./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-barrier-loop.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-barrier-loop.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', 'a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a'] 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-barrier-loop.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 a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:43:30,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:43:30,744 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:43:30,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:43:30,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:43:30,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:43:30,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:43:30,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:43:30,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:43:30,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:43:30,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:43:30,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:43:30,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:43:30,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:43:30,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:30,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:43:30,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:43:30,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:43:30,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:43:30,795 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 -> a107795e01eed1ee79fba30cb5022ee32b5d5a3711e8a094ab0bb165fd3efa7a [2024-11-07 15:43:31,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:43:31,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:43:31,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:43:31,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:43:31,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:43:31,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-07 15:43:32,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:43:32,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:43:32,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2024-11-07 15:43:32,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/594dc0176/81967d3c88914969b26ce994bb31d157/FLAGbd86d1836 [2024-11-07 15:43:32,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/594dc0176/81967d3c88914969b26ce994bb31d157 [2024-11-07 15:43:32,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:43:32,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:43:32,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:32,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:43:32,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:43:32,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:32" (1/1) ... [2024-11-07 15:43:32,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e931fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:32, skipping insertion in model container [2024-11-07 15:43:32,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:43:32" (1/1) ... [2024-11-07 15:43:32,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:43:33,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:33,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:43:33,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:43:33,155 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:43:33,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33 WrapperNode [2024-11-07 15:43:33,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:43:33,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:33,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:43:33,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:43:33,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,206 INFO L138 Inliner]: procedures = 22, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 309 [2024-11-07 15:43:33,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:43:33,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:43:33,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:43:33,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:43:33,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:43:33,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:43:33,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:43:33,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:43:33,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (1/1) ... [2024-11-07 15:43:33,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:43:33,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:43:33,304 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 15:43:33,311 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 15:43:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:43:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-07 15:43:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-07 15:43:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-07 15:43:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-07 15:43:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-07 15:43:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-07 15:43:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-07 15:43:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-07 15:43:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:43:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-07 15:43:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-07 15:43:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-07 15:43:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-07 15:43:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:43:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:43:33,338 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 15:43:33,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:43:33,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:43:33,974 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:43:33,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:43:33,999 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:43:34,001 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 15:43:34,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:34 BoogieIcfgContainer [2024-11-07 15:43:34,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:43:34,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:43:34,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:43:34,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:43:34,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:43:32" (1/3) ... [2024-11-07 15:43:34,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbacee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:34, skipping insertion in model container [2024-11-07 15:43:34,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:43:33" (2/3) ... [2024-11-07 15:43:34,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbacee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:43:34, skipping insertion in model container [2024-11-07 15:43:34,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:34" (3/3) ... [2024-11-07 15:43:34,011 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2024-11-07 15:43:34,025 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:43:34,025 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 15:43:34,025 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:43:34,198 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-07 15:43:34,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 408 transitions, 882 flow [2024-11-07 15:43:34,441 INFO L124 PetriNetUnfolderBase]: 22/394 cut-off events. [2024-11-07 15:43:34,443 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-07 15:43:34,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 394 events. 22/394 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 925 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 335. Up to 3 conditions per place. [2024-11-07 15:43:34,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 405 places, 408 transitions, 882 flow [2024-11-07 15:43:34,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 377 transitions, 799 flow [2024-11-07 15:43:34,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:43:34,493 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;@7e7c1391, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:43:34,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-07 15:43:34,506 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:43:34,506 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-07 15:43:34,506 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:43:34,506 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:34,508 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] [2024-11-07 15:43:34,509 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:34,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:34,515 INFO L85 PathProgramCache]: Analyzing trace with hash 684120472, now seen corresponding path program 1 times [2024-11-07 15:43:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802975740] [2024-11-07 15:43:34,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:34,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:34,710 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 15:43:34,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802975740] [2024-11-07 15:43:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802975740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:34,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:34,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:34,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096526535] [2024-11-07 15:43:34,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:34,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:34,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:34,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:34,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:34,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 377 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:34,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:34,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:34,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:35,250 INFO L124 PetriNetUnfolderBase]: 116/1711 cut-off events. [2024-11-07 15:43:35,250 INFO L125 PetriNetUnfolderBase]: For 149/149 co-relation queries the response was YES. [2024-11-07 15:43:35,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2048 conditions, 1711 events. 116/1711 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12312 event pairs, 56 based on Foata normal form. 157/1625 useless extension candidates. Maximal degree in co-relation 1869. Up to 151 conditions per place. [2024-11-07 15:43:35,281 INFO L140 encePairwiseOnDemand]: 396/412 looper letters, 20 selfloop transitions, 2 changer transitions 1/363 dead transitions. [2024-11-07 15:43:35,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 363 transitions, 815 flow [2024-11-07 15:43:35,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-07 15:43:35,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-07 15:43:35,299 INFO L175 Difference]: Start difference. First operand has 375 places, 377 transitions, 799 flow. Second operand 3 states and 1128 transitions. [2024-11-07 15:43:35,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 363 transitions, 815 flow [2024-11-07 15:43:35,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 363 transitions, 786 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-11-07 15:43:35,314 INFO L231 Difference]: Finished difference. Result has 365 places, 362 transitions, 744 flow [2024-11-07 15:43:35,317 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=365, PETRI_TRANSITIONS=362} [2024-11-07 15:43:35,321 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -10 predicate places. [2024-11-07 15:43:35,321 INFO L471 AbstractCegarLoop]: Abstraction has has 365 places, 362 transitions, 744 flow [2024-11-07 15:43:35,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:35,322 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:35,322 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:35,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:43:35,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:35,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:35,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2031107495, now seen corresponding path program 1 times [2024-11-07 15:43:35,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704505575] [2024-11-07 15:43:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:35,418 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 15:43:35,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:35,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704505575] [2024-11-07 15:43:35,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704505575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:35,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:35,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:35,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491483686] [2024-11-07 15:43:35,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:35,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:35,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:35,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:35,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:35,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 362 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:35,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:35,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:35,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:35,878 INFO L124 PetriNetUnfolderBase]: 116/1709 cut-off events. [2024-11-07 15:43:35,879 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-07 15:43:35,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1929 conditions, 1709 events. 116/1709 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 11696 event pairs, 56 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 1878. Up to 151 conditions per place. [2024-11-07 15:43:35,900 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-07 15:43:35,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 361 transitions, 786 flow [2024-11-07 15:43:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:35,906 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:35,906 INFO L175 Difference]: Start difference. First operand has 365 places, 362 transitions, 744 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:35,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 361 transitions, 786 flow [2024-11-07 15:43:35,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 361 transitions, 782 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:35,912 INFO L231 Difference]: Finished difference. Result has 363 places, 361 transitions, 742 flow [2024-11-07 15:43:35,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=363, PETRI_TRANSITIONS=361} [2024-11-07 15:43:35,915 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -12 predicate places. [2024-11-07 15:43:35,915 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 361 transitions, 742 flow [2024-11-07 15:43:35,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:35,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:35,916 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:35,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:43:35,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:35,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1682370515, now seen corresponding path program 1 times [2024-11-07 15:43:35,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:35,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522808819] [2024-11-07 15:43:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:35,983 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 15:43:35,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:35,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522808819] [2024-11-07 15:43:35,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522808819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:35,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:35,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:35,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732497774] [2024-11-07 15:43:35,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:35,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:35,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:35,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:35,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:36,020 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:36,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 361 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:36,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:36,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:36,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:36,268 INFO L124 PetriNetUnfolderBase]: 116/1156 cut-off events. [2024-11-07 15:43:36,268 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-07 15:43:36,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 1156 events. 116/1156 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6980 event pairs, 56 based on Foata normal form. 0/991 useless extension candidates. Maximal degree in co-relation 1318. Up to 163 conditions per place. [2024-11-07 15:43:36,283 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-07 15:43:36,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 360 transitions, 784 flow [2024-11-07 15:43:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:36,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:36,287 INFO L175 Difference]: Start difference. First operand has 363 places, 361 transitions, 742 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:36,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 360 transitions, 784 flow [2024-11-07 15:43:36,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 360 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:36,292 INFO L231 Difference]: Finished difference. Result has 362 places, 360 transitions, 740 flow [2024-11-07 15:43:36,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=362, PETRI_TRANSITIONS=360} [2024-11-07 15:43:36,294 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -13 predicate places. [2024-11-07 15:43:36,294 INFO L471 AbstractCegarLoop]: Abstraction has has 362 places, 360 transitions, 740 flow [2024-11-07 15:43:36,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:36,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:36,295 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] [2024-11-07 15:43:36,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:43:36,296 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:36,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash 510584919, now seen corresponding path program 1 times [2024-11-07 15:43:36,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:36,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683758451] [2024-11-07 15:43:36,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:36,351 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 15:43:36,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:36,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683758451] [2024-11-07 15:43:36,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683758451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:36,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:36,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:36,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372141630] [2024-11-07 15:43:36,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:36,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:36,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:36,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:36,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:36,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:36,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 360 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:36,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:36,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:36,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:36,632 INFO L124 PetriNetUnfolderBase]: 116/1155 cut-off events. [2024-11-07 15:43:36,632 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-07 15:43:36,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 1155 events. 116/1155 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6823 event pairs, 56 based on Foata normal form. 0/987 useless extension candidates. Maximal degree in co-relation 1310. Up to 163 conditions per place. [2024-11-07 15:43:36,656 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-07 15:43:36,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 359 transitions, 782 flow [2024-11-07 15:43:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:36,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:36,660 INFO L175 Difference]: Start difference. First operand has 362 places, 360 transitions, 740 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:36,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 359 transitions, 782 flow [2024-11-07 15:43:36,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 359 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:36,667 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 738 flow [2024-11-07 15:43:36,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-11-07 15:43:36,670 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -14 predicate places. [2024-11-07 15:43:36,670 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 738 flow [2024-11-07 15:43:36,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:36,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:36,672 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:36,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:43:36,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:36,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:36,673 INFO L85 PathProgramCache]: Analyzing trace with hash -315095758, now seen corresponding path program 1 times [2024-11-07 15:43:36,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:36,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067438985] [2024-11-07 15:43:36,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:36,757 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 15:43:36,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:36,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067438985] [2024-11-07 15:43:36,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067438985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:36,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:36,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:36,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902522403] [2024-11-07 15:43:36,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:36,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:36,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:36,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:36,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:36,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:36,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:36,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:36,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:36,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:37,053 INFO L124 PetriNetUnfolderBase]: 110/1386 cut-off events. [2024-11-07 15:43:37,053 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-07 15:43:37,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1598 conditions, 1386 events. 110/1386 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 8907 event pairs, 56 based on Foata normal form. 0/1188 useless extension candidates. Maximal degree in co-relation 1526. Up to 151 conditions per place. [2024-11-07 15:43:37,080 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-07 15:43:37,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 358 transitions, 780 flow [2024-11-07 15:43:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:37,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:37,087 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 738 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:37,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 358 transitions, 780 flow [2024-11-07 15:43:37,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 358 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:37,092 INFO L231 Difference]: Finished difference. Result has 360 places, 358 transitions, 736 flow [2024-11-07 15:43:37,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=360, PETRI_TRANSITIONS=358} [2024-11-07 15:43:37,094 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -15 predicate places. [2024-11-07 15:43:37,094 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 358 transitions, 736 flow [2024-11-07 15:43:37,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:37,095 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] [2024-11-07 15:43:37,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:43:37,096 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:37,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1140211658, now seen corresponding path program 1 times [2024-11-07 15:43:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:37,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563026687] [2024-11-07 15:43:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:37,156 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 15:43:37,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:37,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563026687] [2024-11-07 15:43:37,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563026687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:37,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:37,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:37,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774670199] [2024-11-07 15:43:37,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:37,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:37,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:37,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:37,176 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:37,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 358 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:37,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:37,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:37,397 INFO L124 PetriNetUnfolderBase]: 110/1385 cut-off events. [2024-11-07 15:43:37,397 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-07 15:43:37,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1597 conditions, 1385 events. 110/1385 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8321 event pairs, 56 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 1518. Up to 151 conditions per place. [2024-11-07 15:43:37,425 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-07 15:43:37,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 357 transitions, 778 flow [2024-11-07 15:43:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:37,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:37,429 INFO L175 Difference]: Start difference. First operand has 360 places, 358 transitions, 736 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:37,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 357 transitions, 778 flow [2024-11-07 15:43:37,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 774 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:37,435 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 734 flow [2024-11-07 15:43:37,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2024-11-07 15:43:37,437 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -16 predicate places. [2024-11-07 15:43:37,438 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 734 flow [2024-11-07 15:43:37,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:37,439 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 15:43:37,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:43:37,439 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:37,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:37,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1776993455, now seen corresponding path program 1 times [2024-11-07 15:43:37,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:37,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589468215] [2024-11-07 15:43:37,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:37,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:37,498 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 15:43:37,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:37,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589468215] [2024-11-07 15:43:37,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589468215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:37,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:37,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:37,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332923596] [2024-11-07 15:43:37,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:37,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:37,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:37,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:37,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:37,517 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:37,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:37,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:37,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:37,662 INFO L124 PetriNetUnfolderBase]: 112/926 cut-off events. [2024-11-07 15:43:37,662 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-07 15:43:37,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1138 conditions, 926 events. 112/926 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4933 event pairs, 56 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1052. Up to 163 conditions per place. [2024-11-07 15:43:37,679 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-07 15:43:37,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 356 transitions, 776 flow [2024-11-07 15:43:37,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:37,683 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:37,683 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 734 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:37,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 356 transitions, 776 flow [2024-11-07 15:43:37,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 356 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:37,689 INFO L231 Difference]: Finished difference. Result has 358 places, 356 transitions, 732 flow [2024-11-07 15:43:37,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=358, PETRI_TRANSITIONS=356} [2024-11-07 15:43:37,692 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -17 predicate places. [2024-11-07 15:43:37,692 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 356 transitions, 732 flow [2024-11-07 15:43:37,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:37,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:37,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 15:43:37,694 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:37,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1223676544, now seen corresponding path program 1 times [2024-11-07 15:43:37,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:37,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131726538] [2024-11-07 15:43:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:37,756 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 15:43:37,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:37,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131726538] [2024-11-07 15:43:37,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131726538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:37,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:37,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:37,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758772776] [2024-11-07 15:43:37,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:37,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:37,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:37,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:37,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:37,783 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 412 [2024-11-07 15:43:37,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 356 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:37,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 412 [2024-11-07 15:43:37,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:37,934 INFO L124 PetriNetUnfolderBase]: 112/925 cut-off events. [2024-11-07 15:43:37,934 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-07 15:43:37,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1137 conditions, 925 events. 112/925 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4886 event pairs, 56 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 1044. Up to 163 conditions per place. [2024-11-07 15:43:37,952 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 20 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-07 15:43:37,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 355 transitions, 774 flow [2024-11-07 15:43:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1115 transitions. [2024-11-07 15:43:37,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9021035598705501 [2024-11-07 15:43:37,956 INFO L175 Difference]: Start difference. First operand has 358 places, 356 transitions, 732 flow. Second operand 3 states and 1115 transitions. [2024-11-07 15:43:37,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 355 transitions, 774 flow [2024-11-07 15:43:37,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 355 transitions, 770 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:37,961 INFO L231 Difference]: Finished difference. Result has 357 places, 355 transitions, 730 flow [2024-11-07 15:43:37,961 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=357, PETRI_TRANSITIONS=355} [2024-11-07 15:43:37,962 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -18 predicate places. [2024-11-07 15:43:37,962 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 355 transitions, 730 flow [2024-11-07 15:43:37,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 15:43:37,963 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:37,963 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:37,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 15:43:37,963 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:37,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:37,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1915489821, now seen corresponding path program 1 times [2024-11-07 15:43:37,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:37,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123080929] [2024-11-07 15:43:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:37,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:38,073 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 15:43:38,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123080929] [2024-11-07 15:43:38,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123080929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:38,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:38,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:38,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426301991] [2024-11-07 15:43:38,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:38,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:38,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:38,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:38,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:38,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 355 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 15:43:38,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:38,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:38,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:38,403 INFO L124 PetriNetUnfolderBase]: 191/1845 cut-off events. [2024-11-07 15:43:38,403 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-07 15:43:38,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2222 conditions, 1845 events. 191/1845 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 13759 event pairs, 72 based on Foata normal form. 0/1576 useless extension candidates. Maximal degree in co-relation 2122. Up to 204 conditions per place. [2024-11-07 15:43:38,442 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-07 15:43:38,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 811 flow [2024-11-07 15:43:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-07 15:43:38,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-07 15:43:38,446 INFO L175 Difference]: Start difference. First operand has 357 places, 355 transitions, 730 flow. Second operand 3 states and 1128 transitions. [2024-11-07 15:43:38,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 811 flow [2024-11-07 15:43:38,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 807 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:38,451 INFO L231 Difference]: Finished difference. Result has 356 places, 354 transitions, 728 flow [2024-11-07 15:43:38,452 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=356, PETRI_TRANSITIONS=354} [2024-11-07 15:43:38,454 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:38,454 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 354 transitions, 728 flow [2024-11-07 15:43:38,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 15:43:38,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:38,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:38,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 15:43:38,455 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:38,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1422681314, now seen corresponding path program 1 times [2024-11-07 15:43:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455169940] [2024-11-07 15:43:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:38,547 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 15:43:38,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:38,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455169940] [2024-11-07 15:43:38,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455169940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:38,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:38,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:38,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423676876] [2024-11-07 15:43:38,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:38,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:38,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:38,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:38,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:38,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:38,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 354 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 15:43:38,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:38,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:38,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:38,926 INFO L124 PetriNetUnfolderBase]: 171/1831 cut-off events. [2024-11-07 15:43:38,926 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-11-07 15:43:38,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2187 conditions, 1831 events. 171/1831 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 13577 event pairs, 40 based on Foata normal form. 0/1575 useless extension candidates. Maximal degree in co-relation 1175. Up to 129 conditions per place. [2024-11-07 15:43:38,962 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 31 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2024-11-07 15:43:38,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 367 transitions, 836 flow [2024-11-07 15:43:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2024-11-07 15:43:38,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9207119741100324 [2024-11-07 15:43:38,966 INFO L175 Difference]: Start difference. First operand has 356 places, 354 transitions, 728 flow. Second operand 3 states and 1138 transitions. [2024-11-07 15:43:38,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 367 transitions, 836 flow [2024-11-07 15:43:38,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 367 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:38,977 INFO L231 Difference]: Finished difference. Result has 356 places, 354 transitions, 732 flow [2024-11-07 15:43:38,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=354} [2024-11-07 15:43:38,979 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:38,981 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 354 transitions, 732 flow [2024-11-07 15:43:38,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 15:43:38,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:38,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:38,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 15:43:38,983 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:38,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:38,983 INFO L85 PathProgramCache]: Analyzing trace with hash -894769896, now seen corresponding path program 1 times [2024-11-07 15:43:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:38,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182513513] [2024-11-07 15:43:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:39,080 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 15:43:39,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:39,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182513513] [2024-11-07 15:43:39,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182513513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:39,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:39,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:39,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096431672] [2024-11-07 15:43:39,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:39,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:39,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:39,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:39,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:39,099 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:39,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 354 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:39,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:39,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:39,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:39,421 INFO L124 PetriNetUnfolderBase]: 292/1806 cut-off events. [2024-11-07 15:43:39,421 INFO L125 PetriNetUnfolderBase]: For 114/130 co-relation queries the response was YES. [2024-11-07 15:43:39,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2339 conditions, 1806 events. 292/1806 cut-off events. For 114/130 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 12350 event pairs, 113 based on Foata normal form. 0/1514 useless extension candidates. Maximal degree in co-relation 1749. Up to 314 conditions per place. [2024-11-07 15:43:39,461 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-07 15:43:39,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 361 transitions, 812 flow [2024-11-07 15:43:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-07 15:43:39,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-07 15:43:39,464 INFO L175 Difference]: Start difference. First operand has 356 places, 354 transitions, 732 flow. Second operand 3 states and 1128 transitions. [2024-11-07 15:43:39,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 361 transitions, 812 flow [2024-11-07 15:43:39,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 361 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:39,476 INFO L231 Difference]: Finished difference. Result has 356 places, 353 transitions, 732 flow [2024-11-07 15:43:39,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=353} [2024-11-07 15:43:39,478 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:39,478 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 353 transitions, 732 flow [2024-11-07 15:43:39,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:39,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:39,479 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:39,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 15:43:39,480 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:39,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:39,481 INFO L85 PathProgramCache]: Analyzing trace with hash 936481567, now seen corresponding path program 1 times [2024-11-07 15:43:39,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:39,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999523541] [2024-11-07 15:43:39,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:39,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:39,561 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 15:43:39,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:39,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999523541] [2024-11-07 15:43:39,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999523541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:39,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885427198] [2024-11-07 15:43:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:39,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:39,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:39,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:39,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 353 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:39,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:39,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:39,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:39,886 INFO L124 PetriNetUnfolderBase]: 362/2136 cut-off events. [2024-11-07 15:43:39,887 INFO L125 PetriNetUnfolderBase]: For 145/151 co-relation queries the response was YES. [2024-11-07 15:43:39,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 2136 events. 362/2136 cut-off events. For 145/151 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 15290 event pairs, 119 based on Foata normal form. 0/1742 useless extension candidates. Maximal degree in co-relation 2502. Up to 364 conditions per place. [2024-11-07 15:43:39,930 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2024-11-07 15:43:39,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 361 transitions, 818 flow [2024-11-07 15:43:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:39,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-07 15:43:39,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-07 15:43:39,934 INFO L175 Difference]: Start difference. First operand has 356 places, 353 transitions, 732 flow. Second operand 3 states and 1129 transitions. [2024-11-07 15:43:39,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 361 transitions, 818 flow [2024-11-07 15:43:39,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 361 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:39,941 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 730 flow [2024-11-07 15:43:39,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2024-11-07 15:43:39,943 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-07 15:43:39,943 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 730 flow [2024-11-07 15:43:39,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:39,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:39,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:39,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 15:43:39,944 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:39,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:39,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1521898020, now seen corresponding path program 1 times [2024-11-07 15:43:39,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:39,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738309] [2024-11-07 15:43:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:40,001 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 15:43:40,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:40,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738309] [2024-11-07 15:43:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:40,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:40,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:40,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618784513] [2024-11-07 15:43:40,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:40,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:40,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:40,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:40,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:40,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:40,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:40,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:40,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:40,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:40,338 INFO L124 PetriNetUnfolderBase]: 253/2046 cut-off events. [2024-11-07 15:43:40,339 INFO L125 PetriNetUnfolderBase]: For 101/113 co-relation queries the response was YES. [2024-11-07 15:43:40,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 2046 events. 253/2046 cut-off events. For 101/113 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 14326 event pairs, 63 based on Foata normal form. 0/1740 useless extension candidates. Maximal degree in co-relation 2468. Up to 203 conditions per place. [2024-11-07 15:43:40,370 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-11-07 15:43:40,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 364 transitions, 830 flow [2024-11-07 15:43:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-07 15:43:40,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-07 15:43:40,373 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 730 flow. Second operand 3 states and 1137 transitions. [2024-11-07 15:43:40,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 364 transitions, 830 flow [2024-11-07 15:43:40,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 364 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:40,378 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 734 flow [2024-11-07 15:43:40,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2024-11-07 15:43:40,379 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-07 15:43:40,380 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 734 flow [2024-11-07 15:43:40,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:40,381 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:40,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:40,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 15:43:40,381 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:40,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:40,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1384226096, now seen corresponding path program 1 times [2024-11-07 15:43:40,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:40,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282875966] [2024-11-07 15:43:40,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:40,445 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 15:43:40,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:40,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282875966] [2024-11-07 15:43:40,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282875966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:40,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:40,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319120847] [2024-11-07 15:43:40,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:40,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:40,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:40,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:40,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:40,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:40,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:40,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:40,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:40,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:40,905 INFO L124 PetriNetUnfolderBase]: 414/2575 cut-off events. [2024-11-07 15:43:40,905 INFO L125 PetriNetUnfolderBase]: For 203/227 co-relation queries the response was YES. [2024-11-07 15:43:40,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3280 conditions, 2575 events. 414/2575 cut-off events. For 203/227 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 18953 event pairs, 91 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 2370. Up to 307 conditions per place. [2024-11-07 15:43:40,936 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2024-11-07 15:43:40,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 364 transitions, 835 flow [2024-11-07 15:43:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-07 15:43:40,939 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-07 15:43:40,940 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 734 flow. Second operand 3 states and 1137 transitions. [2024-11-07 15:43:40,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 364 transitions, 835 flow [2024-11-07 15:43:40,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 364 transitions, 833 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:40,946 INFO L231 Difference]: Finished difference. Result has 356 places, 352 transitions, 740 flow [2024-11-07 15:43:40,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=356, PETRI_TRANSITIONS=352} [2024-11-07 15:43:40,948 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:40,948 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 352 transitions, 740 flow [2024-11-07 15:43:40,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:40,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:40,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:40,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 15:43:40,949 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread6Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:40,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:40,950 INFO L85 PathProgramCache]: Analyzing trace with hash 116901643, now seen corresponding path program 1 times [2024-11-07 15:43:40,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303081120] [2024-11-07 15:43:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:41,013 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 15:43:41,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:41,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303081120] [2024-11-07 15:43:41,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303081120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:41,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190897090] [2024-11-07 15:43:41,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:41,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:41,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:41,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:41,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 352 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 15:43:41,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:41,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:41,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:41,506 INFO L124 PetriNetUnfolderBase]: 808/3108 cut-off events. [2024-11-07 15:43:41,506 INFO L125 PetriNetUnfolderBase]: For 416/459 co-relation queries the response was YES. [2024-11-07 15:43:41,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4322 conditions, 3108 events. 808/3108 cut-off events. For 416/459 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 22162 event pairs, 266 based on Foata normal form. 0/2371 useless extension candidates. Maximal degree in co-relation 3187. Up to 797 conditions per place. [2024-11-07 15:43:41,544 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-07 15:43:41,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 360 transitions, 825 flow [2024-11-07 15:43:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-07 15:43:41,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-07 15:43:41,547 INFO L175 Difference]: Start difference. First operand has 356 places, 352 transitions, 740 flow. Second operand 3 states and 1129 transitions. [2024-11-07 15:43:41,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 360 transitions, 825 flow [2024-11-07 15:43:41,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 360 transitions, 823 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:41,552 INFO L231 Difference]: Finished difference. Result has 356 places, 351 transitions, 740 flow [2024-11-07 15:43:41,553 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=356, PETRI_TRANSITIONS=351} [2024-11-07 15:43:41,553 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:41,553 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 351 transitions, 740 flow [2024-11-07 15:43:41,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 15:43:41,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:41,555 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:41,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 15:43:41,555 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread6Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:41,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash -600548039, now seen corresponding path program 1 times [2024-11-07 15:43:41,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:41,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383690632] [2024-11-07 15:43:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:41,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:41,610 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 15:43:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:41,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383690632] [2024-11-07 15:43:41,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383690632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:41,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:41,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001470070] [2024-11-07 15:43:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:41,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:41,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:41,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:41,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:41,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 351 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 15:43:41,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:41,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:41,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:42,170 INFO L124 PetriNetUnfolderBase]: 609/3336 cut-off events. [2024-11-07 15:43:42,170 INFO L125 PetriNetUnfolderBase]: For 401/434 co-relation queries the response was YES. [2024-11-07 15:43:42,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4394 conditions, 3336 events. 609/3336 cut-off events. For 401/434 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24794 event pairs, 142 based on Foata normal form. 1/2704 useless extension candidates. Maximal degree in co-relation 3120. Up to 466 conditions per place. [2024-11-07 15:43:42,204 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 29 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-07 15:43:42,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 362 transitions, 837 flow [2024-11-07 15:43:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-07 15:43:42,209 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.919093851132686 [2024-11-07 15:43:42,209 INFO L175 Difference]: Start difference. First operand has 356 places, 351 transitions, 740 flow. Second operand 3 states and 1136 transitions. [2024-11-07 15:43:42,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 362 transitions, 837 flow [2024-11-07 15:43:42,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 362 transitions, 831 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:42,217 INFO L231 Difference]: Finished difference. Result has 356 places, 351 transitions, 744 flow [2024-11-07 15:43:42,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=356, PETRI_TRANSITIONS=351} [2024-11-07 15:43:42,218 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:42,219 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 351 transitions, 744 flow [2024-11-07 15:43:42,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 15:43:42,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:42,220 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:42,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 15:43:42,220 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:42,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2071319894, now seen corresponding path program 1 times [2024-11-07 15:43:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:42,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259654257] [2024-11-07 15:43:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:42,288 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 15:43:42,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:42,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259654257] [2024-11-07 15:43:42,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259654257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:42,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:42,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:42,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930007722] [2024-11-07 15:43:42,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:42,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:42,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:42,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:42,312 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:42,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 351 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 15:43:42,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:42,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:42,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:42,900 INFO L124 PetriNetUnfolderBase]: 486/3093 cut-off events. [2024-11-07 15:43:42,900 INFO L125 PetriNetUnfolderBase]: For 209/319 co-relation queries the response was YES. [2024-11-07 15:43:42,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4063 conditions, 3093 events. 486/3093 cut-off events. For 209/319 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24185 event pairs, 188 based on Foata normal form. 9/2597 useless extension candidates. Maximal degree in co-relation 3190. Up to 569 conditions per place. [2024-11-07 15:43:42,958 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-07 15:43:42,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 825 flow [2024-11-07 15:43:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-07 15:43:42,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-07 15:43:42,961 INFO L175 Difference]: Start difference. First operand has 356 places, 351 transitions, 744 flow. Second operand 3 states and 1128 transitions. [2024-11-07 15:43:42,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 825 flow [2024-11-07 15:43:42,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 358 transitions, 823 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:42,967 INFO L231 Difference]: Finished difference. Result has 356 places, 350 transitions, 744 flow [2024-11-07 15:43:42,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=356, PETRI_TRANSITIONS=350} [2024-11-07 15:43:42,968 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:42,968 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 350 transitions, 744 flow [2024-11-07 15:43:42,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.0) internal successors, (1104), 3 states have internal predecessors, (1104), 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 15:43:42,969 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:42,969 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:42,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 15:43:42,969 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:42,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:42,969 INFO L85 PathProgramCache]: Analyzing trace with hash -894883096, now seen corresponding path program 1 times [2024-11-07 15:43:42,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:42,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327462425] [2024-11-07 15:43:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:42,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:43,017 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 15:43:43,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:43,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327462425] [2024-11-07 15:43:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327462425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859635011] [2024-11-07 15:43:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:43,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:43,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:43,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:43,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 350 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 15:43:43,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:43,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:43,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:43,461 INFO L124 PetriNetUnfolderBase]: 406/2971 cut-off events. [2024-11-07 15:43:43,461 INFO L125 PetriNetUnfolderBase]: For 218/296 co-relation queries the response was YES. [2024-11-07 15:43:43,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3821 conditions, 2971 events. 406/2971 cut-off events. For 218/296 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 23189 event pairs, 89 based on Foata normal form. 9/2535 useless extension candidates. Maximal degree in co-relation 2949. Up to 299 conditions per place. [2024-11-07 15:43:43,515 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 31 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2024-11-07 15:43:43,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 363 transitions, 852 flow [2024-11-07 15:43:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2024-11-07 15:43:43,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9207119741100324 [2024-11-07 15:43:43,519 INFO L175 Difference]: Start difference. First operand has 356 places, 350 transitions, 744 flow. Second operand 3 states and 1138 transitions. [2024-11-07 15:43:43,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 363 transitions, 852 flow [2024-11-07 15:43:43,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 363 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:43,524 INFO L231 Difference]: Finished difference. Result has 356 places, 350 transitions, 748 flow [2024-11-07 15:43:43,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=356, PETRI_TRANSITIONS=350} [2024-11-07 15:43:43,525 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:43,525 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 350 transitions, 748 flow [2024-11-07 15:43:43,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 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 15:43:43,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:43,526 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:43,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 15:43:43,526 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread5Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:43,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:43,527 INFO L85 PathProgramCache]: Analyzing trace with hash 911133796, now seen corresponding path program 1 times [2024-11-07 15:43:43,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:43,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573874388] [2024-11-07 15:43:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:43,596 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 15:43:43,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573874388] [2024-11-07 15:43:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573874388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:43,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:43,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093597608] [2024-11-07 15:43:43,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:43,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:43,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:43,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:43,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:43,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:43,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 350 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:43,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:43,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:43,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:44,117 INFO L124 PetriNetUnfolderBase]: 528/2947 cut-off events. [2024-11-07 15:43:44,118 INFO L125 PetriNetUnfolderBase]: For 254/390 co-relation queries the response was YES. [2024-11-07 15:43:44,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 2947 events. 528/2947 cut-off events. For 254/390 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 22520 event pairs, 215 based on Foata normal form. 10/2465 useless extension candidates. Maximal degree in co-relation 3009. Up to 610 conditions per place. [2024-11-07 15:43:44,161 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 27 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-07 15:43:44,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 357 transitions, 828 flow [2024-11-07 15:43:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-07 15:43:44,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.912621359223301 [2024-11-07 15:43:44,164 INFO L175 Difference]: Start difference. First operand has 356 places, 350 transitions, 748 flow. Second operand 3 states and 1128 transitions. [2024-11-07 15:43:44,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 357 transitions, 828 flow [2024-11-07 15:43:44,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 357 transitions, 826 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:44,170 INFO L231 Difference]: Finished difference. Result has 356 places, 349 transitions, 748 flow [2024-11-07 15:43:44,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=356, PETRI_TRANSITIONS=349} [2024-11-07 15:43:44,171 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:44,171 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 349 transitions, 748 flow [2024-11-07 15:43:44,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:44,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:44,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:44,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 15:43:44,172 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:44,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1204443032, now seen corresponding path program 1 times [2024-11-07 15:43:44,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:44,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808850201] [2024-11-07 15:43:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:44,226 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 15:43:44,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:44,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808850201] [2024-11-07 15:43:44,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808850201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:44,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:44,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:44,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900264918] [2024-11-07 15:43:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:44,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:44,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:44,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:44,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:44,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 349 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:44,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:44,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:44,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:44,799 INFO L124 PetriNetUnfolderBase]: 712/3261 cut-off events. [2024-11-07 15:43:44,799 INFO L125 PetriNetUnfolderBase]: For 341/399 co-relation queries the response was YES. [2024-11-07 15:43:44,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4491 conditions, 3261 events. 712/3261 cut-off events. For 341/399 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 24931 event pairs, 245 based on Foata normal form. 0/2592 useless extension candidates. Maximal degree in co-relation 3441. Up to 744 conditions per place. [2024-11-07 15:43:44,828 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-07 15:43:44,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 357 transitions, 834 flow [2024-11-07 15:43:44,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-07 15:43:44,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-07 15:43:44,831 INFO L175 Difference]: Start difference. First operand has 356 places, 349 transitions, 748 flow. Second operand 3 states and 1129 transitions. [2024-11-07 15:43:44,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 357 transitions, 834 flow [2024-11-07 15:43:44,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 357 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:44,836 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 746 flow [2024-11-07 15:43:44,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-07 15:43:44,837 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-07 15:43:44,837 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 746 flow [2024-11-07 15:43:44,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 15:43:44,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:44,837 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:44,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 15:43:44,838 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread5Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:44,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:44,839 INFO L85 PathProgramCache]: Analyzing trace with hash -605340477, now seen corresponding path program 1 times [2024-11-07 15:43:44,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:44,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169671357] [2024-11-07 15:43:44,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:43:44,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:44,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169671357] [2024-11-07 15:43:44,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169671357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:44,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:44,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:44,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309388728] [2024-11-07 15:43:44,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:44,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:44,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:44,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:44,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:44,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:44,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:44,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:44,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:44,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:45,379 INFO L124 PetriNetUnfolderBase]: 433/3145 cut-off events. [2024-11-07 15:43:45,379 INFO L125 PetriNetUnfolderBase]: For 210/326 co-relation queries the response was YES. [2024-11-07 15:43:45,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4017 conditions, 3145 events. 433/3145 cut-off events. For 210/326 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 24504 event pairs, 105 based on Foata normal form. 10/2700 useless extension candidates. Maximal degree in co-relation 3049. Up to 339 conditions per place. [2024-11-07 15:43:45,421 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-07 15:43:45,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 360 transitions, 846 flow [2024-11-07 15:43:45,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-07 15:43:45,424 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-07 15:43:45,424 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 746 flow. Second operand 3 states and 1137 transitions. [2024-11-07 15:43:45,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 360 transitions, 846 flow [2024-11-07 15:43:45,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 360 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:45,430 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 750 flow [2024-11-07 15:43:45,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-07 15:43:45,431 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-07 15:43:45,431 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 750 flow [2024-11-07 15:43:45,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:45,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:45,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:45,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 15:43:45,432 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:45,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:45,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1406560618, now seen corresponding path program 1 times [2024-11-07 15:43:45,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:45,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611870743] [2024-11-07 15:43:45,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:45,473 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 15:43:45,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:45,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611870743] [2024-11-07 15:43:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611870743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:45,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:45,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:45,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760241092] [2024-11-07 15:43:45,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:45,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:45,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:45,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:45,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:45,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:45,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:45,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:45,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:45,953 INFO L124 PetriNetUnfolderBase]: 542/3144 cut-off events. [2024-11-07 15:43:45,953 INFO L125 PetriNetUnfolderBase]: For 272/318 co-relation queries the response was YES. [2024-11-07 15:43:45,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4144 conditions, 3144 events. 542/3144 cut-off events. For 272/318 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23785 event pairs, 117 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 3199. Up to 399 conditions per place. [2024-11-07 15:43:46,006 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 30 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-07 15:43:46,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 360 transitions, 851 flow [2024-11-07 15:43:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-07 15:43:46,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9199029126213593 [2024-11-07 15:43:46,008 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 750 flow. Second operand 3 states and 1137 transitions. [2024-11-07 15:43:46,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 360 transitions, 851 flow [2024-11-07 15:43:46,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 360 transitions, 849 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:46,013 INFO L231 Difference]: Finished difference. Result has 356 places, 348 transitions, 756 flow [2024-11-07 15:43:46,013 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=356, PETRI_TRANSITIONS=348} [2024-11-07 15:43:46,014 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:46,014 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 348 transitions, 756 flow [2024-11-07 15:43:46,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 15:43:46,014 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:46,014 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:46,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 15:43:46,015 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread6Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:46,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1175845953, now seen corresponding path program 1 times [2024-11-07 15:43:46,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:46,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54165251] [2024-11-07 15:43:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:46,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:46,058 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 15:43:46,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54165251] [2024-11-07 15:43:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54165251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146843776] [2024-11-07 15:43:46,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:46,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:46,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:46,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:46,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:46,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 412 [2024-11-07 15:43:46,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 348 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 15:43:46,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:46,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 412 [2024-11-07 15:43:46,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:46,746 INFO L124 PetriNetUnfolderBase]: 821/3691 cut-off events. [2024-11-07 15:43:46,746 INFO L125 PetriNetUnfolderBase]: For 436/461 co-relation queries the response was YES. [2024-11-07 15:43:46,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5078 conditions, 3691 events. 821/3691 cut-off events. For 436/461 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 28606 event pairs, 290 based on Foata normal form. 0/2960 useless extension candidates. Maximal degree in co-relation 3607. Up to 836 conditions per place. [2024-11-07 15:43:46,790 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 28 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-07 15:43:46,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 356 transitions, 841 flow [2024-11-07 15:43:46,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:46,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2024-11-07 15:43:46,792 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9134304207119741 [2024-11-07 15:43:46,793 INFO L175 Difference]: Start difference. First operand has 356 places, 348 transitions, 756 flow. Second operand 3 states and 1129 transitions. [2024-11-07 15:43:46,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 356 transitions, 841 flow [2024-11-07 15:43:46,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 356 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:43:46,797 INFO L231 Difference]: Finished difference. Result has 356 places, 347 transitions, 756 flow [2024-11-07 15:43:46,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=356, PETRI_TRANSITIONS=347} [2024-11-07 15:43:46,798 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -19 predicate places. [2024-11-07 15:43:46,798 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 347 transitions, 756 flow [2024-11-07 15:43:46,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 15:43:46,798 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:43:46,799 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:46,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 15:43:46,799 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread6Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-07 15:43:46,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:43:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash -125379082, now seen corresponding path program 1 times [2024-11-07 15:43:46,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:43:46,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702241911] [2024-11-07 15:43:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:43:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:43:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:43:46,856 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 15:43:46,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:43:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702241911] [2024-11-07 15:43:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702241911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:43:46,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:43:46,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:43:46,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94121622] [2024-11-07 15:43:46,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:43:46,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:43:46,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:43:46,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:43:46,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:43:46,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 412 [2024-11-07 15:43:46,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 347 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 15:43:46,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:43:46,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 412 [2024-11-07 15:43:46,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:43:47,406 INFO L124 PetriNetUnfolderBase]: 609/3532 cut-off events. [2024-11-07 15:43:47,406 INFO L125 PetriNetUnfolderBase]: For 401/426 co-relation queries the response was YES. [2024-11-07 15:43:47,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4731 conditions, 3532 events. 609/3532 cut-off events. For 401/426 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 27041 event pairs, 142 based on Foata normal form. 0/2964 useless extension candidates. Maximal degree in co-relation 3375. Up to 466 conditions per place. [2024-11-07 15:43:47,449 INFO L140 encePairwiseOnDemand]: 409/412 looper letters, 0 selfloop transitions, 0 changer transitions 358/358 dead transitions. [2024-11-07 15:43:47,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 853 flow [2024-11-07 15:43:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:43:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:43:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-07 15:43:47,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.919093851132686 [2024-11-07 15:43:47,450 INFO L175 Difference]: Start difference. First operand has 356 places, 347 transitions, 756 flow. Second operand 3 states and 1136 transitions. [2024-11-07 15:43:47,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 853 flow [2024-11-07 15:43:47,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 847 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:43:47,453 INFO L231 Difference]: Finished difference. Result has 355 places, 0 transitions, 0 flow [2024-11-07 15:43:47,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=355, PETRI_TRANSITIONS=0} [2024-11-07 15:43:47,454 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -20 predicate places. [2024-11-07 15:43:47,454 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 0 transitions, 0 flow [2024-11-07 15:43:47,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.6666666666667) internal successors, (1112), 3 states have internal predecessors, (1112), 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 15:43:47,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2024-11-07 15:43:47,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 50 remaining) [2024-11-07 15:43:47,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-11-07 15:43:47,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 50 remaining) [2024-11-07 15:43:47,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-11-07 15:43:47,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-11-07 15:43:47,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-11-07 15:43:47,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 15:43:47,462 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:43:47,468 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:43:47,468 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:43:47,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:43:47 BasicIcfg [2024-11-07 15:43:47,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:43:47,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:43:47,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:43:47,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:43:47,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:43:34" (3/4) ... [2024-11-07 15:43:47,478 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:43:47,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-07 15:43:47,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-07 15:43:47,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-07 15:43:47,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-07 15:43:47,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-11-07 15:43:47,482 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-11-07 15:43:47,486 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-07 15:43:47,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 15:43:47,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:43:47,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:43:47,566 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:43:47,566 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:43:47,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:43:47,567 INFO L158 Benchmark]: Toolchain (without parser) took 14679.76ms. Allocated memory was 117.4MB in the beginning and 897.6MB in the end (delta: 780.1MB). Free memory was 92.3MB in the beginning and 349.5MB in the end (delta: -257.1MB). Peak memory consumption was 523.7MB. Max. memory is 16.1GB. [2024-11-07 15:43:47,567 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:47,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:43:47,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.72ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:47,568 INFO L158 Benchmark]: Boogie Preprocessor took 50.21ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:43:47,568 INFO L158 Benchmark]: RCFGBuilder took 742.79ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 51.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 15:43:47,569 INFO L158 Benchmark]: TraceAbstraction took 13471.85ms. Allocated memory was 117.4MB in the beginning and 897.6MB in the end (delta: 780.1MB). Free memory was 50.8MB in the beginning and 357.8MB in the end (delta: -307.1MB). Peak memory consumption was 473.3MB. Max. memory is 16.1GB. [2024-11-07 15:43:47,569 INFO L158 Benchmark]: Witness Printer took 89.84ms. Allocated memory is still 897.6MB. Free memory was 357.8MB in the beginning and 349.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:43:47,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.72ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.21ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 76.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 742.79ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 51.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13471.85ms. Allocated memory was 117.4MB in the beginning and 897.6MB in the end (delta: 780.1MB). Free memory was 50.8MB in the beginning and 357.8MB in the end (delta: -307.1MB). Peak memory consumption was 473.3MB. Max. memory is 16.1GB. * Witness Printer took 89.84ms. Allocated memory is still 897.6MB. Free memory was 357.8MB in the beginning and 349.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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 13 procedures, 613 locations, 50 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: 13.2s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 576 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1278 IncrementalHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 103 mSDtfsCounter, 1278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=799occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2988 NumberOfCodeBlocks, 2988 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2964 ConstructedInterpolants, 0 QuantifiedInterpolants, 3012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:43:47,601 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