./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-sorted.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/popl20-more-sorted.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', '39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705'] 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/popl20-more-sorted.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 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:45:04,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:45:04,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:45:04,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:45:04,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:45:04,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:45:04,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:45:04,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:45:04,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:45:04,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:45:04,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:45:04,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:45:04,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:45:04,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:45:04,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:45:04,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:45:04,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:45:04,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:45:04,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:45:04,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:45:04,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:45:04,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:45:04,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:45:04,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:45:04,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:45:04,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:45:04,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:45:04,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:45:04,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:45:04,414 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 -> 39e987e3198040ef6af9e29359b0ab7bee89306d1945f6e4e7a9286ebbe2a705 [2024-11-07 15:45:04,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:45:04,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:45:04,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:45:04,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:45:04,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:45:04,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-07 15:45:05,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:45:06,214 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:45:06,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sorted.wvr.c [2024-11-07 15:45:06,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e30f32cd/6c1b319a675f4d4c8e0deb3eaeee8cac/FLAG63b270ce4 [2024-11-07 15:45:06,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e30f32cd/6c1b319a675f4d4c8e0deb3eaeee8cac [2024-11-07 15:45:06,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:45:06,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:45:06,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:45:06,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:45:06,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:45:06,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4b9113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06, skipping insertion in model container [2024-11-07 15:45:06,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:45:06,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:45:06,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:45:06,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:45:06,516 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:45:06,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06 WrapperNode [2024-11-07 15:45:06,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:45:06,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:45:06,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:45:06,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:45:06,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,559 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-11-07 15:45:06,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:45:06,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:45:06,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:45:06,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:45:06,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:45:06,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:45:06,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:45:06,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:45:06,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (1/1) ... [2024-11-07 15:45:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:45:06,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:45:06,632 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 15:45:06,634 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 15:45:06,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:45:06,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:45:06,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:45:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:45:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:45:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 15:45:06,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 15:45:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:45:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:45:06,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:45:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:45:06,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:45:06,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:45:06,660 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 15:45:06,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:45:06,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:45:07,232 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:45:07,232 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:45:07,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:45:07,251 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 15:45:07,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:45:07 BoogieIcfgContainer [2024-11-07 15:45:07,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:45:07,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:45:07,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:45:07,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:45:07,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:45:06" (1/3) ... [2024-11-07 15:45:07,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a31c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:45:07, skipping insertion in model container [2024-11-07 15:45:07,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:45:06" (2/3) ... [2024-11-07 15:45:07,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a31c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:45:07, skipping insertion in model container [2024-11-07 15:45:07,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:45:07" (3/3) ... [2024-11-07 15:45:07,260 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-11-07 15:45:07,271 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:45:07,272 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-11-07 15:45:07,272 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:45:07,409 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-07 15:45:07,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 339 transitions, 699 flow [2024-11-07 15:45:07,573 INFO L124 PetriNetUnfolderBase]: 17/336 cut-off events. [2024-11-07 15:45:07,575 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:45:07,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 336 events. 17/336 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 702 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 251. Up to 2 conditions per place. [2024-11-07 15:45:07,588 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 339 transitions, 699 flow [2024-11-07 15:45:07,596 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 311 places, 316 transitions, 650 flow [2024-11-07 15:45:07,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:45:07,620 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;@3bee4842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:45:07,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-07 15:45:07,628 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:45:07,628 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-07 15:45:07,628 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:45:07,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:07,630 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] [2024-11-07 15:45:07,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:07,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:07,635 INFO L85 PathProgramCache]: Analyzing trace with hash -808695391, now seen corresponding path program 1 times [2024-11-07 15:45:07,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:07,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569316462] [2024-11-07 15:45:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:07,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:07,788 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 15:45:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:07,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569316462] [2024-11-07 15:45:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569316462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:07,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:07,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:07,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722492236] [2024-11-07 15:45:07,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:07,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:07,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:07,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:07,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:07,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-07 15:45:07,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 316 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 15:45:07,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:07,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-07 15:45:07,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:08,095 INFO L124 PetriNetUnfolderBase]: 28/613 cut-off events. [2024-11-07 15:45:08,095 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-07 15:45:08,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 613 events. 28/613 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2696 event pairs, 7 based on Foata normal form. 16/524 useless extension candidates. Maximal degree in co-relation 439. Up to 31 conditions per place. [2024-11-07 15:45:08,107 INFO L140 encePairwiseOnDemand]: 329/339 looper letters, 13 selfloop transitions, 2 changer transitions 3/308 dead transitions. [2024-11-07 15:45:08,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 664 flow [2024-11-07 15:45:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-07 15:45:08,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-07 15:45:08,130 INFO L175 Difference]: Start difference. First operand has 311 places, 316 transitions, 650 flow. Second operand 3 states and 962 transitions. [2024-11-07 15:45:08,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 664 flow [2024-11-07 15:45:08,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 308 transitions, 652 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-07 15:45:08,148 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 620 flow [2024-11-07 15:45:08,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-11-07 15:45:08,156 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -5 predicate places. [2024-11-07 15:45:08,156 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 620 flow [2024-11-07 15:45:08,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 15:45:08,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:08,159 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] [2024-11-07 15:45:08,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:45:08,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:08,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:08,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1436395452, now seen corresponding path program 1 times [2024-11-07 15:45:08,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:08,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032751980] [2024-11-07 15:45:08,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:08,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:08,223 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 15:45:08,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032751980] [2024-11-07 15:45:08,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032751980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:08,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:08,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:08,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417435222] [2024-11-07 15:45:08,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:08,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:08,271 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 339 [2024-11-07 15:45:08,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 15:45:08,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:08,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 339 [2024-11-07 15:45:08,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:08,369 INFO L124 PetriNetUnfolderBase]: 19/455 cut-off events. [2024-11-07 15:45:08,369 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:45:08,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 455 events. 19/455 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1753 event pairs, 5 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 462. Up to 27 conditions per place. [2024-11-07 15:45:08,374 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-07 15:45:08,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 304 transitions, 648 flow [2024-11-07 15:45:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-07 15:45:08,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2024-11-07 15:45:08,378 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-11-07 15:45:08,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 304 transitions, 648 flow [2024-11-07 15:45:08,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 304 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:08,387 INFO L231 Difference]: Finished difference. Result has 302 places, 304 transitions, 618 flow [2024-11-07 15:45:08,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=302, PETRI_TRANSITIONS=304} [2024-11-07 15:45:08,390 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -9 predicate places. [2024-11-07 15:45:08,390 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 304 transitions, 618 flow [2024-11-07 15:45:08,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 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 15:45:08,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:08,392 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] [2024-11-07 15:45:08,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:45:08,392 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:08,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:08,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2079329439, now seen corresponding path program 1 times [2024-11-07 15:45:08,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:08,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99307494] [2024-11-07 15:45:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:08,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:08,461 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 15:45:08,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:08,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99307494] [2024-11-07 15:45:08,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99307494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:08,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:08,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:08,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920943787] [2024-11-07 15:45:08,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:08,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:08,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:08,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:08,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:08,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-07 15:45:08,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 304 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 15:45:08,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:08,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-07 15:45:08,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:08,615 INFO L124 PetriNetUnfolderBase]: 34/596 cut-off events. [2024-11-07 15:45:08,616 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-07 15:45:08,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 596 events. 34/596 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2844 event pairs, 12 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 616. Up to 46 conditions per place. [2024-11-07 15:45:08,625 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/300 dead transitions. [2024-11-07 15:45:08,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 300 transitions, 640 flow [2024-11-07 15:45:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-07 15:45:08,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-07 15:45:08,629 INFO L175 Difference]: Start difference. First operand has 302 places, 304 transitions, 618 flow. Second operand 3 states and 952 transitions. [2024-11-07 15:45:08,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 300 transitions, 640 flow [2024-11-07 15:45:08,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:08,640 INFO L231 Difference]: Finished difference. Result has 298 places, 300 transitions, 608 flow [2024-11-07 15:45:08,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=298, PETRI_TRANSITIONS=300} [2024-11-07 15:45:08,642 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -13 predicate places. [2024-11-07 15:45:08,642 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 300 transitions, 608 flow [2024-11-07 15:45:08,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 15:45:08,643 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:08,643 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:08,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:45:08,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:08,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1966449611, now seen corresponding path program 1 times [2024-11-07 15:45:08,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:08,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686860536] [2024-11-07 15:45:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:09,379 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 15:45:09,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:09,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686860536] [2024-11-07 15:45:09,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686860536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:09,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:09,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:09,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240304435] [2024-11-07 15:45:09,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:09,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:09,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:09,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:09,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:09,573 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 339 [2024-11-07 15:45:09,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 300 transitions, 608 flow. Second operand has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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 15:45:09,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:09,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 339 [2024-11-07 15:45:09,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,027 INFO L124 PetriNetUnfolderBase]: 2053/8822 cut-off events. [2024-11-07 15:45:11,027 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-07 15:45:11,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11725 conditions, 8822 events. 2053/8822 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 91934 event pairs, 1520 based on Foata normal form. 0/7237 useless extension candidates. Maximal degree in co-relation 11687. Up to 2804 conditions per place. [2024-11-07 15:45:11,110 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 38 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-11-07 15:45:11,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 299 transitions, 692 flow [2024-11-07 15:45:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1760 transitions. [2024-11-07 15:45:11,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652900688298918 [2024-11-07 15:45:11,115 INFO L175 Difference]: Start difference. First operand has 298 places, 300 transitions, 608 flow. Second operand 6 states and 1760 transitions. [2024-11-07 15:45:11,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 299 transitions, 692 flow [2024-11-07 15:45:11,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 299 transitions, 691 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:45:11,121 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 615 flow [2024-11-07 15:45:11,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-11-07 15:45:11,123 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -10 predicate places. [2024-11-07 15:45:11,124 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 615 flow [2024-11-07 15:45:11,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 287.5) internal successors, (1725), 6 states have internal predecessors, (1725), 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 15:45:11,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,126 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:11,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:45:11,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1424960186, now seen corresponding path program 1 times [2024-11-07 15:45:11,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988893215] [2024-11-07 15:45:11,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:11,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:11,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988893215] [2024-11-07 15:45:11,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988893215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:11,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:11,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:11,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397203506] [2024-11-07 15:45:11,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:11,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:11,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:11,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:11,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:11,219 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-07 15:45:11,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 15:45:11,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:11,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-07 15:45:11,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,325 INFO L124 PetriNetUnfolderBase]: 84/906 cut-off events. [2024-11-07 15:45:11,326 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-07 15:45:11,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 906 events. 84/906 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5289 event pairs, 56 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1023. Up to 112 conditions per place. [2024-11-07 15:45:11,333 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 15 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-11-07 15:45:11,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 298 transitions, 647 flow [2024-11-07 15:45:11,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-07 15:45:11,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9351032448377581 [2024-11-07 15:45:11,336 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 615 flow. Second operand 3 states and 951 transitions. [2024-11-07 15:45:11,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 298 transitions, 647 flow [2024-11-07 15:45:11,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 298 transitions, 637 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:45:11,340 INFO L231 Difference]: Finished difference. Result has 297 places, 298 transitions, 607 flow [2024-11-07 15:45:11,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=607, PETRI_PLACES=297, PETRI_TRANSITIONS=298} [2024-11-07 15:45:11,342 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -14 predicate places. [2024-11-07 15:45:11,342 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 298 transitions, 607 flow [2024-11-07 15:45:11,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 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 15:45:11,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,343 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] [2024-11-07 15:45:11,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:45:11,344 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1920678985, now seen corresponding path program 1 times [2024-11-07 15:45:11,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716959189] [2024-11-07 15:45:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:11,388 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 15:45:11,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:11,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716959189] [2024-11-07 15:45:11,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716959189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:11,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:11,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:11,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950015763] [2024-11-07 15:45:11,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:11,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:11,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:11,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:11,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:11,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-07 15:45:11,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 298 transitions, 607 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:11,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-07 15:45:11,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,472 INFO L124 PetriNetUnfolderBase]: 17/396 cut-off events. [2024-11-07 15:45:11,472 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:45:11,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 396 events. 17/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1364 event pairs, 4 based on Foata normal form. 0/346 useless extension candidates. Maximal degree in co-relation 395. Up to 24 conditions per place. [2024-11-07 15:45:11,476 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-11-07 15:45:11,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 297 transitions, 633 flow [2024-11-07 15:45:11,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-07 15:45:11,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-07 15:45:11,479 INFO L175 Difference]: Start difference. First operand has 297 places, 298 transitions, 607 flow. Second operand 3 states and 957 transitions. [2024-11-07 15:45:11,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 297 transitions, 633 flow [2024-11-07 15:45:11,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 297 transitions, 629 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:11,484 INFO L231 Difference]: Finished difference. Result has 296 places, 297 transitions, 605 flow [2024-11-07 15:45:11,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=296, PETRI_TRANSITIONS=297} [2024-11-07 15:45:11,486 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -15 predicate places. [2024-11-07 15:45:11,486 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 297 transitions, 605 flow [2024-11-07 15:45:11,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,487 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] [2024-11-07 15:45:11,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:45:11,487 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,488 INFO L85 PathProgramCache]: Analyzing trace with hash -501053886, now seen corresponding path program 1 times [2024-11-07 15:45:11,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994173080] [2024-11-07 15:45:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:11,530 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 15:45:11,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:11,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994173080] [2024-11-07 15:45:11,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994173080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:11,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:11,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:11,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506315371] [2024-11-07 15:45:11,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:11,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:11,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:11,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:11,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:11,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-07 15:45:11,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 297 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:11,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-07 15:45:11,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,664 INFO L124 PetriNetUnfolderBase]: 16/410 cut-off events. [2024-11-07 15:45:11,664 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:45:11,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 410 events. 16/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1332 event pairs, 4 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 404. Up to 21 conditions per place. [2024-11-07 15:45:11,668 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-07 15:45:11,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 296 transitions, 631 flow [2024-11-07 15:45:11,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:11,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-07 15:45:11,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-07 15:45:11,672 INFO L175 Difference]: Start difference. First operand has 296 places, 297 transitions, 605 flow. Second operand 3 states and 957 transitions. [2024-11-07 15:45:11,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 296 transitions, 631 flow [2024-11-07 15:45:11,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:11,677 INFO L231 Difference]: Finished difference. Result has 295 places, 296 transitions, 603 flow [2024-11-07 15:45:11,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=603, PETRI_PLACES=295, PETRI_TRANSITIONS=296} [2024-11-07 15:45:11,679 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -16 predicate places. [2024-11-07 15:45:11,679 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 296 transitions, 603 flow [2024-11-07 15:45:11,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,680 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,680 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] [2024-11-07 15:45:11,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:45:11,681 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1492001365, now seen corresponding path program 1 times [2024-11-07 15:45:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719501128] [2024-11-07 15:45:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:11,731 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 15:45:11,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:11,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719501128] [2024-11-07 15:45:11,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719501128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:11,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:11,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:11,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026062516] [2024-11-07 15:45:11,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:11,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:11,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:11,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 339 [2024-11-07 15:45:11,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 296 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:11,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 339 [2024-11-07 15:45:11,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,796 INFO L124 PetriNetUnfolderBase]: 12/303 cut-off events. [2024-11-07 15:45:11,796 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-07 15:45:11,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 303 events. 12/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 731 event pairs, 4 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 295. Up to 21 conditions per place. [2024-11-07 15:45:11,798 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 12 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-07 15:45:11,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 295 transitions, 629 flow [2024-11-07 15:45:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-07 15:45:11,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9410029498525073 [2024-11-07 15:45:11,801 INFO L175 Difference]: Start difference. First operand has 295 places, 296 transitions, 603 flow. Second operand 3 states and 957 transitions. [2024-11-07 15:45:11,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 295 transitions, 629 flow [2024-11-07 15:45:11,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 295 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:11,809 INFO L231 Difference]: Finished difference. Result has 294 places, 295 transitions, 601 flow [2024-11-07 15:45:11,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=294, PETRI_TRANSITIONS=295} [2024-11-07 15:45:11,810 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-07 15:45:11,810 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 295 transitions, 601 flow [2024-11-07 15:45:11,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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 15:45:11,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,811 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:11,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:45:11,812 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash -403365518, now seen corresponding path program 1 times [2024-11-07 15:45:11,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102408948] [2024-11-07 15:45:11,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:11,857 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 15:45:11,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:11,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102408948] [2024-11-07 15:45:11,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102408948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:11,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:11,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:11,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144557995] [2024-11-07 15:45:11,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:11,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:11,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:11,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-07 15:45:11,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 295 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 15:45:11,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:11,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-07 15:45:11,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:11,974 INFO L124 PetriNetUnfolderBase]: 49/747 cut-off events. [2024-11-07 15:45:11,975 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-07 15:45:11,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 747 events. 49/747 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4076 event pairs, 20 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 776. Up to 56 conditions per place. [2024-11-07 15:45:11,983 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 14 selfloop transitions, 1 changer transitions 0/291 dead transitions. [2024-11-07 15:45:11,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 291 transitions, 623 flow [2024-11-07 15:45:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-07 15:45:11,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360865290068829 [2024-11-07 15:45:11,986 INFO L175 Difference]: Start difference. First operand has 294 places, 295 transitions, 601 flow. Second operand 3 states and 952 transitions. [2024-11-07 15:45:11,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 291 transitions, 623 flow [2024-11-07 15:45:11,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 291 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:11,991 INFO L231 Difference]: Finished difference. Result has 290 places, 291 transitions, 591 flow [2024-11-07 15:45:11,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=290, PETRI_TRANSITIONS=291} [2024-11-07 15:45:11,993 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-07 15:45:11,993 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 291 transitions, 591 flow [2024-11-07 15:45:11,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 15:45:11,994 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:11,994 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:11,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:45:11,994 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:11,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:11,995 INFO L85 PathProgramCache]: Analyzing trace with hash -80520043, now seen corresponding path program 1 times [2024-11-07 15:45:11,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:11,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509211747] [2024-11-07 15:45:11,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:11,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:12,052 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 15:45:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:12,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509211747] [2024-11-07 15:45:12,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509211747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:12,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:12,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:12,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159843760] [2024-11-07 15:45:12,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:12,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:12,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:12,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:12,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:12,070 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:12,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 291 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 15:45:12,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:12,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:12,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:12,120 INFO L124 PetriNetUnfolderBase]: 19/388 cut-off events. [2024-11-07 15:45:12,120 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:45:12,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 388 events. 19/388 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1359 event pairs, 2 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 391. Up to 14 conditions per place. [2024-11-07 15:45:12,123 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-07 15:45:12,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 291 transitions, 621 flow [2024-11-07 15:45:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-07 15:45:12,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-07 15:45:12,140 INFO L175 Difference]: Start difference. First operand has 290 places, 291 transitions, 591 flow. Second operand 3 states and 964 transitions. [2024-11-07 15:45:12,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 291 transitions, 621 flow [2024-11-07 15:45:12,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:45:12,145 INFO L231 Difference]: Finished difference. Result has 289 places, 289 transitions, 592 flow [2024-11-07 15:45:12,145 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=289, PETRI_TRANSITIONS=289} [2024-11-07 15:45:12,147 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -22 predicate places. [2024-11-07 15:45:12,147 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 289 transitions, 592 flow [2024-11-07 15:45:12,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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 15:45:12,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:12,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:12,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:45:12,148 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:12,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1137513529, now seen corresponding path program 1 times [2024-11-07 15:45:12,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:12,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753712036] [2024-11-07 15:45:12,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:12,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:12,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:12,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753712036] [2024-11-07 15:45:12,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753712036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:12,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:12,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:12,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251104497] [2024-11-07 15:45:12,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:12,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:12,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:12,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:12,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:12,229 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-07 15:45:12,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 289 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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 15:45:12,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:12,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-07 15:45:12,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:12,637 INFO L124 PetriNetUnfolderBase]: 460/3169 cut-off events. [2024-11-07 15:45:12,637 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-07 15:45:12,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3819 conditions, 3169 events. 460/3169 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 28112 event pairs, 172 based on Foata normal form. 0/2737 useless extension candidates. Maximal degree in co-relation 3781. Up to 577 conditions per place. [2024-11-07 15:45:12,661 INFO L140 encePairwiseOnDemand]: 330/339 looper letters, 24 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-11-07 15:45:12,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 655 flow [2024-11-07 15:45:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 948 transitions. [2024-11-07 15:45:12,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9321533923303835 [2024-11-07 15:45:12,664 INFO L175 Difference]: Start difference. First operand has 289 places, 289 transitions, 592 flow. Second operand 3 states and 948 transitions. [2024-11-07 15:45:12,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 655 flow [2024-11-07 15:45:12,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:12,673 INFO L231 Difference]: Finished difference. Result has 284 places, 286 transitions, 595 flow [2024-11-07 15:45:12,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=595, PETRI_PLACES=284, PETRI_TRANSITIONS=286} [2024-11-07 15:45:12,676 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-07 15:45:12,677 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 286 transitions, 595 flow [2024-11-07 15:45:12,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 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 15:45:12,677 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:12,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:12,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:45:12,678 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:12,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:12,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1075872973, now seen corresponding path program 1 times [2024-11-07 15:45:12,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:12,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643808108] [2024-11-07 15:45:12,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:12,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:12,725 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 15:45:12,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:12,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643808108] [2024-11-07 15:45:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643808108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:12,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:12,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:12,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102685862] [2024-11-07 15:45:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:12,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:12,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:12,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:12,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:12,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 286 transitions, 595 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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 15:45:12,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:12,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:12,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:12,899 INFO L124 PetriNetUnfolderBase]: 73/842 cut-off events. [2024-11-07 15:45:12,900 INFO L125 PetriNetUnfolderBase]: For 16/42 co-relation queries the response was YES. [2024-11-07 15:45:12,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 842 events. 73/842 cut-off events. For 16/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4428 event pairs, 6 based on Foata normal form. 2/753 useless extension candidates. Maximal degree in co-relation 931. Up to 40 conditions per place. [2024-11-07 15:45:12,913 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-11-07 15:45:12,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 286 transitions, 625 flow [2024-11-07 15:45:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-07 15:45:12,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-07 15:45:12,916 INFO L175 Difference]: Start difference. First operand has 284 places, 286 transitions, 595 flow. Second operand 3 states and 964 transitions. [2024-11-07 15:45:12,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 286 transitions, 625 flow [2024-11-07 15:45:12,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:45:12,923 INFO L231 Difference]: Finished difference. Result has 284 places, 284 transitions, 597 flow [2024-11-07 15:45:12,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=284, PETRI_TRANSITIONS=284} [2024-11-07 15:45:12,926 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2024-11-07 15:45:12,926 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 284 transitions, 597 flow [2024-11-07 15:45:12,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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 15:45:12,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:12,927 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:12,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:45:12,927 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:12,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:12,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2065179203, now seen corresponding path program 1 times [2024-11-07 15:45:12,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:12,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696874764] [2024-11-07 15:45:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:12,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:12,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:12,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696874764] [2024-11-07 15:45:12,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696874764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:12,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:12,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:12,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330269367] [2024-11-07 15:45:12,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:12,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:12,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:12,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:12,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:13,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:13,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 284 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 15:45:13,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:13,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:13,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:13,151 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][265], [Black: 368#true, 370#(= |#race~A~0| 0), 372#true, 244#L89true, 343#(= |#race~N~0| 0), 364#(= |#race~M~0| 0), 375#true]) [2024-11-07 15:45:13,152 INFO L294 olderBase$Statistics]: this new event has 245 ancestors and is cut-off event [2024-11-07 15:45:13,152 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-07 15:45:13,152 INFO L297 olderBase$Statistics]: existing Event has 175 ancestors and is cut-off event [2024-11-07 15:45:13,152 INFO L297 olderBase$Statistics]: existing Event has 210 ancestors and is cut-off event [2024-11-07 15:45:13,152 INFO L124 PetriNetUnfolderBase]: 65/761 cut-off events. [2024-11-07 15:45:13,152 INFO L125 PetriNetUnfolderBase]: For 8/46 co-relation queries the response was YES. [2024-11-07 15:45:13,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 761 events. 65/761 cut-off events. For 8/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3663 event pairs, 13 based on Foata normal form. 5/694 useless extension candidates. Maximal degree in co-relation 871. Up to 52 conditions per place. [2024-11-07 15:45:13,165 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-07 15:45:13,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 285 transitions, 631 flow [2024-11-07 15:45:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:13,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-07 15:45:13,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-07 15:45:13,168 INFO L175 Difference]: Start difference. First operand has 284 places, 284 transitions, 597 flow. Second operand 3 states and 964 transitions. [2024-11-07 15:45:13,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 285 transitions, 631 flow [2024-11-07 15:45:13,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:13,175 INFO L231 Difference]: Finished difference. Result has 283 places, 283 transitions, 593 flow [2024-11-07 15:45:13,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=283, PETRI_TRANSITIONS=283} [2024-11-07 15:45:13,176 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -28 predicate places. [2024-11-07 15:45:13,176 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 283 transitions, 593 flow [2024-11-07 15:45:13,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 15:45:13,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:13,177 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:13,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:45:13,178 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:13,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1128922688, now seen corresponding path program 1 times [2024-11-07 15:45:13,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:13,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221716411] [2024-11-07 15:45:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:13,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:13,360 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 15:45:13,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221716411] [2024-11-07 15:45:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221716411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:13,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 15:45:13,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416252618] [2024-11-07 15:45:13,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:13,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 15:45:13,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:13,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 15:45:13,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 15:45:13,603 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:13,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 283 transitions, 593 flow. Second operand has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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 15:45:13,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:13,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:13,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:13,901 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([909] thread3EXIT-->L89: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][293], [378#true, Black: 368#true, 370#(= |#race~A~0| 0), 244#L89true, 343#(= |#race~N~0| 0), 375#true, 364#(= |#race~M~0| 0)]) [2024-11-07 15:45:13,901 INFO L294 olderBase$Statistics]: this new event has 260 ancestors and is cut-off event [2024-11-07 15:45:13,901 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-07 15:45:13,901 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2024-11-07 15:45:13,901 INFO L297 olderBase$Statistics]: existing Event has 190 ancestors and is cut-off event [2024-11-07 15:45:13,901 INFO L124 PetriNetUnfolderBase]: 95/1385 cut-off events. [2024-11-07 15:45:13,901 INFO L125 PetriNetUnfolderBase]: For 11/40 co-relation queries the response was YES. [2024-11-07 15:45:13,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1385 events. 95/1385 cut-off events. For 11/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8646 event pairs, 18 based on Foata normal form. 4/1259 useless extension candidates. Maximal degree in co-relation 1560. Up to 67 conditions per place. [2024-11-07 15:45:13,920 INFO L140 encePairwiseOnDemand]: 326/339 looper letters, 22 selfloop transitions, 14 changer transitions 0/298 dead transitions. [2024-11-07 15:45:13,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 298 transitions, 703 flow [2024-11-07 15:45:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 15:45:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 15:45:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3127 transitions. [2024-11-07 15:45:13,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224188790560472 [2024-11-07 15:45:13,928 INFO L175 Difference]: Start difference. First operand has 283 places, 283 transitions, 593 flow. Second operand 10 states and 3127 transitions. [2024-11-07 15:45:13,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 298 transitions, 703 flow [2024-11-07 15:45:13,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 298 transitions, 699 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:13,933 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 655 flow [2024-11-07 15:45:13,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=655, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-11-07 15:45:13,934 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-07 15:45:13,934 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 655 flow [2024-11-07 15:45:13,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 310.85714285714283) internal successors, (2176), 7 states have internal predecessors, (2176), 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 15:45:13,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:13,935 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:13,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:45:13,936 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:13,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:13,936 INFO L85 PathProgramCache]: Analyzing trace with hash 298348699, now seen corresponding path program 1 times [2024-11-07 15:45:13,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:13,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067615591] [2024-11-07 15:45:13,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:13,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:13,973 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 15:45:13,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067615591] [2024-11-07 15:45:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067615591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:13,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:13,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:13,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349745062] [2024-11-07 15:45:13,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:13,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:13,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:13,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:13,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:13,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:13,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 15:45:13,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:13,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:13,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:14,203 INFO L124 PetriNetUnfolderBase]: 145/1650 cut-off events. [2024-11-07 15:45:14,204 INFO L125 PetriNetUnfolderBase]: For 53/108 co-relation queries the response was YES. [2024-11-07 15:45:14,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1959 conditions, 1650 events. 145/1650 cut-off events. For 53/108 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10800 event pairs, 29 based on Foata normal form. 0/1496 useless extension candidates. Maximal degree in co-relation 1913. Up to 120 conditions per place. [2024-11-07 15:45:14,223 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-07 15:45:14,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 689 flow [2024-11-07 15:45:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-07 15:45:14,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478859390363815 [2024-11-07 15:45:14,226 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 655 flow. Second operand 3 states and 964 transitions. [2024-11-07 15:45:14,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 689 flow [2024-11-07 15:45:14,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 685 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:45:14,232 INFO L231 Difference]: Finished difference. Result has 294 places, 289 transitions, 653 flow [2024-11-07 15:45:14,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=294, PETRI_TRANSITIONS=289} [2024-11-07 15:45:14,234 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -17 predicate places. [2024-11-07 15:45:14,234 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 289 transitions, 653 flow [2024-11-07 15:45:14,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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 15:45:14,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:14,235 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] [2024-11-07 15:45:14,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:45:14,236 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1856901994, now seen corresponding path program 1 times [2024-11-07 15:45:14,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:14,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574683511] [2024-11-07 15:45:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:14,282 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 15:45:14,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:14,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574683511] [2024-11-07 15:45:14,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574683511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:14,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:14,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:14,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292183184] [2024-11-07 15:45:14,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:14,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:14,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:14,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:14,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:14,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:14,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 289 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 15:45:14,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:14,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:14,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:14,429 INFO L124 PetriNetUnfolderBase]: 119/1101 cut-off events. [2024-11-07 15:45:14,430 INFO L125 PetriNetUnfolderBase]: For 58/89 co-relation queries the response was YES. [2024-11-07 15:45:14,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 1101 events. 119/1101 cut-off events. For 58/89 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6223 event pairs, 11 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 1306. Up to 79 conditions per place. [2024-11-07 15:45:14,440 INFO L140 encePairwiseOnDemand]: 334/339 looper letters, 9 selfloop transitions, 2 changer transitions 8/289 dead transitions. [2024-11-07 15:45:14,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 289 transitions, 681 flow [2024-11-07 15:45:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-07 15:45:14,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9469026548672567 [2024-11-07 15:45:14,443 INFO L175 Difference]: Start difference. First operand has 294 places, 289 transitions, 653 flow. Second operand 3 states and 963 transitions. [2024-11-07 15:45:14,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 289 transitions, 681 flow [2024-11-07 15:45:14,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 289 transitions, 677 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:14,449 INFO L231 Difference]: Finished difference. Result has 292 places, 279 transitions, 632 flow [2024-11-07 15:45:14,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=292, PETRI_TRANSITIONS=279} [2024-11-07 15:45:14,450 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -19 predicate places. [2024-11-07 15:45:14,450 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 279 transitions, 632 flow [2024-11-07 15:45:14,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 15:45:14,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:14,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:14,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:45:14,451 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:14,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:14,452 INFO L85 PathProgramCache]: Analyzing trace with hash -280137186, now seen corresponding path program 1 times [2024-11-07 15:45:14,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:14,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556739316] [2024-11-07 15:45:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:14,562 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 15:45:14,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:14,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556739316] [2024-11-07 15:45:14,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556739316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:14,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:14,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:14,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728650737] [2024-11-07 15:45:14,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:14,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:45:14,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:14,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:45:14,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 15:45:14,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 339 [2024-11-07 15:45:14,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 279 transitions, 632 flow. Second operand has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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 15:45:14,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:14,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 339 [2024-11-07 15:45:14,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:14,836 INFO L124 PetriNetUnfolderBase]: 133/1669 cut-off events. [2024-11-07 15:45:14,836 INFO L125 PetriNetUnfolderBase]: For 60/70 co-relation queries the response was YES. [2024-11-07 15:45:14,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 1669 events. 133/1669 cut-off events. For 60/70 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 11162 event pairs, 40 based on Foata normal form. 8/1543 useless extension candidates. Maximal degree in co-relation 1968. Up to 114 conditions per place. [2024-11-07 15:45:14,857 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 22 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2024-11-07 15:45:14,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 289 transitions, 713 flow [2024-11-07 15:45:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:45:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 15:45:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1583 transitions. [2024-11-07 15:45:14,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9339233038348083 [2024-11-07 15:45:14,861 INFO L175 Difference]: Start difference. First operand has 292 places, 279 transitions, 632 flow. Second operand 5 states and 1583 transitions. [2024-11-07 15:45:14,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 289 transitions, 713 flow [2024-11-07 15:45:14,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 709 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:14,866 INFO L231 Difference]: Finished difference. Result has 288 places, 281 transitions, 653 flow [2024-11-07 15:45:14,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=653, PETRI_PLACES=288, PETRI_TRANSITIONS=281} [2024-11-07 15:45:14,867 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -23 predicate places. [2024-11-07 15:45:14,867 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 281 transitions, 653 flow [2024-11-07 15:45:14,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 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 15:45:14,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:14,868 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 15:45:14,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:45:14,868 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:14,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1546674034, now seen corresponding path program 1 times [2024-11-07 15:45:14,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:14,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44990500] [2024-11-07 15:45:14,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:14,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:14,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44990500] [2024-11-07 15:45:14,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44990500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:14,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:45:14,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079065757] [2024-11-07 15:45:14,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:14,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:45:14,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:14,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:45:14,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:45:14,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 339 [2024-11-07 15:45:14,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 281 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 15:45:14,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:14,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 339 [2024-11-07 15:45:14,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:15,137 INFO L124 PetriNetUnfolderBase]: 233/1746 cut-off events. [2024-11-07 15:45:15,137 INFO L125 PetriNetUnfolderBase]: For 147/218 co-relation queries the response was YES. [2024-11-07 15:45:15,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1746 events. 233/1746 cut-off events. For 147/218 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 12167 event pairs, 56 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 2196. Up to 235 conditions per place. [2024-11-07 15:45:15,157 INFO L140 encePairwiseOnDemand]: 336/339 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-07 15:45:15,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 683 flow [2024-11-07 15:45:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:45:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:45:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2024-11-07 15:45:15,160 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9459193706981318 [2024-11-07 15:45:15,161 INFO L175 Difference]: Start difference. First operand has 288 places, 281 transitions, 653 flow. Second operand 3 states and 962 transitions. [2024-11-07 15:45:15,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 683 flow [2024-11-07 15:45:15,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:15,165 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 650 flow [2024-11-07 15:45:15,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2024-11-07 15:45:15,166 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -24 predicate places. [2024-11-07 15:45:15,166 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 650 flow [2024-11-07 15:45:15,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 15:45:15,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:15,167 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] [2024-11-07 15:45:15,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:45:15,167 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:15,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash -218885246, now seen corresponding path program 1 times [2024-11-07 15:45:15,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:15,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140494938] [2024-11-07 15:45:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:15,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:15,532 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 15:45:15,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:15,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140494938] [2024-11-07 15:45:15,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140494938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:15,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:15,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:15,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143535549] [2024-11-07 15:45:15,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:15,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:15,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:15,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:15,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:15,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:15,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 15:45:15,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:15,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:15,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:16,129 INFO L124 PetriNetUnfolderBase]: 151/1753 cut-off events. [2024-11-07 15:45:16,129 INFO L125 PetriNetUnfolderBase]: For 141/150 co-relation queries the response was YES. [2024-11-07 15:45:16,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 1753 events. 151/1753 cut-off events. For 141/150 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11812 event pairs, 37 based on Foata normal form. 0/1636 useless extension candidates. Maximal degree in co-relation 2170. Up to 142 conditions per place. [2024-11-07 15:45:16,144 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-07 15:45:16,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 288 transitions, 734 flow [2024-11-07 15:45:16,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:16,149 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:16,149 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 650 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:16,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 288 transitions, 734 flow [2024-11-07 15:45:16,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 288 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:16,154 INFO L231 Difference]: Finished difference. Result has 290 places, 280 transitions, 660 flow [2024-11-07 15:45:16,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=660, PETRI_PLACES=290, PETRI_TRANSITIONS=280} [2024-11-07 15:45:16,155 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-07 15:45:16,155 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 280 transitions, 660 flow [2024-11-07 15:45:16,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 15:45:16,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:16,157 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 15:45:16,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:45:16,157 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:16,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash -738393419, now seen corresponding path program 1 times [2024-11-07 15:45:16,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:16,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661020699] [2024-11-07 15:45:16,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:16,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:16,501 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 15:45:16,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:16,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661020699] [2024-11-07 15:45:16,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661020699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:16,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:16,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:16,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194790672] [2024-11-07 15:45:16,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:16,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:16,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:16,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:16,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:16,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:16,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 280 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 15:45:16,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:16,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:16,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:17,109 INFO L124 PetriNetUnfolderBase]: 232/1738 cut-off events. [2024-11-07 15:45:17,109 INFO L125 PetriNetUnfolderBase]: For 147/268 co-relation queries the response was YES. [2024-11-07 15:45:17,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2276 conditions, 1738 events. 232/1738 cut-off events. For 147/268 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12186 event pairs, 52 based on Foata normal form. 4/1628 useless extension candidates. Maximal degree in co-relation 2227. Up to 219 conditions per place. [2024-11-07 15:45:17,129 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2024-11-07 15:45:17,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 288 transitions, 740 flow [2024-11-07 15:45:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:17,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:17,135 INFO L175 Difference]: Start difference. First operand has 290 places, 280 transitions, 660 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:17,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 288 transitions, 740 flow [2024-11-07 15:45:17,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 288 transitions, 732 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 15:45:17,140 INFO L231 Difference]: Finished difference. Result has 291 places, 280 transitions, 666 flow [2024-11-07 15:45:17,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=666, PETRI_PLACES=291, PETRI_TRANSITIONS=280} [2024-11-07 15:45:17,140 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -20 predicate places. [2024-11-07 15:45:17,140 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 280 transitions, 666 flow [2024-11-07 15:45:17,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 15:45:17,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:17,141 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] [2024-11-07 15:45:17,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:45:17,142 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:17,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:17,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1502202117, now seen corresponding path program 1 times [2024-11-07 15:45:17,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:17,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676234641] [2024-11-07 15:45:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:17,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:17,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676234641] [2024-11-07 15:45:17,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676234641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:45:17,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574740567] [2024-11-07 15:45:17,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:17,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:45:17,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:45:17,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:45:17,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 15:45:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:17,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 15:45:17,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:45:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:17,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:45:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:45:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574740567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:45:18,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:45:18,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-07 15:45:18,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908390061] [2024-11-07 15:45:18,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:45:18,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 15:45:18,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:18,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 15:45:18,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-11-07 15:45:18,562 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 339 [2024-11-07 15:45:18,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 280 transitions, 666 flow. Second operand has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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 15:45:18,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:18,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 339 [2024-11-07 15:45:18,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:19,171 INFO L124 PetriNetUnfolderBase]: 208/3310 cut-off events. [2024-11-07 15:45:19,171 INFO L125 PetriNetUnfolderBase]: For 94/118 co-relation queries the response was YES. [2024-11-07 15:45:19,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4128 conditions, 3310 events. 208/3310 cut-off events. For 94/118 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 28074 event pairs, 35 based on Foata normal form. 9/3136 useless extension candidates. Maximal degree in co-relation 4077. Up to 108 conditions per place. [2024-11-07 15:45:19,239 INFO L140 encePairwiseOnDemand]: 322/339 looper letters, 26 selfloop transitions, 27 changer transitions 0/302 dead transitions. [2024-11-07 15:45:19,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 302 transitions, 838 flow [2024-11-07 15:45:19,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 15:45:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-07 15:45:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4930 transitions. [2024-11-07 15:45:19,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9089233038348082 [2024-11-07 15:45:19,248 INFO L175 Difference]: Start difference. First operand has 291 places, 280 transitions, 666 flow. Second operand 16 states and 4930 transitions. [2024-11-07 15:45:19,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 302 transitions, 838 flow [2024-11-07 15:45:19,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 830 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 15:45:19,255 INFO L231 Difference]: Finished difference. Result has 310 places, 291 transitions, 797 flow [2024-11-07 15:45:19,256 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=797, PETRI_PLACES=310, PETRI_TRANSITIONS=291} [2024-11-07 15:45:19,256 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -1 predicate places. [2024-11-07 15:45:19,256 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 291 transitions, 797 flow [2024-11-07 15:45:19,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 306.89473684210526) internal successors, (5831), 19 states have internal predecessors, (5831), 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 15:45:19,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:19,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:19,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 15:45:19,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:45:19,459 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:19,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:19,460 INFO L85 PathProgramCache]: Analyzing trace with hash -636323606, now seen corresponding path program 1 times [2024-11-07 15:45:19,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:19,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108753414] [2024-11-07 15:45:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:19,799 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 15:45:19,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:19,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108753414] [2024-11-07 15:45:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108753414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:19,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142783042] [2024-11-07 15:45:19,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:19,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:19,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:19,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:19,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:20,163 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:20,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 291 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 15:45:20,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:20,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:20,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:20,548 INFO L124 PetriNetUnfolderBase]: 198/2471 cut-off events. [2024-11-07 15:45:20,548 INFO L125 PetriNetUnfolderBase]: For 285/294 co-relation queries the response was YES. [2024-11-07 15:45:20,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 2471 events. 198/2471 cut-off events. For 285/294 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18739 event pairs, 51 based on Foata normal form. 0/2341 useless extension candidates. Maximal degree in co-relation 3195. Up to 196 conditions per place. [2024-11-07 15:45:20,575 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 25 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-07 15:45:20,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 298 transitions, 879 flow [2024-11-07 15:45:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:20,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:20,580 INFO L175 Difference]: Start difference. First operand has 310 places, 291 transitions, 797 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:20,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 298 transitions, 879 flow [2024-11-07 15:45:20,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 298 transitions, 862 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-11-07 15:45:20,587 INFO L231 Difference]: Finished difference. Result has 312 places, 290 transitions, 788 flow [2024-11-07 15:45:20,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=312, PETRI_TRANSITIONS=290} [2024-11-07 15:45:20,588 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 1 predicate places. [2024-11-07 15:45:20,588 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 290 transitions, 788 flow [2024-11-07 15:45:20,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 15:45:20,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:20,590 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 15:45:20,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:45:20,590 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:20,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:20,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1931194269, now seen corresponding path program 1 times [2024-11-07 15:45:20,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:20,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072349322] [2024-11-07 15:45:20,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:20,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:20,943 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 15:45:20,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:20,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072349322] [2024-11-07 15:45:20,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072349322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:20,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:20,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764588690] [2024-11-07 15:45:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:20,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:21,293 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:21,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 290 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 15:45:21,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:21,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:21,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:21,608 INFO L124 PetriNetUnfolderBase]: 310/2227 cut-off events. [2024-11-07 15:45:21,608 INFO L125 PetriNetUnfolderBase]: For 335/504 co-relation queries the response was YES. [2024-11-07 15:45:21,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 2227 events. 310/2227 cut-off events. For 335/504 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 16454 event pairs, 75 based on Foata normal form. 20/2123 useless extension candidates. Maximal degree in co-relation 3081. Up to 307 conditions per place. [2024-11-07 15:45:21,625 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 13/297 dead transitions. [2024-11-07 15:45:21,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 297 transitions, 866 flow [2024-11-07 15:45:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:21,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:21,628 INFO L175 Difference]: Start difference. First operand has 312 places, 290 transitions, 788 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:21,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 297 transitions, 866 flow [2024-11-07 15:45:21,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 297 transitions, 854 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-07 15:45:21,634 INFO L231 Difference]: Finished difference. Result has 311 places, 276 transitions, 694 flow [2024-11-07 15:45:21,635 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=694, PETRI_PLACES=311, PETRI_TRANSITIONS=276} [2024-11-07 15:45:21,635 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, 0 predicate places. [2024-11-07 15:45:21,635 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 276 transitions, 694 flow [2024-11-07 15:45:21,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 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 15:45:21,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:21,636 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:21,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:45:21,637 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:21,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1277161248, now seen corresponding path program 2 times [2024-11-07 15:45:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417703694] [2024-11-07 15:45:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 15:45:21,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:21,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417703694] [2024-11-07 15:45:21,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417703694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:21,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:21,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:21,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335176366] [2024-11-07 15:45:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:21,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:21,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:21,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:21,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:22,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:22,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 276 transitions, 694 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 15:45:22,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:22,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:22,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:22,431 INFO L124 PetriNetUnfolderBase]: 96/1255 cut-off events. [2024-11-07 15:45:22,431 INFO L125 PetriNetUnfolderBase]: For 40/64 co-relation queries the response was YES. [2024-11-07 15:45:22,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1255 events. 96/1255 cut-off events. For 40/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 21 based on Foata normal form. 8/1214 useless extension candidates. Maximal degree in co-relation 1656. Up to 88 conditions per place. [2024-11-07 15:45:22,443 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 23 selfloop transitions, 5 changer transitions 0/284 dead transitions. [2024-11-07 15:45:22,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 284 transitions, 774 flow [2024-11-07 15:45:22,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:22,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:22,446 INFO L175 Difference]: Start difference. First operand has 311 places, 276 transitions, 694 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:22,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 284 transitions, 774 flow [2024-11-07 15:45:22,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 722 flow, removed 4 selfloop flow, removed 18 redundant places. [2024-11-07 15:45:22,451 INFO L231 Difference]: Finished difference. Result has 290 places, 276 transitions, 656 flow [2024-11-07 15:45:22,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=656, PETRI_PLACES=290, PETRI_TRANSITIONS=276} [2024-11-07 15:45:22,452 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-07 15:45:22,452 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 276 transitions, 656 flow [2024-11-07 15:45:22,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 15:45:22,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:45:22,454 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:45:22,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 15:45:22,454 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-07 15:45:22,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:45:22,454 INFO L85 PathProgramCache]: Analyzing trace with hash -296542840, now seen corresponding path program 1 times [2024-11-07 15:45:22,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:45:22,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842269508] [2024-11-07 15:45:22,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:45:22,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:45:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:45:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 15:45:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:45:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842269508] [2024-11-07 15:45:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842269508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:45:22,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:45:22,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:45:22,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273529372] [2024-11-07 15:45:22,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:45:22,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:45:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:45:22,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:45:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:45:23,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2024-11-07 15:45:23,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 276 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 15:45:23,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:45:23,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2024-11-07 15:45:23,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:45:23,334 INFO L124 PetriNetUnfolderBase]: 96/1249 cut-off events. [2024-11-07 15:45:23,334 INFO L125 PetriNetUnfolderBase]: For 33/57 co-relation queries the response was YES. [2024-11-07 15:45:23,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 1249 events. 96/1249 cut-off events. For 33/57 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7346 event pairs, 21 based on Foata normal form. 8/1202 useless extension candidates. Maximal degree in co-relation 1603. Up to 88 conditions per place. [2024-11-07 15:45:23,346 INFO L140 encePairwiseOnDemand]: 333/339 looper letters, 0 selfloop transitions, 0 changer transitions 283/283 dead transitions. [2024-11-07 15:45:23,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 283 transitions, 734 flow [2024-11-07 15:45:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:45:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:45:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1883 transitions. [2024-11-07 15:45:23,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257620452310718 [2024-11-07 15:45:23,348 INFO L175 Difference]: Start difference. First operand has 290 places, 276 transitions, 656 flow. Second operand 6 states and 1883 transitions. [2024-11-07 15:45:23,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 283 transitions, 734 flow [2024-11-07 15:45:23,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 283 transitions, 726 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 15:45:23,352 INFO L231 Difference]: Finished difference. Result has 290 places, 0 transitions, 0 flow [2024-11-07 15:45:23,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=290, PETRI_TRANSITIONS=0} [2024-11-07 15:45:23,353 INFO L277 CegarLoopForPetriNet]: 311 programPoint places, -21 predicate places. [2024-11-07 15:45:23,353 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 0 transitions, 0 flow [2024-11-07 15:45:23,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 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 15:45:23,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2024-11-07 15:45:23,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-07 15:45:23,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-07 15:45:23,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-07 15:45:23,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-07 15:45:23,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-07 15:45:23,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-07 15:45:23,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-07 15:45:23,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-07 15:45:23,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-07 15:45:23,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-07 15:45:23,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 15:45:23,361 INFO L407 BasicCegarLoop]: Path program histogram: [2, 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 15:45:23,366 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:45:23,366 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:45:23,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:45:23 BasicIcfg [2024-11-07 15:45:23,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:45:23,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:45:23,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:45:23,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:45:23,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:45:07" (3/4) ... [2024-11-07 15:45:23,375 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:45:23,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:45:23,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:45:23,378 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-07 15:45:23,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-07 15:45:23,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:45:23,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:45:23,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:45:23,465 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:45:23,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:45:23,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:45:23,467 INFO L158 Benchmark]: Toolchain (without parser) took 17217.58ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 91.9MB in the beginning and 493.2MB in the end (delta: -401.3MB). Peak memory consumption was 248.3MB. Max. memory is 16.1GB. [2024-11-07 15:45:23,467 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.02ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.69ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: Boogie Preprocessor took 31.38ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: RCFGBuilder took 657.80ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 48.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: TraceAbstraction took 16119.18ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 47.8MB in the beginning and 497.4MB in the end (delta: -449.6MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. [2024-11-07 15:45:23,468 INFO L158 Benchmark]: Witness Printer took 92.88ms. Allocated memory is still 771.8MB. Free memory was 497.4MB in the beginning and 493.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:45:23,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.02ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.69ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.38ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 657.80ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 48.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16119.18ms. Allocated memory was 117.4MB in the beginning and 771.8MB in the end (delta: 654.3MB). Free memory was 47.8MB in the beginning and 497.4MB in the end (delta: -449.6MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. * Witness Printer took 92.88ms. Allocated memory is still 771.8MB. Free memory was 497.4MB in the beginning and 493.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 56]: 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: 56]: 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: 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: 63]: 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: 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: 74]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 91]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 473 locations, 61 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: 15.9s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2585 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1575 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1211 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4285 IncrementalHoareTripleChecker+Invalid, 4872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 210 mSDtfsCounter, 4285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=21, InterpolantAutomatonStates: 118, 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, 4.0s InterpolantComputationTime, 2631 NumberOfCodeBlocks, 2631 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2733 ConstructedInterpolants, 0 QuantifiedInterpolants, 4644 SizeOfPredicates, 7 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 27 InterpolantComputations, 24 PerfectInterpolantSequences, 34/37 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:45:23,497 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