./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:43:44,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:43:44,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:43:44,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:43:44,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:43:44,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:43:44,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:43:44,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:43:44,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:43:44,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:43:44,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:43:44,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:43:44,550 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:43:44,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:43:44,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:43:44,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:43:44,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:43:44,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:43:44,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:43:44,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:43:44,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:43:44,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:43:44,552 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:43:44,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:43:44,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:43:44,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:43:44,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:44,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:43:44,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:43:44,555 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 -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2024-11-07 15:43:44,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:43:44,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:43:44,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:43:44,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:43:44,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:43:44,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-11-07 15:43:46,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:43:46,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:43:46,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-11-07 15:43:46,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44295045a/b9390aac38a94a6693d577f080f1c3f9/FLAG52ea476f7 [2024-11-07 15:43:46,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/44295045a/b9390aac38a94a6693d577f080f1c3f9 [2024-11-07 15:43:46,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:43:46,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:43:46,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:46,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:43:46,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:43:46,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:46,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ce56fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46, skipping insertion in model container [2024-11-07 15:43:46,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:46,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:43:46,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:46,959 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:43:46,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:46,997 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:43:46,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46 WrapperNode [2024-11-07 15:43:46,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:46,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:46,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:43:46,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:43:47,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,042 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 508 [2024-11-07 15:43:47,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:47,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:43:47,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:43:47,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:43:47,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:43:47,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:43:47,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:43:47,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:43:47,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (1/1) ... [2024-11-07 15:43:47,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:47,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:43:47,144 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 15:43:47,147 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 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:43:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:43:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:43:47,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:43:47,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:43:47,170 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 15:43:47,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:43:47,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:43:48,040 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:43:48,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:43:48,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:43:48,067 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 15:43:48,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48 BoogieIcfgContainer [2024-11-07 15:43:48,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:43:48,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:43:48,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:43:48,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:43:48,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:43:46" (1/3) ... [2024-11-07 15:43:48,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619d0880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:48, skipping insertion in model container [2024-11-07 15:43:48,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:46" (2/3) ... [2024-11-07 15:43:48,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619d0880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:48, skipping insertion in model container [2024-11-07 15:43:48,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48" (3/3) ... [2024-11-07 15:43:48,077 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-11-07 15:43:48,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:43:48,092 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 73 error locations. [2024-11-07 15:43:48,092 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:43:48,250 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 15:43:48,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 680 places, 706 transitions, 1426 flow [2024-11-07 15:43:48,581 INFO L124 PetriNetUnfolderBase]: 33/704 cut-off events. [2024-11-07 15:43:48,583 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:48,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 704 events. 33/704 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1858 event pairs, 0 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 457. Up to 2 conditions per place. [2024-11-07 15:43:48,602 INFO L82 GeneralOperation]: Start removeDead. Operand has 680 places, 706 transitions, 1426 flow [2024-11-07 15:43:48,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 687 transitions, 1386 flow [2024-11-07 15:43:48,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:43:48,638 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;@151ea29f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:43:48,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2024-11-07 15:43:48,646 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:43:48,646 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-07 15:43:48,646 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:43:48,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:48,647 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] [2024-11-07 15:43:48,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:48,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:48,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1199725653, now seen corresponding path program 1 times [2024-11-07 15:43:48,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:48,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690922983] [2024-11-07 15:43:48,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:48,826 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 15:43:48,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:48,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690922983] [2024-11-07 15:43:48,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690922983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:48,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:48,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:48,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971027850] [2024-11-07 15:43:48,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:48,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:48,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:48,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:48,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-11-07 15:43:48,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 687 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 15:43:48,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:48,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-11-07 15:43:48,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,420 INFO L124 PetriNetUnfolderBase]: 28/1966 cut-off events. [2024-11-07 15:43:49,421 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-07 15:43:49,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1966 events. 28/1966 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 10172 event pairs, 6 based on Foata normal form. 82/1739 useless extension candidates. Maximal degree in co-relation 1769. Up to 32 conditions per place. [2024-11-07 15:43:49,440 INFO L140 encePairwiseOnDemand]: 681/706 looper letters, 19 selfloop transitions, 2 changer transitions 3/664 dead transitions. [2024-11-07 15:43:49,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 664 transitions, 1382 flow [2024-11-07 15:43:49,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-07 15:43:49,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-07 15:43:49,466 INFO L175 Difference]: Start difference. First operand has 662 places, 687 transitions, 1386 flow. Second operand 3 states and 2021 transitions. [2024-11-07 15:43:49,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 664 transitions, 1382 flow [2024-11-07 15:43:49,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 664 transitions, 1374 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 15:43:49,489 INFO L231 Difference]: Finished difference. Result has 659 places, 661 transitions, 1330 flow [2024-11-07 15:43:49,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1330, PETRI_PLACES=659, PETRI_TRANSITIONS=661} [2024-11-07 15:43:49,497 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -3 predicate places. [2024-11-07 15:43:49,498 INFO L471 AbstractCegarLoop]: Abstraction has has 659 places, 661 transitions, 1330 flow [2024-11-07 15:43:49,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 15:43:49,499 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,500 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] [2024-11-07 15:43:49,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:43:49,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:49,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,501 INFO L85 PathProgramCache]: Analyzing trace with hash -424455180, now seen corresponding path program 1 times [2024-11-07 15:43:49,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17354855] [2024-11-07 15:43:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,570 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 15:43:49,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17354855] [2024-11-07 15:43:49,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17354855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107933218] [2024-11-07 15:43:49,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,631 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-07 15:43:49,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 661 transitions, 1330 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:49,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-07 15:43:49,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,798 INFO L124 PetriNetUnfolderBase]: 19/880 cut-off events. [2024-11-07 15:43:49,798 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-07 15:43:49,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 880 events. 19/880 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3056 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 883. Up to 29 conditions per place. [2024-11-07 15:43:49,809 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/660 dead transitions. [2024-11-07 15:43:49,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 660 transitions, 1360 flow [2024-11-07 15:43:49,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-07 15:43:49,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-07 15:43:49,814 INFO L175 Difference]: Start difference. First operand has 659 places, 661 transitions, 1330 flow. Second operand 3 states and 2009 transitions. [2024-11-07 15:43:49,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 660 transitions, 1360 flow [2024-11-07 15:43:49,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 660 transitions, 1356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,825 INFO L231 Difference]: Finished difference. Result has 655 places, 660 transitions, 1328 flow [2024-11-07 15:43:49,826 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1328, PETRI_PLACES=655, PETRI_TRANSITIONS=660} [2024-11-07 15:43:49,827 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2024-11-07 15:43:49,828 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 660 transitions, 1328 flow [2024-11-07 15:43:49,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:49,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,830 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] [2024-11-07 15:43:49,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:43:49,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:49,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -472914400, now seen corresponding path program 1 times [2024-11-07 15:43:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254080972] [2024-11-07 15:43:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,895 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 15:43:49,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254080972] [2024-11-07 15:43:49,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254080972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662666312] [2024-11-07 15:43:49,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-11-07 15:43:49,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 660 transitions, 1328 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 15:43:49,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-11-07 15:43:49,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,083 INFO L124 PetriNetUnfolderBase]: 13/876 cut-off events. [2024-11-07 15:43:50,083 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-07 15:43:50,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 876 events. 13/876 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2718 event pairs, 1 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 854. Up to 11 conditions per place. [2024-11-07 15:43:50,096 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/659 dead transitions. [2024-11-07 15:43:50,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 659 transitions, 1346 flow [2024-11-07 15:43:50,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-07 15:43:50,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-07 15:43:50,102 INFO L175 Difference]: Start difference. First operand has 655 places, 660 transitions, 1328 flow. Second operand 3 states and 2021 transitions. [2024-11-07 15:43:50,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 659 transitions, 1346 flow [2024-11-07 15:43:50,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 659 transitions, 1342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,112 INFO L231 Difference]: Finished difference. Result has 654 places, 659 transitions, 1326 flow [2024-11-07 15:43:50,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1322, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=657, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1326, PETRI_PLACES=654, PETRI_TRANSITIONS=659} [2024-11-07 15:43:50,114 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -8 predicate places. [2024-11-07 15:43:50,114 INFO L471 AbstractCegarLoop]: Abstraction has has 654 places, 659 transitions, 1326 flow [2024-11-07 15:43:50,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 15:43:50,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,116 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] [2024-11-07 15:43:50,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:43:50,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:50,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1445387779, now seen corresponding path program 1 times [2024-11-07 15:43:50,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402022235] [2024-11-07 15:43:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,177 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 15:43:50,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402022235] [2024-11-07 15:43:50,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402022235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903967783] [2024-11-07 15:43:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-11-07 15:43:50,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 659 transitions, 1326 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 15:43:50,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-11-07 15:43:50,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,335 INFO L124 PetriNetUnfolderBase]: 11/660 cut-off events. [2024-11-07 15:43:50,335 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-07 15:43:50,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 660 events. 11/660 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1841 event pairs, 1 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 629. Up to 11 conditions per place. [2024-11-07 15:43:50,348 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/658 dead transitions. [2024-11-07 15:43:50,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 658 transitions, 1344 flow [2024-11-07 15:43:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-07 15:43:50,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-07 15:43:50,354 INFO L175 Difference]: Start difference. First operand has 654 places, 659 transitions, 1326 flow. Second operand 3 states and 2021 transitions. [2024-11-07 15:43:50,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 658 transitions, 1344 flow [2024-11-07 15:43:50,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 658 transitions, 1340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,366 INFO L231 Difference]: Finished difference. Result has 653 places, 658 transitions, 1324 flow [2024-11-07 15:43:50,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=658, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1324, PETRI_PLACES=653, PETRI_TRANSITIONS=658} [2024-11-07 15:43:50,368 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -9 predicate places. [2024-11-07 15:43:50,368 INFO L471 AbstractCegarLoop]: Abstraction has has 653 places, 658 transitions, 1324 flow [2024-11-07 15:43:50,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 15:43:50,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,369 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] [2024-11-07 15:43:50,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:43:50,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:50,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1186604938, now seen corresponding path program 1 times [2024-11-07 15:43:50,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379525708] [2024-11-07 15:43:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,440 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 15:43:50,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379525708] [2024-11-07 15:43:50,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379525708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463781708] [2024-11-07 15:43:50,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,484 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-07 15:43:50,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 658 transitions, 1324 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:50,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-07 15:43:50,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,745 INFO L124 PetriNetUnfolderBase]: 22/1525 cut-off events. [2024-11-07 15:43:50,746 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-07 15:43:50,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1525 events. 22/1525 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7049 event pairs, 4 based on Foata normal form. 0/1293 useless extension candidates. Maximal degree in co-relation 1501. Up to 22 conditions per place. [2024-11-07 15:43:50,756 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/657 dead transitions. [2024-11-07 15:43:50,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 1352 flow [2024-11-07 15:43:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-07 15:43:50,761 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-07 15:43:50,761 INFO L175 Difference]: Start difference. First operand has 653 places, 658 transitions, 1324 flow. Second operand 3 states and 2011 transitions. [2024-11-07 15:43:50,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 1352 flow [2024-11-07 15:43:50,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 657 transitions, 1348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,770 INFO L231 Difference]: Finished difference. Result has 652 places, 657 transitions, 1322 flow [2024-11-07 15:43:50,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1322, PETRI_PLACES=652, PETRI_TRANSITIONS=657} [2024-11-07 15:43:50,771 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2024-11-07 15:43:50,771 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 657 transitions, 1322 flow [2024-11-07 15:43:50,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:50,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,773 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] [2024-11-07 15:43:50,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:43:50,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:50,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1273069341, now seen corresponding path program 1 times [2024-11-07 15:43:50,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294622485] [2024-11-07 15:43:50,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,838 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 15:43:50,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294622485] [2024-11-07 15:43:50,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294622485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448376296] [2024-11-07 15:43:50,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-07 15:43:50,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 657 transitions, 1322 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:50,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-07 15:43:50,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,993 INFO L124 PetriNetUnfolderBase]: 14/701 cut-off events. [2024-11-07 15:43:50,993 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-07 15:43:50,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 701 events. 14/701 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2226 event pairs, 4 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 665. Up to 22 conditions per place. [2024-11-07 15:43:51,002 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/656 dead transitions. [2024-11-07 15:43:51,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 656 transitions, 1350 flow [2024-11-07 15:43:51,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-07 15:43:51,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-07 15:43:51,007 INFO L175 Difference]: Start difference. First operand has 652 places, 657 transitions, 1322 flow. Second operand 3 states and 2011 transitions. [2024-11-07 15:43:51,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 656 transitions, 1350 flow [2024-11-07 15:43:51,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 656 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:51,017 INFO L231 Difference]: Finished difference. Result has 651 places, 656 transitions, 1320 flow [2024-11-07 15:43:51,018 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1316, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1320, PETRI_PLACES=651, PETRI_TRANSITIONS=656} [2024-11-07 15:43:51,019 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -11 predicate places. [2024-11-07 15:43:51,019 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 656 transitions, 1320 flow [2024-11-07 15:43:51,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:51,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:51,020 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] [2024-11-07 15:43:51,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:43:51,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:51,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:51,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1273970532, now seen corresponding path program 1 times [2024-11-07 15:43:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:51,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115948409] [2024-11-07 15:43:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:51,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:51,083 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 15:43:51,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:51,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115948409] [2024-11-07 15:43:51,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115948409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:51,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:51,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:51,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512594097] [2024-11-07 15:43:51,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:51,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:51,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:51,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:51,129 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-07 15:43:51,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 656 transitions, 1320 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:51,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:51,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-07 15:43:51,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:51,269 INFO L124 PetriNetUnfolderBase]: 18/874 cut-off events. [2024-11-07 15:43:51,269 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:43:51,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 874 events. 18/874 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3325 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 842. Up to 28 conditions per place. [2024-11-07 15:43:51,279 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/655 dead transitions. [2024-11-07 15:43:51,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 655 transitions, 1350 flow [2024-11-07 15:43:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-07 15:43:51,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-07 15:43:51,283 INFO L175 Difference]: Start difference. First operand has 651 places, 656 transitions, 1320 flow. Second operand 3 states and 2009 transitions. [2024-11-07 15:43:51,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 655 transitions, 1350 flow [2024-11-07 15:43:51,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 655 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:51,293 INFO L231 Difference]: Finished difference. Result has 650 places, 655 transitions, 1318 flow [2024-11-07 15:43:51,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=653, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1318, PETRI_PLACES=650, PETRI_TRANSITIONS=655} [2024-11-07 15:43:51,295 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -12 predicate places. [2024-11-07 15:43:51,295 INFO L471 AbstractCegarLoop]: Abstraction has has 650 places, 655 transitions, 1318 flow [2024-11-07 15:43:51,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:51,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:51,297 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] [2024-11-07 15:43:51,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:43:51,298 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:51,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:51,298 INFO L85 PathProgramCache]: Analyzing trace with hash 823168958, now seen corresponding path program 1 times [2024-11-07 15:43:51,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:51,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026245199] [2024-11-07 15:43:51,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:51,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:51,367 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 15:43:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026245199] [2024-11-07 15:43:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026245199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:51,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:51,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:51,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979285855] [2024-11-07 15:43:51,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:51,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:51,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:51,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:51,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-07 15:43:51,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 655 transitions, 1318 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:51,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:51,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-07 15:43:51,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:51,552 INFO L124 PetriNetUnfolderBase]: 18/873 cut-off events. [2024-11-07 15:43:51,552 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-07 15:43:51,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 873 events. 18/873 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3104 event pairs, 6 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 827. Up to 28 conditions per place. [2024-11-07 15:43:51,564 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/654 dead transitions. [2024-11-07 15:43:51,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 654 transitions, 1348 flow [2024-11-07 15:43:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-07 15:43:51,568 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-07 15:43:51,568 INFO L175 Difference]: Start difference. First operand has 650 places, 655 transitions, 1318 flow. Second operand 3 states and 2009 transitions. [2024-11-07 15:43:51,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 654 transitions, 1348 flow [2024-11-07 15:43:51,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 654 transitions, 1344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:51,578 INFO L231 Difference]: Finished difference. Result has 649 places, 654 transitions, 1316 flow [2024-11-07 15:43:51,579 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=649, PETRI_TRANSITIONS=654} [2024-11-07 15:43:51,582 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -13 predicate places. [2024-11-07 15:43:51,582 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 654 transitions, 1316 flow [2024-11-07 15:43:51,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 15:43:51,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:51,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:51,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:43:51,584 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:51,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:51,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1077315636, now seen corresponding path program 1 times [2024-11-07 15:43:51,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:51,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293797623] [2024-11-07 15:43:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:51,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:51,642 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 15:43:51,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:51,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293797623] [2024-11-07 15:43:51,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293797623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:51,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:51,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:51,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354039844] [2024-11-07 15:43:51,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:51,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:51,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:51,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:51,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:51,664 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-11-07 15:43:51,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 654 transitions, 1316 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 15:43:51,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:51,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-11-07 15:43:51,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:51,815 INFO L124 PetriNetUnfolderBase]: 17/1083 cut-off events. [2024-11-07 15:43:51,816 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:51,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 1083 events. 17/1083 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4826 event pairs, 3 based on Foata normal form. 0/925 useless extension candidates. Maximal degree in co-relation 1021. Up to 19 conditions per place. [2024-11-07 15:43:51,828 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 10 selfloop transitions, 2 changer transitions 0/653 dead transitions. [2024-11-07 15:43:51,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 653 transitions, 1338 flow [2024-11-07 15:43:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2017 transitions. [2024-11-07 15:43:51,833 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9523135033050047 [2024-11-07 15:43:51,833 INFO L175 Difference]: Start difference. First operand has 649 places, 654 transitions, 1316 flow. Second operand 3 states and 2017 transitions. [2024-11-07 15:43:51,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 653 transitions, 1338 flow [2024-11-07 15:43:51,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 653 transitions, 1334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:51,842 INFO L231 Difference]: Finished difference. Result has 648 places, 653 transitions, 1314 flow [2024-11-07 15:43:51,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1314, PETRI_PLACES=648, PETRI_TRANSITIONS=653} [2024-11-07 15:43:51,844 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -14 predicate places. [2024-11-07 15:43:51,844 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 653 transitions, 1314 flow [2024-11-07 15:43:51,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 15:43:51,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:51,845 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:51,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:43:51,846 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:51,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:51,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1233095483, now seen corresponding path program 1 times [2024-11-07 15:43:51,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:51,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922948436] [2024-11-07 15:43:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:51,898 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 15:43:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922948436] [2024-11-07 15:43:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922948436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:51,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:51,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074823012] [2024-11-07 15:43:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:51,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:51,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:51,922 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-11-07 15:43:51,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 653 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 15:43:51,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:51,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-11-07 15:43:51,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:52,165 INFO L124 PetriNetUnfolderBase]: 29/1717 cut-off events. [2024-11-07 15:43:52,165 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:43:52,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1717 events. 29/1717 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 9696 event pairs, 8 based on Foata normal form. 0/1462 useless extension candidates. Maximal degree in co-relation 1661. Up to 32 conditions per place. [2024-11-07 15:43:52,178 INFO L140 encePairwiseOnDemand]: 702/706 looper letters, 10 selfloop transitions, 1 changer transitions 0/650 dead transitions. [2024-11-07 15:43:52,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 650 transitions, 1330 flow [2024-11-07 15:43:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2018 transitions. [2024-11-07 15:43:52,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527856468366384 [2024-11-07 15:43:52,184 INFO L175 Difference]: Start difference. First operand has 648 places, 653 transitions, 1314 flow. Second operand 3 states and 2018 transitions. [2024-11-07 15:43:52,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 650 transitions, 1330 flow [2024-11-07 15:43:52,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 650 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:52,195 INFO L231 Difference]: Finished difference. Result has 645 places, 650 transitions, 1306 flow [2024-11-07 15:43:52,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=645, PETRI_TRANSITIONS=650} [2024-11-07 15:43:52,196 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -17 predicate places. [2024-11-07 15:43:52,197 INFO L471 AbstractCegarLoop]: Abstraction has has 645 places, 650 transitions, 1306 flow [2024-11-07 15:43:52,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 15:43:52,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:52,198 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:52,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:43:52,199 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:52,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1541767593, now seen corresponding path program 1 times [2024-11-07 15:43:52,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:52,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430207824] [2024-11-07 15:43:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:52,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:52,852 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 15:43:52,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:52,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430207824] [2024-11-07 15:43:52,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430207824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:52,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:52,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:43:52,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823118025] [2024-11-07 15:43:52,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:52,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:43:52,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:43:52,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:43:53,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 706 [2024-11-07 15:43:53,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 650 transitions, 1306 flow. Second operand has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 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 15:43:53,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 706 [2024-11-07 15:43:53,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,630 INFO L124 PetriNetUnfolderBase]: 244/4163 cut-off events. [2024-11-07 15:43:53,631 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-11-07 15:43:53,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4606 conditions, 4163 events. 244/4163 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 32057 event pairs, 168 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 4509. Up to 421 conditions per place. [2024-11-07 15:43:53,660 INFO L140 encePairwiseOnDemand]: 700/706 looper letters, 36 selfloop transitions, 5 changer transitions 0/649 dead transitions. [2024-11-07 15:43:53,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 649 transitions, 1386 flow [2024-11-07 15:43:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:43:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:43:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3882 transitions. [2024-11-07 15:43:53,670 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9164305949008499 [2024-11-07 15:43:53,670 INFO L175 Difference]: Start difference. First operand has 645 places, 650 transitions, 1306 flow. Second operand 6 states and 3882 transitions. [2024-11-07 15:43:53,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 649 transitions, 1386 flow [2024-11-07 15:43:53,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 649 transitions, 1385 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:53,678 INFO L231 Difference]: Finished difference. Result has 648 places, 649 transitions, 1313 flow [2024-11-07 15:43:53,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1313, PETRI_PLACES=648, PETRI_TRANSITIONS=649} [2024-11-07 15:43:53,680 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -14 predicate places. [2024-11-07 15:43:53,681 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 649 transitions, 1313 flow [2024-11-07 15:43:53,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 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 15:43:53,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:53,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:53,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:43:53,685 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:53,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:53,685 INFO L85 PathProgramCache]: Analyzing trace with hash -771150762, now seen corresponding path program 1 times [2024-11-07 15:43:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:53,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499092876] [2024-11-07 15:43:53,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:53,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:53,753 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 15:43:53,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:53,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499092876] [2024-11-07 15:43:53,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499092876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:53,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:53,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:53,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896348134] [2024-11-07 15:43:53,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:53,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:53,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:53,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:53,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:53,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-07 15:43:53,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 649 transitions, 1313 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:53,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:53,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-07 15:43:53,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:53,982 INFO L124 PetriNetUnfolderBase]: 34/1521 cut-off events. [2024-11-07 15:43:53,982 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-07 15:43:53,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1521 events. 34/1521 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7600 event pairs, 15 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 1564. Up to 46 conditions per place. [2024-11-07 15:43:53,997 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/648 dead transitions. [2024-11-07 15:43:53,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 648 transitions, 1341 flow [2024-11-07 15:43:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-07 15:43:54,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-07 15:43:54,002 INFO L175 Difference]: Start difference. First operand has 648 places, 649 transitions, 1313 flow. Second operand 3 states and 2011 transitions. [2024-11-07 15:43:54,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 648 transitions, 1341 flow [2024-11-07 15:43:54,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 648 transitions, 1331 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:43:54,010 INFO L231 Difference]: Finished difference. Result has 644 places, 648 transitions, 1305 flow [2024-11-07 15:43:54,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1305, PETRI_PLACES=644, PETRI_TRANSITIONS=648} [2024-11-07 15:43:54,011 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -18 predicate places. [2024-11-07 15:43:54,011 INFO L471 AbstractCegarLoop]: Abstraction has has 644 places, 648 transitions, 1305 flow [2024-11-07 15:43:54,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 15:43:54,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,013 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:54,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:43:54,013 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:54,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 421043245, now seen corresponding path program 1 times [2024-11-07 15:43:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208054348] [2024-11-07 15:43:54,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,061 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 15:43:54,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208054348] [2024-11-07 15:43:54,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208054348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044499720] [2024-11-07 15:43:54,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 706 [2024-11-07 15:43:54,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 648 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 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 15:43:54,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 706 [2024-11-07 15:43:54,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,306 INFO L124 PetriNetUnfolderBase]: 28/1297 cut-off events. [2024-11-07 15:43:54,306 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-07 15:43:54,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 1297 events. 28/1297 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 6709 event pairs, 8 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1268. Up to 44 conditions per place. [2024-11-07 15:43:54,318 INFO L140 encePairwiseOnDemand]: 691/706 looper letters, 25 selfloop transitions, 5 changer transitions 0/641 dead transitions. [2024-11-07 15:43:54,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 641 transitions, 1352 flow [2024-11-07 15:43:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1975 transitions. [2024-11-07 15:43:54,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9324834749763928 [2024-11-07 15:43:54,323 INFO L175 Difference]: Start difference. First operand has 644 places, 648 transitions, 1305 flow. Second operand 3 states and 1975 transitions. [2024-11-07 15:43:54,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 641 transitions, 1352 flow [2024-11-07 15:43:54,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 641 transitions, 1348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:54,337 INFO L231 Difference]: Finished difference. Result has 635 places, 640 transitions, 1304 flow [2024-11-07 15:43:54,338 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1281, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=635, PETRI_TRANSITIONS=640} [2024-11-07 15:43:54,339 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -27 predicate places. [2024-11-07 15:43:54,339 INFO L471 AbstractCegarLoop]: Abstraction has has 635 places, 640 transitions, 1304 flow [2024-11-07 15:43:54,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 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 15:43:54,340 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,341 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:54,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:43:54,341 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:54,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,342 INFO L85 PathProgramCache]: Analyzing trace with hash 895675511, now seen corresponding path program 1 times [2024-11-07 15:43:54,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074130221] [2024-11-07 15:43:54,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,393 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 15:43:54,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074130221] [2024-11-07 15:43:54,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074130221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417151990] [2024-11-07 15:43:54,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 660 out of 706 [2024-11-07 15:43:54,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 640 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 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 15:43:54,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 660 of 706 [2024-11-07 15:43:54,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,602 INFO L124 PetriNetUnfolderBase]: 25/876 cut-off events. [2024-11-07 15:43:54,602 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-07 15:43:54,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 876 events. 25/876 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3209 event pairs, 8 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 835. Up to 34 conditions per place. [2024-11-07 15:43:54,613 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 15 selfloop transitions, 5 changer transitions 0/638 dead transitions. [2024-11-07 15:43:54,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 638 transitions, 1341 flow [2024-11-07 15:43:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2005 transitions. [2024-11-07 15:43:54,618 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466477809254014 [2024-11-07 15:43:54,618 INFO L175 Difference]: Start difference. First operand has 635 places, 640 transitions, 1304 flow. Second operand 3 states and 2005 transitions. [2024-11-07 15:43:54,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 638 transitions, 1341 flow [2024-11-07 15:43:54,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 638 transitions, 1336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:54,627 INFO L231 Difference]: Finished difference. Result has 632 places, 637 transitions, 1312 flow [2024-11-07 15:43:54,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1312, PETRI_PLACES=632, PETRI_TRANSITIONS=637} [2024-11-07 15:43:54,628 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -30 predicate places. [2024-11-07 15:43:54,629 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 637 transitions, 1312 flow [2024-11-07 15:43:54,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 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 15:43:54,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,630 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:54,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:43:54,630 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:54,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash -582735692, now seen corresponding path program 1 times [2024-11-07 15:43:54,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569709425] [2024-11-07 15:43:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:54,687 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 15:43:54,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:54,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569709425] [2024-11-07 15:43:54,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569709425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:54,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:54,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:54,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705553194] [2024-11-07 15:43:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:54,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:54,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:54,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:54,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:54,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-11-07 15:43:54,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 637 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 15:43:54,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:54,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-11-07 15:43:54,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:54,956 INFO L124 PetriNetUnfolderBase]: 40/1573 cut-off events. [2024-11-07 15:43:54,957 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2024-11-07 15:43:54,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 1573 events. 40/1573 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 7279 event pairs, 2 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 1578. Up to 30 conditions per place. [2024-11-07 15:43:54,970 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 13 selfloop transitions, 6 changer transitions 0/637 dead transitions. [2024-11-07 15:43:54,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 637 transitions, 1352 flow [2024-11-07 15:43:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-11-07 15:43:54,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-11-07 15:43:54,975 INFO L175 Difference]: Start difference. First operand has 632 places, 637 transitions, 1312 flow. Second operand 3 states and 2012 transitions. [2024-11-07 15:43:54,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 637 transitions, 1352 flow [2024-11-07 15:43:54,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 637 transitions, 1347 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:54,985 INFO L231 Difference]: Finished difference. Result has 630 places, 635 transitions, 1325 flow [2024-11-07 15:43:54,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1325, PETRI_PLACES=630, PETRI_TRANSITIONS=635} [2024-11-07 15:43:54,987 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -32 predicate places. [2024-11-07 15:43:54,987 INFO L471 AbstractCegarLoop]: Abstraction has has 630 places, 635 transitions, 1325 flow [2024-11-07 15:43:54,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 15:43:54,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:54,989 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:54,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:43:54,989 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:54,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1528377432, now seen corresponding path program 1 times [2024-11-07 15:43:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:54,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610986557] [2024-11-07 15:43:54,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:55,040 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 15:43:55,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:55,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610986557] [2024-11-07 15:43:55,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610986557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:55,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:55,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:55,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640062027] [2024-11-07 15:43:55,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:55,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:55,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:55,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:55,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:55,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-11-07 15:43:55,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 635 transitions, 1325 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 15:43:55,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:55,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-11-07 15:43:55,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:55,360 INFO L124 PetriNetUnfolderBase]: 53/1813 cut-off events. [2024-11-07 15:43:55,360 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-07 15:43:55,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1951 conditions, 1813 events. 53/1813 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10980 event pairs, 2 based on Foata normal form. 1/1588 useless extension candidates. Maximal degree in co-relation 1851. Up to 43 conditions per place. [2024-11-07 15:43:55,397 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 12 selfloop transitions, 5 changer transitions 4/636 dead transitions. [2024-11-07 15:43:55,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 636 transitions, 1368 flow [2024-11-07 15:43:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-11-07 15:43:55,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-11-07 15:43:55,402 INFO L175 Difference]: Start difference. First operand has 630 places, 635 transitions, 1325 flow. Second operand 3 states and 2012 transitions. [2024-11-07 15:43:55,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 636 transitions, 1368 flow [2024-11-07 15:43:55,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 636 transitions, 1362 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:55,412 INFO L231 Difference]: Finished difference. Result has 628 places, 629 transitions, 1323 flow [2024-11-07 15:43:55,413 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1323, PETRI_PLACES=628, PETRI_TRANSITIONS=629} [2024-11-07 15:43:55,413 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -34 predicate places. [2024-11-07 15:43:55,414 INFO L471 AbstractCegarLoop]: Abstraction has has 628 places, 629 transitions, 1323 flow [2024-11-07 15:43:55,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 15:43:55,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:55,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:55,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:43:55,419 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:55,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:55,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1829852726, now seen corresponding path program 1 times [2024-11-07 15:43:55,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:55,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547764528] [2024-11-07 15:43:55,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:55,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:55,475 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 15:43:55,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547764528] [2024-11-07 15:43:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547764528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:55,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:55,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911462747] [2024-11-07 15:43:55,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:55,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:55,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:55,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:55,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:55,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-11-07 15:43:55,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 629 transitions, 1323 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 15:43:55,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:55,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-11-07 15:43:55,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:56,002 INFO L124 PetriNetUnfolderBase]: 129/3255 cut-off events. [2024-11-07 15:43:56,003 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-07 15:43:56,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3660 conditions, 3255 events. 129/3255 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 25019 event pairs, 4 based on Foata normal form. 0/2879 useless extension candidates. Maximal degree in co-relation 3559. Up to 158 conditions per place. [2024-11-07 15:43:56,042 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 17 selfloop transitions, 3 changer transitions 0/626 dead transitions. [2024-11-07 15:43:56,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 626 transitions, 1359 flow [2024-11-07 15:43:56,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2000 transitions. [2024-11-07 15:43:56,046 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9442870632672332 [2024-11-07 15:43:56,047 INFO L175 Difference]: Start difference. First operand has 628 places, 629 transitions, 1323 flow. Second operand 3 states and 2000 transitions. [2024-11-07 15:43:56,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 626 transitions, 1359 flow [2024-11-07 15:43:56,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 626 transitions, 1354 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:56,057 INFO L231 Difference]: Finished difference. Result has 620 places, 624 transitions, 1319 flow [2024-11-07 15:43:56,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1319, PETRI_PLACES=620, PETRI_TRANSITIONS=624} [2024-11-07 15:43:56,058 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -42 predicate places. [2024-11-07 15:43:56,059 INFO L471 AbstractCegarLoop]: Abstraction has has 620 places, 624 transitions, 1319 flow [2024-11-07 15:43:56,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 15:43:56,060 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:56,060 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:56,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:43:56,060 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:56,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1686688577, now seen corresponding path program 1 times [2024-11-07 15:43:56,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:56,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377022387] [2024-11-07 15:43:56,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:56,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:56,118 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 15:43:56,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:56,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377022387] [2024-11-07 15:43:56,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377022387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:56,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:56,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:56,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617150029] [2024-11-07 15:43:56,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:56,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:56,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:56,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:56,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:56,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-11-07 15:43:56,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 624 transitions, 1319 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 15:43:56,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:56,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-11-07 15:43:56,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:56,730 INFO L124 PetriNetUnfolderBase]: 122/3768 cut-off events. [2024-11-07 15:43:56,730 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2024-11-07 15:43:56,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 3768 events. 122/3768 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 31107 event pairs, 20 based on Foata normal form. 0/3397 useless extension candidates. Maximal degree in co-relation 4127. Up to 176 conditions per place. [2024-11-07 15:43:56,755 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 18 selfloop transitions, 3 changer transitions 0/622 dead transitions. [2024-11-07 15:43:56,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 622 transitions, 1360 flow [2024-11-07 15:43:56,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:56,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2001 transitions. [2024-11-07 15:43:56,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9447592067988668 [2024-11-07 15:43:56,759 INFO L175 Difference]: Start difference. First operand has 620 places, 624 transitions, 1319 flow. Second operand 3 states and 2001 transitions. [2024-11-07 15:43:56,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 622 transitions, 1360 flow [2024-11-07 15:43:56,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 622 transitions, 1357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:56,770 INFO L231 Difference]: Finished difference. Result has 616 places, 619 transitions, 1317 flow [2024-11-07 15:43:56,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=616, PETRI_TRANSITIONS=619} [2024-11-07 15:43:56,772 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -46 predicate places. [2024-11-07 15:43:56,772 INFO L471 AbstractCegarLoop]: Abstraction has has 616 places, 619 transitions, 1317 flow [2024-11-07 15:43:56,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 15:43:56,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:56,773 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:56,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:43:56,773 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:56,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:56,773 INFO L85 PathProgramCache]: Analyzing trace with hash 134985541, now seen corresponding path program 1 times [2024-11-07 15:43:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672204770] [2024-11-07 15:43:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:56,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:56,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672204770] [2024-11-07 15:43:56,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672204770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:56,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:56,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:56,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357763134] [2024-11-07 15:43:56,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:56,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:56,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:56,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:56,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:56,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-11-07 15:43:56,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 619 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 15:43:56,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:56,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-11-07 15:43:56,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:58,162 INFO L124 PetriNetUnfolderBase]: 354/9609 cut-off events. [2024-11-07 15:43:58,162 INFO L125 PetriNetUnfolderBase]: For 59/63 co-relation queries the response was YES. [2024-11-07 15:43:58,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10800 conditions, 9609 events. 354/9609 cut-off events. For 59/63 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 98014 event pairs, 88 based on Foata normal form. 0/8697 useless extension candidates. Maximal degree in co-relation 10698. Up to 467 conditions per place. [2024-11-07 15:43:58,219 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 18 selfloop transitions, 2 changer transitions 0/617 dead transitions. [2024-11-07 15:43:58,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 617 transitions, 1355 flow [2024-11-07 15:43:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2003 transitions. [2024-11-07 15:43:58,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.945703493862134 [2024-11-07 15:43:58,223 INFO L175 Difference]: Start difference. First operand has 616 places, 619 transitions, 1317 flow. Second operand 3 states and 2003 transitions. [2024-11-07 15:43:58,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 617 transitions, 1355 flow [2024-11-07 15:43:58,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 617 transitions, 1352 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:58,234 INFO L231 Difference]: Finished difference. Result has 612 places, 615 transitions, 1316 flow [2024-11-07 15:43:58,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=612, PETRI_TRANSITIONS=615} [2024-11-07 15:43:58,235 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -50 predicate places. [2024-11-07 15:43:58,235 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 615 transitions, 1316 flow [2024-11-07 15:43:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 15:43:58,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:58,236 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:58,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:43:58,236 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:58,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash 168202096, now seen corresponding path program 1 times [2024-11-07 15:43:58,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:58,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383069674] [2024-11-07 15:43:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:58,717 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 15:43:58,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:58,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383069674] [2024-11-07 15:43:58,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383069674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:58,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:58,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:43:58,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263286182] [2024-11-07 15:43:58,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:58,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:43:58,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:58,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:43:58,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:43:59,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-11-07 15:43:59,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 615 transitions, 1316 flow. Second operand has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 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 15:43:59,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:59,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-11-07 15:43:59,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:59,776 INFO L124 PetriNetUnfolderBase]: 233/5969 cut-off events. [2024-11-07 15:43:59,776 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-07 15:43:59,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6890 conditions, 5969 events. 233/5969 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 52379 event pairs, 8 based on Foata normal form. 0/5473 useless extension candidates. Maximal degree in co-relation 6784. Up to 228 conditions per place. [2024-11-07 15:43:59,801 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/616 dead transitions. [2024-11-07 15:43:59,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 616 transitions, 1384 flow [2024-11-07 15:43:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:43:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:43:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-11-07 15:43:59,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-11-07 15:43:59,807 INFO L175 Difference]: Start difference. First operand has 612 places, 615 transitions, 1316 flow. Second operand 6 states and 3940 transitions. [2024-11-07 15:43:59,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 616 transitions, 1384 flow [2024-11-07 15:43:59,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 616 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:43:59,816 INFO L231 Difference]: Finished difference. Result has 614 places, 612 transitions, 1320 flow [2024-11-07 15:43:59,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1320, PETRI_PLACES=614, PETRI_TRANSITIONS=612} [2024-11-07 15:43:59,817 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -48 predicate places. [2024-11-07 15:43:59,817 INFO L471 AbstractCegarLoop]: Abstraction has has 614 places, 612 transitions, 1320 flow [2024-11-07 15:43:59,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 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 15:43:59,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:59,819 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:59,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:43:59,819 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:43:59,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -774491270, now seen corresponding path program 1 times [2024-11-07 15:43:59,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:59,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810247263] [2024-11-07 15:43:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:59,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810247263] [2024-11-07 15:44:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810247263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:00,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:44:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761005195] [2024-11-07 15:44:00,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:00,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:44:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:44:00,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:44:00,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-11-07 15:44:00,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 612 transitions, 1320 flow. Second operand has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:00,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:00,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-11-07 15:44:00,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:01,310 INFO L124 PetriNetUnfolderBase]: 160/4614 cut-off events. [2024-11-07 15:44:01,310 INFO L125 PetriNetUnfolderBase]: For 62/70 co-relation queries the response was YES. [2024-11-07 15:44:01,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5331 conditions, 4614 events. 160/4614 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 39444 event pairs, 0 based on Foata normal form. 0/4242 useless extension candidates. Maximal degree in co-relation 5224. Up to 171 conditions per place. [2024-11-07 15:44:01,348 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/613 dead transitions. [2024-11-07 15:44:01,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 613 transitions, 1388 flow [2024-11-07 15:44:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:44:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:44:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-11-07 15:44:01,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-11-07 15:44:01,353 INFO L175 Difference]: Start difference. First operand has 614 places, 612 transitions, 1320 flow. Second operand 6 states and 3940 transitions. [2024-11-07 15:44:01,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 613 transitions, 1388 flow [2024-11-07 15:44:01,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 613 transitions, 1378 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:44:01,365 INFO L231 Difference]: Finished difference. Result has 611 places, 609 transitions, 1314 flow [2024-11-07 15:44:01,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1314, PETRI_PLACES=611, PETRI_TRANSITIONS=609} [2024-11-07 15:44:01,366 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -51 predicate places. [2024-11-07 15:44:01,366 INFO L471 AbstractCegarLoop]: Abstraction has has 611 places, 609 transitions, 1314 flow [2024-11-07 15:44:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:01,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:01,368 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:01,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:44:01,368 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:01,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:01,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1718719399, now seen corresponding path program 1 times [2024-11-07 15:44:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:01,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884199299] [2024-11-07 15:44:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:01,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:01,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884199299] [2024-11-07 15:44:01,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884199299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:01,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:01,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:01,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687174250] [2024-11-07 15:44:01,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:01,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:01,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:01,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:01,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:01,468 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-07 15:44:01,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 609 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:01,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:01,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-07 15:44:01,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:02,342 INFO L124 PetriNetUnfolderBase]: 208/6152 cut-off events. [2024-11-07 15:44:02,343 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-11-07 15:44:02,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7074 conditions, 6152 events. 208/6152 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 53513 event pairs, 32 based on Foata normal form. 0/5663 useless extension candidates. Maximal degree in co-relation 6969. Up to 163 conditions per place. [2024-11-07 15:44:02,383 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/609 dead transitions. [2024-11-07 15:44:02,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 609 transitions, 1345 flow [2024-11-07 15:44:02,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-07 15:44:02,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-07 15:44:02,386 INFO L175 Difference]: Start difference. First operand has 611 places, 609 transitions, 1314 flow. Second operand 3 states and 2015 transitions. [2024-11-07 15:44:02,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 609 transitions, 1345 flow [2024-11-07 15:44:02,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 609 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:44:02,395 INFO L231 Difference]: Finished difference. Result has 607 places, 608 transitions, 1306 flow [2024-11-07 15:44:02,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=607, PETRI_TRANSITIONS=608} [2024-11-07 15:44:02,396 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-11-07 15:44:02,396 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 1306 flow [2024-11-07 15:44:02,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:02,397 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:02,398 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:02,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:44:02,398 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:02,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:02,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1621160215, now seen corresponding path program 1 times [2024-11-07 15:44:02,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:02,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123623967] [2024-11-07 15:44:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:02,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123623967] [2024-11-07 15:44:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123623967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224196208] [2024-11-07 15:44:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:02,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:02,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:02,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-11-07 15:44:02,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:02,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:02,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-11-07 15:44:02,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:03,174 INFO L124 PetriNetUnfolderBase]: 145/6333 cut-off events. [2024-11-07 15:44:03,175 INFO L125 PetriNetUnfolderBase]: For 20/24 co-relation queries the response was YES. [2024-11-07 15:44:03,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6954 conditions, 6333 events. 145/6333 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 54640 event pairs, 4 based on Foata normal form. 0/5861 useless extension candidates. Maximal degree in co-relation 6849. Up to 68 conditions per place. [2024-11-07 15:44:03,220 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 8 selfloop transitions, 1 changer transitions 0/610 dead transitions. [2024-11-07 15:44:03,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 610 transitions, 1330 flow [2024-11-07 15:44:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2024-11-07 15:44:03,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.959395656279509 [2024-11-07 15:44:03,223 INFO L175 Difference]: Start difference. First operand has 607 places, 608 transitions, 1306 flow. Second operand 3 states and 2032 transitions. [2024-11-07 15:44:03,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 610 transitions, 1330 flow [2024-11-07 15:44:03,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 610 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:03,232 INFO L231 Difference]: Finished difference. Result has 607 places, 608 transitions, 1307 flow [2024-11-07 15:44:03,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1307, PETRI_PLACES=607, PETRI_TRANSITIONS=608} [2024-11-07 15:44:03,234 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-11-07 15:44:03,234 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 1307 flow [2024-11-07 15:44:03,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:03,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:03,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:03,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:44:03,235 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:03,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:03,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1786609, now seen corresponding path program 1 times [2024-11-07 15:44:03,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:03,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402803171] [2024-11-07 15:44:03,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:03,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:03,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:03,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402803171] [2024-11-07 15:44:03,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402803171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:03,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:03,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:03,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37544747] [2024-11-07 15:44:03,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:03,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:03,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:03,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-07 15:44:03,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 1307 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:03,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:03,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-07 15:44:03,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:03,920 INFO L124 PetriNetUnfolderBase]: 143/5379 cut-off events. [2024-11-07 15:44:03,920 INFO L125 PetriNetUnfolderBase]: For 99/107 co-relation queries the response was YES. [2024-11-07 15:44:03,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6026 conditions, 5379 events. 143/5379 cut-off events. For 99/107 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 43295 event pairs, 18 based on Foata normal form. 0/4984 useless extension candidates. Maximal degree in co-relation 5921. Up to 154 conditions per place. [2024-11-07 15:44:03,962 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 12 selfloop transitions, 2 changer transitions 1/608 dead transitions. [2024-11-07 15:44:03,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 608 transitions, 1338 flow [2024-11-07 15:44:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-07 15:44:03,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-07 15:44:03,965 INFO L175 Difference]: Start difference. First operand has 607 places, 608 transitions, 1307 flow. Second operand 3 states and 2015 transitions. [2024-11-07 15:44:03,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 608 transitions, 1338 flow [2024-11-07 15:44:03,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 608 transitions, 1338 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:44:03,973 INFO L231 Difference]: Finished difference. Result has 608 places, 607 transitions, 1309 flow [2024-11-07 15:44:03,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1305, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1309, PETRI_PLACES=608, PETRI_TRANSITIONS=607} [2024-11-07 15:44:03,975 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-11-07 15:44:03,975 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 607 transitions, 1309 flow [2024-11-07 15:44:03,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:03,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:03,976 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:03,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 15:44:03,976 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:03,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash -892657165, now seen corresponding path program 1 times [2024-11-07 15:44:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212561810] [2024-11-07 15:44:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:03,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212561810] [2024-11-07 15:44:04,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212561810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:04,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:04,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:04,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625149245] [2024-11-07 15:44:04,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:04,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:04,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:04,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:04,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-11-07 15:44:04,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 607 transitions, 1309 flow. Second operand has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:04,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:04,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-11-07 15:44:04,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:04,763 INFO L124 PetriNetUnfolderBase]: 135/6249 cut-off events. [2024-11-07 15:44:04,763 INFO L125 PetriNetUnfolderBase]: For 30/38 co-relation queries the response was YES. [2024-11-07 15:44:04,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6859 conditions, 6249 events. 135/6249 cut-off events. For 30/38 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 51965 event pairs, 8 based on Foata normal form. 0/5823 useless extension candidates. Maximal degree in co-relation 6753. Up to 68 conditions per place. [2024-11-07 15:44:04,803 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 7 selfloop transitions, 1 changer transitions 0/608 dead transitions. [2024-11-07 15:44:04,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 608 transitions, 1328 flow [2024-11-07 15:44:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2031 transitions. [2024-11-07 15:44:04,806 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9589235127478754 [2024-11-07 15:44:04,806 INFO L175 Difference]: Start difference. First operand has 608 places, 607 transitions, 1309 flow. Second operand 3 states and 2031 transitions. [2024-11-07 15:44:04,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 608 transitions, 1328 flow [2024-11-07 15:44:04,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 608 transitions, 1324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:04,813 INFO L231 Difference]: Finished difference. Result has 608 places, 607 transitions, 1310 flow [2024-11-07 15:44:04,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1310, PETRI_PLACES=608, PETRI_TRANSITIONS=607} [2024-11-07 15:44:04,814 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-11-07 15:44:04,814 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 607 transitions, 1310 flow [2024-11-07 15:44:04,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:04,815 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:04,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:04,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 15:44:04,815 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:04,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash 53670932, now seen corresponding path program 1 times [2024-11-07 15:44:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824214890] [2024-11-07 15:44:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:04,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:04,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824214890] [2024-11-07 15:44:04,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824214890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:04,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:04,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:04,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922276919] [2024-11-07 15:44:04,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:04,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:04,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:04,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:04,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:04,896 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-07 15:44:04,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 607 transitions, 1310 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:04,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:04,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-07 15:44:04,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:05,915 INFO L124 PetriNetUnfolderBase]: 231/8833 cut-off events. [2024-11-07 15:44:05,915 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-07 15:44:05,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9834 conditions, 8833 events. 231/8833 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 81027 event pairs, 36 based on Foata normal form. 0/8211 useless extension candidates. Maximal degree in co-relation 9728. Up to 159 conditions per place. [2024-11-07 15:44:05,963 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/607 dead transitions. [2024-11-07 15:44:05,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 607 transitions, 1341 flow [2024-11-07 15:44:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:05,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-07 15:44:05,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-07 15:44:05,966 INFO L175 Difference]: Start difference. First operand has 608 places, 607 transitions, 1310 flow. Second operand 3 states and 2015 transitions. [2024-11-07 15:44:05,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 607 transitions, 1341 flow [2024-11-07 15:44:05,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 607 transitions, 1341 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:44:05,972 INFO L231 Difference]: Finished difference. Result has 609 places, 606 transitions, 1312 flow [2024-11-07 15:44:05,973 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1312, PETRI_PLACES=609, PETRI_TRANSITIONS=606} [2024-11-07 15:44:05,973 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -53 predicate places. [2024-11-07 15:44:05,973 INFO L471 AbstractCegarLoop]: Abstraction has has 609 places, 606 transitions, 1312 flow [2024-11-07 15:44:05,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:05,974 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:05,974 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:05,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 15:44:05,974 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:05,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:05,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1160851240, now seen corresponding path program 1 times [2024-11-07 15:44:05,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:05,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15667494] [2024-11-07 15:44:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:05,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:06,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15667494] [2024-11-07 15:44:06,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15667494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:06,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:06,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:06,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799932138] [2024-11-07 15:44:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:06,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:06,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:06,049 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-07 15:44:06,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 606 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:06,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:06,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-07 15:44:06,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:07,001 INFO L124 PetriNetUnfolderBase]: 147/6049 cut-off events. [2024-11-07 15:44:07,001 INFO L125 PetriNetUnfolderBase]: For 105/113 co-relation queries the response was YES. [2024-11-07 15:44:07,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6755 conditions, 6049 events. 147/6049 cut-off events. For 105/113 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 50536 event pairs, 22 based on Foata normal form. 0/5641 useless extension candidates. Maximal degree in co-relation 6648. Up to 150 conditions per place. [2024-11-07 15:44:07,040 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/606 dead transitions. [2024-11-07 15:44:07,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 606 transitions, 1343 flow [2024-11-07 15:44:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:07,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-07 15:44:07,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-07 15:44:07,043 INFO L175 Difference]: Start difference. First operand has 609 places, 606 transitions, 1312 flow. Second operand 3 states and 2015 transitions. [2024-11-07 15:44:07,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 606 transitions, 1343 flow [2024-11-07 15:44:07,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 606 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:07,050 INFO L231 Difference]: Finished difference. Result has 608 places, 605 transitions, 1310 flow [2024-11-07 15:44:07,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1310, PETRI_PLACES=608, PETRI_TRANSITIONS=605} [2024-11-07 15:44:07,051 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-11-07 15:44:07,051 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 605 transitions, 1310 flow [2024-11-07 15:44:07,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:07,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:07,052 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:07,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 15:44:07,052 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:07,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:07,053 INFO L85 PathProgramCache]: Analyzing trace with hash -624029191, now seen corresponding path program 1 times [2024-11-07 15:44:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:07,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800682525] [2024-11-07 15:44:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:07,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:07,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800682525] [2024-11-07 15:44:07,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800682525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:07,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:07,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:07,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369060762] [2024-11-07 15:44:07,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:07,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:07,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:07,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:07,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:07,180 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 706 [2024-11-07 15:44:07,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 605 transitions, 1310 flow. Second operand has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:07,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:07,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 706 [2024-11-07 15:44:07,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:08,367 INFO L124 PetriNetUnfolderBase]: 281/10327 cut-off events. [2024-11-07 15:44:08,367 INFO L125 PetriNetUnfolderBase]: For 90/94 co-relation queries the response was YES. [2024-11-07 15:44:08,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11638 conditions, 10327 events. 281/10327 cut-off events. For 90/94 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 101498 event pairs, 64 based on Foata normal form. 0/9630 useless extension candidates. Maximal degree in co-relation 11531. Up to 254 conditions per place. [2024-11-07 15:44:08,413 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 20 selfloop transitions, 2 changer transitions 0/605 dead transitions. [2024-11-07 15:44:08,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 605 transitions, 1355 flow [2024-11-07 15:44:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2024-11-07 15:44:08,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461756373937678 [2024-11-07 15:44:08,416 INFO L175 Difference]: Start difference. First operand has 608 places, 605 transitions, 1310 flow. Second operand 3 states and 2004 transitions. [2024-11-07 15:44:08,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 605 transitions, 1355 flow [2024-11-07 15:44:08,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 605 transitions, 1351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:08,422 INFO L231 Difference]: Finished difference. Result has 607 places, 604 transitions, 1308 flow [2024-11-07 15:44:08,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1308, PETRI_PLACES=607, PETRI_TRANSITIONS=604} [2024-11-07 15:44:08,423 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-11-07 15:44:08,424 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 604 transitions, 1308 flow [2024-11-07 15:44:08,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:08,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:08,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:08,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 15:44:08,425 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:08,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:08,425 INFO L85 PathProgramCache]: Analyzing trace with hash 370853901, now seen corresponding path program 1 times [2024-11-07 15:44:08,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:08,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894562995] [2024-11-07 15:44:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:08,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:08,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:08,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894562995] [2024-11-07 15:44:08,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894562995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:08,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:08,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:08,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116765759] [2024-11-07 15:44:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:08,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:08,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:08,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-07 15:44:08,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 604 transitions, 1308 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:08,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:08,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-07 15:44:08,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:09,322 INFO L124 PetriNetUnfolderBase]: 163/6447 cut-off events. [2024-11-07 15:44:09,322 INFO L125 PetriNetUnfolderBase]: For 111/119 co-relation queries the response was YES. [2024-11-07 15:44:09,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7257 conditions, 6447 events. 163/6447 cut-off events. For 111/119 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 56396 event pairs, 36 based on Foata normal form. 0/6034 useless extension candidates. Maximal degree in co-relation 7150. Up to 199 conditions per place. [2024-11-07 15:44:09,372 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 15 selfloop transitions, 2 changer transitions 0/604 dead transitions. [2024-11-07 15:44:09,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 604 transitions, 1343 flow [2024-11-07 15:44:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-07 15:44:09,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-07 15:44:09,375 INFO L175 Difference]: Start difference. First operand has 607 places, 604 transitions, 1308 flow. Second operand 3 states and 2014 transitions. [2024-11-07 15:44:09,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 604 transitions, 1343 flow [2024-11-07 15:44:09,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 604 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:09,381 INFO L231 Difference]: Finished difference. Result has 606 places, 603 transitions, 1306 flow [2024-11-07 15:44:09,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=606, PETRI_TRANSITIONS=603} [2024-11-07 15:44:09,382 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -56 predicate places. [2024-11-07 15:44:09,382 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 603 transitions, 1306 flow [2024-11-07 15:44:09,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:09,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:09,383 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:09,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 15:44:09,383 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:09,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash -378984119, now seen corresponding path program 1 times [2024-11-07 15:44:09,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:09,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492431157] [2024-11-07 15:44:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:09,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:09,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492431157] [2024-11-07 15:44:09,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492431157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:09,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:09,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:09,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139014114] [2024-11-07 15:44:09,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:09,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:09,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:09,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:09,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:09,489 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 706 [2024-11-07 15:44:09,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 603 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:09,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:09,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 706 [2024-11-07 15:44:09,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:10,689 INFO L124 PetriNetUnfolderBase]: 283/10615 cut-off events. [2024-11-07 15:44:10,690 INFO L125 PetriNetUnfolderBase]: For 121/129 co-relation queries the response was YES. [2024-11-07 15:44:10,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11964 conditions, 10615 events. 283/10615 cut-off events. For 121/129 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 102976 event pairs, 56 based on Foata normal form. 0/9921 useless extension candidates. Maximal degree in co-relation 11857. Up to 246 conditions per place. [2024-11-07 15:44:10,760 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 20 selfloop transitions, 2 changer transitions 0/603 dead transitions. [2024-11-07 15:44:10,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 603 transitions, 1351 flow [2024-11-07 15:44:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2024-11-07 15:44:10,762 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9461756373937678 [2024-11-07 15:44:10,762 INFO L175 Difference]: Start difference. First operand has 606 places, 603 transitions, 1306 flow. Second operand 3 states and 2004 transitions. [2024-11-07 15:44:10,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 603 transitions, 1351 flow [2024-11-07 15:44:10,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 603 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:10,770 INFO L231 Difference]: Finished difference. Result has 605 places, 602 transitions, 1304 flow [2024-11-07 15:44:10,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=605, PETRI_TRANSITIONS=602} [2024-11-07 15:44:10,771 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -57 predicate places. [2024-11-07 15:44:10,772 INFO L471 AbstractCegarLoop]: Abstraction has has 605 places, 602 transitions, 1304 flow [2024-11-07 15:44:10,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:10,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:10,772 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:10,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 15:44:10,773 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:10,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:10,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1234606276, now seen corresponding path program 1 times [2024-11-07 15:44:10,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:10,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293244663] [2024-11-07 15:44:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:10,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293244663] [2024-11-07 15:44:10,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293244663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:10,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:10,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:10,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638827475] [2024-11-07 15:44:10,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:10,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:10,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:10,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:10,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:10,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-07 15:44:10,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 602 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:10,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:10,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-07 15:44:10,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:11,647 INFO L124 PetriNetUnfolderBase]: 233/7345 cut-off events. [2024-11-07 15:44:11,648 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-11-07 15:44:11,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8396 conditions, 7345 events. 233/7345 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 66902 event pairs, 76 based on Foata normal form. 0/6909 useless extension candidates. Maximal degree in co-relation 8328. Up to 266 conditions per place. [2024-11-07 15:44:11,686 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/602 dead transitions. [2024-11-07 15:44:11,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 602 transitions, 1337 flow [2024-11-07 15:44:11,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-07 15:44:11,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-07 15:44:11,688 INFO L175 Difference]: Start difference. First operand has 605 places, 602 transitions, 1304 flow. Second operand 3 states and 2014 transitions. [2024-11-07 15:44:11,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 602 transitions, 1337 flow [2024-11-07 15:44:11,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 602 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:11,693 INFO L231 Difference]: Finished difference. Result has 604 places, 601 transitions, 1302 flow [2024-11-07 15:44:11,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1302, PETRI_PLACES=604, PETRI_TRANSITIONS=601} [2024-11-07 15:44:11,694 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -58 predicate places. [2024-11-07 15:44:11,694 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 601 transitions, 1302 flow [2024-11-07 15:44:11,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:11,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:11,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:11,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 15:44:11,695 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:11,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:11,695 INFO L85 PathProgramCache]: Analyzing trace with hash -782673315, now seen corresponding path program 1 times [2024-11-07 15:44:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:11,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204526883] [2024-11-07 15:44:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:11,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:11,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204526883] [2024-11-07 15:44:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204526883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:11,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:11,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204857321] [2024-11-07 15:44:11,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:11,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:11,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:11,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:11,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-07 15:44:11,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 601 transitions, 1302 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:11,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:11,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-07 15:44:11,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:12,480 INFO L124 PetriNetUnfolderBase]: 155/6417 cut-off events. [2024-11-07 15:44:12,480 INFO L125 PetriNetUnfolderBase]: For 113/121 co-relation queries the response was YES. [2024-11-07 15:44:12,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7189 conditions, 6417 events. 155/6417 cut-off events. For 113/121 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 55278 event pairs, 32 based on Foata normal form. 0/6029 useless extension candidates. Maximal degree in co-relation 7082. Up to 185 conditions per place. [2024-11-07 15:44:12,531 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 15 selfloop transitions, 2 changer transitions 0/601 dead transitions. [2024-11-07 15:44:12,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 601 transitions, 1337 flow [2024-11-07 15:44:12,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-07 15:44:12,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-07 15:44:12,533 INFO L175 Difference]: Start difference. First operand has 604 places, 601 transitions, 1302 flow. Second operand 3 states and 2014 transitions. [2024-11-07 15:44:12,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 601 transitions, 1337 flow [2024-11-07 15:44:12,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 601 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:12,539 INFO L231 Difference]: Finished difference. Result has 603 places, 600 transitions, 1300 flow [2024-11-07 15:44:12,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1296, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1300, PETRI_PLACES=603, PETRI_TRANSITIONS=600} [2024-11-07 15:44:12,540 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -59 predicate places. [2024-11-07 15:44:12,540 INFO L471 AbstractCegarLoop]: Abstraction has has 603 places, 600 transitions, 1300 flow [2024-11-07 15:44:12,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:12,541 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:44:12,541 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:12,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 15:44:12,541 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-07 15:44:12,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:44:12,542 INFO L85 PathProgramCache]: Analyzing trace with hash -163647336, now seen corresponding path program 1 times [2024-11-07 15:44:12,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:44:12,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588317231] [2024-11-07 15:44:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:44:12,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:44:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:44:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:44:12,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:44:12,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588317231] [2024-11-07 15:44:12,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588317231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:44:12,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:44:12,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:44:12,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603284050] [2024-11-07 15:44:12,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:44:12,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:44:12,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:44:12,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:44:12,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:44:12,652 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-07 15:44:12,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 600 transitions, 1300 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:12,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:44:12,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-07 15:44:12,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:44:13,669 INFO L124 PetriNetUnfolderBase]: 175/6445 cut-off events. [2024-11-07 15:44:13,669 INFO L125 PetriNetUnfolderBase]: For 92/100 co-relation queries the response was YES. [2024-11-07 15:44:13,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7330 conditions, 6445 events. 175/6445 cut-off events. For 92/100 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 56749 event pairs, 42 based on Foata normal form. 0/6066 useless extension candidates. Maximal degree in co-relation 7248. Up to 258 conditions per place. [2024-11-07 15:44:13,717 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 0 selfloop transitions, 0 changer transitions 600/600 dead transitions. [2024-11-07 15:44:13,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 604 places, 600 transitions, 1333 flow [2024-11-07 15:44:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:44:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:44:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-07 15:44:13,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-07 15:44:13,719 INFO L175 Difference]: Start difference. First operand has 603 places, 600 transitions, 1300 flow. Second operand 3 states and 2014 transitions. [2024-11-07 15:44:13,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 604 places, 600 transitions, 1333 flow [2024-11-07 15:44:13,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 600 transitions, 1329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:44:13,724 INFO L231 Difference]: Finished difference. Result has 602 places, 0 transitions, 0 flow [2024-11-07 15:44:13,724 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1294, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=602, PETRI_TRANSITIONS=0} [2024-11-07 15:44:13,724 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -60 predicate places. [2024-11-07 15:44:13,724 INFO L471 AbstractCegarLoop]: Abstraction has has 602 places, 0 transitions, 0 flow [2024-11-07 15:44:13,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:44:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (122 of 123 remaining) [2024-11-07 15:44:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (121 of 123 remaining) [2024-11-07 15:44:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (120 of 123 remaining) [2024-11-07 15:44:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (119 of 123 remaining) [2024-11-07 15:44:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (118 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (117 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (116 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (114 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (113 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (112 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (111 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (109 of 123 remaining) [2024-11-07 15:44:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (108 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (107 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (106 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (105 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (104 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (103 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (102 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (101 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (100 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (99 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (98 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (97 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (96 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (95 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (94 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (93 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (92 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (91 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 123 remaining) [2024-11-07 15:44:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (87 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (86 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (85 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (84 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (83 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (82 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (81 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (80 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (79 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (77 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (76 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 123 remaining) [2024-11-07 15:44:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 123 remaining) [2024-11-07 15:44:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (56 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (55 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (54 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (53 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (52 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (51 of 123 remaining) [2024-11-07 15:44:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (50 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 123 remaining) [2024-11-07 15:44:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 123 remaining) [2024-11-07 15:44:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 123 remaining) [2024-11-07 15:44:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 123 remaining) [2024-11-07 15:44:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 123 remaining) [2024-11-07 15:44:13,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 123 remaining) [2024-11-07 15:44:13,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 123 remaining) [2024-11-07 15:44:13,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 15:44:13,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:44:13,742 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:44:13,743 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:44:13,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:44:13 BasicIcfg [2024-11-07 15:44:13,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:44:13,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:44:13,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:44:13,750 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:44:13,751 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48" (3/4) ... [2024-11-07 15:44:13,753 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:44:13,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:44:13,756 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:44:13,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-07 15:44:13,766 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:44:13,766 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:44:13,767 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:44:13,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:44:13,850 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:44:13,850 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:44:13,851 INFO L158 Benchmark]: Toolchain (without parser) took 27071.23ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 91.7MB in the beginning and 1.1GB in the end (delta: -969.0MB). Peak memory consumption was 607.5MB. Max. memory is 16.1GB. [2024-11-07 15:44:13,852 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:44:13,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.72ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:44:13,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:44:13,853 INFO L158 Benchmark]: Boogie Preprocessor took 70.16ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:44:13,853 INFO L158 Benchmark]: RCFGBuilder took 952.59ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 73.8MB in the end (delta: -1.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-07 15:44:13,853 INFO L158 Benchmark]: TraceAbstraction took 25680.11ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 73.3MB in the beginning and 1.1GB in the end (delta: -995.8MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. [2024-11-07 15:44:13,854 INFO L158 Benchmark]: Witness Printer took 100.09ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:44:13,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.72ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.16ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 952.59ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 73.8MB in the end (delta: -1.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * TraceAbstraction took 25680.11ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 73.3MB in the beginning and 1.1GB in the end (delta: -995.8MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. * Witness Printer took 100.09ms. Allocated memory is still 1.7GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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, 1100 locations, 123 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: 25.5s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1866 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 663 mSDsluCounter, 311 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 333 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2136 IncrementalHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 333 mSolverCounterUnsat, 311 mSDtfsCounter, 2136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1386occurred in iteration=0, InterpolantAutomatonStates: 108, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4931 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4898 ConstructedInterpolants, 0 QuantifiedInterpolants, 5303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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 73 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:44:13,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE