./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --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/weaver/parallel-ticket-5.wvr.c', '-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', '9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f'] 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/weaver/parallel-ticket-5.wvr.c -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 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:43:58,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:43:58,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:43:58,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:43:58,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:43:58,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:43:58,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:43:58,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:43:58,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:43:58,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:43:58,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:43:58,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:43:58,917 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:43:58,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:43:58,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:43:58,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:43:58,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:43:58,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:43:58,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:43:58,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:43:58,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:58,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:43:58,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:43:58,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:43:58,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:43:58,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:43:58,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:43:58,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:43:58,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:43:58,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:43:58,921 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 -> 9c69d99d457f457373aeec8cf091a3652593de03a43f690cddfeb4bfa1e12a5f [2024-11-07 15:43:59,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:43:59,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:43:59,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:43:59,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:43:59,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:43:59,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-07 15:44:00,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:44:00,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:44:00,873 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2024-11-07 15:44:00,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4cd74cf56/48f71efd021f4202b2d6ad9272e94a64/FLAG8abbf6ec1 [2024-11-07 15:44:00,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4cd74cf56/48f71efd021f4202b2d6ad9272e94a64 [2024-11-07 15:44:00,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:44:00,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:44:00,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:44:00,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:44:00,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:44:00,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:44:00" (1/1) ... [2024-11-07 15:44:00,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73acaaed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:00, skipping insertion in model container [2024-11-07 15:44:00,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:44:00" (1/1) ... [2024-11-07 15:44:00,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:44:01,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:44:01,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:44:01,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:44:01,154 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:44:01,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01 WrapperNode [2024-11-07 15:44:01,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:44:01,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:44:01,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:44:01,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:44:01,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,197 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 256 [2024-11-07 15:44:01,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:44:01,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:44:01,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:44:01,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:44:01,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:44:01,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:44:01,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:44:01,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:44:01,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (1/1) ... [2024-11-07 15:44:01,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:44:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:44:01,262 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 15:44:01,265 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 15:44:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:44:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:44:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:44:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:44:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:44:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 15:44:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 15:44:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-07 15:44:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-07 15:44:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:44:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-07 15:44:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-07 15:44:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:44:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:44:01,287 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 15:44:01,386 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:44:01,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:44:01,762 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:44:01,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:44:01,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:44:01,809 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:44:01,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:44:01 BoogieIcfgContainer [2024-11-07 15:44:01,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:44:01,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:44:01,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:44:01,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:44:01,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:44:00" (1/3) ... [2024-11-07 15:44:01,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ac157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:44:01, skipping insertion in model container [2024-11-07 15:44:01,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:44:01" (2/3) ... [2024-11-07 15:44:01,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7ac157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:44:01, skipping insertion in model container [2024-11-07 15:44:01,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:44:01" (3/3) ... [2024-11-07 15:44:01,823 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-11-07 15:44:01,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:44:01,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-11-07 15:44:01,847 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:44:01,947 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-07 15:44:01,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 286 places, 281 transitions, 597 flow [2024-11-07 15:44:02,108 INFO L124 PetriNetUnfolderBase]: 11/276 cut-off events. [2024-11-07 15:44:02,110 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:44:02,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 276 events. 11/276 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 476 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 233. Up to 2 conditions per place. [2024-11-07 15:44:02,123 INFO L82 GeneralOperation]: Start removeDead. Operand has 286 places, 281 transitions, 597 flow [2024-11-07 15:44:02,129 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 259 transitions, 545 flow [2024-11-07 15:44:02,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:44:02,157 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;@2d78ede4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:44:02,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-07 15:44:02,168 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:44:02,168 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-07 15:44:02,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:44:02,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:02,170 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] [2024-11-07 15:44:02,170 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:02,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:02,176 INFO L85 PathProgramCache]: Analyzing trace with hash 285471371, now seen corresponding path program 1 times [2024-11-07 15:44:02,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:02,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882594344] [2024-11-07 15:44:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:02,352 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 15:44:02,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882594344] [2024-11-07 15:44:02,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882594344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:02,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:02,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:02,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402343804] [2024-11-07 15:44:02,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:02,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:02,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:02,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:02,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:02,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-07 15:44:02,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 259 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:02,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:02,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-07 15:44:02,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:04,640 INFO L124 PetriNetUnfolderBase]: 2112/10432 cut-off events. [2024-11-07 15:44:04,641 INFO L125 PetriNetUnfolderBase]: For 561/561 co-relation queries the response was YES. [2024-11-07 15:44:04,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13475 conditions, 10432 events. 2112/10432 cut-off events. For 561/561 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 119043 event pairs, 1784 based on Foata normal form. 767/9569 useless extension candidates. Maximal degree in co-relation 12989. Up to 2513 conditions per place. [2024-11-07 15:44:04,796 INFO L140 encePairwiseOnDemand]: 272/281 looper letters, 24 selfloop transitions, 2 changer transitions 1/252 dead transitions. [2024-11-07 15:44:04,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 252 transitions, 583 flow [2024-11-07 15:44:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2024-11-07 15:44:04,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9074733096085409 [2024-11-07 15:44:04,823 INFO L175 Difference]: Start difference. First operand has 265 places, 259 transitions, 545 flow. Second operand 3 states and 765 transitions. [2024-11-07 15:44:04,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 252 transitions, 583 flow [2024-11-07 15:44:04,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 252 transitions, 566 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-07 15:44:04,838 INFO L231 Difference]: Finished difference. Result has 257 places, 251 transitions, 516 flow [2024-11-07 15:44:04,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=257, PETRI_TRANSITIONS=251} [2024-11-07 15:44:04,843 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -8 predicate places. [2024-11-07 15:44:04,844 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 251 transitions, 516 flow [2024-11-07 15:44:04,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:04,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:04,845 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] [2024-11-07 15:44:04,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:44:04,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:04,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash -987359909, now seen corresponding path program 1 times [2024-11-07 15:44:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:04,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145869179] [2024-11-07 15:44:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:04,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:04,904 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 15:44:04,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:04,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145869179] [2024-11-07 15:44:04,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145869179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:04,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:04,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:04,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302636776] [2024-11-07 15:44:04,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:04,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:04,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:04,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:04,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:04,930 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-07 15:44:04,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 251 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:04,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:04,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-07 15:44:04,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:06,580 INFO L124 PetriNetUnfolderBase]: 2278/10788 cut-off events. [2024-11-07 15:44:06,580 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2024-11-07 15:44:06,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13853 conditions, 10788 events. 2278/10788 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 123142 event pairs, 1944 based on Foata normal form. 0/9091 useless extension candidates. Maximal degree in co-relation 13817. Up to 2725 conditions per place. [2024-11-07 15:44:06,790 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-07 15:44:06,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 250 transitions, 566 flow [2024-11-07 15:44:06,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-07 15:44:06,796 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-07 15:44:06,797 INFO L175 Difference]: Start difference. First operand has 257 places, 251 transitions, 516 flow. Second operand 3 states and 759 transitions. [2024-11-07 15:44:06,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 250 transitions, 566 flow [2024-11-07 15:44:06,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 250 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:06,806 INFO L231 Difference]: Finished difference. Result has 255 places, 250 transitions, 514 flow [2024-11-07 15:44:06,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=255, PETRI_TRANSITIONS=250} [2024-11-07 15:44:06,810 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -10 predicate places. [2024-11-07 15:44:06,810 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 250 transitions, 514 flow [2024-11-07 15:44:06,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:06,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:06,811 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] [2024-11-07 15:44:06,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:44:06,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:06,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1592282044, now seen corresponding path program 1 times [2024-11-07 15:44:06,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:06,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635982121] [2024-11-07 15:44:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:06,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:06,885 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 15:44:06,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:06,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635982121] [2024-11-07 15:44:06,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635982121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:06,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:06,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:06,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073927850] [2024-11-07 15:44:06,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:06,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:06,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:06,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:06,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-07 15:44:06,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 250 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:06,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:06,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-07 15:44:06,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:08,122 INFO L124 PetriNetUnfolderBase]: 2280/10069 cut-off events. [2024-11-07 15:44:08,122 INFO L125 PetriNetUnfolderBase]: For 192/192 co-relation queries the response was YES. [2024-11-07 15:44:08,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13172 conditions, 10069 events. 2280/10069 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 111361 event pairs, 1976 based on Foata normal form. 0/8453 useless extension candidates. Maximal degree in co-relation 13128. Up to 2769 conditions per place. [2024-11-07 15:44:08,250 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-11-07 15:44:08,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 564 flow [2024-11-07 15:44:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-07 15:44:08,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-07 15:44:08,253 INFO L175 Difference]: Start difference. First operand has 255 places, 250 transitions, 514 flow. Second operand 3 states and 759 transitions. [2024-11-07 15:44:08,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 564 flow [2024-11-07 15:44:08,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:08,258 INFO L231 Difference]: Finished difference. Result has 254 places, 249 transitions, 512 flow [2024-11-07 15:44:08,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=254, PETRI_TRANSITIONS=249} [2024-11-07 15:44:08,259 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -11 predicate places. [2024-11-07 15:44:08,260 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 249 transitions, 512 flow [2024-11-07 15:44:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:08,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:08,260 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] [2024-11-07 15:44:08,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:44:08,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:08,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:08,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1841425130, now seen corresponding path program 1 times [2024-11-07 15:44:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:08,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815227739] [2024-11-07 15:44:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:08,325 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 15:44:08,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:08,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815227739] [2024-11-07 15:44:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815227739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:08,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224569013] [2024-11-07 15:44:08,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:08,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:08,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:08,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:08,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:08,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-07 15:44:08,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:08,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:08,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-07 15:44:08,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:09,462 INFO L124 PetriNetUnfolderBase]: 2188/8536 cut-off events. [2024-11-07 15:44:09,463 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2024-11-07 15:44:09,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11577 conditions, 8536 events. 2188/8536 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 89139 event pairs, 1944 based on Foata normal form. 0/7148 useless extension candidates. Maximal degree in co-relation 11525. Up to 2725 conditions per place. [2024-11-07 15:44:09,526 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2024-11-07 15:44:09,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 248 transitions, 562 flow [2024-11-07 15:44:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-07 15:44:09,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-07 15:44:09,529 INFO L175 Difference]: Start difference. First operand has 254 places, 249 transitions, 512 flow. Second operand 3 states and 759 transitions. [2024-11-07 15:44:09,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 248 transitions, 562 flow [2024-11-07 15:44:09,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 248 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:09,533 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 510 flow [2024-11-07 15:44:09,534 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2024-11-07 15:44:09,534 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -12 predicate places. [2024-11-07 15:44:09,535 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 510 flow [2024-11-07 15:44:09,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:09,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:09,535 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] [2024-11-07 15:44:09,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:44:09,536 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:09,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash 749159949, now seen corresponding path program 1 times [2024-11-07 15:44:09,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:09,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076589217] [2024-11-07 15:44:09,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:09,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:09,615 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 15:44:09,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:09,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076589217] [2024-11-07 15:44:09,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076589217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:09,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:09,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:09,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106947400] [2024-11-07 15:44:09,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:09,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:09,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:09,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:09,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:09,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 281 [2024-11-07 15:44:09,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:09,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:09,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 281 [2024-11-07 15:44:09,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:10,663 INFO L124 PetriNetUnfolderBase]: 2118/10633 cut-off events. [2024-11-07 15:44:10,664 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-11-07 15:44:10,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13354 conditions, 10633 events. 2118/10633 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 119986 event pairs, 1784 based on Foata normal form. 0/8987 useless extension candidates. Maximal degree in co-relation 13294. Up to 2513 conditions per place. [2024-11-07 15:44:10,753 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2024-11-07 15:44:10,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 247 transitions, 560 flow [2024-11-07 15:44:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-07 15:44:10,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900355871886121 [2024-11-07 15:44:10,755 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 510 flow. Second operand 3 states and 759 transitions. [2024-11-07 15:44:10,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 247 transitions, 560 flow [2024-11-07 15:44:10,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:10,761 INFO L231 Difference]: Finished difference. Result has 252 places, 247 transitions, 508 flow [2024-11-07 15:44:10,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=252, PETRI_TRANSITIONS=247} [2024-11-07 15:44:10,764 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -13 predicate places. [2024-11-07 15:44:10,764 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 247 transitions, 508 flow [2024-11-07 15:44:10,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 15:44:10,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:10,764 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 15:44:10,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:44:10,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:10,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:10,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1388484959, now seen corresponding path program 1 times [2024-11-07 15:44:10,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:10,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468824776] [2024-11-07 15:44:10,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:10,980 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 15:44:10,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:10,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468824776] [2024-11-07 15:44:10,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468824776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:10,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:10,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:10,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510219215] [2024-11-07 15:44:10,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:10,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:10,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:10,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:10,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:11,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-07 15:44:11,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 15:44:11,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:11,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-07 15:44:11,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:12,373 INFO L124 PetriNetUnfolderBase]: 3102/12484 cut-off events. [2024-11-07 15:44:12,373 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-07 15:44:12,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16871 conditions, 12484 events. 3102/12484 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 144281 event pairs, 2108 based on Foata normal form. 0/10599 useless extension candidates. Maximal degree in co-relation 16803. Up to 2956 conditions per place. [2024-11-07 15:44:12,453 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-07 15:44:12,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 258 transitions, 609 flow [2024-11-07 15:44:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-07 15:44:12,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-07 15:44:12,455 INFO L175 Difference]: Start difference. First operand has 252 places, 247 transitions, 508 flow. Second operand 3 states and 776 transitions. [2024-11-07 15:44:12,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 258 transitions, 609 flow [2024-11-07 15:44:12,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 258 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:12,458 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 506 flow [2024-11-07 15:44:12,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2024-11-07 15:44:12,459 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -14 predicate places. [2024-11-07 15:44:12,459 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 506 flow [2024-11-07 15:44:12,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 15:44:12,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:12,460 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 15:44:12,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:44:12,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:12,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:12,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1807943198, now seen corresponding path program 1 times [2024-11-07 15:44:12,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:12,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998303336] [2024-11-07 15:44:12,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:12,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:12,558 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 15:44:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:12,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998303336] [2024-11-07 15:44:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998303336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:12,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:12,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100101712] [2024-11-07 15:44:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:12,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:12,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:12,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:12,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-07 15:44:12,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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 15:44:12,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:12,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-07 15:44:12,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:13,366 INFO L124 PetriNetUnfolderBase]: 2274/8550 cut-off events. [2024-11-07 15:44:13,366 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES. [2024-11-07 15:44:13,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12045 conditions, 8550 events. 2274/8550 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 90771 event pairs, 1330 based on Foata normal form. 0/7568 useless extension candidates. Maximal degree in co-relation 8122. Up to 1739 conditions per place. [2024-11-07 15:44:13,446 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/257 dead transitions. [2024-11-07 15:44:13,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 257 transitions, 603 flow [2024-11-07 15:44:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-07 15:44:13,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-07 15:44:13,449 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 506 flow. Second operand 3 states and 780 transitions. [2024-11-07 15:44:13,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 257 transitions, 603 flow [2024-11-07 15:44:13,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 257 transitions, 599 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:13,454 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 502 flow [2024-11-07 15:44:13,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2024-11-07 15:44:13,455 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-07 15:44:13,455 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 502 flow [2024-11-07 15:44:13,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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 15:44:13,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:13,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:13,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:44:13,456 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:13,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:13,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1924736647, now seen corresponding path program 1 times [2024-11-07 15:44:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:13,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627345059] [2024-11-07 15:44:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:13,549 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 15:44:13,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:13,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627345059] [2024-11-07 15:44:13,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627345059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:13,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:13,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:13,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442416991] [2024-11-07 15:44:13,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:13,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:13,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:13,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:13,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-07 15:44:13,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 15:44:13,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:13,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-07 15:44:13,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:14,705 INFO L124 PetriNetUnfolderBase]: 3543/13227 cut-off events. [2024-11-07 15:44:14,705 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES. [2024-11-07 15:44:14,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18150 conditions, 13227 events. 3543/13227 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 150937 event pairs, 2348 based on Foata normal form. 0/11238 useless extension candidates. Maximal degree in co-relation 13510. Up to 3274 conditions per place. [2024-11-07 15:44:14,845 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2024-11-07 15:44:14,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 256 transitions, 603 flow [2024-11-07 15:44:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-07 15:44:14,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-07 15:44:14,848 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 502 flow. Second operand 3 states and 776 transitions. [2024-11-07 15:44:14,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 256 transitions, 603 flow [2024-11-07 15:44:14,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 256 transitions, 602 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:44:14,852 INFO L231 Difference]: Finished difference. Result has 250 places, 244 transitions, 503 flow [2024-11-07 15:44:14,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=250, PETRI_TRANSITIONS=244} [2024-11-07 15:44:14,853 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -15 predicate places. [2024-11-07 15:44:14,853 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 244 transitions, 503 flow [2024-11-07 15:44:14,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 15:44:14,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:14,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:14,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:44:14,855 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:14,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:14,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1905989238, now seen corresponding path program 1 times [2024-11-07 15:44:14,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:14,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328095011] [2024-11-07 15:44:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:14,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:14,901 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 15:44:14,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:14,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328095011] [2024-11-07 15:44:14,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328095011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:14,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:14,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:14,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715638714] [2024-11-07 15:44:14,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:14,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:14,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:14,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:14,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-07 15:44:14,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 244 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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 15:44:14,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:14,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-07 15:44:14,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:16,015 INFO L124 PetriNetUnfolderBase]: 2627/9738 cut-off events. [2024-11-07 15:44:16,016 INFO L125 PetriNetUnfolderBase]: For 342/342 co-relation queries the response was YES. [2024-11-07 15:44:16,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13605 conditions, 9738 events. 2627/9738 cut-off events. For 342/342 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 105001 event pairs, 1395 based on Foata normal form. 0/8491 useless extension candidates. Maximal degree in co-relation 9859. Up to 1760 conditions per place. [2024-11-07 15:44:16,132 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/255 dead transitions. [2024-11-07 15:44:16,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 255 transitions, 600 flow [2024-11-07 15:44:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-07 15:44:16,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-07 15:44:16,134 INFO L175 Difference]: Start difference. First operand has 250 places, 244 transitions, 503 flow. Second operand 3 states and 780 transitions. [2024-11-07 15:44:16,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 255 transitions, 600 flow [2024-11-07 15:44:16,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 255 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:16,142 INFO L231 Difference]: Finished difference. Result has 249 places, 243 transitions, 499 flow [2024-11-07 15:44:16,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=249, PETRI_TRANSITIONS=243} [2024-11-07 15:44:16,144 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-07 15:44:16,145 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 243 transitions, 499 flow [2024-11-07 15:44:16,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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 15:44:16,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:16,146 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] [2024-11-07 15:44:16,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:44:16,146 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:16,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:16,146 INFO L85 PathProgramCache]: Analyzing trace with hash -578652627, now seen corresponding path program 1 times [2024-11-07 15:44:16,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894686913] [2024-11-07 15:44:16,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:16,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:16,212 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 15:44:16,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:16,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894686913] [2024-11-07 15:44:16,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894686913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:16,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:16,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131663994] [2024-11-07 15:44:16,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:16,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:16,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:16,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:16,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:16,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-07 15:44:16,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 243 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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 15:44:16,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:16,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-07 15:44:16,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:17,357 INFO L124 PetriNetUnfolderBase]: 3578/11658 cut-off events. [2024-11-07 15:44:17,357 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-11-07 15:44:17,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16707 conditions, 11658 events. 3578/11658 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 124842 event pairs, 2396 based on Foata normal form. 0/9928 useless extension candidates. Maximal degree in co-relation 12634. Up to 3340 conditions per place. [2024-11-07 15:44:17,483 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-07 15:44:17,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 254 transitions, 600 flow [2024-11-07 15:44:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-07 15:44:17,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-07 15:44:17,486 INFO L175 Difference]: Start difference. First operand has 249 places, 243 transitions, 499 flow. Second operand 3 states and 776 transitions. [2024-11-07 15:44:17,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 254 transitions, 600 flow [2024-11-07 15:44:17,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 254 transitions, 599 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:44:17,490 INFO L231 Difference]: Finished difference. Result has 249 places, 242 transitions, 500 flow [2024-11-07 15:44:17,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=249, PETRI_TRANSITIONS=242} [2024-11-07 15:44:17,491 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -16 predicate places. [2024-11-07 15:44:17,491 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 242 transitions, 500 flow [2024-11-07 15:44:17,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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 15:44:17,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:17,492 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] [2024-11-07 15:44:17,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:44:17,493 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:17,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash -820075280, now seen corresponding path program 1 times [2024-11-07 15:44:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:17,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594300997] [2024-11-07 15:44:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:17,551 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 15:44:17,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:17,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594300997] [2024-11-07 15:44:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594300997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:17,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:17,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:17,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639110814] [2024-11-07 15:44:17,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:17,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:17,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:17,567 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-07 15:44:17,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 242 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 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 15:44:17,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:17,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-07 15:44:17,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:18,584 INFO L124 PetriNetUnfolderBase]: 2699/9424 cut-off events. [2024-11-07 15:44:18,584 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-07 15:44:18,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13421 conditions, 9424 events. 2699/9424 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 98595 event pairs, 1122 based on Foata normal form. 0/8139 useless extension candidates. Maximal degree in co-relation 9958. Up to 1745 conditions per place. [2024-11-07 15:44:18,694 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/253 dead transitions. [2024-11-07 15:44:18,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 253 transitions, 597 flow [2024-11-07 15:44:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-07 15:44:18,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-07 15:44:18,697 INFO L175 Difference]: Start difference. First operand has 249 places, 242 transitions, 500 flow. Second operand 3 states and 780 transitions. [2024-11-07 15:44:18,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 253 transitions, 597 flow [2024-11-07 15:44:18,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 253 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:18,708 INFO L231 Difference]: Finished difference. Result has 248 places, 241 transitions, 496 flow [2024-11-07 15:44:18,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=248, PETRI_TRANSITIONS=241} [2024-11-07 15:44:18,709 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-07 15:44:18,709 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 241 transitions, 496 flow [2024-11-07 15:44:18,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 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 15:44:18,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:18,710 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] [2024-11-07 15:44:18,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:44:18,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:18,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:18,711 INFO L85 PathProgramCache]: Analyzing trace with hash -264887605, now seen corresponding path program 1 times [2024-11-07 15:44:18,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:18,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695240017] [2024-11-07 15:44:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:18,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:18,768 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 15:44:18,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:18,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695240017] [2024-11-07 15:44:18,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695240017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:18,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:18,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:18,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364141631] [2024-11-07 15:44:18,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:18,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:18,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:18,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:18,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-07 15:44:18,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 241 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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 15:44:18,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:18,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-07 15:44:18,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:19,893 INFO L124 PetriNetUnfolderBase]: 3402/9302 cut-off events. [2024-11-07 15:44:19,893 INFO L125 PetriNetUnfolderBase]: For 315/315 co-relation queries the response was YES. [2024-11-07 15:44:19,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14263 conditions, 9302 events. 3402/9302 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 89924 event pairs, 2348 based on Foata normal form. 0/8037 useless extension candidates. Maximal degree in co-relation 10113. Up to 3274 conditions per place. [2024-11-07 15:44:19,999 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2024-11-07 15:44:20,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 252 transitions, 597 flow [2024-11-07 15:44:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-07 15:44:20,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-07 15:44:20,002 INFO L175 Difference]: Start difference. First operand has 248 places, 241 transitions, 496 flow. Second operand 3 states and 776 transitions. [2024-11-07 15:44:20,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 252 transitions, 597 flow [2024-11-07 15:44:20,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 252 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:44:20,008 INFO L231 Difference]: Finished difference. Result has 248 places, 240 transitions, 497 flow [2024-11-07 15:44:20,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=248, PETRI_TRANSITIONS=240} [2024-11-07 15:44:20,010 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -17 predicate places. [2024-11-07 15:44:20,010 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 240 transitions, 497 flow [2024-11-07 15:44:20,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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 15:44:20,010 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:20,011 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] [2024-11-07 15:44:20,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:44:20,011 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:20,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:20,011 INFO L85 PathProgramCache]: Analyzing trace with hash -790920882, now seen corresponding path program 1 times [2024-11-07 15:44:20,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:20,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377814041] [2024-11-07 15:44:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:20,077 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 15:44:20,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377814041] [2024-11-07 15:44:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377814041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:20,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:20,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:20,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772524154] [2024-11-07 15:44:20,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:20,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:20,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:20,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:20,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:20,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-07 15:44:20,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 240 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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 15:44:20,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:20,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-07 15:44:20,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:21,174 INFO L124 PetriNetUnfolderBase]: 2594/8243 cut-off events. [2024-11-07 15:44:21,174 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2024-11-07 15:44:21,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12262 conditions, 8243 events. 2594/8243 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 81032 event pairs, 1134 based on Foata normal form. 0/7322 useless extension candidates. Maximal degree in co-relation 8701. Up to 1658 conditions per place. [2024-11-07 15:44:21,270 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 34 selfloop transitions, 1 changer transitions 0/251 dead transitions. [2024-11-07 15:44:21,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 251 transitions, 594 flow [2024-11-07 15:44:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-07 15:44:21,272 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-07 15:44:21,272 INFO L175 Difference]: Start difference. First operand has 248 places, 240 transitions, 497 flow. Second operand 3 states and 780 transitions. [2024-11-07 15:44:21,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 251 transitions, 594 flow [2024-11-07 15:44:21,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 251 transitions, 590 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:21,281 INFO L231 Difference]: Finished difference. Result has 247 places, 239 transitions, 493 flow [2024-11-07 15:44:21,281 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=247, PETRI_TRANSITIONS=239} [2024-11-07 15:44:21,282 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-07 15:44:21,282 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 239 transitions, 493 flow [2024-11-07 15:44:21,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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 15:44:21,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:21,283 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] [2024-11-07 15:44:21,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:44:21,283 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:21,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash 369028398, now seen corresponding path program 1 times [2024-11-07 15:44:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:21,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278324461] [2024-11-07 15:44:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:21,329 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 15:44:21,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278324461] [2024-11-07 15:44:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278324461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:21,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:21,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143993148] [2024-11-07 15:44:21,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:21,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:21,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:21,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:21,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 281 [2024-11-07 15:44:21,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 239 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 15:44:21,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:21,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 281 [2024-11-07 15:44:21,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:22,282 INFO L124 PetriNetUnfolderBase]: 3096/10754 cut-off events. [2024-11-07 15:44:22,282 INFO L125 PetriNetUnfolderBase]: For 320/320 co-relation queries the response was YES. [2024-11-07 15:44:22,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15036 conditions, 10754 events. 3096/10754 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 112822 event pairs, 2108 based on Foata normal form. 0/9404 useless extension candidates. Maximal degree in co-relation 12647. Up to 2956 conditions per place. [2024-11-07 15:44:22,371 INFO L140 encePairwiseOnDemand]: 278/281 looper letters, 35 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2024-11-07 15:44:22,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 593 flow [2024-11-07 15:44:22,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2024-11-07 15:44:22,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205219454329775 [2024-11-07 15:44:22,373 INFO L175 Difference]: Start difference. First operand has 247 places, 239 transitions, 493 flow. Second operand 3 states and 776 transitions. [2024-11-07 15:44:22,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 250 transitions, 593 flow [2024-11-07 15:44:22,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 250 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:44:22,377 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 494 flow [2024-11-07 15:44:22,378 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2024-11-07 15:44:22,378 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-07 15:44:22,379 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 494 flow [2024-11-07 15:44:22,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 15:44:22,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:22,379 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] [2024-11-07 15:44:22,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:44:22,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2024-11-07 15:44:22,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash -156299023, now seen corresponding path program 1 times [2024-11-07 15:44:22,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:22,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237351168] [2024-11-07 15:44:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:22,420 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 15:44:22,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:22,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237351168] [2024-11-07 15:44:22,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237351168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:22,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:22,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:22,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396017682] [2024-11-07 15:44:22,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:22,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:22,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:22,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:22,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:22,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 281 [2024-11-07 15:44:22,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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 15:44:22,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:22,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 281 [2024-11-07 15:44:22,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:23,339 INFO L124 PetriNetUnfolderBase]: 2448/9505 cut-off events. [2024-11-07 15:44:23,340 INFO L125 PetriNetUnfolderBase]: For 361/361 co-relation queries the response was YES. [2024-11-07 15:44:23,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13019 conditions, 9505 events. 2448/9505 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 99944 event pairs, 1136 based on Foata normal form. 0/8455 useless extension candidates. Maximal degree in co-relation 10630. Up to 1621 conditions per place. [2024-11-07 15:44:23,407 INFO L140 encePairwiseOnDemand]: 279/281 looper letters, 0 selfloop transitions, 0 changer transitions 249/249 dead transitions. [2024-11-07 15:44:23,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 249 transitions, 590 flow [2024-11-07 15:44:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 780 transitions. [2024-11-07 15:44:23,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252669039145908 [2024-11-07 15:44:23,408 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 494 flow. Second operand 3 states and 780 transitions. [2024-11-07 15:44:23,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 249 transitions, 590 flow [2024-11-07 15:44:23,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 249 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:23,411 INFO L231 Difference]: Finished difference. Result has 246 places, 0 transitions, 0 flow [2024-11-07 15:44:23,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=246, PETRI_TRANSITIONS=0} [2024-11-07 15:44:23,412 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -19 predicate places. [2024-11-07 15:44:23,412 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 0 transitions, 0 flow [2024-11-07 15:44:23,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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 15:44:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2024-11-07 15:44:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2024-11-07 15:44:23,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2024-11-07 15:44:23,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:44:23,418 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:23,423 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:44:23,423 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:44:23,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:44:23 BasicIcfg [2024-11-07 15:44:23,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:44:23,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:44:23,429 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:44:23,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:44:23,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:44:01" (3/4) ... [2024-11-07 15:44:23,432 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:44:23,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:44:23,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:44:23,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-07 15:44:23,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-07 15:44:23,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-07 15:44:23,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-07 15:44:23,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:44:23,442 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 15:44:23,443 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:44:23,526 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:44:23,527 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:44:23,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:44:23,528 INFO L158 Benchmark]: Toolchain (without parser) took 22618.59ms. Allocated memory was 100.7MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 76.9MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-07 15:44:23,528 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:44:23,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.62ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 64.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:44:23,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 62.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:44:23,529 INFO L158 Benchmark]: Boogie Preprocessor took 32.54ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 61.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:44:23,529 INFO L158 Benchmark]: RCFGBuilder took 577.70ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 40.3MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:44:23,529 INFO L158 Benchmark]: TraceAbstraction took 21616.41ms. Allocated memory was 100.7MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 39.7MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-07 15:44:23,529 INFO L158 Benchmark]: Witness Printer took 97.58ms. Allocated memory is still 3.5GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:44:23,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.62ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 64.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 62.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.54ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 61.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 577.70ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 40.3MB in the end (delta: 21.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21616.41ms. Allocated memory was 100.7MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 39.7MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 97.58ms. Allocated memory is still 3.5GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 406 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 21.4s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 920 IncrementalHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 69 mSDtfsCounter, 920 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1300 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1285 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:44:23,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE