./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_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_05-ptra_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', 'b00ba58edbbf9092a3bbde4865c9e14ef534546a29b4ba514bb7ebaf27fc72c0'] 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_05-ptra_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 b00ba58edbbf9092a3bbde4865c9e14ef534546a29b4ba514bb7ebaf27fc72c0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:35:05,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:35:05,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:35:05,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:35:05,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:35:05,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:35:05,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:35:05,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:35:05,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:35:05,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:35:05,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:35:05,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:35:05,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:35:05,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:05,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:35:05,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:35:05,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:35:05,545 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 -> b00ba58edbbf9092a3bbde4865c9e14ef534546a29b4ba514bb7ebaf27fc72c0 [2024-11-07 15:35:05,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:35:05,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:35:05,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:35:05,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:35:05,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:35:05,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2024-11-07 15:35:07,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:35:07,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:35:07,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2024-11-07 15:35:07,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5fdb7bd1f/56d049166ebf462d8feee73bce3dfe84/FLAG6cdc4e11e [2024-11-07 15:35:07,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5fdb7bd1f/56d049166ebf462d8feee73bce3dfe84 [2024-11-07 15:35:07,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:35:07,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:35:07,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:07,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:35:07,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:35:07,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:07" (1/1) ... [2024-11-07 15:35:07,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fade63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:07, skipping insertion in model container [2024-11-07 15:35:07,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:07" (1/1) ... [2024-11-07 15:35:07,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:35:08,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:08,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:35:08,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:35:08,238 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:35:08,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08 WrapperNode [2024-11-07 15:35:08,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:35:08,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:08,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:35:08,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:35:08,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,308 INFO L138 Inliner]: procedures = 368, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 207 [2024-11-07 15:35:08,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:35:08,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:35:08,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:35:08,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:35:08,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:35:08,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:35:08,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:35:08,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:35:08,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (1/1) ... [2024-11-07 15:35:08,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:35:08,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:35:08,434 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 15:35:08,438 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 15:35:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:35:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:35:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:35:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:35:08,463 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 15:35:08,623 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:35:08,625 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:35:09,081 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:35:09,081 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:35:09,117 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:35:09,117 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:35:09,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:09 BoogieIcfgContainer [2024-11-07 15:35:09,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:35:09,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:35:09,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:35:09,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:35:09,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:07" (1/3) ... [2024-11-07 15:35:09,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6c427a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:09, skipping insertion in model container [2024-11-07 15:35:09,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:08" (2/3) ... [2024-11-07 15:35:09,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6c427a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:09, skipping insertion in model container [2024-11-07 15:35:09,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:09" (3/3) ... [2024-11-07 15:35:09,130 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2024-11-07 15:35:09,145 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:35:09,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-07 15:35:09,146 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:35:09,248 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:35:09,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 244 places, 240 transitions, 484 flow [2024-11-07 15:35:09,406 INFO L124 PetriNetUnfolderBase]: 0/239 cut-off events. [2024-11-07 15:35:09,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:09,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 239 events. 0/239 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 15:35:09,414 INFO L82 GeneralOperation]: Start removeDead. Operand has 244 places, 240 transitions, 484 flow [2024-11-07 15:35:09,418 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 243 places, 239 transitions, 481 flow [2024-11-07 15:35:09,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:35:09,442 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;@30b2e5f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:35:09,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-07 15:35:09,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:35:09,456 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-07 15:35:09,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:09,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:09,458 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] [2024-11-07 15:35:09,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:09,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:09,464 INFO L85 PathProgramCache]: Analyzing trace with hash 408968249, now seen corresponding path program 1 times [2024-11-07 15:35:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:09,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081791694] [2024-11-07 15:35:09,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:10,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:10,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081791694] [2024-11-07 15:35:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081791694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:10,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:10,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212223357] [2024-11-07 15:35:10,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:10,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:10,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:10,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:11,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 240 [2024-11-07 15:35:11,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 239 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:11,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:11,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 240 [2024-11-07 15:35:11,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:11,301 INFO L124 PetriNetUnfolderBase]: 220/1062 cut-off events. [2024-11-07 15:35:11,301 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:11,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1062 events. 220/1062 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5475 event pairs, 220 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1401. Up to 493 conditions per place. [2024-11-07 15:35:11,313 INFO L140 encePairwiseOnDemand]: 222/240 looper letters, 52 selfloop transitions, 15 changer transitions 0/236 dead transitions. [2024-11-07 15:35:11,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 236 transitions, 609 flow [2024-11-07 15:35:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2024-11-07 15:35:11,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7569444444444444 [2024-11-07 15:35:11,333 INFO L175 Difference]: Start difference. First operand has 243 places, 239 transitions, 481 flow. Second operand 6 states and 1090 transitions. [2024-11-07 15:35:11,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 236 transitions, 609 flow [2024-11-07 15:35:11,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 236 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:11,343 INFO L231 Difference]: Finished difference. Result has 244 places, 236 transitions, 504 flow [2024-11-07 15:35:11,345 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=244, PETRI_TRANSITIONS=236} [2024-11-07 15:35:11,348 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 1 predicate places. [2024-11-07 15:35:11,349 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 236 transitions, 504 flow [2024-11-07 15:35:11,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:11,351 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:11,351 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] [2024-11-07 15:35:11,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:35:11,352 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:11,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:11,352 INFO L85 PathProgramCache]: Analyzing trace with hash 535129878, now seen corresponding path program 1 times [2024-11-07 15:35:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148870789] [2024-11-07 15:35:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:11,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:11,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148870789] [2024-11-07 15:35:11,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148870789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:11,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:11,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:11,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338498087] [2024-11-07 15:35:11,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:11,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:11,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:11,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:11,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:12,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 240 [2024-11-07 15:35:12,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 236 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:12,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 240 [2024-11-07 15:35:12,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:12,394 INFO L124 PetriNetUnfolderBase]: 220/1059 cut-off events. [2024-11-07 15:35:12,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:12,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1059 events. 220/1059 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5458 event pairs, 220 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1426. Up to 493 conditions per place. [2024-11-07 15:35:12,400 INFO L140 encePairwiseOnDemand]: 222/240 looper letters, 52 selfloop transitions, 15 changer transitions 0/233 dead transitions. [2024-11-07 15:35:12,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 233 transitions, 632 flow [2024-11-07 15:35:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1090 transitions. [2024-11-07 15:35:12,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7569444444444444 [2024-11-07 15:35:12,406 INFO L175 Difference]: Start difference. First operand has 244 places, 236 transitions, 504 flow. Second operand 6 states and 1090 transitions. [2024-11-07 15:35:12,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 233 transitions, 632 flow [2024-11-07 15:35:12,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 233 transitions, 602 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:12,411 INFO L231 Difference]: Finished difference. Result has 241 places, 233 transitions, 498 flow [2024-11-07 15:35:12,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=241, PETRI_TRANSITIONS=233} [2024-11-07 15:35:12,412 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -2 predicate places. [2024-11-07 15:35:12,413 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 233 transitions, 498 flow [2024-11-07 15:35:12,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:12,414 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] [2024-11-07 15:35:12,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:35:12,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:12,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash 106327977, now seen corresponding path program 1 times [2024-11-07 15:35:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:12,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619455095] [2024-11-07 15:35:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:12,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:12,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619455095] [2024-11-07 15:35:12,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619455095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:12,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:12,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:12,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863370306] [2024-11-07 15:35:12,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:12,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:12,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:12,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:12,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 240 [2024-11-07 15:35:12,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 233 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:12,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 240 [2024-11-07 15:35:12,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:12,560 INFO L124 PetriNetUnfolderBase]: 16/368 cut-off events. [2024-11-07 15:35:12,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:12,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 368 events. 16/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 773 event pairs, 16 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 288. Up to 47 conditions per place. [2024-11-07 15:35:12,562 INFO L140 encePairwiseOnDemand]: 237/240 looper letters, 14 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2024-11-07 15:35:12,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 232 transitions, 528 flow [2024-11-07 15:35:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2024-11-07 15:35:12,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527777777777777 [2024-11-07 15:35:12,564 INFO L175 Difference]: Start difference. First operand has 241 places, 233 transitions, 498 flow. Second operand 3 states and 686 transitions. [2024-11-07 15:35:12,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 232 transitions, 528 flow [2024-11-07 15:35:12,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 498 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:12,568 INFO L231 Difference]: Finished difference. Result has 237 places, 232 transitions, 470 flow [2024-11-07 15:35:12,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2024-11-07 15:35:12,571 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -6 predicate places. [2024-11-07 15:35:12,571 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 470 flow [2024-11-07 15:35:12,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:12,572 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] [2024-11-07 15:35:12,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:35:12,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:12,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:12,573 INFO L85 PathProgramCache]: Analyzing trace with hash 296367235, now seen corresponding path program 1 times [2024-11-07 15:35:12,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:12,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726034588] [2024-11-07 15:35:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:12,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:12,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726034588] [2024-11-07 15:35:12,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726034588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:12,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:12,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833257177] [2024-11-07 15:35:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:12,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:12,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:12,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:12,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:12,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 240 [2024-11-07 15:35:12,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:12,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 240 [2024-11-07 15:35:12,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:12,698 INFO L124 PetriNetUnfolderBase]: 24/445 cut-off events. [2024-11-07 15:35:12,698 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:12,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 445 events. 24/445 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1219 event pairs, 24 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 455. Up to 63 conditions per place. [2024-11-07 15:35:12,700 INFO L140 encePairwiseOnDemand]: 234/240 looper letters, 15 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2024-11-07 15:35:12,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 492 flow [2024-11-07 15:35:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2024-11-07 15:35:12,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9416666666666667 [2024-11-07 15:35:12,702 INFO L175 Difference]: Start difference. First operand has 237 places, 232 transitions, 470 flow. Second operand 3 states and 678 transitions. [2024-11-07 15:35:12,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 492 flow [2024-11-07 15:35:12,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 488 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:12,706 INFO L231 Difference]: Finished difference. Result has 232 places, 227 transitions, 458 flow [2024-11-07 15:35:12,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=232, PETRI_TRANSITIONS=227} [2024-11-07 15:35:12,707 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -11 predicate places. [2024-11-07 15:35:12,707 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 458 flow [2024-11-07 15:35:12,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:12,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:12,708 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] [2024-11-07 15:35:12,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:35:12,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:12,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:12,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1505942631, now seen corresponding path program 1 times [2024-11-07 15:35:12,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:12,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602147913] [2024-11-07 15:35:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:13,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:13,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602147913] [2024-11-07 15:35:13,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602147913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:13,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:13,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:13,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654798459] [2024-11-07 15:35:13,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:13,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:13,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:13,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:13,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 240 [2024-11-07 15:35:13,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 458 flow. Second operand has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:13,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 240 [2024-11-07 15:35:13,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:13,679 INFO L124 PetriNetUnfolderBase]: 288/1198 cut-off events. [2024-11-07 15:35:13,679 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:13,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1851 conditions, 1198 events. 288/1198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6404 event pairs, 288 based on Foata normal form. 0/1137 useless extension candidates. Maximal degree in co-relation 1780. Up to 643 conditions per place. [2024-11-07 15:35:13,685 INFO L140 encePairwiseOnDemand]: 234/240 looper letters, 66 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-11-07 15:35:13,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 226 transitions, 598 flow [2024-11-07 15:35:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1080 transitions. [2024-11-07 15:35:13,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-07 15:35:13,689 INFO L175 Difference]: Start difference. First operand has 232 places, 227 transitions, 458 flow. Second operand 6 states and 1080 transitions. [2024-11-07 15:35:13,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 226 transitions, 598 flow [2024-11-07 15:35:13,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 226 transitions, 597 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:13,693 INFO L231 Difference]: Finished difference. Result has 235 places, 226 transitions, 465 flow [2024-11-07 15:35:13,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=235, PETRI_TRANSITIONS=226} [2024-11-07 15:35:13,694 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -8 predicate places. [2024-11-07 15:35:13,695 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 226 transitions, 465 flow [2024-11-07 15:35:13,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:13,696 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] [2024-11-07 15:35:13,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:35:13,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:13,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1196565690, now seen corresponding path program 1 times [2024-11-07 15:35:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551942511] [2024-11-07 15:35:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:13,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:13,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551942511] [2024-11-07 15:35:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551942511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:13,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:13,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:13,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631376767] [2024-11-07 15:35:13,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:13,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:13,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:13,805 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 240 [2024-11-07 15:35:13,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 226 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:13,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 240 [2024-11-07 15:35:13,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:13,839 INFO L124 PetriNetUnfolderBase]: 6/289 cut-off events. [2024-11-07 15:35:13,840 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:13,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 289 events. 6/289 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 397 event pairs, 6 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 263. Up to 23 conditions per place. [2024-11-07 15:35:13,841 INFO L140 encePairwiseOnDemand]: 237/240 looper letters, 10 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-11-07 15:35:13,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 225 transitions, 487 flow [2024-11-07 15:35:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:13,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 694 transitions. [2024-11-07 15:35:13,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9638888888888889 [2024-11-07 15:35:13,843 INFO L175 Difference]: Start difference. First operand has 235 places, 226 transitions, 465 flow. Second operand 3 states and 694 transitions. [2024-11-07 15:35:13,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 225 transitions, 487 flow [2024-11-07 15:35:13,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 477 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:13,846 INFO L231 Difference]: Finished difference. Result has 231 places, 225 transitions, 457 flow [2024-11-07 15:35:13,846 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=231, PETRI_TRANSITIONS=225} [2024-11-07 15:35:13,847 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -12 predicate places. [2024-11-07 15:35:13,847 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 225 transitions, 457 flow [2024-11-07 15:35:13,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:13,847 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] [2024-11-07 15:35:13,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:35:13,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:13,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:13,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1416804218, now seen corresponding path program 1 times [2024-11-07 15:35:13,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:13,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321090249] [2024-11-07 15:35:13,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:13,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:13,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:13,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321090249] [2024-11-07 15:35:13,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321090249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:13,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:13,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:35:13,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558453481] [2024-11-07 15:35:13,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:13,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:35:13,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:13,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:35:13,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:35:13,919 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 240 [2024-11-07 15:35:13,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 225 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:13,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 240 [2024-11-07 15:35:13,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:13,953 INFO L124 PetriNetUnfolderBase]: 4/286 cut-off events. [2024-11-07 15:35:13,953 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:35:13,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 286 events. 4/286 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 261 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 250. Up to 15 conditions per place. [2024-11-07 15:35:13,954 INFO L140 encePairwiseOnDemand]: 238/240 looper letters, 7 selfloop transitions, 1 changer transitions 0/224 dead transitions. [2024-11-07 15:35:13,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 224 transitions, 471 flow [2024-11-07 15:35:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:35:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:35:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2024-11-07 15:35:13,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.975 [2024-11-07 15:35:13,956 INFO L175 Difference]: Start difference. First operand has 231 places, 225 transitions, 457 flow. Second operand 3 states and 702 transitions. [2024-11-07 15:35:13,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 224 transitions, 471 flow [2024-11-07 15:35:13,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 224 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:35:13,959 INFO L231 Difference]: Finished difference. Result has 230 places, 224 transitions, 453 flow [2024-11-07 15:35:13,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=230, PETRI_TRANSITIONS=224} [2024-11-07 15:35:13,960 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -13 predicate places. [2024-11-07 15:35:13,960 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 224 transitions, 453 flow [2024-11-07 15:35:13,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:13,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:13,961 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] [2024-11-07 15:35:13,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:35:13,961 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:13,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1164812758, now seen corresponding path program 1 times [2024-11-07 15:35:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:13,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102628582] [2024-11-07 15:35:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:13,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:14,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:14,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102628582] [2024-11-07 15:35:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102628582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:14,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565116576] [2024-11-07 15:35:14,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:14,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:14,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:14,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:14,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:14,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 240 [2024-11-07 15:35:14,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 224 transitions, 453 flow. Second operand has 6 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:14,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:14,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 240 [2024-11-07 15:35:14,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:15,419 INFO L124 PetriNetUnfolderBase]: 316/1522 cut-off events. [2024-11-07 15:35:15,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:35:15,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1522 events. 316/1522 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9251 event pairs, 36 based on Foata normal form. 0/1432 useless extension candidates. Maximal degree in co-relation 2192. Up to 388 conditions per place. [2024-11-07 15:35:15,430 INFO L140 encePairwiseOnDemand]: 212/240 looper letters, 107 selfloop transitions, 70 changer transitions 0/336 dead transitions. [2024-11-07 15:35:15,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 336 transitions, 1031 flow [2024-11-07 15:35:15,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1229 transitions. [2024-11-07 15:35:15,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534722222222222 [2024-11-07 15:35:15,436 INFO L175 Difference]: Start difference. First operand has 230 places, 224 transitions, 453 flow. Second operand 6 states and 1229 transitions. [2024-11-07 15:35:15,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 336 transitions, 1031 flow [2024-11-07 15:35:15,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 336 transitions, 1030 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:35:15,446 INFO L231 Difference]: Finished difference. Result has 238 places, 294 transitions, 930 flow [2024-11-07 15:35:15,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=238, PETRI_TRANSITIONS=294} [2024-11-07 15:35:15,447 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, -5 predicate places. [2024-11-07 15:35:15,447 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 294 transitions, 930 flow [2024-11-07 15:35:15,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:15,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:15,448 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] [2024-11-07 15:35:15,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:35:15,448 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:15,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:15,449 INFO L85 PathProgramCache]: Analyzing trace with hash -420518204, now seen corresponding path program 1 times [2024-11-07 15:35:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994549407] [2024-11-07 15:35:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:15,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:15,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994549407] [2024-11-07 15:35:15,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994549407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:15,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:15,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594220753] [2024-11-07 15:35:15,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:15,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:15,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:16,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 240 [2024-11-07 15:35:16,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 294 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:16,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:16,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 240 [2024-11-07 15:35:16,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:16,699 INFO L124 PetriNetUnfolderBase]: 588/2293 cut-off events. [2024-11-07 15:35:16,699 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-11-07 15:35:16,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4691 conditions, 2293 events. 588/2293 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 15197 event pairs, 222 based on Foata normal form. 0/2182 useless extension candidates. Maximal degree in co-relation 4619. Up to 1090 conditions per place. [2024-11-07 15:35:16,711 INFO L140 encePairwiseOnDemand]: 225/240 looper letters, 114 selfloop transitions, 48 changer transitions 0/345 dead transitions. [2024-11-07 15:35:16,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 345 transitions, 1426 flow [2024-11-07 15:35:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2024-11-07 15:35:16,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097222222222222 [2024-11-07 15:35:16,715 INFO L175 Difference]: Start difference. First operand has 238 places, 294 transitions, 930 flow. Second operand 6 states and 1166 transitions. [2024-11-07 15:35:16,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 345 transitions, 1426 flow [2024-11-07 15:35:16,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 345 transitions, 1426 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:16,727 INFO L231 Difference]: Finished difference. Result has 248 places, 337 transitions, 1318 flow [2024-11-07 15:35:16,730 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1318, PETRI_PLACES=248, PETRI_TRANSITIONS=337} [2024-11-07 15:35:16,730 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 5 predicate places. [2024-11-07 15:35:16,730 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 337 transitions, 1318 flow [2024-11-07 15:35:16,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:16,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:16,732 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] [2024-11-07 15:35:16,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:35:16,733 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:16,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:16,734 INFO L85 PathProgramCache]: Analyzing trace with hash 678966440, now seen corresponding path program 1 times [2024-11-07 15:35:16,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:16,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309491550] [2024-11-07 15:35:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:16,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:17,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:17,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309491550] [2024-11-07 15:35:17,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309491550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:17,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:17,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:17,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237792752] [2024-11-07 15:35:17,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:17,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:17,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:17,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:17,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:17,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 240 [2024-11-07 15:35:17,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 337 transitions, 1318 flow. Second operand has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:17,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:17,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 240 [2024-11-07 15:35:17,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:18,193 INFO L124 PetriNetUnfolderBase]: 754/2823 cut-off events. [2024-11-07 15:35:18,194 INFO L125 PetriNetUnfolderBase]: For 1640/1696 co-relation queries the response was YES. [2024-11-07 15:35:18,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6590 conditions, 2823 events. 754/2823 cut-off events. For 1640/1696 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19722 event pairs, 86 based on Foata normal form. 0/2729 useless extension candidates. Maximal degree in co-relation 6511. Up to 1017 conditions per place. [2024-11-07 15:35:18,215 INFO L140 encePairwiseOnDemand]: 217/240 looper letters, 136 selfloop transitions, 136 changer transitions 4/477 dead transitions. [2024-11-07 15:35:18,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 477 transitions, 2626 flow [2024-11-07 15:35:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1224 transitions. [2024-11-07 15:35:18,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.85 [2024-11-07 15:35:18,219 INFO L175 Difference]: Start difference. First operand has 248 places, 337 transitions, 1318 flow. Second operand 6 states and 1224 transitions. [2024-11-07 15:35:18,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 477 transitions, 2626 flow [2024-11-07 15:35:18,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 477 transitions, 2608 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:18,238 INFO L231 Difference]: Finished difference. Result has 258 places, 468 transitions, 2666 flow [2024-11-07 15:35:18,239 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2666, PETRI_PLACES=258, PETRI_TRANSITIONS=468} [2024-11-07 15:35:18,239 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 15 predicate places. [2024-11-07 15:35:18,239 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 468 transitions, 2666 flow [2024-11-07 15:35:18,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.33333333333334) internal successors, (1124), 6 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:18,241 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:18,241 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] [2024-11-07 15:35:18,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:35:18,241 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:18,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash -365900599, now seen corresponding path program 1 times [2024-11-07 15:35:18,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:18,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665720021] [2024-11-07 15:35:18,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:18,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:18,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665720021] [2024-11-07 15:35:18,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665720021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:18,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:18,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:35:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895384252] [2024-11-07 15:35:18,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:18,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:35:18,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:18,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:35:18,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:35:19,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 240 [2024-11-07 15:35:19,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 468 transitions, 2666 flow. Second operand has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:19,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:19,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 240 [2024-11-07 15:35:19,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:19,660 INFO L124 PetriNetUnfolderBase]: 968/3386 cut-off events. [2024-11-07 15:35:19,661 INFO L125 PetriNetUnfolderBase]: For 3817/3888 co-relation queries the response was YES. [2024-11-07 15:35:19,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9627 conditions, 3386 events. 968/3386 cut-off events. For 3817/3888 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 24388 event pairs, 207 based on Foata normal form. 0/3298 useless extension candidates. Maximal degree in co-relation 9545. Up to 1565 conditions per place. [2024-11-07 15:35:19,692 INFO L140 encePairwiseOnDemand]: 225/240 looper letters, 239 selfloop transitions, 62 changer transitions 0/525 dead transitions. [2024-11-07 15:35:19,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 525 transitions, 3610 flow [2024-11-07 15:35:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:35:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:35:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2024-11-07 15:35:19,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097222222222222 [2024-11-07 15:35:19,696 INFO L175 Difference]: Start difference. First operand has 258 places, 468 transitions, 2666 flow. Second operand 6 states and 1166 transitions. [2024-11-07 15:35:19,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 525 transitions, 3610 flow [2024-11-07 15:35:19,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 525 transitions, 3574 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:19,725 INFO L231 Difference]: Finished difference. Result has 268 places, 517 transitions, 3256 flow [2024-11-07 15:35:19,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=2630, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3256, PETRI_PLACES=268, PETRI_TRANSITIONS=517} [2024-11-07 15:35:19,727 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 25 predicate places. [2024-11-07 15:35:19,727 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 517 transitions, 3256 flow [2024-11-07 15:35:19,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:19,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:19,728 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] [2024-11-07 15:35:19,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:35:19,728 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:19,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash 33238092, now seen corresponding path program 1 times [2024-11-07 15:35:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:19,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265851425] [2024-11-07 15:35:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:20,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:20,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265851425] [2024-11-07 15:35:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265851425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:20,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:20,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:20,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569747784] [2024-11-07 15:35:20,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:20,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:20,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:20,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:20,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:22,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:22,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 517 transitions, 3256 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:22,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:22,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:22,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:23,589 INFO L124 PetriNetUnfolderBase]: 1524/5131 cut-off events. [2024-11-07 15:35:23,590 INFO L125 PetriNetUnfolderBase]: For 8793/8894 co-relation queries the response was YES. [2024-11-07 15:35:23,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16430 conditions, 5131 events. 1524/5131 cut-off events. For 8793/8894 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 41536 event pairs, 111 based on Foata normal form. 47/5076 useless extension candidates. Maximal degree in co-relation 16338. Up to 1002 conditions per place. [2024-11-07 15:35:23,629 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 478 selfloop transitions, 172 changer transitions 0/843 dead transitions. [2024-11-07 15:35:23,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 843 transitions, 7206 flow [2024-11-07 15:35:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3314 transitions. [2024-11-07 15:35:23,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7267543859649123 [2024-11-07 15:35:23,637 INFO L175 Difference]: Start difference. First operand has 268 places, 517 transitions, 3256 flow. Second operand 19 states and 3314 transitions. [2024-11-07 15:35:23,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 843 transitions, 7206 flow [2024-11-07 15:35:23,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 843 transitions, 7024 flow, removed 91 selfloop flow, removed 0 redundant places. [2024-11-07 15:35:23,695 INFO L231 Difference]: Finished difference. Result has 295 places, 640 transitions, 4992 flow [2024-11-07 15:35:23,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=3144, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4992, PETRI_PLACES=295, PETRI_TRANSITIONS=640} [2024-11-07 15:35:23,697 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 52 predicate places. [2024-11-07 15:35:23,697 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 640 transitions, 4992 flow [2024-11-07 15:35:23,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:23,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:23,698 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] [2024-11-07 15:35:23,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:35:23,698 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:23,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1740036200, now seen corresponding path program 2 times [2024-11-07 15:35:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:23,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207908386] [2024-11-07 15:35:23,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:24,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:24,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207908386] [2024-11-07 15:35:24,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207908386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:24,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:24,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:24,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14773549] [2024-11-07 15:35:24,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:24,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:24,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:24,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:24,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:25,609 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:25,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 640 transitions, 4992 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:25,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:25,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:25,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:27,018 INFO L124 PetriNetUnfolderBase]: 2138/7193 cut-off events. [2024-11-07 15:35:27,018 INFO L125 PetriNetUnfolderBase]: For 17382/17602 co-relation queries the response was YES. [2024-11-07 15:35:27,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24652 conditions, 7193 events. 2138/7193 cut-off events. For 17382/17602 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 65467 event pairs, 198 based on Foata normal form. 57/7126 useless extension candidates. Maximal degree in co-relation 24547. Up to 2162 conditions per place. [2024-11-07 15:35:27,130 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 458 selfloop transitions, 189 changer transitions 1/841 dead transitions. [2024-11-07 15:35:27,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 841 transitions, 8174 flow [2024-11-07 15:35:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 15:35:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 15:35:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2614 transitions. [2024-11-07 15:35:27,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7261111111111112 [2024-11-07 15:35:27,136 INFO L175 Difference]: Start difference. First operand has 295 places, 640 transitions, 4992 flow. Second operand 15 states and 2614 transitions. [2024-11-07 15:35:27,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 841 transitions, 8174 flow [2024-11-07 15:35:27,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 841 transitions, 8119 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-07 15:35:27,221 INFO L231 Difference]: Finished difference. Result has 314 places, 736 transitions, 7002 flow [2024-11-07 15:35:27,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=4951, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7002, PETRI_PLACES=314, PETRI_TRANSITIONS=736} [2024-11-07 15:35:27,223 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 71 predicate places. [2024-11-07 15:35:27,223 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 736 transitions, 7002 flow [2024-11-07 15:35:27,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:27,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:27,224 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] [2024-11-07 15:35:27,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:35:27,224 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:27,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2011476306, now seen corresponding path program 3 times [2024-11-07 15:35:27,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:27,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716752680] [2024-11-07 15:35:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:28,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:28,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716752680] [2024-11-07 15:35:28,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716752680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:28,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:28,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:28,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688276939] [2024-11-07 15:35:28,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:28,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:28,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:28,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:28,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:29,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:29,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 736 transitions, 7002 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:29,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:29,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:29,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:31,581 INFO L124 PetriNetUnfolderBase]: 3213/10760 cut-off events. [2024-11-07 15:35:31,581 INFO L125 PetriNetUnfolderBase]: For 35505/35856 co-relation queries the response was YES. [2024-11-07 15:35:31,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38860 conditions, 10760 events. 3213/10760 cut-off events. For 35505/35856 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 108684 event pairs, 300 based on Foata normal form. 116/10688 useless extension candidates. Maximal degree in co-relation 38744. Up to 2268 conditions per place. [2024-11-07 15:35:31,662 INFO L140 encePairwiseOnDemand]: 205/240 looper letters, 525 selfloop transitions, 374 changer transitions 2/1094 dead transitions. [2024-11-07 15:35:31,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 1094 transitions, 12605 flow [2024-11-07 15:35:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3353 transitions. [2024-11-07 15:35:31,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7353070175438596 [2024-11-07 15:35:31,668 INFO L175 Difference]: Start difference. First operand has 314 places, 736 transitions, 7002 flow. Second operand 19 states and 3353 transitions. [2024-11-07 15:35:31,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 1094 transitions, 12605 flow [2024-11-07 15:35:31,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 1094 transitions, 12570 flow, removed 15 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:32,010 INFO L231 Difference]: Finished difference. Result has 344 places, 884 transitions, 10755 flow [2024-11-07 15:35:32,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=6971, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=736, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=237, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10755, PETRI_PLACES=344, PETRI_TRANSITIONS=884} [2024-11-07 15:35:32,013 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 101 predicate places. [2024-11-07 15:35:32,013 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 884 transitions, 10755 flow [2024-11-07 15:35:32,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:32,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:32,015 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] [2024-11-07 15:35:32,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:35:32,015 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:32,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1782067446, now seen corresponding path program 4 times [2024-11-07 15:35:32,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:32,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624331045] [2024-11-07 15:35:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:32,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:32,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:32,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624331045] [2024-11-07 15:35:32,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624331045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:32,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:32,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:32,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030157275] [2024-11-07 15:35:32,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:32,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:32,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:33,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:33,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 884 transitions, 10755 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:33,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:33,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:33,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:36,182 INFO L124 PetriNetUnfolderBase]: 3264/10890 cut-off events. [2024-11-07 15:35:36,182 INFO L125 PetriNetUnfolderBase]: For 53230/53665 co-relation queries the response was YES. [2024-11-07 15:35:36,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42543 conditions, 10890 events. 3264/10890 cut-off events. For 53230/53665 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 109680 event pairs, 285 based on Foata normal form. 133/10851 useless extension candidates. Maximal degree in co-relation 42411. Up to 2156 conditions per place. [2024-11-07 15:35:36,258 INFO L140 encePairwiseOnDemand]: 219/240 looper letters, 670 selfloop transitions, 215 changer transitions 0/1078 dead transitions. [2024-11-07 15:35:36,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 1078 transitions, 14449 flow [2024-11-07 15:35:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:35:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:35:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3289 transitions. [2024-11-07 15:35:36,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7212719298245615 [2024-11-07 15:35:36,261 INFO L175 Difference]: Start difference. First operand has 344 places, 884 transitions, 10755 flow. Second operand 19 states and 3289 transitions. [2024-11-07 15:35:36,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 1078 transitions, 14449 flow [2024-11-07 15:35:36,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 1078 transitions, 14358 flow, removed 43 selfloop flow, removed 3 redundant places. [2024-11-07 15:35:36,527 INFO L231 Difference]: Finished difference. Result has 368 places, 945 transitions, 12283 flow [2024-11-07 15:35:36,528 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=10664, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=884, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=12283, PETRI_PLACES=368, PETRI_TRANSITIONS=945} [2024-11-07 15:35:36,528 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 125 predicate places. [2024-11-07 15:35:36,528 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 945 transitions, 12283 flow [2024-11-07 15:35:36,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:36,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:36,529 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] [2024-11-07 15:35:36,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:35:36,530 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:36,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash 225848600, now seen corresponding path program 5 times [2024-11-07 15:35:36,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:36,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601217579] [2024-11-07 15:35:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:37,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:37,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601217579] [2024-11-07 15:35:37,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601217579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:37,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:37,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:37,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181114695] [2024-11-07 15:35:37,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:37,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:37,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:37,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:37,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:38,413 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:38,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 945 transitions, 12283 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:38,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:38,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:38,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:41,856 INFO L124 PetriNetUnfolderBase]: 4447/14652 cut-off events. [2024-11-07 15:35:41,856 INFO L125 PetriNetUnfolderBase]: For 81716/82349 co-relation queries the response was YES. [2024-11-07 15:35:41,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58255 conditions, 14652 events. 4447/14652 cut-off events. For 81716/82349 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 158568 event pairs, 382 based on Foata normal form. 176/14574 useless extension candidates. Maximal degree in co-relation 58113. Up to 3117 conditions per place. [2024-11-07 15:35:42,013 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 639 selfloop transitions, 413 changer transitions 3/1248 dead transitions. [2024-11-07 15:35:42,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 1248 transitions, 18249 flow [2024-11-07 15:35:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 15:35:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 15:35:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3528 transitions. [2024-11-07 15:35:42,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.735 [2024-11-07 15:35:42,019 INFO L175 Difference]: Start difference. First operand has 368 places, 945 transitions, 12283 flow. Second operand 20 states and 3528 transitions. [2024-11-07 15:35:42,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 1248 transitions, 18249 flow [2024-11-07 15:35:42,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 1248 transitions, 18068 flow, removed 66 selfloop flow, removed 9 redundant places. [2024-11-07 15:35:42,432 INFO L231 Difference]: Finished difference. Result has 389 places, 1060 transitions, 16157 flow [2024-11-07 15:35:42,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=12108, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=298, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=16157, PETRI_PLACES=389, PETRI_TRANSITIONS=1060} [2024-11-07 15:35:42,433 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 146 predicate places. [2024-11-07 15:35:42,433 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 1060 transitions, 16157 flow [2024-11-07 15:35:42,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:42,434 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:42,434 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] [2024-11-07 15:35:42,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:35:42,435 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:42,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:42,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1938151713, now seen corresponding path program 1 times [2024-11-07 15:35:42,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:42,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030133902] [2024-11-07 15:35:42,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:42,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:43,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:43,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030133902] [2024-11-07 15:35:43,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030133902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:43,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:43,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:43,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500222413] [2024-11-07 15:35:43,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:43,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:43,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:43,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:43,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:44,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 240 [2024-11-07 15:35:44,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 1060 transitions, 16157 flow. Second operand has 13 states, 13 states have (on average 168.69230769230768) internal successors, (2193), 13 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:44,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:44,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 240 [2024-11-07 15:35:44,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:48,765 INFO L124 PetriNetUnfolderBase]: 5309/16661 cut-off events. [2024-11-07 15:35:48,765 INFO L125 PetriNetUnfolderBase]: For 101635/102142 co-relation queries the response was YES. [2024-11-07 15:35:48,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69922 conditions, 16661 events. 5309/16661 cut-off events. For 101635/102142 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 179044 event pairs, 824 based on Foata normal form. 102/16497 useless extension candidates. Maximal degree in co-relation 69769. Up to 3950 conditions per place. [2024-11-07 15:35:48,878 INFO L140 encePairwiseOnDemand]: 219/240 looper letters, 580 selfloop transitions, 241 changer transitions 0/1214 dead transitions. [2024-11-07 15:35:48,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 1214 transitions, 19689 flow [2024-11-07 15:35:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 15:35:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-07 15:35:48,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2325 transitions. [2024-11-07 15:35:48,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7451923076923077 [2024-11-07 15:35:48,881 INFO L175 Difference]: Start difference. First operand has 389 places, 1060 transitions, 16157 flow. Second operand 13 states and 2325 transitions. [2024-11-07 15:35:48,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 1214 transitions, 19689 flow [2024-11-07 15:35:49,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 1214 transitions, 19620 flow, removed 23 selfloop flow, removed 7 redundant places. [2024-11-07 15:35:49,311 INFO L231 Difference]: Finished difference. Result has 399 places, 1078 transitions, 17259 flow [2024-11-07 15:35:49,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=16112, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17259, PETRI_PLACES=399, PETRI_TRANSITIONS=1078} [2024-11-07 15:35:49,312 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 156 predicate places. [2024-11-07 15:35:49,312 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 1078 transitions, 17259 flow [2024-11-07 15:35:49,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 168.69230769230768) internal successors, (2193), 13 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:49,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:49,314 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] [2024-11-07 15:35:49,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:35:49,314 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:49,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1316580982, now seen corresponding path program 6 times [2024-11-07 15:35:49,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:49,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422142536] [2024-11-07 15:35:49,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:50,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422142536] [2024-11-07 15:35:50,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422142536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:50,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:50,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:50,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522886942] [2024-11-07 15:35:50,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:50,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:50,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:50,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:51,534 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:51,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 1078 transitions, 17259 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:51,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:51,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:51,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:35:56,135 INFO L124 PetriNetUnfolderBase]: 5021/16520 cut-off events. [2024-11-07 15:35:56,135 INFO L125 PetriNetUnfolderBase]: For 131274/132301 co-relation queries the response was YES. [2024-11-07 15:35:56,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73367 conditions, 16520 events. 5021/16520 cut-off events. For 131274/132301 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 183994 event pairs, 400 based on Foata normal form. 317/16572 useless extension candidates. Maximal degree in co-relation 73209. Up to 3311 conditions per place. [2024-11-07 15:35:56,278 INFO L140 encePairwiseOnDemand]: 207/240 looper letters, 706 selfloop transitions, 440 changer transitions 3/1348 dead transitions. [2024-11-07 15:35:56,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 1348 transitions, 23490 flow [2024-11-07 15:35:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:35:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:35:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3696 transitions. [2024-11-07 15:35:56,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-07 15:35:56,280 INFO L175 Difference]: Start difference. First operand has 399 places, 1078 transitions, 17259 flow. Second operand 21 states and 3696 transitions. [2024-11-07 15:35:56,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 1348 transitions, 23490 flow [2024-11-07 15:35:56,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 1348 transitions, 23298 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-07 15:35:56,858 INFO L231 Difference]: Finished difference. Result has 419 places, 1158 transitions, 21034 flow [2024-11-07 15:35:56,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=17108, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1078, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=21034, PETRI_PLACES=419, PETRI_TRANSITIONS=1158} [2024-11-07 15:35:56,859 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 176 predicate places. [2024-11-07 15:35:56,859 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 1158 transitions, 21034 flow [2024-11-07 15:35:56,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:56,861 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:35:56,861 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] [2024-11-07 15:35:56,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:35:56,861 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:35:56,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:35:56,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1877225190, now seen corresponding path program 7 times [2024-11-07 15:35:56,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:35:56,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161839290] [2024-11-07 15:35:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:35:56,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:35:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:35:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:35:57,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:35:57,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161839290] [2024-11-07 15:35:57,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161839290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:35:57,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:35:57,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:35:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919829813] [2024-11-07 15:35:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:35:57,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:35:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:35:57,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:35:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:35:58,697 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:35:58,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 1158 transitions, 21034 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:35:58,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:35:58,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:35:58,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:03,953 INFO L124 PetriNetUnfolderBase]: 5383/17748 cut-off events. [2024-11-07 15:36:03,953 INFO L125 PetriNetUnfolderBase]: For 173616/174650 co-relation queries the response was YES. [2024-11-07 15:36:04,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81960 conditions, 17748 events. 5383/17748 cut-off events. For 173616/174650 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 201050 event pairs, 416 based on Foata normal form. 351/17810 useless extension candidates. Maximal degree in co-relation 81795. Up to 3564 conditions per place. [2024-11-07 15:36:04,088 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 672 selfloop transitions, 566 changer transitions 0/1437 dead transitions. [2024-11-07 15:36:04,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 1437 transitions, 27948 flow [2024-11-07 15:36:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:36:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 15:36:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3315 transitions. [2024-11-07 15:36:04,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269736842105263 [2024-11-07 15:36:04,092 INFO L175 Difference]: Start difference. First operand has 419 places, 1158 transitions, 21034 flow. Second operand 19 states and 3315 transitions. [2024-11-07 15:36:04,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 1437 transitions, 27948 flow [2024-11-07 15:36:04,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 1437 transitions, 27879 flow, removed 7 selfloop flow, removed 12 redundant places. [2024-11-07 15:36:04,822 INFO L231 Difference]: Finished difference. Result has 433 places, 1252 transitions, 25264 flow [2024-11-07 15:36:04,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=20965, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=474, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=25264, PETRI_PLACES=433, PETRI_TRANSITIONS=1252} [2024-11-07 15:36:04,823 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 190 predicate places. [2024-11-07 15:36:04,824 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 1252 transitions, 25264 flow [2024-11-07 15:36:04,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 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 15:36:04,824 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:04,824 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] [2024-11-07 15:36:04,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:36:04,824 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:04,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:04,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1469722600, now seen corresponding path program 8 times [2024-11-07 15:36:04,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:04,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544958518] [2024-11-07 15:36:04,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:04,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:05,419 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 15:36:05,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544958518] [2024-11-07 15:36:05,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544958518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:05,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:05,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:05,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862180941] [2024-11-07 15:36:05,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:05,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:05,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:05,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:05,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:06,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:36:06,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 1252 transitions, 25264 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:36:06,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:06,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:36:06,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:12,433 INFO L124 PetriNetUnfolderBase]: 6105/20087 cut-off events. [2024-11-07 15:36:12,434 INFO L125 PetriNetUnfolderBase]: For 232788/233977 co-relation queries the response was YES. [2024-11-07 15:36:12,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96607 conditions, 20087 events. 6105/20087 cut-off events. For 232788/233977 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 233722 event pairs, 557 based on Foata normal form. 399/20154 useless extension candidates. Maximal degree in co-relation 96434. Up to 4014 conditions per place. [2024-11-07 15:36:12,806 INFO L140 encePairwiseOnDemand]: 208/240 looper letters, 831 selfloop transitions, 556 changer transitions 2/1588 dead transitions. [2024-11-07 15:36:12,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 1588 transitions, 33710 flow [2024-11-07 15:36:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 15:36:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 15:36:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3686 transitions. [2024-11-07 15:36:12,808 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7313492063492063 [2024-11-07 15:36:12,808 INFO L175 Difference]: Start difference. First operand has 433 places, 1252 transitions, 25264 flow. Second operand 21 states and 3686 transitions. [2024-11-07 15:36:12,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 1588 transitions, 33710 flow [2024-11-07 15:36:13,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 1588 transitions, 33541 flow, removed 60 selfloop flow, removed 9 redundant places. [2024-11-07 15:36:13,772 INFO L231 Difference]: Finished difference. Result has 453 places, 1365 transitions, 30656 flow [2024-11-07 15:36:13,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=25095, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=450, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=30656, PETRI_PLACES=453, PETRI_TRANSITIONS=1365} [2024-11-07 15:36:13,774 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 210 predicate places. [2024-11-07 15:36:13,774 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 1365 transitions, 30656 flow [2024-11-07 15:36:13,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 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 15:36:13,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:13,775 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] [2024-11-07 15:36:13,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:36:13,775 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:13,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:13,776 INFO L85 PathProgramCache]: Analyzing trace with hash -508116584, now seen corresponding path program 9 times [2024-11-07 15:36:13,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:13,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146613454] [2024-11-07 15:36:13,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:13,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:14,597 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 15:36:14,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:14,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146613454] [2024-11-07 15:36:14,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146613454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:14,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:14,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:14,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484378228] [2024-11-07 15:36:14,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:14,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:14,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:14,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:14,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:15,592 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:36:15,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 1365 transitions, 30656 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 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 15:36:15,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:15,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:36:15,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:36:22,205 INFO L124 PetriNetUnfolderBase]: 6435/21114 cut-off events. [2024-11-07 15:36:22,205 INFO L125 PetriNetUnfolderBase]: For 293336/294732 co-relation queries the response was YES. [2024-11-07 15:36:22,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105752 conditions, 21114 events. 6435/21114 cut-off events. For 293336/294732 co-relation queries the response was YES. Maximal size of possible extension queue 756. Compared 248532 event pairs, 435 based on Foata normal form. 456/21234 useless extension candidates. Maximal degree in co-relation 105570. Up to 4246 conditions per place. [2024-11-07 15:36:22,396 INFO L140 encePairwiseOnDemand]: 211/240 looper letters, 686 selfloop transitions, 691 changer transitions 0/1576 dead transitions. [2024-11-07 15:36:22,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1576 transitions, 37288 flow [2024-11-07 15:36:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 15:36:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 15:36:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3139 transitions. [2024-11-07 15:36:22,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7266203703703704 [2024-11-07 15:36:22,399 INFO L175 Difference]: Start difference. First operand has 453 places, 1365 transitions, 30656 flow. Second operand 18 states and 3139 transitions. [2024-11-07 15:36:22,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1576 transitions, 37288 flow [2024-11-07 15:36:23,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 1576 transitions, 37043 flow, removed 90 selfloop flow, removed 11 redundant places. [2024-11-07 15:36:23,798 INFO L231 Difference]: Finished difference. Result has 466 places, 1434 transitions, 35525 flow [2024-11-07 15:36:23,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=240, PETRI_DIFFERENCE_MINUEND_FLOW=30411, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=622, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=35525, PETRI_PLACES=466, PETRI_TRANSITIONS=1434} [2024-11-07 15:36:23,799 INFO L277 CegarLoopForPetriNet]: 243 programPoint places, 223 predicate places. [2024-11-07 15:36:23,799 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 1434 transitions, 35525 flow [2024-11-07 15:36:23,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 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 15:36:23,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:36:23,800 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] [2024-11-07 15:36:23,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:36:23,801 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-07 15:36:23,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:36:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1293152700, now seen corresponding path program 10 times [2024-11-07 15:36:23,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:36:23,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318113050] [2024-11-07 15:36:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:36:23,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:36:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:36:24,485 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 15:36:24,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:36:24,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318113050] [2024-11-07 15:36:24,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318113050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:36:24,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:36:24,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-07 15:36:24,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077635992] [2024-11-07 15:36:24,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:36:24,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 15:36:24,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:36:24,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 15:36:24,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-07 15:36:25,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 240 [2024-11-07 15:36:25,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 1434 transitions, 35525 flow. Second operand has 13 states, 13 states have (on average 166.69230769230768) internal successors, (2167), 13 states have internal predecessors, (2167), 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 15:36:25,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:36:25,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 240 [2024-11-07 15:36:25,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand