start difference. First operand has 515 places, 496 transitions, 1374 flow. Second operand 45 states and 19340 transitions. [2024-11-07 15:37:08,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 597 transitions, 2502 flow [2024-11-07 15:37:08,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 597 transitions, 2492 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:37:08,414 INFO L231 Difference]: Finished difference. Result has 563 places, 571 transitions, 2238 flow [2024-11-07 15:37:08,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2238, PETRI_PLACES=563, PETRI_TRANSITIONS=571} [2024-11-07 15:37:08,415 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 121 predicate places. [2024-11-07 15:37:08,415 INFO L471 AbstractCegarLoop]: Abstraction has has 563 places, 571 transitions, 2238 flow [2024-11-07 15:37:08,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 430.11764705882354) internal successors, (14624), 34 states have internal predecessors, (14624), 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 15:37:08,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:08,419 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:08,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 15:37:08,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 15:37:08,620 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:37:08,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:08,621 INFO L85 PathProgramCache]: Analyzing trace with hash -309670679, now seen corresponding path program 2 times [2024-11-07 15:37:08,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:08,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25913132] [2024-11-07 15:37:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-07 15:37:19,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:19,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25913132] [2024-11-07 15:37:19,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25913132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:37:19,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892260431] [2024-11-07 15:37:19,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:37:19,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:37:19,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:37:19,786 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:37:19,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 15:37:21,039 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:37:21,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:37:21,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 15:37:21,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:37:21,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 15:37:21,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 15:37:21,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:37:21,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-07 15:37:21,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:37:21,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-07 15:37:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-07 15:37:21,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:37:21,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892260431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:37:21,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:37:21,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-07 15:37:21,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583331216] [2024-11-07 15:37:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:37:21,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:37:21,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:21,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:37:21,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 15:37:21,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 453 [2024-11-07 15:37:21,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 571 transitions, 2238 flow. Second operand has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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 15:37:21,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:21,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 453 [2024-11-07 15:37:21,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:37:28,787 INFO L124 PetriNetUnfolderBase]: 1238/7764 cut-off events. [2024-11-07 15:37:28,787 INFO L125 PetriNetUnfolderBase]: For 1218/1218 co-relation queries the response was YES. [2024-11-07 15:37:28,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12031 conditions, 7764 events. 1238/7764 cut-off events. For 1218/1218 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28194 event pairs, 1026 based on Foata normal form. 0/7380 useless extension candidates. Maximal degree in co-relation 7672. Up to 3430 conditions per place. [2024-11-07 15:37:28,825 INFO L140 encePairwiseOnDemand]: 447/453 looper letters, 96 selfloop transitions, 5 changer transitions 0/570 dead transitions. [2024-11-07 15:37:28,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 570 transitions, 2438 flow [2024-11-07 15:37:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:37:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:37:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2148 transitions. [2024-11-07 15:37:28,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7902869757174393 [2024-11-07 15:37:28,831 INFO L175 Difference]: Start difference. First operand has 563 places, 571 transitions, 2238 flow. Second operand 6 states and 2148 transitions. [2024-11-07 15:37:28,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 570 transitions, 2438 flow [2024-11-07 15:37:28,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 570 transitions, 2330 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-07 15:37:28,851 INFO L231 Difference]: Finished difference. Result has 549 places, 570 transitions, 2138 flow [2024-11-07 15:37:28,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=570, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2138, PETRI_PLACES=549, PETRI_TRANSITIONS=570} [2024-11-07 15:37:28,852 INFO L277 CegarLoopForPetriNet]: 442 programPoint places, 107 predicate places. [2024-11-07 15:37:28,852 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 570 transitions, 2138 flow [2024-11-07 15:37:28,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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 15:37:28,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:37:28,853 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:37:28,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 15:37:29,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 15:37:29,055 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-07 15:37:29,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:37:29,056 INFO L85 PathProgramCache]: Analyzing trace with hash -594986427, now seen corresponding path program 1 times [2024-11-07 15:37:29,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:37:29,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140579650] [2024-11-07 15:37:29,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:29,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:37:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-07 15:37:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:37:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140579650] [2024-11-07 15:37:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140579650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:37:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112239772] [2024-11-07 15:37:45,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:37:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:37:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:37:45,385 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:37:45,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 15:37:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:37:48,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 11716 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 15:37:49,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:37:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-07 15:37:50,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:37:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-07 15:37:53,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112239772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:37:53,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:37:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-07 15:37:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032665696] [2024-11-07 15:37:53,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:37:53,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-07 15:37:53,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:37:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-07 15:37:53,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-07 15:37:53,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 453 [2024-11-07 15:37:53,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 570 transitions, 2138 flow. Second operand has 63 states, 63 states have (on average 430.12698412698415) internal successors, (27098), 63 states have internal predecessors, (27098), 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 15:37:53,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:37:53,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 453 [2024-11-07 15:37:53,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand