./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc'] 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/pthread-deagle/circular_buffer_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:46:02,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:46:02,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:46:02,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:46:02,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:46:02,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:46:02,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:46:02,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:46:02,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:46:02,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:46:02,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:46:02,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:46:02,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:46:02,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:46:02,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:46:02,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:46:02,535 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 -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc [2024-11-07 15:46:02,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:46:02,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:46:02,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:46:02,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:46:02,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:46:02,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2024-11-07 15:46:03,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:46:04,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:46:04,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2024-11-07 15:46:04,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5a339cce/32f0389b5aa340f8be977b459cecc528/FLAG657a0de0b [2024-11-07 15:46:04,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b5a339cce/32f0389b5aa340f8be977b459cecc528 [2024-11-07 15:46:04,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:46:04,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:46:04,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:46:04,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:46:04,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:46:04,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586d7026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04, skipping insertion in model container [2024-11-07 15:46:04,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:46:04,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:46:04,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:46:04,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:46:04,832 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:46:04,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04 WrapperNode [2024-11-07 15:46:04,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:46:04,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:46:04,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:46:04,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:46:04,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,881 INFO L138 Inliner]: procedures = 168, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 234 [2024-11-07 15:46:04,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:46:04,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:46:04,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:46:04,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:46:04,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:46:04,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:46:04,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:46:04,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:46:04,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (1/1) ... [2024-11-07 15:46:04,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:46:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:46:04,950 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 15:46:04,956 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 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-07 15:46:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-07 15:46:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:46:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:46:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:46:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:46:04,974 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 15:46:05,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:46:05,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:46:05,432 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:46:05,433 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:46:05,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:46:05,463 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 15:46:05,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:46:05 BoogieIcfgContainer [2024-11-07 15:46:05,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:46:05,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:46:05,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:46:05,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:46:05,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:46:04" (1/3) ... [2024-11-07 15:46:05,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2019e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:46:05, skipping insertion in model container [2024-11-07 15:46:05,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:46:04" (2/3) ... [2024-11-07 15:46:05,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2019e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:46:05, skipping insertion in model container [2024-11-07 15:46:05,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:46:05" (3/3) ... [2024-11-07 15:46:05,472 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2024-11-07 15:46:05,484 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:46:05,484 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-07 15:46:05,484 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:46:05,587 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 15:46:05,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 270 places, 277 transitions, 568 flow [2024-11-07 15:46:05,691 INFO L124 PetriNetUnfolderBase]: 14/275 cut-off events. [2024-11-07 15:46:05,696 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:46:05,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 275 events. 14/275 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 645 event pairs, 0 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 190. Up to 2 conditions per place. [2024-11-07 15:46:05,706 INFO L82 GeneralOperation]: Start removeDead. Operand has 270 places, 277 transitions, 568 flow [2024-11-07 15:46:05,711 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 270 transitions, 549 flow [2024-11-07 15:46:05,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:46:05,730 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;@75fab2b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:46:05,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-07 15:46:05,743 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:46:05,744 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-11-07 15:46:05,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:46:05,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:05,744 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] [2024-11-07 15:46:05,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1096338425, now seen corresponding path program 1 times [2024-11-07 15:46:05,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746278616] [2024-11-07 15:46:05,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:05,926 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 15:46:05,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:05,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746278616] [2024-11-07 15:46:05,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746278616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:05,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:05,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:05,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083582165] [2024-11-07 15:46:05,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:05,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:05,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:05,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:05,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:06,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 277 [2024-11-07 15:46:06,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 270 transitions, 549 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 15:46:06,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:06,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 277 [2024-11-07 15:46:06,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:06,171 INFO L124 PetriNetUnfolderBase]: 55/645 cut-off events. [2024-11-07 15:46:06,172 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-07 15:46:06,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 645 events. 55/645 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3332 event pairs, 27 based on Foata normal form. 34/565 useless extension candidates. Maximal degree in co-relation 630. Up to 79 conditions per place. [2024-11-07 15:46:06,184 INFO L140 encePairwiseOnDemand]: 268/277 looper letters, 16 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2024-11-07 15:46:06,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 259 transitions, 563 flow [2024-11-07 15:46:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2024-11-07 15:46:06,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9290012033694344 [2024-11-07 15:46:06,204 INFO L175 Difference]: Start difference. First operand has 263 places, 270 transitions, 549 flow. Second operand 3 states and 772 transitions. [2024-11-07 15:46:06,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 259 transitions, 563 flow [2024-11-07 15:46:06,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 259 transitions, 558 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:46:06,216 INFO L231 Difference]: Finished difference. Result has 257 places, 259 transitions, 526 flow [2024-11-07 15:46:06,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=257, PETRI_TRANSITIONS=259} [2024-11-07 15:46:06,222 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -6 predicate places. [2024-11-07 15:46:06,223 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 259 transitions, 526 flow [2024-11-07 15:46:06,223 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 15:46:06,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:06,224 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:06,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:46:06,224 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:06,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:06,225 INFO L85 PathProgramCache]: Analyzing trace with hash 979925240, now seen corresponding path program 1 times [2024-11-07 15:46:06,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:06,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657683513] [2024-11-07 15:46:06,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:06,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:06,305 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 15:46:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657683513] [2024-11-07 15:46:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657683513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:06,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:06,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158342021] [2024-11-07 15:46:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:06,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:06,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:06,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:06,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:06,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 277 [2024-11-07 15:46:06,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 259 transitions, 526 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 15:46:06,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:06,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 277 [2024-11-07 15:46:06,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:06,446 INFO L124 PetriNetUnfolderBase]: 59/648 cut-off events. [2024-11-07 15:46:06,447 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 15:46:06,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 648 events. 59/648 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3423 event pairs, 31 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 707. Up to 89 conditions per place. [2024-11-07 15:46:06,453 INFO L140 encePairwiseOnDemand]: 274/277 looper letters, 18 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-07 15:46:06,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 258 transitions, 564 flow [2024-11-07 15:46:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2024-11-07 15:46:06,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9169675090252708 [2024-11-07 15:46:06,460 INFO L175 Difference]: Start difference. First operand has 257 places, 259 transitions, 526 flow. Second operand 3 states and 762 transitions. [2024-11-07 15:46:06,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 258 transitions, 564 flow [2024-11-07 15:46:06,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 258 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:06,465 INFO L231 Difference]: Finished difference. Result has 256 places, 258 transitions, 524 flow [2024-11-07 15:46:06,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=256, PETRI_TRANSITIONS=258} [2024-11-07 15:46:06,466 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -7 predicate places. [2024-11-07 15:46:06,466 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 258 transitions, 524 flow [2024-11-07 15:46:06,467 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 15:46:06,467 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:06,467 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:06,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:46:06,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:06,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:06,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1110333792, now seen corresponding path program 1 times [2024-11-07 15:46:06,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:06,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600779979] [2024-11-07 15:46:06,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:06,525 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 15:46:06,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:06,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600779979] [2024-11-07 15:46:06,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600779979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:06,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:06,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071788415] [2024-11-07 15:46:06,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:06,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:06,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:06,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:06,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 277 [2024-11-07 15:46:06,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 258 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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 15:46:06,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:06,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 277 [2024-11-07 15:46:06,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:06,726 INFO L124 PetriNetUnfolderBase]: 125/1218 cut-off events. [2024-11-07 15:46:06,726 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-07 15:46:06,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1218 events. 125/1218 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7634 event pairs, 54 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 1372. Up to 170 conditions per place. [2024-11-07 15:46:06,737 INFO L140 encePairwiseOnDemand]: 266/277 looper letters, 23 selfloop transitions, 5 changer transitions 0/259 dead transitions. [2024-11-07 15:46:06,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 259 transitions, 584 flow [2024-11-07 15:46:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-07 15:46:06,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910950661853189 [2024-11-07 15:46:06,739 INFO L175 Difference]: Start difference. First operand has 256 places, 258 transitions, 524 flow. Second operand 3 states and 757 transitions. [2024-11-07 15:46:06,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 259 transitions, 584 flow [2024-11-07 15:46:06,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 259 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:06,745 INFO L231 Difference]: Finished difference. Result has 253 places, 256 transitions, 544 flow [2024-11-07 15:46:06,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=253, PETRI_TRANSITIONS=256} [2024-11-07 15:46:06,747 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -10 predicate places. [2024-11-07 15:46:06,747 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 256 transitions, 544 flow [2024-11-07 15:46:06,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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 15:46:06,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:06,748 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:06,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:46:06,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:06,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1741134985, now seen corresponding path program 1 times [2024-11-07 15:46:06,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:06,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794336600] [2024-11-07 15:46:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:06,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:06,800 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 15:46:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794336600] [2024-11-07 15:46:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794336600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:06,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:06,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:06,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587743494] [2024-11-07 15:46:06,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:06,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:06,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 277 [2024-11-07 15:46:06,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 256 transitions, 544 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 15:46:06,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:06,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 277 [2024-11-07 15:46:06,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:06,943 INFO L124 PetriNetUnfolderBase]: 79/1078 cut-off events. [2024-11-07 15:46:06,943 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-07 15:46:06,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 1078 events. 79/1078 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6039 event pairs, 24 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1038. Up to 82 conditions per place. [2024-11-07 15:46:06,950 INFO L140 encePairwiseOnDemand]: 274/277 looper letters, 15 selfloop transitions, 2 changer transitions 0/255 dead transitions. [2024-11-07 15:46:06,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 255 transitions, 576 flow [2024-11-07 15:46:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 768 transitions. [2024-11-07 15:46:06,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.924187725631769 [2024-11-07 15:46:06,952 INFO L175 Difference]: Start difference. First operand has 253 places, 256 transitions, 544 flow. Second operand 3 states and 768 transitions. [2024-11-07 15:46:06,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 255 transitions, 576 flow [2024-11-07 15:46:06,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 255 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:06,957 INFO L231 Difference]: Finished difference. Result has 252 places, 255 transitions, 536 flow [2024-11-07 15:46:06,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=252, PETRI_TRANSITIONS=255} [2024-11-07 15:46:06,958 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -11 predicate places. [2024-11-07 15:46:06,958 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 255 transitions, 536 flow [2024-11-07 15:46:06,958 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 15:46:06,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:06,958 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:06,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:46:06,959 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:06,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:06,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1643693868, now seen corresponding path program 1 times [2024-11-07 15:46:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:06,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602948993] [2024-11-07 15:46:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:07,015 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 15:46:07,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:07,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602948993] [2024-11-07 15:46:07,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602948993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:07,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:07,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987228801] [2024-11-07 15:46:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:07,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:07,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:07,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:07,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 277 [2024-11-07 15:46:07,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 255 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 15:46:07,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:07,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 277 [2024-11-07 15:46:07,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:07,109 INFO L124 PetriNetUnfolderBase]: 63/839 cut-off events. [2024-11-07 15:46:07,110 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-07 15:46:07,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 839 events. 63/839 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4004 event pairs, 22 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 887. Up to 69 conditions per place. [2024-11-07 15:46:07,115 INFO L140 encePairwiseOnDemand]: 274/277 looper letters, 13 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-07 15:46:07,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 254 transitions, 564 flow [2024-11-07 15:46:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2024-11-07 15:46:07,117 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253910950661853 [2024-11-07 15:46:07,117 INFO L175 Difference]: Start difference. First operand has 252 places, 255 transitions, 536 flow. Second operand 3 states and 769 transitions. [2024-11-07 15:46:07,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 254 transitions, 564 flow [2024-11-07 15:46:07,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 254 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:07,120 INFO L231 Difference]: Finished difference. Result has 251 places, 254 transitions, 534 flow [2024-11-07 15:46:07,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=251, PETRI_TRANSITIONS=254} [2024-11-07 15:46:07,121 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -12 predicate places. [2024-11-07 15:46:07,121 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 254 transitions, 534 flow [2024-11-07 15:46:07,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 15:46:07,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:07,122 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] [2024-11-07 15:46:07,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:46:07,122 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:07,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash 331128094, now seen corresponding path program 1 times [2024-11-07 15:46:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006833431] [2024-11-07 15:46:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:07,178 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 15:46:07,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:07,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006833431] [2024-11-07 15:46:07,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006833431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:07,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:07,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:07,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83418489] [2024-11-07 15:46:07,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:07,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:07,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:07,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:07,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:07,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 277 [2024-11-07 15:46:07,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 254 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 15:46:07,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:07,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 277 [2024-11-07 15:46:07,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:07,286 INFO L124 PetriNetUnfolderBase]: 68/918 cut-off events. [2024-11-07 15:46:07,286 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-07 15:46:07,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 918 events. 