./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/weaver/parallel-misc-2.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', 'c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-2.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 c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:43:45,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:43:46,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:43:46,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:43:46,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:43:46,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:43:46,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:43:46,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:43:46,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:43:46,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:43:46,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:43:46,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:43:46,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:43:46,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:43:46,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:43:46,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:43:46,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:46,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:43:46,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:43:46,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:43:46,046 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 -> c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf [2024-11-07 15:43:46,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:43:46,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:43:46,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:43:46,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:43:46,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:43:46,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-07 15:43:47,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:43:47,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:43:47,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-07 15:43:47,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76ed23863/6f6a411703cd4ab9bdeb185086cb8db6/FLAG1d6cd9eda [2024-11-07 15:43:47,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/76ed23863/6f6a411703cd4ab9bdeb185086cb8db6 [2024-11-07 15:43:47,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:43:47,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:43:47,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:47,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:43:47,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:43:47,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:47" (1/1) ... [2024-11-07 15:43:47,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52489fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:47, skipping insertion in model container [2024-11-07 15:43:47,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:47" (1/1) ... [2024-11-07 15:43:47,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:43:48,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:48,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:43:48,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:48,097 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:43:48,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48 WrapperNode [2024-11-07 15:43:48,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:48,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:48,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:43:48,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:43:48,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,117 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2024-11-07 15:43:48,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:48,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:43:48,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:43:48,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:43:48,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:43:48,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:43:48,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:43:48,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:43:48,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (1/1) ... [2024-11-07 15:43:48,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:48,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:43:48,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:43:48,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:43:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:43:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:43:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:43:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:43:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:43:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:43:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:43:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:43:48,186 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:43:48,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:43:48,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:43:48,463 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:43:48,463 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:43:48,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:43:48,482 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 15:43:48,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48 BoogieIcfgContainer [2024-11-07 15:43:48,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:43:48,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:43:48,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:43:48,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:43:48,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:43:47" (1/3) ... [2024-11-07 15:43:48,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228136b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:48, skipping insertion in model container [2024-11-07 15:43:48,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:48" (2/3) ... [2024-11-07 15:43:48,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228136b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:48, skipping insertion in model container [2024-11-07 15:43:48,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48" (3/3) ... [2024-11-07 15:43:48,490 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-11-07 15:43:48,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:43:48,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-07 15:43:48,502 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:43:48,578 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 15:43:48,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 192 transitions, 398 flow [2024-11-07 15:43:48,705 INFO L124 PetriNetUnfolderBase]: 9/190 cut-off events. [2024-11-07 15:43:48,708 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:48,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 190 events. 9/190 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 272 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2024-11-07 15:43:48,715 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 192 transitions, 398 flow [2024-11-07 15:43:48,719 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 173 transitions, 355 flow [2024-11-07 15:43:48,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:43:48,736 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;@57d9d1f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:43:48,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-07 15:43:48,747 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:43:48,748 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-07 15:43:48,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:43:48,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:48,749 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] [2024-11-07 15:43:48,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:48,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:48,755 INFO L85 PathProgramCache]: Analyzing trace with hash -284419124, now seen corresponding path program 1 times [2024-11-07 15:43:48,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:48,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112869605] [2024-11-07 15:43:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:48,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:48,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112869605] [2024-11-07 15:43:48,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112869605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:48,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:48,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:48,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383298119] [2024-11-07 15:43:48,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:48,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:48,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:48,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:48,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-07 15:43:48,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 173 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:48,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:48,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-07 15:43:48,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:48,998 INFO L124 PetriNetUnfolderBase]: 12/214 cut-off events. [2024-11-07 15:43:48,998 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-07 15:43:49,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 214 events. 12/214 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 451 event pairs, 5 based on Foata normal form. 8/186 useless extension candidates. Maximal degree in co-relation 160. Up to 24 conditions per place. [2024-11-07 15:43:49,002 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 12 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2024-11-07 15:43:49,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 375 flow [2024-11-07 15:43:49,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2024-11-07 15:43:49,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-07 15:43:49,017 INFO L175 Difference]: Start difference. First operand has 172 places, 173 transitions, 355 flow. Second operand 3 states and 528 transitions. [2024-11-07 15:43:49,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 169 transitions, 375 flow [2024-11-07 15:43:49,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 169 transitions, 370 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 15:43:49,024 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 344 flow [2024-11-07 15:43:49,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2024-11-07 15:43:49,028 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -2 predicate places. [2024-11-07 15:43:49,030 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 344 flow [2024-11-07 15:43:49,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,030 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 15:43:49,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:43:49,031 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1411370421, now seen corresponding path program 1 times [2024-11-07 15:43:49,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392734622] [2024-11-07 15:43:49,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392734622] [2024-11-07 15:43:49,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392734622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131706413] [2024-11-07 15:43:49,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-07 15:43:49,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-07 15:43:49,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,156 INFO L124 PetriNetUnfolderBase]: 22/298 cut-off events. [2024-11-07 15:43:49,157 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:43:49,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 298 events. 22/298 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1023 event pairs, 11 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 315. Up to 36 conditions per place. [2024-11-07 15:43:49,158 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 12 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-11-07 15:43:49,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 370 flow [2024-11-07 15:43:49,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2024-11-07 15:43:49,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-11-07 15:43:49,161 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 344 flow. Second operand 3 states and 525 transitions. [2024-11-07 15:43:49,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 370 flow [2024-11-07 15:43:49,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 167 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,164 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 342 flow [2024-11-07 15:43:49,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2024-11-07 15:43:49,165 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -4 predicate places. [2024-11-07 15:43:49,165 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 342 flow [2024-11-07 15:43:49,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,165 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,165 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] [2024-11-07 15:43:49,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:43:49,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1472679410, now seen corresponding path program 1 times [2024-11-07 15:43:49,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135977745] [2024-11-07 15:43:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,197 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 15:43:49,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135977745] [2024-11-07 15:43:49,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135977745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199299424] [2024-11-07 15:43:49,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-07 15:43:49,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-07 15:43:49,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,270 INFO L124 PetriNetUnfolderBase]: 16/254 cut-off events. [2024-11-07 15:43:49,270 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:49,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 254 events. 16/254 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 654 event pairs, 7 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 257. Up to 27 conditions per place. [2024-11-07 15:43:49,272 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 10 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-07 15:43:49,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 166 transitions, 364 flow [2024-11-07 15:43:49,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-07 15:43:49,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-07 15:43:49,273 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 342 flow. Second operand 3 states and 529 transitions. [2024-11-07 15:43:49,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 166 transitions, 364 flow [2024-11-07 15:43:49,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,276 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 340 flow [2024-11-07 15:43:49,276 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2024-11-07 15:43:49,277 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -5 predicate places. [2024-11-07 15:43:49,277 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 340 flow [2024-11-07 15:43:49,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:49,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:43:49,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2085697671, now seen corresponding path program 1 times [2024-11-07 15:43:49,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340241846] [2024-11-07 15:43:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340241846] [2024-11-07 15:43:49,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340241846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622778002] [2024-11-07 15:43:49,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2024-11-07 15:43:49,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2024-11-07 15:43:49,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,406 INFO L124 PetriNetUnfolderBase]: 20/375 cut-off events. [2024-11-07 15:43:49,406 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:43:49,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 375 events. 20/375 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1399 event pairs, 5 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 370. Up to 22 conditions per place. [2024-11-07 15:43:49,409 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-07 15:43:49,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 165 transitions, 364 flow [2024-11-07 15:43:49,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-07 15:43:49,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-07 15:43:49,412 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 340 flow. Second operand 3 states and 527 transitions. [2024-11-07 15:43:49,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 165 transitions, 364 flow [2024-11-07 15:43:49,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,416 INFO L231 Difference]: Finished difference. Result has 166 places, 165 transitions, 338 flow [2024-11-07 15:43:49,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=166, PETRI_TRANSITIONS=165} [2024-11-07 15:43:49,416 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -6 predicate places. [2024-11-07 15:43:49,416 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 165 transitions, 338 flow [2024-11-07 15:43:49,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,417 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] [2024-11-07 15:43:49,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:43:49,417 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash -81262273, now seen corresponding path program 1 times [2024-11-07 15:43:49,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544042617] [2024-11-07 15:43:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,461 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 15:43:49,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544042617] [2024-11-07 15:43:49,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544042617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340493224] [2024-11-07 15:43:49,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2024-11-07 15:43:49,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2024-11-07 15:43:49,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,522 INFO L124 PetriNetUnfolderBase]: 20/260 cut-off events. [2024-11-07 15:43:49,522 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:43:49,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 260 events. 20/260 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 784 event pairs, 11 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 34 conditions per place. [2024-11-07 15:43:49,524 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-07 15:43:49,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 164 transitions, 362 flow [2024-11-07 15:43:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-07 15:43:49,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-07 15:43:49,529 INFO L175 Difference]: Start difference. First operand has 166 places, 165 transitions, 338 flow. Second operand 3 states and 527 transitions. [2024-11-07 15:43:49,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 164 transitions, 362 flow [2024-11-07 15:43:49,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,531 INFO L231 Difference]: Finished difference. Result has 165 places, 164 transitions, 336 flow [2024-11-07 15:43:49,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=165, PETRI_TRANSITIONS=164} [2024-11-07 15:43:49,532 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -7 predicate places. [2024-11-07 15:43:49,532 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 164 transitions, 336 flow [2024-11-07 15:43:49,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,532 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:49,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:43:49,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1440037432, now seen corresponding path program 1 times [2024-11-07 15:43:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367731378] [2024-11-07 15:43:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367731378] [2024-11-07 15:43:49,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367731378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89268384] [2024-11-07 15:43:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-07 15:43:49,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-07 15:43:49,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,643 INFO L124 PetriNetUnfolderBase]: 14/207 cut-off events. [2024-11-07 15:43:49,643 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:43:49,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 207 events. 14/207 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 450 event pairs, 6 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 196. Up to 25 conditions per place. [2024-11-07 15:43:49,644 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 12 selfloop transitions, 3 changer transitions 0/163 dead transitions. [2024-11-07 15:43:49,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 163 transitions, 366 flow [2024-11-07 15:43:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2024-11-07 15:43:49,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-07 15:43:49,645 INFO L175 Difference]: Start difference. First operand has 165 places, 164 transitions, 336 flow. Second operand 3 states and 528 transitions. [2024-11-07 15:43:49,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 163 transitions, 366 flow [2024-11-07 15:43:49,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 163 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:49,648 INFO L231 Difference]: Finished difference. Result has 163 places, 162 transitions, 339 flow [2024-11-07 15:43:49,648 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=163, PETRI_TRANSITIONS=162} [2024-11-07 15:43:49,648 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -9 predicate places. [2024-11-07 15:43:49,649 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 162 transitions, 339 flow [2024-11-07 15:43:49,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,649 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] [2024-11-07 15:43:49,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:43:49,649 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1762767442, now seen corresponding path program 1 times [2024-11-07 15:43:49,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313713449] [2024-11-07 15:43:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313713449] [2024-11-07 15:43:49,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313713449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225707365] [2024-11-07 15:43:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-07 15:43:49,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 162 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-07 15:43:49,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,777 INFO L124 PetriNetUnfolderBase]: 50/391 cut-off events. [2024-11-07 15:43:49,777 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-07 15:43:49,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 391 events. 50/391 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1579 event pairs, 13 based on Foata normal form. 0/333 useless extension candidates. Maximal degree in co-relation 364. Up to 56 conditions per place. [2024-11-07 15:43:49,779 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 16 selfloop transitions, 3 changer transitions 0/165 dead transitions. [2024-11-07 15:43:49,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 165 transitions, 387 flow [2024-11-07 15:43:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2024-11-07 15:43:49,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9236111111111112 [2024-11-07 15:43:49,782 INFO L175 Difference]: Start difference. First operand has 163 places, 162 transitions, 339 flow. Second operand 3 states and 532 transitions. [2024-11-07 15:43:49,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 165 transitions, 387 flow [2024-11-07 15:43:49,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 165 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:49,784 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 343 flow [2024-11-07 15:43:49,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-07 15:43:49,785 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-07 15:43:49,785 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 343 flow [2024-11-07 15:43:49,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,785 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 15:43:49,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:43:49,786 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1563450544, now seen corresponding path program 1 times [2024-11-07 15:43:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845795307] [2024-11-07 15:43:49,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845795307] [2024-11-07 15:43:49,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845795307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470151554] [2024-11-07 15:43:49,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 192 [2024-11-07 15:43:49,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 192 [2024-11-07 15:43:49,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,903 INFO L124 PetriNetUnfolderBase]: 43/531 cut-off events. [2024-11-07 15:43:49,903 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-07 15:43:49,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 531 events. 43/531 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2610 event pairs, 14 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 393. Up to 59 conditions per place. [2024-11-07 15:43:49,905 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-07 15:43:49,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 161 transitions, 373 flow [2024-11-07 15:43:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-11-07 15:43:49,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9322916666666666 [2024-11-07 15:43:49,907 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 343 flow. Second operand 3 states and 537 transitions. [2024-11-07 15:43:49,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 161 transitions, 373 flow [2024-11-07 15:43:49,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 161 transitions, 370 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:49,910 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 350 flow [2024-11-07 15:43:49,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-07 15:43:49,911 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-07 15:43:49,911 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 350 flow [2024-11-07 15:43:49,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,912 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] [2024-11-07 15:43:49,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:43:49,912 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2130261252, now seen corresponding path program 1 times [2024-11-07 15:43:49,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062350985] [2024-11-07 15:43:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:49,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062350985] [2024-11-07 15:43:49,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062350985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:49,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:49,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:49,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108870259] [2024-11-07 15:43:49,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:49,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:49,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-07 15:43:49,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:49,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-07 15:43:49,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:49,992 INFO L124 PetriNetUnfolderBase]: 30/338 cut-off events. [2024-11-07 15:43:49,992 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 15:43:49,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 338 events. 30/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1166 event pairs, 2 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 223. Up to 36 conditions per place. [2024-11-07 15:43:49,993 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 10 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-07 15:43:49,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 374 flow [2024-11-07 15:43:49,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:49,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:49,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-07 15:43:49,995 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-07 15:43:49,995 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 350 flow. Second operand 3 states and 533 transitions. [2024-11-07 15:43:49,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 374 flow [2024-11-07 15:43:49,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:43:49,997 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 350 flow [2024-11-07 15:43:49,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-11-07 15:43:49,997 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-07 15:43:49,997 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 350 flow [2024-11-07 15:43:49,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:49,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:49,998 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] [2024-11-07 15:43:49,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:43:49,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:49,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:49,998 INFO L85 PathProgramCache]: Analyzing trace with hash -75897136, now seen corresponding path program 1 times [2024-11-07 15:43:49,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:49,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462768937] [2024-11-07 15:43:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:49,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:50,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462768937] [2024-11-07 15:43:50,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462768937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949946476] [2024-11-07 15:43:50,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-07 15:43:50,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-07 15:43:50,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,097 INFO L124 PetriNetUnfolderBase]: 37/365 cut-off events. [2024-11-07 15:43:50,097 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-07 15:43:50,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 365 events. 37/365 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1463 event pairs, 7 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 282. Up to 32 conditions per place. [2024-11-07 15:43:50,099 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 12 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-07 15:43:50,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 381 flow [2024-11-07 15:43:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-07 15:43:50,101 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9288194444444444 [2024-11-07 15:43:50,101 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 350 flow. Second operand 3 states and 535 transitions. [2024-11-07 15:43:50,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 381 flow [2024-11-07 15:43:50,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,103 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 346 flow [2024-11-07 15:43:50,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-07 15:43:50,104 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -12 predicate places. [2024-11-07 15:43:50,104 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 346 flow [2024-11-07 15:43:50,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,105 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:50,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:43:50,105 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:50,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1162091289, now seen corresponding path program 1 times [2024-11-07 15:43:50,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299826249] [2024-11-07 15:43:50,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:50,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299826249] [2024-11-07 15:43:50,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299826249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620633404] [2024-11-07 15:43:50,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-07 15:43:50,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-07 15:43:50,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,207 INFO L124 PetriNetUnfolderBase]: 47/519 cut-off events. [2024-11-07 15:43:50,207 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-07 15:43:50,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 519 events. 47/519 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2504 event pairs, 12 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 485. Up to 48 conditions per place. [2024-11-07 15:43:50,209 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-07 15:43:50,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 374 flow [2024-11-07 15:43:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-07 15:43:50,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-07 15:43:50,211 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 346 flow. Second operand 3 states and 533 transitions. [2024-11-07 15:43:50,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 374 flow [2024-11-07 15:43:50,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,214 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 344 flow [2024-11-07 15:43:50,214 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-11-07 15:43:50,214 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -13 predicate places. [2024-11-07 15:43:50,215 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 344 flow [2024-11-07 15:43:50,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,216 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] [2024-11-07 15:43:50,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:43:50,216 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:50,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,216 INFO L85 PathProgramCache]: Analyzing trace with hash -358391241, now seen corresponding path program 1 times [2024-11-07 15:43:50,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520370317] [2024-11-07 15:43:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:50,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520370317] [2024-11-07 15:43:50,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520370317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520044255] [2024-11-07 15:43:50,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-07 15:43:50,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-07 15:43:50,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,307 INFO L124 PetriNetUnfolderBase]: 40/376 cut-off events. [2024-11-07 15:43:50,307 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 15:43:50,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 376 events. 40/376 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1470 event pairs, 16 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 456. Up to 53 conditions per place. [2024-11-07 15:43:50,308 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 13 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-07 15:43:50,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 379 flow [2024-11-07 15:43:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-07 15:43:50,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9288194444444444 [2024-11-07 15:43:50,310 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 344 flow. Second operand 3 states and 535 transitions. [2024-11-07 15:43:50,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 379 flow [2024-11-07 15:43:50,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,312 INFO L231 Difference]: Finished difference. Result has 158 places, 154 transitions, 342 flow [2024-11-07 15:43:50,312 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=158, PETRI_TRANSITIONS=154} [2024-11-07 15:43:50,312 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -14 predicate places. [2024-11-07 15:43:50,312 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 154 transitions, 342 flow [2024-11-07 15:43:50,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,313 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] [2024-11-07 15:43:50,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:43:50,313 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:50,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1817814142, now seen corresponding path program 1 times [2024-11-07 15:43:50,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351942307] [2024-11-07 15:43:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:50,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351942307] [2024-11-07 15:43:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351942307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581820213] [2024-11-07 15:43:50,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-07 15:43:50,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 154 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-07 15:43:50,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,391 INFO L124 PetriNetUnfolderBase]: 33/335 cut-off events. [2024-11-07 15:43:50,392 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-07 15:43:50,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 335 events. 33/335 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1251 event pairs, 14 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 440. Up to 51 conditions per place. [2024-11-07 15:43:50,393 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 13 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-11-07 15:43:50,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 374 flow [2024-11-07 15:43:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-11-07 15:43:50,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.921875 [2024-11-07 15:43:50,394 INFO L175 Difference]: Start difference. First operand has 158 places, 154 transitions, 342 flow. Second operand 3 states and 531 transitions. [2024-11-07 15:43:50,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 374 flow [2024-11-07 15:43:50,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,398 INFO L231 Difference]: Finished difference. Result has 157 places, 153 transitions, 340 flow [2024-11-07 15:43:50,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=157, PETRI_TRANSITIONS=153} [2024-11-07 15:43:50,398 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -15 predicate places. [2024-11-07 15:43:50,398 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 153 transitions, 340 flow [2024-11-07 15:43:50,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:50,399 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] [2024-11-07 15:43:50,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:43:50,399 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-07 15:43:50,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash -995315428, now seen corresponding path program 1 times [2024-11-07 15:43:50,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:50,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179897578] [2024-11-07 15:43:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:50,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:50,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179897578] [2024-11-07 15:43:50,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179897578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:50,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:50,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:50,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857328979] [2024-11-07 15:43:50,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:50,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:50,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:50,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:50,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:50,464 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-07 15:43:50,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 153 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:50,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-07 15:43:50,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:50,496 INFO L124 PetriNetUnfolderBase]: 45/380 cut-off events. [2024-11-07 15:43:50,497 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-07 15:43:50,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 380 events. 45/380 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1506 event pairs, 14 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 489. Up to 62 conditions per place. [2024-11-07 15:43:50,498 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2024-11-07 15:43:50,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 379 flow [2024-11-07 15:43:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-07 15:43:50,499 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-07 15:43:50,499 INFO L175 Difference]: Start difference. First operand has 157 places, 153 transitions, 340 flow. Second operand 3 states and 533 transitions. [2024-11-07 15:43:50,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 379 flow [2024-11-07 15:43:50,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:50,501 INFO L231 Difference]: Finished difference. Result has 156 places, 0 transitions, 0 flow [2024-11-07 15:43:50,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=156, PETRI_TRANSITIONS=0} [2024-11-07 15:43:50,502 INFO L277 CegarLoopForPetriNet]: 172 programPoint places, -16 predicate places. [2024-11-07 15:43:50,502 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 0 transitions, 0 flow [2024-11-07 15:43:50,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:43:50,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-07 15:43:50,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-07 15:43:50,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-07 15:43:50,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-07 15:43:50,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-07 15:43:50,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:43:50,508 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:50,512 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:43:50,513 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:43:50,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:43:50 BasicIcfg [2024-11-07 15:43:50,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:43:50,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:43:50,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:43:50,519 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:43:50,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:48" (3/4) ... [2024-11-07 15:43:50,520 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:43:50,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:43:50,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:43:50,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-07 15:43:50,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:43:50,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:43:50,525 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:43:50,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:43:50,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:43:50,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:43:50,577 INFO L158 Benchmark]: Toolchain (without parser) took 2632.15ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.8MB in the beginning and 48.5MB in the end (delta: 43.3MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,577 INFO L158 Benchmark]: CDTParser took 0.18ms. 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 15:43:50,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.26ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.48ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,578 INFO L158 Benchmark]: Boogie Preprocessor took 20.87ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.8MB in the end (delta: 914.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:50,579 INFO L158 Benchmark]: RCFGBuilder took 343.81ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 60.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,579 INFO L158 Benchmark]: TraceAbstraction took 2033.98ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 54.0MB in the end (delta: 6.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,579 INFO L158 Benchmark]: Witness Printer took 57.78ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 48.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:50,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.26ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.48ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.87ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.8MB in the end (delta: 914.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.81ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 60.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2033.98ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 54.0MB in the end (delta: 6.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 57.78ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 48.5MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 57]: 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: 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: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 262 locations, 37 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: 1.9s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 75 mSDtfsCounter, 440 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 931 NumberOfCodeBlocks, 931 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 917 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:43:50,604 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