68/918 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4605 event pairs, 22 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 961. Up to 71 conditions per place. [2024-11-07 15:46:07,290 INFO L140 encePairwiseOnDemand]: 274/277 looper letters, 13 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2024-11-07 15:46:07,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 253 transitions, 562 flow [2024-11-07 15:46:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2024-11-07 15:46:07,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253910950661853 [2024-11-07 15:46:07,293 INFO L175 Difference]: Start difference. First operand has 251 places, 254 transitions, 534 flow. Second operand 3 states and 769 transitions. [2024-11-07 15:46:07,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 253 transitions, 562 flow [2024-11-07 15:46:07,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 253 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:07,296 INFO L231 Difference]: Finished difference. Result has 250 places, 253 transitions, 532 flow [2024-11-07 15:46:07,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=250, PETRI_TRANSITIONS=253} [2024-11-07 15:46:07,297 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2024-11-07 15:46:07,298 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 253 transitions, 532 flow [2024-11-07 15:46:07,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 15:46:07,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:07,298 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] [2024-11-07 15:46:07,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:46:07,299 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:07,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -59739466, now seen corresponding path program 1 times [2024-11-07 15:46:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802340688] [2024-11-07 15:46:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:07,353 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 15:46:07,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:07,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802340688] [2024-11-07 15:46:07,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802340688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:07,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:07,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:07,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087708628] [2024-11-07 15:46:07,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:07,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:07,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:07,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:07,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 277 [2024-11-07 15:46:07,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 253 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 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 15:46:07,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:07,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 277 [2024-11-07 15:46:07,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:07,481 INFO L124 PetriNetUnfolderBase]: 110/1251 cut-off events. [2024-11-07 15:46:07,481 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-07 15:46:07,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1457 conditions, 1251 events. 110/1251 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7194 event pairs, 20 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 1378. Up to 87 conditions per place. [2024-11-07 15:46:07,487 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 19 selfloop transitions, 4 changer transitions 0/263 dead transitions. [2024-11-07 15:46:07,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 263 transitions, 601 flow [2024-11-07 15:46:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2024-11-07 15:46:07,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9494584837545126 [2024-11-07 15:46:07,489 INFO L175 Difference]: Start difference. First operand has 250 places, 253 transitions, 532 flow. Second operand 3 states and 789 transitions. [2024-11-07 15:46:07,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 263 transitions, 601 flow [2024-11-07 15:46:07,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 263 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:07,493 INFO L231 Difference]: Finished difference. Result has 252 places, 257 transitions, 562 flow [2024-11-07 15:46:07,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=252, PETRI_TRANSITIONS=257} [2024-11-07 15:46:07,495 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -11 predicate places. [2024-11-07 15:46:07,495 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 257 transitions, 562 flow [2024-11-07 15:46:07,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 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 15:46:07,495 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:07,496 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] [2024-11-07 15:46:07,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:46:07,496 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:07,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:07,496 INFO L85 PathProgramCache]: Analyzing trace with hash 486102649, now seen corresponding path program 1 times [2024-11-07 15:46:07,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450421198] [2024-11-07 15:46:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:07,559 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 15:46:07,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:07,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450421198] [2024-11-07 15:46:07,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450421198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:07,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:07,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:07,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050629064] [2024-11-07 15:46:07,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:07,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:07,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:07,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:07,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:07,574 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 277 [2024-11-07 15:46:07,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 257 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 15:46:07,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:07,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 277 [2024-11-07 15:46:07,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:07,730 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][247], [271#true, 298#true, 76#L762-4true, Black: 295#(= |#race~send~0| 0), Black: 279#true, 215#L726-3true, 293#true, 258#L750-2true]) [2024-11-07 15:46:07,731 INFO L294 olderBase$Statistics]: this new event has 159 ancestors and is cut-off event [2024-11-07 15:46:07,731 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2024-11-07 15:46:07,731 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2024-11-07 15:46:07,731 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-07 15:46:07,735 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][247], [136#L763-1true, 271#true, 298#true, Black: 295#(= |#race~send~0| 0), Black: 279#true, 293#true, 258#L750-2true]) [2024-11-07 15:46:07,736 INFO L294 olderBase$Statistics]: this new event has 163 ancestors and is cut-off event [2024-11-07 15:46:07,736 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2024-11-07 15:46:07,736 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2024-11-07 15:46:07,736 INFO L297 olderBase$Statistics]: existing Event has 139 ancestors and is cut-off event [2024-11-07 15:46:07,763 INFO L124 PetriNetUnfolderBase]: 217/2261 cut-off events. [2024-11-07 15:46:07,764 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2024-11-07 15:46:07,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 2261 events. 217/2261 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 16421 event pairs, 41 based on Foata normal form. 0/1899 useless extension candidates. Maximal degree in co-relation 2483. Up to 161 conditions per place. [2024-11-07 15:46:07,778 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 18 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2024-11-07 15:46:07,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 266 transitions, 625 flow [2024-11-07 15:46:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2024-11-07 15:46:07,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482551143200962 [2024-11-07 15:46:07,780 INFO L175 Difference]: Start difference. First operand has 252 places, 257 transitions, 562 flow. Second operand 3 states and 788 transitions. [2024-11-07 15:46:07,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 266 transitions, 625 flow [2024-11-07 15:46:07,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 266 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:07,785 INFO L231 Difference]: Finished difference. Result has 254 places, 261 transitions, 588 flow [2024-11-07 15:46:07,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=254, PETRI_TRANSITIONS=261} [2024-11-07 15:46:07,786 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -9 predicate places. [2024-11-07 15:46:07,786 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 261 transitions, 588 flow [2024-11-07 15:46:07,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 15:46:07,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:07,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:07,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:46:07,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:07,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1559625484, now seen corresponding path program 1 times [2024-11-07 15:46:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:07,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947784672] [2024-11-07 15:46:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:07,835 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 15:46:07,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:07,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947784672] [2024-11-07 15:46:07,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947784672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:07,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:07,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:07,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138446754] [2024-11-07 15:46:07,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:07,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:07,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:07,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:07,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:07,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 277 [2024-11-07 15:46:07,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 261 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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 15:46:07,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:07,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 277 [2024-11-07 15:46:07,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:08,240 INFO L124 PetriNetUnfolderBase]: 464/4095 cut-off events. [2024-11-07 15:46:08,241 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2024-11-07 15:46:08,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5082 conditions, 4095 events. 464/4095 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 38327 event pairs, 115 based on Foata normal form. 0/3529 useless extension candidates. Maximal degree in co-relation 4787. Up to 523 conditions per place. [2024-11-07 15:46:08,259 INFO L140 encePairwiseOnDemand]: 270/277 looper letters, 24 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2024-11-07 15:46:08,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 264 transitions, 649 flow [2024-11-07 15:46:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2024-11-07 15:46:08,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9217809867629362 [2024-11-07 15:46:08,261 INFO L175 Difference]: Start difference. First operand has 254 places, 261 transitions, 588 flow. Second operand 3 states and 766 transitions. [2024-11-07 15:46:08,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 264 transitions, 649 flow [2024-11-07 15:46:08,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 264 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:08,268 INFO L231 Difference]: Finished difference. Result has 250 places, 258 transitions, 584 flow [2024-11-07 15:46:08,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=250, PETRI_TRANSITIONS=258} [2024-11-07 15:46:08,269 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2024-11-07 15:46:08,270 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 258 transitions, 584 flow [2024-11-07 15:46:08,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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 15:46:08,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:08,271 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 15:46:08,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:46:08,271 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:08,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1447508622, now seen corresponding path program 1 times [2024-11-07 15:46:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:08,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328739551] [2024-11-07 15:46:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:08,325 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 15:46:08,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:08,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328739551] [2024-11-07 15:46:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328739551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:08,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:08,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:08,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227929006] [2024-11-07 15:46:08,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:08,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:08,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:08,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:08,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:08,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 277 [2024-11-07 15:46:08,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 258 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 15:46:08,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:08,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 277 [2024-11-07 15:46:08,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:08,837 INFO L124 PetriNetUnfolderBase]: 668/5213 cut-off events. [2024-11-07 15:46:08,837 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2024-11-07 15:46:08,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6686 conditions, 5213 events. 668/5213 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 49686 event pairs, 119 based on Foata normal form. 0/4602 useless extension candidates. Maximal degree in co-relation 6429. Up to 598 conditions per place. [2024-11-07 15:46:08,872 INFO L140 encePairwiseOnDemand]: 270/277 looper letters, 18 selfloop transitions, 4 changer transitions 0/262 dead transitions. [2024-11-07 15:46:08,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 262 transitions, 637 flow [2024-11-07 15:46:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-11-07 15:46:08,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9326113116726835 [2024-11-07 15:46:08,875 INFO L175 Difference]: Start difference. First operand has 250 places, 258 transitions, 584 flow. Second operand 3 states and 775 transitions. [2024-11-07 15:46:08,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 262 transitions, 637 flow [2024-11-07 15:46:08,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 262 transitions, 637 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:46:08,879 INFO L231 Difference]: Finished difference. Result has 250 places, 257 transitions, 598 flow [2024-11-07 15:46:08,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=250, PETRI_TRANSITIONS=257} [2024-11-07 15:46:08,880 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -13 predicate places. [2024-11-07 15:46:08,880 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 257 transitions, 598 flow [2024-11-07 15:46:08,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 15:46:08,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:08,881 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] [2024-11-07 15:46:08,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:46:08,881 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:08,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1411252574, now seen corresponding path program 1 times [2024-11-07 15:46:08,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:08,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226172362] [2024-11-07 15:46:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:08,977 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 15:46:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226172362] [2024-11-07 15:46:08,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226172362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:08,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:08,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:08,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875993796] [2024-11-07 15:46:08,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:08,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:08,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:08,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:08,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:08,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 277 [2024-11-07 15:46:08,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 257 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 15:46:08,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:08,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 277 [2024-11-07 15:46:08,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:09,412 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [271#true, Black: 303#true, Black: 307#true, 309#(= |#race~first~0| 0), 76#L762-4true, Black: 295#(= |#race~send~0| 0), Black: 279#true, 215#L726-3true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 311#true, 258#L750-2true]) [2024-11-07 15:46:09,413 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:09,413 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:09,413 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:09,413 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:09,427 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [136#L763-1true, 271#true, Black: 303#true, Black: 307#true, 309#(= |#race~first~0| 0), Black: 295#(= |#race~send~0| 0), Black: 279#true, 311#true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 258#L750-2true]) [2024-11-07 15:46:09,427 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:09,427 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:09,427 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:09,427 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:09,476 INFO L124 PetriNetUnfolderBase]: 685/4850 cut-off events. [2024-11-07 15:46:09,476 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-07 15:46:09,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6512 conditions, 4850 events. 685/4850 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 45029 event pairs, 291 based on Foata normal form. 0/4248 useless extension candidates. Maximal degree in co-relation 6198. Up to 816 conditions per place. [2024-11-07 15:46:09,505 INFO L140 encePairwiseOnDemand]: 273/277 looper letters, 18 selfloop transitions, 3 changer transitions 0/261 dead transitions. [2024-11-07 15:46:09,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 261 transitions, 650 flow [2024-11-07 15:46:09,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-11-07 15:46:09,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9326113116726835 [2024-11-07 15:46:09,511 INFO L175 Difference]: Start difference. First operand has 250 places, 257 transitions, 598 flow. Second operand 3 states and 775 transitions. [2024-11-07 15:46:09,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 261 transitions, 650 flow [2024-11-07 15:46:09,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 261 transitions, 646 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:46:09,515 INFO L231 Difference]: Finished difference. Result has 253 places, 258 transitions, 612 flow [2024-11-07 15:46:09,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=253, PETRI_TRANSITIONS=258} [2024-11-07 15:46:09,515 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -10 predicate places. [2024-11-07 15:46:09,516 INFO L471 AbstractCegarLoop]: Abstraction has has 253 places, 258 transitions, 612 flow [2024-11-07 15:46:09,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 15:46:09,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:09,516 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] [2024-11-07 15:46:09,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:46:09,516 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:09,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1222518191, now seen corresponding path program 1 times [2024-11-07 15:46:09,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:09,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073995713] [2024-11-07 15:46:09,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:09,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:09,716 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 15:46:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:09,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073995713] [2024-11-07 15:46:09,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073995713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:09,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:09,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149136968] [2024-11-07 15:46:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:09,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:09,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:09,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:09,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:09,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 277 [2024-11-07 15:46:09,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 258 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 15:46:09,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:09,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 277 [2024-11-07 15:46:09,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:10,121 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [316#true, Black: 295#(= |#race~send~0| 0), 215#L726-3true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 311#true, Black: 303#true, 271#true, Black: 307#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:10,121 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:10,121 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:10,121 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:10,121 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:10,140 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [136#L763-1true, Black: 303#true, 271#true, 316#true, Black: 307#true, Black: 295#(= |#race~send~0| 0), Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), 311#true, 258#L750-2true]) [2024-11-07 15:46:10,141 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:10,141 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:10,141 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:10,141 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:10,206 INFO L124 PetriNetUnfolderBase]: 750/5301 cut-off events. [2024-11-07 15:46:10,207 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2024-11-07 15:46:10,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7199 conditions, 5301 events. 750/5301 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 51255 event pairs, 284 based on Foata normal form. 0/4692 useless extension candidates. Maximal degree in co-relation 6889. Up to 853 conditions per place. [2024-11-07 15:46:10,238 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 21 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2024-11-07 15:46:10,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 264 transitions, 676 flow [2024-11-07 15:46:10,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2024-11-07 15:46:10,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302045728038508 [2024-11-07 15:46:10,240 INFO L175 Difference]: Start difference. First operand has 253 places, 258 transitions, 612 flow. Second operand 3 states and 773 transitions. [2024-11-07 15:46:10,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 264 transitions, 676 flow [2024-11-07 15:46:10,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 264 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:10,247 INFO L231 Difference]: Finished difference. Result has 255 places, 261 transitions, 636 flow [2024-11-07 15:46:10,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=255, PETRI_TRANSITIONS=261} [2024-11-07 15:46:10,248 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -8 predicate places. [2024-11-07 15:46:10,249 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 261 transitions, 636 flow [2024-11-07 15:46:10,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 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 15:46:10,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:10,250 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] [2024-11-07 15:46:10,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:46:10,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:10,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:10,250 INFO L85 PathProgramCache]: Analyzing trace with hash -525669491, now seen corresponding path program 1 times [2024-11-07 15:46:10,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:10,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903863560] [2024-11-07 15:46:10,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:10,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:10,291 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 15:46:10,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:10,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903863560] [2024-11-07 15:46:10,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903863560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:10,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:10,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:10,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206788613] [2024-11-07 15:46:10,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:10,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:10,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:10,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:10,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:10,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 277 [2024-11-07 15:46:10,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 261 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 15:46:10,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:10,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 277 [2024-11-07 15:46:10,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:10,828 INFO L124 PetriNetUnfolderBase]: 759/5667 cut-off events. [2024-11-07 15:46:10,828 INFO L125 PetriNetUnfolderBase]: For 182/182 co-relation queries the response was YES. [2024-11-07 15:46:10,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7851 conditions, 5667 events. 759/5667 cut-off events. For 182/182 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 54598 event pairs, 306 based on Foata normal form. 0/5018 useless extension candidates. Maximal degree in co-relation 7581. Up to 945 conditions per place. [2024-11-07 15:46:10,866 INFO L140 encePairwiseOnDemand]: 273/277 looper letters, 18 selfloop transitions, 3 changer transitions 0/264 dead transitions. [2024-11-07 15:46:10,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 264 transitions, 683 flow [2024-11-07 15:46:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 775 transitions. [2024-11-07 15:46:10,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9326113116726835 [2024-11-07 15:46:10,868 INFO L175 Difference]: Start difference. First operand has 255 places, 261 transitions, 636 flow. Second operand 3 states and 775 transitions. [2024-11-07 15:46:10,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 264 transitions, 683 flow [2024-11-07 15:46:10,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 264 transitions, 673 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:10,873 INFO L231 Difference]: Finished difference. Result has 257 places, 261 transitions, 640 flow [2024-11-07 15:46:10,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=257, PETRI_TRANSITIONS=261} [2024-11-07 15:46:10,874 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -6 predicate places. [2024-11-07 15:46:10,874 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 261 transitions, 640 flow [2024-11-07 15:46:10,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 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 15:46:10,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:10,875 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 15:46:10,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:46:10,875 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:10,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:10,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1667446457, now seen corresponding path program 1 times [2024-11-07 15:46:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693176351] [2024-11-07 15:46:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:10,917 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 15:46:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:10,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693176351] [2024-11-07 15:46:10,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693176351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:10,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:10,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:10,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858853924] [2024-11-07 15:46:10,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:10,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:10,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:10,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:10,936 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 277 [2024-11-07 15:46:10,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 261 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 15:46:10,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:10,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 277 [2024-11-07 15:46:10,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:11,429 INFO L124 PetriNetUnfolderBase]: 521/4516 cut-off events. [2024-11-07 15:46:11,429 INFO L125 PetriNetUnfolderBase]: For 231/295 co-relation queries the response was YES. [2024-11-07 15:46:11,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6263 conditions, 4516 events. 521/4516 cut-off events. For 231/295 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 41178 event pairs, 169 based on Foata normal form. 1/4058 useless extension candidates. Maximal degree in co-relation 5962. Up to 614 conditions per place. [2024-11-07 15:46:11,451 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 19 selfloop transitions, 5 changer transitions 0/267 dead transitions. [2024-11-07 15:46:11,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 267 transitions, 704 flow [2024-11-07 15:46:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2024-11-07 15:46:11,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9398315282791817 [2024-11-07 15:46:11,453 INFO L175 Difference]: Start difference. First operand has 257 places, 261 transitions, 640 flow. Second operand 3 states and 781 transitions. [2024-11-07 15:46:11,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 267 transitions, 704 flow [2024-11-07 15:46:11,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 267 transitions, 698 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:11,457 INFO L231 Difference]: Finished difference. Result has 259 places, 264 transitions, 670 flow [2024-11-07 15:46:11,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=259, PETRI_TRANSITIONS=264} [2024-11-07 15:46:11,458 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -4 predicate places. [2024-11-07 15:46:11,458 INFO L471 AbstractCegarLoop]: Abstraction has has 259 places, 264 transitions, 670 flow [2024-11-07 15:46:11,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 15:46:11,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:11,459 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] [2024-11-07 15:46:11,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:46:11,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:11,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1780176859, now seen corresponding path program 1 times [2024-11-07 15:46:11,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:11,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584755067] [2024-11-07 15:46:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:11,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:11,493 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 15:46:11,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:11,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584755067] [2024-11-07 15:46:11,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584755067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:11,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:11,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:11,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355411361] [2024-11-07 15:46:11,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:11,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:11,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:11,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:11,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 277 [2024-11-07 15:46:11,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 264 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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 15:46:11,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:11,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 277 [2024-11-07 15:46:11,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:11,974 INFO L124 PetriNetUnfolderBase]: 666/5678 cut-off events. [2024-11-07 15:46:11,974 INFO L125 PetriNetUnfolderBase]: For 377/382 co-relation queries the response was YES. [2024-11-07 15:46:12,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8004 conditions, 5678 events. 666/5678 cut-off events. For 377/382 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 55416 event pairs, 200 based on Foata normal form. 1/5116 useless extension candidates. Maximal degree in co-relation 7724. Up to 765 conditions per place. [2024-11-07 15:46:12,013 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 19 selfloop transitions, 5 changer transitions 0/270 dead transitions. [2024-11-07 15:46:12,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 270 transitions, 733 flow [2024-11-07 15:46:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 781 transitions. [2024-11-07 15:46:12,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9398315282791817 [2024-11-07 15:46:12,015 INFO L175 Difference]: Start difference. First operand has 259 places, 264 transitions, 670 flow. Second operand 3 states and 781 transitions. [2024-11-07 15:46:12,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 270 transitions, 733 flow [2024-11-07 15:46:12,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 270 transitions, 721 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:12,021 INFO L231 Difference]: Finished difference. Result has 261 places, 267 transitions, 694 flow [2024-11-07 15:46:12,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=261, PETRI_TRANSITIONS=267} [2024-11-07 15:46:12,022 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -2 predicate places. [2024-11-07 15:46:12,022 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 267 transitions, 694 flow [2024-11-07 15:46:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 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 15:46:12,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:12,022 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 15:46:12,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:46:12,023 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:12,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:12,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1436557164, now seen corresponding path program 1 times [2024-11-07 15:46:12,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350033487] [2024-11-07 15:46:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:12,054 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 15:46:12,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:12,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350033487] [2024-11-07 15:46:12,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350033487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:12,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:12,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:12,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221295047] [2024-11-07 15:46:12,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:12,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:12,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:12,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 277 [2024-11-07 15:46:12,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 267 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 15:46:12,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:12,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 277 [2024-11-07 15:46:12,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:12,433 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 215#L726-3true, 331#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:12,433 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:12,433 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:12,433 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:12,433 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:12,457 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 331#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 136#L763-1true, Black: 303#true, 271#true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:12,457 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:12,457 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:12,457 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:12,457 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:12,539 INFO L124 PetriNetUnfolderBase]: 707/6116 cut-off events. [2024-11-07 15:46:12,539 INFO L125 PetriNetUnfolderBase]: For 433/437 co-relation queries the response was YES. [2024-11-07 15:46:12,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8704 conditions, 6116 events. 707/6116 cut-off events. For 433/437 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 61220 event pairs, 243 based on Foata normal form. 0/5564 useless extension candidates. Maximal degree in co-relation 8429. Up to 869 conditions per place. [2024-11-07 15:46:12,582 INFO L140 encePairwiseOnDemand]: 274/277 looper letters, 19 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2024-11-07 15:46:12,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 269 transitions, 741 flow [2024-11-07 15:46:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions. [2024-11-07 15:46:12,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.927797833935018 [2024-11-07 15:46:12,584 INFO L175 Difference]: Start difference. First operand has 261 places, 267 transitions, 694 flow. Second operand 3 states and 771 transitions. [2024-11-07 15:46:12,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 269 transitions, 741 flow [2024-11-07 15:46:12,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 269 transitions, 729 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:12,590 INFO L231 Difference]: Finished difference. Result has 260 places, 266 transitions, 684 flow [2024-11-07 15:46:12,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=260, PETRI_TRANSITIONS=266} [2024-11-07 15:46:12,591 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -3 predicate places. [2024-11-07 15:46:12,591 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 266 transitions, 684 flow [2024-11-07 15:46:12,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 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 15:46:12,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:12,592 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] [2024-11-07 15:46:12,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:46:12,592 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:12,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2055462730, now seen corresponding path program 1 times [2024-11-07 15:46:12,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:12,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125379740] [2024-11-07 15:46:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:12,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:46:12,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:12,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125379740] [2024-11-07 15:46:12,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125379740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:12,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:12,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245062527] [2024-11-07 15:46:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:12,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:12,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:12,639 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 277 [2024-11-07 15:46:12,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 266 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 15:46:12,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:12,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 277 [2024-11-07 15:46:12,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:13,008 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 339#true, 215#L726-3true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:13,009 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:13,009 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:13,009 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:13,009 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:13,030 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 336#true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 339#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 136#L763-1true, Black: 303#true, 271#true, Black: 307#true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:13,030 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:13,030 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:13,030 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:13,030 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:13,112 INFO L124 PetriNetUnfolderBase]: 721/6192 cut-off events. [2024-11-07 15:46:13,112 INFO L125 PetriNetUnfolderBase]: For 694/719 co-relation queries the response was YES. [2024-11-07 15:46:13,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8906 conditions, 6192 events. 721/6192 cut-off events. For 694/719 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 61616 event pairs, 185 based on Foata normal form. 5/5618 useless extension candidates. Maximal degree in co-relation 8612. Up to 804 conditions per place. [2024-11-07 15:46:13,148 INFO L140 encePairwiseOnDemand]: 271/277 looper letters, 19 selfloop transitions, 9 changer transitions 0/275 dead transitions. [2024-11-07 15:46:13,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 275 transitions, 772 flow [2024-11-07 15:46:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2024-11-07 15:46:13,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.941034897713598 [2024-11-07 15:46:13,150 INFO L175 Difference]: Start difference. First operand has 260 places, 266 transitions, 684 flow. Second operand 3 states and 782 transitions. [2024-11-07 15:46:13,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 275 transitions, 772 flow [2024-11-07 15:46:13,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 275 transitions, 768 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:13,156 INFO L231 Difference]: Finished difference. Result has 262 places, 272 transitions, 754 flow [2024-11-07 15:46:13,157 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=262, PETRI_TRANSITIONS=272} [2024-11-07 15:46:13,157 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -1 predicate places. [2024-11-07 15:46:13,157 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 272 transitions, 754 flow [2024-11-07 15:46:13,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 15:46:13,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:13,158 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] [2024-11-07 15:46:13,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:46:13,159 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:13,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:13,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1796013029, now seen corresponding path program 1 times [2024-11-07 15:46:13,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:13,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20961916] [2024-11-07 15:46:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:13,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:13,190 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 15:46:13,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:13,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20961916] [2024-11-07 15:46:13,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20961916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:13,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:13,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:13,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951011228] [2024-11-07 15:46:13,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:13,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:13,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:13,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:13,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 277 [2024-11-07 15:46:13,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 272 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 15:46:13,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:13,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 277 [2024-11-07 15:46:13,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:13,351 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([657] L707-2-->L707-3: Formula: (= |v_#race~buffer_size~0_4| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_4|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 339#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, 271#true, Black: 303#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true]) [2024-11-07 15:46:13,351 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,352 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:13,352 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:13,352 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([760] L695-6-->L695-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 339#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, 271#true, Black: 303#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true]) [2024-11-07 15:46:13,378 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([760] L695-6-->L695-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 339#true, 344#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, 271#true, Black: 303#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true]) [2024-11-07 15:46:13,378 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:13,378 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,386 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([657] L707-2-->L707-3: Formula: (= |v_#race~buffer_size~0_4| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_4|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 339#true, Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, 271#true, Black: 303#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true]) [2024-11-07 15:46:13,387 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2024-11-07 15:46:13,387 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:13,387 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:13,387 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,387 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:13,701 INFO L124 PetriNetUnfolderBase]: 835/6437 cut-off events. [2024-11-07 15:46:13,701 INFO L125 PetriNetUnfolderBase]: For 1027/1063 co-relation queries the response was YES. [2024-11-07 15:46:13,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9613 conditions, 6437 events. 835/6437 cut-off events. For 1027/1063 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 64361 event pairs, 194 based on Foata normal form. 6/5832 useless extension candidates. Maximal degree in co-relation 9316. Up to 870 conditions per place. [2024-11-07 15:46:13,732 INFO L140 encePairwiseOnDemand]: 271/277 looper letters, 19 selfloop transitions, 9 changer transitions 0/281 dead transitions. [2024-11-07 15:46:13,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 841 flow [2024-11-07 15:46:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2024-11-07 15:46:13,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.941034897713598 [2024-11-07 15:46:13,734 INFO L175 Difference]: Start difference. First operand has 262 places, 272 transitions, 754 flow. Second operand 3 states and 782 transitions. [2024-11-07 15:46:13,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 841 flow [2024-11-07 15:46:13,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 281 transitions, 823 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:13,742 INFO L231 Difference]: Finished difference. Result has 264 places, 278 transitions, 810 flow [2024-11-07 15:46:13,742 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=264, PETRI_TRANSITIONS=278} [2024-11-07 15:46:13,743 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 1 predicate places. [2024-11-07 15:46:13,743 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 278 transitions, 810 flow [2024-11-07 15:46:13,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 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 15:46:13,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:13,743 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] [2024-11-07 15:46:13,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:46:13,744 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:13,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 974831784, now seen corresponding path program 1 times [2024-11-07 15:46:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155410015] [2024-11-07 15:46:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:13,796 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 15:46:13,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:13,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155410015] [2024-11-07 15:46:13,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155410015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:13,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:13,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:13,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542025054] [2024-11-07 15:46:13,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:13,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:13,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:13,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:13,831 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 277 [2024-11-07 15:46:13,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 278 transitions, 810 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 15:46:13,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:13,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 277 [2024-11-07 15:46:13,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:14,232 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([640] L727-->L727-1: Formula: (= |v_#race~send~0_4| 0) InVars {} OutVars{#race~send~0=|v_#race~send~0_4|} AuxVars[] AssignedVars[#race~send~0][219], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 248#L748-4true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 263#L727-1true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 271#true, Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true]) [2024-11-07 15:46:14,233 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2024-11-07 15:46:14,233 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:14,233 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:14,233 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:14,341 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 215#L726-3true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 271#true, Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:14,341 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:14,341 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:14,341 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:14,341 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:14,377 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 136#L763-1true, 271#true, Black: 303#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true, 258#L750-2true]) [2024-11-07 15:46:14,377 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:14,377 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:14,377 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:14,377 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:14,593 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([703] L731-2-->L731-3: Formula: (= |v_#race~receive~0_4| |v_t1Thread1of1ForFork0_#t~nondet14#1_3|) InVars {t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} OutVars{#race~receive~0=|v_#race~receive~0_4|, t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} AuxVars[] AssignedVars[#race~receive~0][260], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 72#L731-3true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 295#(= |#race~send~0| 0), 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 344#true, 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, Black: 339#true, 76#L762-4true, 168#L747-3true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|)]) [2024-11-07 15:46:14,593 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2024-11-07 15:46:14,593 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2024-11-07 15:46:14,593 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-07 15:46:14,593 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2024-11-07 15:46:14,604 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([804] L748-2-->L748-3: Formula: (= |v_#race~send~0_10| |v_t2Thread1of1ForFork1_#t~nondet20#1_3|) InVars {t2Thread1of1ForFork1_#t~nondet20#1=|v_t2Thread1of1ForFork1_#t~nondet20#1_3|} OutVars{t2Thread1of1ForFork1_#t~nondet20#1=|v_t2Thread1of1ForFork1_#t~nondet20#1_3|, #race~send~0=|v_#race~send~0_10|} AuxVars[] AssignedVars[#race~send~0][251], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 88#L730-4true, Black: 295#(= |#race~send~0| 0), 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), 271#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 21#L748-3true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 344#true]) [2024-11-07 15:46:14,605 INFO L294 olderBase$Statistics]: this new event has 222 ancestors and is cut-off event [2024-11-07 15:46:14,605 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2024-11-07 15:46:14,605 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2024-11-07 15:46:14,605 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2024-11-07 15:46:14,618 INFO L124 PetriNetUnfolderBase]: 1225/8602 cut-off events. [2024-11-07 15:46:14,618 INFO L125 PetriNetUnfolderBase]: For 1486/1546 co-relation queries the response was YES. [2024-11-07 15:46:14,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 8602 events. 1225/8602 cut-off events. For 1486/1546 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 90297 event pairs, 360 based on Foata normal form. 6/7945 useless extension candidates. Maximal degree in co-relation 13122. Up to 1437 conditions per place. [2024-11-07 15:46:14,654 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 25 selfloop transitions, 5 changer transitions 0/285 dead transitions. [2024-11-07 15:46:14,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 285 transitions, 890 flow [2024-11-07 15:46:14,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 769 transitions. [2024-11-07 15:46:14,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253910950661853 [2024-11-07 15:46:14,659 INFO L175 Difference]: Start difference. First operand has 264 places, 278 transitions, 810 flow. Second operand 3 states and 769 transitions. [2024-11-07 15:46:14,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 285 transitions, 890 flow [2024-11-07 15:46:14,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 285 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:14,668 INFO L231 Difference]: Finished difference. Result has 266 places, 282 transitions, 834 flow [2024-11-07 15:46:14,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=266, PETRI_TRANSITIONS=282} [2024-11-07 15:46:14,668 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 3 predicate places. [2024-11-07 15:46:14,668 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 282 transitions, 834 flow [2024-11-07 15:46:14,669 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 15:46:14,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:14,669 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] [2024-11-07 15:46:14,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:46:14,669 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:14,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1916336386, now seen corresponding path program 1 times [2024-11-07 15:46:14,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797424952] [2024-11-07 15:46:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:14,775 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 15:46:14,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797424952] [2024-11-07 15:46:14,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797424952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:14,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:14,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:46:14,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319163064] [2024-11-07 15:46:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:14,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:14,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:14,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:14,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:14,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 277 [2024-11-07 15:46:14,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 282 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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 15:46:14,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:14,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 277 [2024-11-07 15:46:14,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:14,995 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([657] L707-2-->L707-3: Formula: (= |v_#race~buffer_size~0_4| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_4|} AuxVars[] AssignedVars[#race~buffer_size~0][165], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, 271#true, Black: 303#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 354#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true]) [2024-11-07 15:46:14,995 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2024-11-07 15:46:14,995 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:14,995 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:14,995 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:15,006 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([760] L695-6-->L695-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, Black: 303#true, 271#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 354#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true]) [2024-11-07 15:46:15,006 INFO L294 olderBase$Statistics]: this new event has 154 ancestors and is cut-off event [2024-11-07 15:46:15,006 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:15,006 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:15,006 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2024-11-07 15:46:15,035 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([760] L695-6-->L695-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][171], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 298#true, 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 253#L707-3true, Black: 303#true, 271#true, 195#L695-7true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, 354#true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|)]) [2024-11-07 15:46:15,036 INFO L294 olderBase$Statistics]: this new event has 155 ancestors and is cut-off event [2024-11-07 15:46:15,036 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-07 15:46:15,036 INFO L297 olderBase$Statistics]: existing Event has 150 ancestors and is cut-off event [2024-11-07 15:46:15,036 INFO L297 olderBase$Statistics]: existing Event has 155 ancestors and is cut-off event [2024-11-07 15:46:15,036 INFO L297 olderBase$Statistics]: existing Event has 154 ancestors and is cut-off event [2024-11-07 15:46:15,228 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([640] L727-->L727-1: Formula: (= |v_#race~send~0_4| 0) InVars {} OutVars{#race~send~0=|v_#race~send~0_4|} AuxVars[] AssignedVars[#race~send~0][219], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), 248#L748-4true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), Black: 293#true, 349#true, Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 263#L727-1true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 354#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true]) [2024-11-07 15:46:15,229 INFO L294 olderBase$Statistics]: this new event has 164 ancestors and is cut-off event [2024-11-07 15:46:15,229 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:15,229 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:15,229 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:15,373 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 215#L726-3true, Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 76#L762-4true, 354#true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), 258#L750-2true]) [2024-11-07 15:46:15,373 INFO L294 olderBase$Statistics]: this new event has 175 ancestors and is cut-off event [2024-11-07 15:46:15,373 INFO L297 olderBase$Statistics]: existing Event has 164 ancestors and is cut-off event [2024-11-07 15:46:15,374 INFO L297 olderBase$Statistics]: existing Event has 136 ancestors and is cut-off event [2024-11-07 15:46:15,374 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-07 15:46:15,424 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([741] L743-4-->L750-2: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret21#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork1_#t~ret21#1=|v_t2Thread1of1ForFork1_#t~ret21#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret21#1][122], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 136#L763-1true, Black: 303#true, 271#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 354#true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), 258#L750-2true]) [2024-11-07 15:46:15,425 INFO L294 olderBase$Statistics]: this new event has 179 ancestors and is cut-off event [2024-11-07 15:46:15,425 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-07 15:46:15,425 INFO L297 olderBase$Statistics]: existing Event has 168 ancestors and is cut-off event [2024-11-07 15:46:15,425 INFO L297 olderBase$Statistics]: existing Event has 140 ancestors and is cut-off event [2024-11-07 15:46:15,530 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([804] L748-2-->L748-3: Formula: (= |v_#race~send~0_10| |v_t2Thread1of1ForFork1_#t~nondet20#1_3|) InVars {t2Thread1of1ForFork1_#t~nondet20#1=|v_t2Thread1of1ForFork1_#t~nondet20#1_3|} OutVars{t2Thread1of1ForFork1_#t~nondet20#1=|v_t2Thread1of1ForFork1_#t~nondet20#1_3|, #race~send~0=|v_#race~send~0_10|} AuxVars[] AssignedVars[#race~send~0][228], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 88#L730-4true, 349#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, Black: 341#(= |t1Thread1of1ForFork0_#t~nondet14#1| |#race~receive~0|), 354#true, 76#L762-4true, 21#L748-3true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 279#true, Black: 344#true]) [2024-11-07 15:46:15,531 INFO L294 olderBase$Statistics]: this new event has 183 ancestors and is cut-off event [2024-11-07 15:46:15,531 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-07 15:46:15,531 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2024-11-07 15:46:15,531 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2024-11-07 15:46:15,564 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([703] L731-2-->L731-3: Formula: (= |v_#race~receive~0_4| |v_t1Thread1of1ForFork0_#t~nondet14#1_3|) InVars {t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} OutVars{#race~receive~0=|v_#race~receive~0_4|, t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} AuxVars[] AssignedVars[#race~receive~0][243], [Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), 72#L731-3true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), 305#(= |#race~buffer_size~0| 0), Black: 300#(= |#race~receive~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), Black: 303#true, 271#true, Black: 307#true, Black: 339#true, 354#true, 76#L762-4true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), 168#L747-3true, Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), Black: 279#true]) [2024-11-07 15:46:15,564 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is cut-off event [2024-11-07 15:46:15,564 INFO L297 olderBase$Statistics]: existing Event has 148 ancestors and is cut-off event [2024-11-07 15:46:15,564 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-07 15:46:15,564 INFO L297 olderBase$Statistics]: existing Event has 183 ancestors and is cut-off event [2024-11-07 15:46:15,668 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([703] L731-2-->L731-3: Formula: (= |v_#race~receive~0_4| |v_t1Thread1of1ForFork0_#t~nondet14#1_3|) InVars {t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} OutVars{#race~receive~0=|v_#race~receive~0_4|, t1Thread1of1ForFork0_#t~nondet14#1=|v_t1Thread1of1ForFork0_#t~nondet14#1_3|} AuxVars[] AssignedVars[#race~receive~0][243], [Black: 351#(= |#race~next~0| |t1Thread1of1ForFork0_insertLogElement_#t~nondet10#1|), Black: 318#(or (and (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0 (- 4294967296))) |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1|) (<= 2147483648 (mod ~next~0 4294967296))) (and (= |t1Thread1of1ForFork0_insertLogElement_#t~nondet9#1| (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (* (div ~next~0 4294967296) (- 4294967296)) ~next~0))) (<= (mod ~next~0 4294967296) 2147483647))), 72#L731-3true, Black: 323#(not |t2Thread1of1ForFork1_removeLogElement_#t~short4#1|), 349#true, Black: 295#(= |#race~send~0| 0), Black: 328#(= |t1Thread1of1ForFork0_#t~nondet13#1| |#race~send~0|), Black: 300#(= |#race~receive~0| 0), 305#(= |#race~buffer_size~0| 0), Black: 333#(= |t2Thread1of1ForFork1_#t~nondet19#1| |#race~receive~0|), 271#true, Black: 303#true, Black: 339#true, Black: 307#true, 76#L762-4true, 168#L747-3true, Black: 313#(not |t1Thread1of1ForFork0_insertLogElement_#t~short8#1|), Black: 346#(= |t2Thread1of1ForFork1_#t~nondet20#1| |#race~send~0|), 356#(or (and (<= 2147483648 (mod (+ ~first~0 4294967295) 4294967296)) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| (- 1) ~first~0 (* (div (+ ~first~0 4294967295) 4294967296) (- 4294967296)))) 0)) (and (<= (mod (+ ~first~0 4294967295) 4294967296) 2147483647) (= (select (select |#race| |~#buffer~0.base|) (+ |~#buffer~0.offset| ~first~0 4294967295 (* (div (+ ~first~0 4294967295) 4294967296) (- 4294967296)))) 0))), Black: 279#true]) [2024-11-07 15:46:15,668 INFO L294 olderBase$Statistics]: this new event has 202 ancestors and is cut-off event [2024-11-07 15:46:15,668 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is cut-off event [2024-11-07 15:46:15,668 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2024-11-07 15:46:15,669 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2024-11-07 15:46:15,704 INFO L124 PetriNetUnfolderBase]: 1164/10054 cut-off events. [2024-11-07 15:46:15,704 INFO L125 PetriNetUnfolderBase]: For 1892/2017 co-relation queries the response was YES. [2024-11-07 15:46:15,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15364 conditions, 10054 events. 1164/10054 cut-off events. For 1892/2017 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 112906 event pairs, 192 based on Foata normal form. 10/9264 useless extension candidates. Maximal degree in co-relation 15068. Up to 745 conditions per place. [2024-11-07 15:46:15,756 INFO L140 encePairwiseOnDemand]: 272/277 looper letters, 19 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2024-11-07 15:46:15,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 290 transitions, 901 flow [2024-11-07 15:46:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2024-11-07 15:46:15,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9422382671480144 [2024-11-07 15:46:15,757 INFO L175 Difference]: Start difference. First operand has 266 places, 282 transitions, 834 flow. Second operand 3 states and 783 transitions. [2024-11-07 15:46:15,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 290 transitions, 901 flow [2024-11-07 15:46:15,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 290 transitions, 891 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:46:15,766 INFO L231 Difference]: Finished difference. Result has 268 places, 285 transitions, 860 flow [2024-11-07 15:46:15,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=268, PETRI_TRANSITIONS=285} [2024-11-07 15:46:15,767 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, 5 predicate places. [2024-11-07 15:46:15,767 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 285 transitions, 860 flow [2024-11-07 15:46:15,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 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 15:46:15,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:46:15,767 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:15,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:46:15,767 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-07 15:46:15,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:46:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 678113696, now seen corresponding path program 1 times [2024-11-07 15:46:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:46:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085043501] [2024-11-07 15:46:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:46:15,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:46:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:46:15,836 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 15:46:15,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:46:15,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085043501] [2024-11-07 15:46:15,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085043501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:46:15,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:46:15,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:46:15,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879435067] [2024-11-07 15:46:15,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:46:15,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:46:15,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:46:15,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:46:15,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:46:15,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 277 [2024-11-07 15:46:15,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 285 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 15:46:15,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:46:15,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 277 [2024-11-07 15:46:15,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:46:15,968 INFO L124 PetriNetUnfolderBase]: 151/1883 cut-off events. [2024-11-07 15:46:15,968 INFO L125 PetriNetUnfolderBase]: For 295/295 co-relation queries the response was YES. [2024-11-07 15:46:15,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 1883 events. 151/1883 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 13723 event pairs, 17 based on Foata normal form. 40/1816 useless extension candidates. Maximal degree in co-relation 2100. Up to 98 conditions per place. [2024-11-07 15:46:15,975 INFO L140 encePairwiseOnDemand]: 273/277 looper letters, 0 selfloop transitions, 0 changer transitions 244/244 dead transitions. [2024-11-07 15:46:15,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 244 transitions, 669 flow [2024-11-07 15:46:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:46:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:46:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2024-11-07 15:46:15,976 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.950661853188929 [2024-11-07 15:46:15,976 INFO L175 Difference]: Start difference. First operand has 268 places, 285 transitions, 860 flow. Second operand 3 states and 790 transitions. [2024-11-07 15:46:15,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 244 transitions, 669 flow [2024-11-07 15:46:15,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 585 flow, removed 21 selfloop flow, removed 16 redundant places. [2024-11-07 15:46:15,980 INFO L231 Difference]: Finished difference. Result has 244 places, 0 transitions, 0 flow [2024-11-07 15:46:15,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=244, PETRI_TRANSITIONS=0} [2024-11-07 15:46:15,981 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -19 predicate places. [2024-11-07 15:46:15,981 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 0 transitions, 0 flow [2024-11-07 15:46:15,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-07 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-07 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-07 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-07 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-07 15:46:15,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-07 15:46:15,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-07 15:46:15,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-07 15:46:15,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-07 15:46:15,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:46:15,987 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:46:15,991 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:46:15,991 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:46:15,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:46:15 BasicIcfg [2024-11-07 15:46:15,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:46:15,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:46:15,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:46:15,997 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:46:15,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:46:05" (3/4) ... [2024-11-07 15:46:15,999 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:46:16,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-07 15:46:16,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-07 15:46:16,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-07 15:46:16,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:46:16,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:46:16,004 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:46:16,063 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:46:16,064 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:46:16,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:46:16,064 INFO L158 Benchmark]: Toolchain (without parser) took 11556.35ms. Allocated memory was 109.1MB in the beginning and 847.2MB in the end (delta: 738.2MB). Free memory was 83.8MB in the beginning and 402.8MB in the end (delta: -319.0MB). Peak memory consumption was 419.0MB. Max. memory is 16.1GB. [2024-11-07 15:46:16,065 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:46:16,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.68ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 62.8MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:46:16,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.95ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 60.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:46:16,066 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:46:16,067 INFO L158 Benchmark]: RCFGBuilder took 548.85ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 80.6MB in the end (delta: -21.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-07 15:46:16,067 INFO L158 Benchmark]: TraceAbstraction took 10530.96ms. Allocated memory was 109.1MB in the beginning and 847.2MB in the end (delta: 738.2MB). Free memory was 80.1MB in the beginning and 407.1MB in the end (delta: -327.0MB). Peak memory consumption was 414.1MB. Max. memory is 16.1GB. [2024-11-07 15:46:16,068 INFO L158 Benchmark]: Witness Printer took 66.76ms. Allocated memory is still 847.2MB. Free memory was 407.1MB in the beginning and 402.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:46:16,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 47.5MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.68ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 62.8MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.95ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 60.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 548.85ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 80.6MB in the end (delta: -21.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10530.96ms. Allocated memory was 109.1MB in the beginning and 847.2MB in the end (delta: 738.2MB). Free memory was 80.1MB in the beginning and 407.1MB in the end (delta: -327.0MB). Peak memory consumption was 414.1MB. Max. memory is 16.1GB. * Witness Printer took 66.76ms. Allocated memory is still 847.2MB. Free memory was 407.1MB in the beginning and 402.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: 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 5 procedures, 434 locations, 54 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: 10.4s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 705 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 885 IncrementalHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 172 mSDtfsCounter, 885 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=20, InterpolantAutomatonStates: 63, 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, 1.0s InterpolantComputationTime, 1915 NumberOfCodeBlocks, 1915 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1894 ConstructedInterpolants, 0 QuantifiedInterpolants, 2199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:46:16,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE