./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC --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 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:43:53,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:43:53,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:43:53,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:43:53,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:43:54,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:43:54,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:43:54,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:43:54,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:43:54,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:43:54,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:43:54,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:43:54,023 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:43:54,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:43:54,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:43:54,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:43:54,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:43:54,025 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:54,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:54,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:43:54,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:43:54,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:43:54,027 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC 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 -> 3855d6da0b439f4c6a497e897f140f408df8c7fd65e3042f0fafae1979048a3d [2024-11-23 18:43:54,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:43:54,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:43:54,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:43:54,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:43:54,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:43:54,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-23 18:43:58,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/data/46b4a2a76/92b30c2d9c1240cd817673cfb980bd83/FLAGc3f22021c [2024-11-23 18:43:58,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:43:58,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/sv-benchmarks/c/weaver/chl-name-comparator-subst.wvr.c [2024-11-23 18:43:58,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/data/46b4a2a76/92b30c2d9c1240cd817673cfb980bd83/FLAGc3f22021c [2024-11-23 18:43:58,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/data/46b4a2a76/92b30c2d9c1240cd817673cfb980bd83 [2024-11-23 18:43:58,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:43:58,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:43:58,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:58,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:43:58,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:43:58,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:58" (1/1) ... [2024-11-23 18:43:58,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787205c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:58, skipping insertion in model container [2024-11-23 18:43:58,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:43:58" (1/1) ... [2024-11-23 18:43:58,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:43:59,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:59,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:43:59,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:43:59,296 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:43:59,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59 WrapperNode [2024-11-23 18:43:59,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:43:59,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:59,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:43:59,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:43:59,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,407 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 844 [2024-11-23 18:43:59,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:43:59,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:43:59,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:43:59,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:43:59,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:43:59,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:43:59,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:43:59,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:43:59,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (1/1) ... [2024-11-23 18:43:59,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:43:59,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:43:59,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:43:59,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b149566-3129-4fed-8eb7-e2a0bdbd2997/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:43:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:43:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 18:43:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 18:43:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 18:43:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 18:43:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 18:43:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 18:43:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:43:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 18:43:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:43:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:43:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:43:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 18:43:59,595 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 18:43:59,840 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:43:59,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:44:01,538 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:44:01,539 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:44:01,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:44:01,588 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 18:44:01,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:01 BoogieIcfgContainer [2024-11-23 18:44:01,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:44:01,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:44:01,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:44:01,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:44:01,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:43:58" (1/3) ... [2024-11-23 18:44:01,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502a1abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:01, skipping insertion in model container [2024-11-23 18:44:01,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:43:59" (2/3) ... [2024-11-23 18:44:01,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502a1abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:01, skipping insertion in model container [2024-11-23 18:44:01,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:01" (3/3) ... [2024-11-23 18:44:01,608 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-subst.wvr.c [2024-11-23 18:44:01,626 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:44:01,628 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-name-comparator-subst.wvr.c that has 4 procedures, 1055 locations, 1 initial locations, 4 loop locations, and 151 error locations. [2024-11-23 18:44:01,629 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:44:01,991 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 18:44:02,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-23 18:44:03,137 INFO L124 PetriNetUnfolderBase]: 58/1109 cut-off events. [2024-11-23 18:44:03,143 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 18:44:03,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 1109 events. 58/1109 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3829 event pairs, 0 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 849. Up to 2 conditions per place. [2024-11-23 18:44:03,224 INFO L82 GeneralOperation]: Start removeDead. Operand has 1064 places, 1112 transitions, 2245 flow [2024-11-23 18:44:03,290 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1041 places, 1086 transitions, 2190 flow [2024-11-23 18:44:03,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:44:03,317 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;@6020466c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:44:03,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 283 error locations. [2024-11-23 18:44:03,332 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:44:03,332 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-23 18:44:03,332 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:44:03,333 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:03,334 INFO L206 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] [2024-11-23 18:44:03,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:03,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:03,342 INFO L85 PathProgramCache]: Analyzing trace with hash -363044075, now seen corresponding path program 1 times [2024-11-23 18:44:03,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:03,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347577663] [2024-11-23 18:44:03,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:03,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:03,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347577663] [2024-11-23 18:44:03,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347577663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:03,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:03,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:03,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60514085] [2024-11-23 18:44:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:03,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:03,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:03,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:03,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:03,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:03,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:03,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:03,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:03,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:10,518 INFO L124 PetriNetUnfolderBase]: 612/12182 cut-off events. [2024-11-23 18:44:10,519 INFO L125 PetriNetUnfolderBase]: For 67/85 co-relation queries the response was YES. [2024-11-23 18:44:10,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12467 conditions, 12182 events. 612/12182 cut-off events. For 67/85 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 122944 event pairs, 95 based on Foata normal form. 282/9859 useless extension candidates. Maximal degree in co-relation 12186. Up to 185 conditions per place. [2024-11-23 18:44:10,985 INFO L140 encePairwiseOnDemand]: 1091/1112 looper letters, 19 selfloop transitions, 2 changer transitions 2/1067 dead transitions. [2024-11-23 18:44:10,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1042 places, 1067 transitions, 2194 flow [2024-11-23 18:44:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions. [2024-11-23 18:44:11,030 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9733213429256595 [2024-11-23 18:44:11,036 INFO L175 Difference]: Start difference. First operand has 1041 places, 1086 transitions, 2190 flow. Second operand 3 states and 3247 transitions. [2024-11-23 18:44:11,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1042 places, 1067 transitions, 2194 flow [2024-11-23 18:44:11,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1036 places, 1067 transitions, 2182 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-23 18:44:11,079 INFO L231 Difference]: Finished difference. Result has 1036 places, 1065 transitions, 2140 flow [2024-11-23 18:44:11,085 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=1034, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1067, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1065, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2140, PETRI_PLACES=1036, PETRI_TRANSITIONS=1065} [2024-11-23 18:44:11,091 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -5 predicate places. [2024-11-23 18:44:11,091 INFO L471 AbstractCegarLoop]: Abstraction has has 1036 places, 1065 transitions, 2140 flow [2024-11-23 18:44:11,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:11,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:11,095 INFO L206 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] [2024-11-23 18:44:11,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:44:11,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:11,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1250184811, now seen corresponding path program 1 times [2024-11-23 18:44:11,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:11,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563005420] [2024-11-23 18:44:11,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:11,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563005420] [2024-11-23 18:44:11,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563005420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:11,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:11,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:11,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849581481] [2024-11-23 18:44:11,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:11,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:11,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:11,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:11,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:11,366 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:11,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:11,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:11,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:11,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:14,108 INFO L124 PetriNetUnfolderBase]: 226/4392 cut-off events. [2024-11-23 18:44:14,109 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-23 18:44:14,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 4392 events. 226/4392 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 32866 event pairs, 45 based on Foata normal form. 0/3471 useless extension candidates. Maximal degree in co-relation 4480. Up to 110 conditions per place. [2024-11-23 18:44:14,409 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1064 dead transitions. [2024-11-23 18:44:14,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1035 places, 1064 transitions, 2180 flow [2024-11-23 18:44:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-23 18:44:14,423 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-23 18:44:14,423 INFO L175 Difference]: Start difference. First operand has 1036 places, 1065 transitions, 2140 flow. Second operand 3 states and 3229 transitions. [2024-11-23 18:44:14,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1035 places, 1064 transitions, 2180 flow [2024-11-23 18:44:14,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1033 places, 1064 transitions, 2176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:14,456 INFO L231 Difference]: Finished difference. Result has 1033 places, 1064 transitions, 2138 flow [2024-11-23 18:44:14,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=1031, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1062, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2138, PETRI_PLACES=1033, PETRI_TRANSITIONS=1064} [2024-11-23 18:44:14,460 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -8 predicate places. [2024-11-23 18:44:14,460 INFO L471 AbstractCegarLoop]: Abstraction has has 1033 places, 1064 transitions, 2138 flow [2024-11-23 18:44:14,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:14,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:14,463 INFO L206 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] [2024-11-23 18:44:14,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:44:14,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:14,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -791742810, now seen corresponding path program 1 times [2024-11-23 18:44:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158542102] [2024-11-23 18:44:14,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:14,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158542102] [2024-11-23 18:44:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158542102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:14,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:14,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:14,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229953462] [2024-11-23 18:44:14,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:14,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:14,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:14,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:14,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:14,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:14,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:14,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:14,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:14,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:16,927 INFO L124 PetriNetUnfolderBase]: 240/3577 cut-off events. [2024-11-23 18:44:16,927 INFO L125 PetriNetUnfolderBase]: For 42/75 co-relation queries the response was YES. [2024-11-23 18:44:17,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 3577 events. 240/3577 cut-off events. For 42/75 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27398 event pairs, 95 based on Foata normal form. 0/2835 useless extension candidates. Maximal degree in co-relation 3727. Up to 185 conditions per place. [2024-11-23 18:44:17,094 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1063 dead transitions. [2024-11-23 18:44:17,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1034 places, 1063 transitions, 2178 flow [2024-11-23 18:44:17,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-23 18:44:17,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-23 18:44:17,104 INFO L175 Difference]: Start difference. First operand has 1033 places, 1064 transitions, 2138 flow. Second operand 3 states and 3229 transitions. [2024-11-23 18:44:17,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1034 places, 1063 transitions, 2178 flow [2024-11-23 18:44:17,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1032 places, 1063 transitions, 2174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:17,129 INFO L231 Difference]: Finished difference. Result has 1032 places, 1063 transitions, 2136 flow [2024-11-23 18:44:17,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2132, PETRI_DIFFERENCE_MINUEND_PLACES=1030, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1061, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2136, PETRI_PLACES=1032, PETRI_TRANSITIONS=1063} [2024-11-23 18:44:17,132 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -9 predicate places. [2024-11-23 18:44:17,133 INFO L471 AbstractCegarLoop]: Abstraction has has 1032 places, 1063 transitions, 2136 flow [2024-11-23 18:44:17,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:17,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:17,136 INFO L206 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] [2024-11-23 18:44:17,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:44:17,136 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:17,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:17,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1232912377, now seen corresponding path program 1 times [2024-11-23 18:44:17,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:17,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199974710] [2024-11-23 18:44:17,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:17,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199974710] [2024-11-23 18:44:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199974710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:17,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:17,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:17,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924477783] [2024-11-23 18:44:17,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:17,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:17,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:17,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:17,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:17,384 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 1112 [2024-11-23 18:44:17,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-23 18:44:17,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:17,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 1112 [2024-11-23 18:44:17,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:21,011 INFO L124 PetriNetUnfolderBase]: 245/5502 cut-off events. [2024-11-23 18:44:21,011 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-23 18:44:21,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5578 conditions, 5502 events. 245/5502 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 43690 event pairs, 16 based on Foata normal form. 0/4349 useless extension candidates. Maximal degree in co-relation 5521. Up to 51 conditions per place. [2024-11-23 18:44:21,237 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 18 selfloop transitions, 2 changer transitions 0/1062 dead transitions. [2024-11-23 18:44:21,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1033 places, 1062 transitions, 2174 flow [2024-11-23 18:44:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3231 transitions. [2024-11-23 18:44:21,247 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9685251798561151 [2024-11-23 18:44:21,247 INFO L175 Difference]: Start difference. First operand has 1032 places, 1063 transitions, 2136 flow. Second operand 3 states and 3231 transitions. [2024-11-23 18:44:21,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1033 places, 1062 transitions, 2174 flow [2024-11-23 18:44:21,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1031 places, 1062 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:21,272 INFO L231 Difference]: Finished difference. Result has 1031 places, 1062 transitions, 2134 flow [2024-11-23 18:44:21,274 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=1029, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2134, PETRI_PLACES=1031, PETRI_TRANSITIONS=1062} [2024-11-23 18:44:21,275 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -10 predicate places. [2024-11-23 18:44:21,276 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1062 transitions, 2134 flow [2024-11-23 18:44:21,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.3333333333333) internal successors, (3214), 3 states have internal predecessors, (3214), 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) [2024-11-23 18:44:21,279 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:21,279 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:21,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:44:21,280 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:21,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:21,281 INFO L85 PathProgramCache]: Analyzing trace with hash -874190496, now seen corresponding path program 1 times [2024-11-23 18:44:21,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:21,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470964556] [2024-11-23 18:44:21,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:21,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:21,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470964556] [2024-11-23 18:44:21,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470964556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:21,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:21,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562580083] [2024-11-23 18:44:21,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:21,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:21,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:21,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:21,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-23 18:44:21,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:21,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:21,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-23 18:44:21,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:22,444 INFO L124 PetriNetUnfolderBase]: 73/1611 cut-off events. [2024-11-23 18:44:22,444 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 18:44:22,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1672 conditions, 1611 events. 73/1611 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8191 event pairs, 12 based on Foata normal form. 0/1297 useless extension candidates. Maximal degree in co-relation 1607. Up to 40 conditions per place. [2024-11-23 18:44:22,522 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1061 dead transitions. [2024-11-23 18:44:22,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1061 transitions, 2166 flow [2024-11-23 18:44:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-23 18:44:22,530 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-23 18:44:22,531 INFO L175 Difference]: Start difference. First operand has 1031 places, 1062 transitions, 2134 flow. Second operand 3 states and 3237 transitions. [2024-11-23 18:44:22,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1061 transitions, 2166 flow [2024-11-23 18:44:22,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1061 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:22,555 INFO L231 Difference]: Finished difference. Result has 1030 places, 1061 transitions, 2132 flow [2024-11-23 18:44:22,557 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2128, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1061, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1059, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2132, PETRI_PLACES=1030, PETRI_TRANSITIONS=1061} [2024-11-23 18:44:22,559 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -11 predicate places. [2024-11-23 18:44:22,559 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1061 transitions, 2132 flow [2024-11-23 18:44:22,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:22,562 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:22,562 INFO L206 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] [2024-11-23 18:44:22,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:44:22,563 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:22,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1760837202, now seen corresponding path program 1 times [2024-11-23 18:44:22,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:22,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796933607] [2024-11-23 18:44:22,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:22,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:22,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:22,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796933607] [2024-11-23 18:44:22,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796933607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:22,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:22,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:22,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771556595] [2024-11-23 18:44:22,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:22,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:22,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:22,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:22,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-23 18:44:22,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:22,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:22,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-23 18:44:22,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:24,544 INFO L124 PetriNetUnfolderBase]: 167/3835 cut-off events. [2024-11-23 18:44:24,544 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-23 18:44:24,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3835 events. 167/3835 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 26003 event pairs, 10 based on Foata normal form. 0/3045 useless extension candidates. Maximal degree in co-relation 3816. Up to 35 conditions per place. [2024-11-23 18:44:24,727 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1060 dead transitions. [2024-11-23 18:44:24,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1031 places, 1060 transitions, 2162 flow [2024-11-23 18:44:24,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-23 18:44:24,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-23 18:44:24,961 INFO L175 Difference]: Start difference. First operand has 1030 places, 1061 transitions, 2132 flow. Second operand 3 states and 3239 transitions. [2024-11-23 18:44:24,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1031 places, 1060 transitions, 2162 flow [2024-11-23 18:44:24,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1029 places, 1060 transitions, 2158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:24,976 INFO L231 Difference]: Finished difference. Result has 1029 places, 1060 transitions, 2130 flow [2024-11-23 18:44:24,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=1027, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1060, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1058, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2130, PETRI_PLACES=1029, PETRI_TRANSITIONS=1060} [2024-11-23 18:44:24,982 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -12 predicate places. [2024-11-23 18:44:24,983 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1060 transitions, 2130 flow [2024-11-23 18:44:24,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:24,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:24,988 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:24,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:44:24,988 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:24,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:24,993 INFO L85 PathProgramCache]: Analyzing trace with hash -402132468, now seen corresponding path program 1 times [2024-11-23 18:44:24,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:24,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842198744] [2024-11-23 18:44:24,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:24,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:25,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:25,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842198744] [2024-11-23 18:44:25,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842198744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:25,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:25,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582439846] [2024-11-23 18:44:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:25,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:25,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:25,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:25,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:25,234 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-23 18:44:25,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:25,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:25,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-23 18:44:25,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:28,871 INFO L124 PetriNetUnfolderBase]: 349/7719 cut-off events. [2024-11-23 18:44:28,871 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-23 18:44:29,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7822 conditions, 7719 events. 349/7719 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 68322 event pairs, 24 based on Foata normal form. 0/6095 useless extension candidates. Maximal degree in co-relation 7741. Up to 70 conditions per place. [2024-11-23 18:44:29,110 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1059 dead transitions. [2024-11-23 18:44:29,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1059 transitions, 2174 flow [2024-11-23 18:44:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-23 18:44:29,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-23 18:44:29,119 INFO L175 Difference]: Start difference. First operand has 1029 places, 1060 transitions, 2130 flow. Second operand 3 states and 3225 transitions. [2024-11-23 18:44:29,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1059 transitions, 2174 flow [2024-11-23 18:44:29,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1059 transitions, 2170 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:29,147 INFO L231 Difference]: Finished difference. Result has 1028 places, 1059 transitions, 2128 flow [2024-11-23 18:44:29,149 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2124, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1059, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1057, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2128, PETRI_PLACES=1028, PETRI_TRANSITIONS=1059} [2024-11-23 18:44:29,149 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -13 predicate places. [2024-11-23 18:44:29,150 INFO L471 AbstractCegarLoop]: Abstraction has has 1028 places, 1059 transitions, 2128 flow [2024-11-23 18:44:29,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:29,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:29,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:29,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:44:29,152 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:29,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:29,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2001063173, now seen corresponding path program 1 times [2024-11-23 18:44:29,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:29,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184788796] [2024-11-23 18:44:29,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:29,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:29,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:29,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184788796] [2024-11-23 18:44:29,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184788796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:29,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:29,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:29,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923070598] [2024-11-23 18:44:29,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:29,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:29,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:29,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:29,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:29,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:29,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:29,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:29,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:29,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:31,628 INFO L124 PetriNetUnfolderBase]: 149/3282 cut-off events. [2024-11-23 18:44:31,628 INFO L125 PetriNetUnfolderBase]: For 9/33 co-relation queries the response was YES. [2024-11-23 18:44:31,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 3282 events. 149/3282 cut-off events. For 9/33 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 21540 event pairs, 16 based on Foata normal form. 0/2610 useless extension candidates. Maximal degree in co-relation 3262. Up to 52 conditions per place. [2024-11-23 18:44:31,735 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1058 dead transitions. [2024-11-23 18:44:31,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1029 places, 1058 transitions, 2168 flow [2024-11-23 18:44:31,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-23 18:44:31,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-23 18:44:31,739 INFO L175 Difference]: Start difference. First operand has 1028 places, 1059 transitions, 2128 flow. Second operand 3 states and 3229 transitions. [2024-11-23 18:44:31,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1029 places, 1058 transitions, 2168 flow [2024-11-23 18:44:31,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1058 transitions, 2164 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:31,758 INFO L231 Difference]: Finished difference. Result has 1027 places, 1058 transitions, 2126 flow [2024-11-23 18:44:31,760 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2122, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1056, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1027, PETRI_TRANSITIONS=1058} [2024-11-23 18:44:31,761 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -14 predicate places. [2024-11-23 18:44:31,761 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1058 transitions, 2126 flow [2024-11-23 18:44:31,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:31,764 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:31,764 INFO L206 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] [2024-11-23 18:44:31,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:44:31,764 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:31,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:31,765 INFO L85 PathProgramCache]: Analyzing trace with hash -574454915, now seen corresponding path program 1 times [2024-11-23 18:44:31,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:31,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955960797] [2024-11-23 18:44:31,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:31,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:31,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:31,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955960797] [2024-11-23 18:44:31,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955960797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:31,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:31,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:31,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647591822] [2024-11-23 18:44:31,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:31,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:31,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:31,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:31,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:31,904 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-23 18:44:31,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:31,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:31,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-23 18:44:31,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:32,761 INFO L124 PetriNetUnfolderBase]: 73/1607 cut-off events. [2024-11-23 18:44:32,762 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2024-11-23 18:44:32,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1607 events. 73/1607 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7769 event pairs, 12 based on Foata normal form. 0/1294 useless extension candidates. Maximal degree in co-relation 1565. Up to 40 conditions per place. [2024-11-23 18:44:32,855 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1057 dead transitions. [2024-11-23 18:44:32,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1028 places, 1057 transitions, 2158 flow [2024-11-23 18:44:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-23 18:44:32,861 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-23 18:44:32,861 INFO L175 Difference]: Start difference. First operand has 1027 places, 1058 transitions, 2126 flow. Second operand 3 states and 3237 transitions. [2024-11-23 18:44:32,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1028 places, 1057 transitions, 2158 flow [2024-11-23 18:44:32,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1026 places, 1057 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:32,880 INFO L231 Difference]: Finished difference. Result has 1026 places, 1057 transitions, 2124 flow [2024-11-23 18:44:32,882 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2120, PETRI_DIFFERENCE_MINUEND_PLACES=1024, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1057, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1055, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2124, PETRI_PLACES=1026, PETRI_TRANSITIONS=1057} [2024-11-23 18:44:32,882 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -15 predicate places. [2024-11-23 18:44:32,883 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1057 transitions, 2124 flow [2024-11-23 18:44:32,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:32,885 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:32,885 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:32,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:44:32,885 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:32,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:32,886 INFO L85 PathProgramCache]: Analyzing trace with hash -193584777, now seen corresponding path program 1 times [2024-11-23 18:44:32,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:32,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955362122] [2024-11-23 18:44:32,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:32,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:32,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:32,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955362122] [2024-11-23 18:44:32,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955362122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:32,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:32,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:32,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57209420] [2024-11-23 18:44:32,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:32,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:32,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:32,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:32,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:33,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-23 18:44:33,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:33,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:33,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-23 18:44:33,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:34,532 INFO L124 PetriNetUnfolderBase]: 107/2446 cut-off events. [2024-11-23 18:44:34,533 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-23 18:44:34,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2446 events. 107/2446 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13653 event pairs, 10 based on Foata normal form. 0/1958 useless extension candidates. Maximal degree in co-relation 2390. Up to 35 conditions per place. [2024-11-23 18:44:34,658 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1056 dead transitions. [2024-11-23 18:44:34,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1056 transitions, 2154 flow [2024-11-23 18:44:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-23 18:44:34,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-23 18:44:34,664 INFO L175 Difference]: Start difference. First operand has 1026 places, 1057 transitions, 2124 flow. Second operand 3 states and 3239 transitions. [2024-11-23 18:44:34,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1056 transitions, 2154 flow [2024-11-23 18:44:34,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1025 places, 1056 transitions, 2150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:34,682 INFO L231 Difference]: Finished difference. Result has 1025 places, 1056 transitions, 2122 flow [2024-11-23 18:44:34,684 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2118, PETRI_DIFFERENCE_MINUEND_PLACES=1023, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1054, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=1025, PETRI_TRANSITIONS=1056} [2024-11-23 18:44:34,686 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -16 predicate places. [2024-11-23 18:44:34,686 INFO L471 AbstractCegarLoop]: Abstraction has has 1025 places, 1056 transitions, 2122 flow [2024-11-23 18:44:34,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:34,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:34,690 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:34,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:44:34,691 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:34,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:34,692 INFO L85 PathProgramCache]: Analyzing trace with hash -67509746, now seen corresponding path program 1 times [2024-11-23 18:44:34,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:34,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301484472] [2024-11-23 18:44:34,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:34,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:34,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:34,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301484472] [2024-11-23 18:44:34,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301484472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:34,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:34,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:34,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213092166] [2024-11-23 18:44:34,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:34,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:34,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:34,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:34,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:34,922 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-23 18:44:34,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:34,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:34,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-23 18:44:34,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:37,283 INFO L124 PetriNetUnfolderBase]: 205/4391 cut-off events. [2024-11-23 18:44:37,283 INFO L125 PetriNetUnfolderBase]: For 13/111 co-relation queries the response was YES. [2024-11-23 18:44:37,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4482 conditions, 4391 events. 205/4391 cut-off events. For 13/111 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 32423 event pairs, 24 based on Foata normal form. 0/3479 useless extension candidates. Maximal degree in co-relation 4369. Up to 70 conditions per place. [2024-11-23 18:44:37,589 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1055 dead transitions. [2024-11-23 18:44:37,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 1055 transitions, 2166 flow [2024-11-23 18:44:37,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-23 18:44:37,596 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-23 18:44:37,596 INFO L175 Difference]: Start difference. First operand has 1025 places, 1056 transitions, 2122 flow. Second operand 3 states and 3225 transitions. [2024-11-23 18:44:37,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1026 places, 1055 transitions, 2166 flow [2024-11-23 18:44:37,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1055 transitions, 2162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:37,612 INFO L231 Difference]: Finished difference. Result has 1024 places, 1055 transitions, 2120 flow [2024-11-23 18:44:37,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2116, PETRI_DIFFERENCE_MINUEND_PLACES=1022, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2120, PETRI_PLACES=1024, PETRI_TRANSITIONS=1055} [2024-11-23 18:44:37,614 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -17 predicate places. [2024-11-23 18:44:37,614 INFO L471 AbstractCegarLoop]: Abstraction has has 1024 places, 1055 transitions, 2120 flow [2024-11-23 18:44:37,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:37,617 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:37,617 INFO L206 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] [2024-11-23 18:44:37,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:44:37,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:37,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash 414751687, now seen corresponding path program 1 times [2024-11-23 18:44:37,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:37,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145837356] [2024-11-23 18:44:37,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:37,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:37,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:37,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145837356] [2024-11-23 18:44:37,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145837356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:37,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:37,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:37,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859713385] [2024-11-23 18:44:37,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:37,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:37,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:37,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:37,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:37,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:37,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:37,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:37,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:38,578 INFO L124 PetriNetUnfolderBase]: 77/1572 cut-off events. [2024-11-23 18:44:38,578 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-23 18:44:38,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 1572 events. 77/1572 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7466 event pairs, 16 based on Foata normal form. 0/1275 useless extension candidates. Maximal degree in co-relation 1514. Up to 54 conditions per place. [2024-11-23 18:44:38,636 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 19 selfloop transitions, 2 changer transitions 0/1054 dead transitions. [2024-11-23 18:44:38,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1054 transitions, 2160 flow [2024-11-23 18:44:38,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3229 transitions. [2024-11-23 18:44:38,642 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.967925659472422 [2024-11-23 18:44:38,642 INFO L175 Difference]: Start difference. First operand has 1024 places, 1055 transitions, 2120 flow. Second operand 3 states and 3229 transitions. [2024-11-23 18:44:38,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1054 transitions, 2160 flow [2024-11-23 18:44:38,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1023 places, 1054 transitions, 2156 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:38,660 INFO L231 Difference]: Finished difference. Result has 1023 places, 1054 transitions, 2118 flow [2024-11-23 18:44:38,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2114, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1054, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1052, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2118, PETRI_PLACES=1023, PETRI_TRANSITIONS=1054} [2024-11-23 18:44:38,662 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -18 predicate places. [2024-11-23 18:44:38,663 INFO L471 AbstractCegarLoop]: Abstraction has has 1023 places, 1054 transitions, 2118 flow [2024-11-23 18:44:38,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1070.3333333333333) internal successors, (3211), 3 states have internal predecessors, (3211), 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) [2024-11-23 18:44:38,665 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:38,665 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:38,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:44:38,665 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:38,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:38,666 INFO L85 PathProgramCache]: Analyzing trace with hash -440759441, now seen corresponding path program 1 times [2024-11-23 18:44:38,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:38,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957053187] [2024-11-23 18:44:38,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:38,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:38,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:38,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957053187] [2024-11-23 18:44:38,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957053187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:38,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:38,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:38,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629355357] [2024-11-23 18:44:38,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:38,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:38,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:38,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:38,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:38,801 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1073 out of 1112 [2024-11-23 18:44:38,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:38,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:38,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1073 of 1112 [2024-11-23 18:44:38,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:39,999 INFO L124 PetriNetUnfolderBase]: 73/1603 cut-off events. [2024-11-23 18:44:40,000 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-23 18:44:40,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 1603 events. 73/1603 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7305 event pairs, 12 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1523. Up to 40 conditions per place. [2024-11-23 18:44:40,112 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 15 selfloop transitions, 2 changer transitions 0/1053 dead transitions. [2024-11-23 18:44:40,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1053 transitions, 2150 flow [2024-11-23 18:44:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3237 transitions. [2024-11-23 18:44:40,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703237410071942 [2024-11-23 18:44:40,122 INFO L175 Difference]: Start difference. First operand has 1023 places, 1054 transitions, 2118 flow. Second operand 3 states and 3237 transitions. [2024-11-23 18:44:40,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1053 transitions, 2150 flow [2024-11-23 18:44:40,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1053 transitions, 2146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:40,148 INFO L231 Difference]: Finished difference. Result has 1022 places, 1053 transitions, 2116 flow [2024-11-23 18:44:40,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2112, PETRI_DIFFERENCE_MINUEND_PLACES=1020, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1053, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1051, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1053} [2024-11-23 18:44:40,152 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-23 18:44:40,152 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1053 transitions, 2116 flow [2024-11-23 18:44:40,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1074.3333333333333) internal successors, (3223), 3 states have internal predecessors, (3223), 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) [2024-11-23 18:44:40,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:40,154 INFO L206 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] [2024-11-23 18:44:40,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:44:40,155 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:40,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1823834503, now seen corresponding path program 1 times [2024-11-23 18:44:40,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:40,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423278305] [2024-11-23 18:44:40,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:40,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:40,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423278305] [2024-11-23 18:44:40,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423278305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:40,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:40,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:40,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861091016] [2024-11-23 18:44:40,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:40,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:40,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:40,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:40,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:40,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 1112 [2024-11-23 18:44:40,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:40,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:40,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 1112 [2024-11-23 18:44:40,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:41,165 INFO L124 PetriNetUnfolderBase]: 47/1072 cut-off events. [2024-11-23 18:44:41,165 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-23 18:44:41,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1072 events. 47/1072 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4401 event pairs, 10 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 979. Up to 35 conditions per place. [2024-11-23 18:44:41,251 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 14 selfloop transitions, 2 changer transitions 0/1052 dead transitions. [2024-11-23 18:44:41,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1052 transitions, 2146 flow [2024-11-23 18:44:41,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3239 transitions. [2024-11-23 18:44:41,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9709232613908872 [2024-11-23 18:44:41,260 INFO L175 Difference]: Start difference. First operand has 1022 places, 1053 transitions, 2116 flow. Second operand 3 states and 3239 transitions. [2024-11-23 18:44:41,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1052 transitions, 2146 flow [2024-11-23 18:44:41,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1052 transitions, 2142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:41,286 INFO L231 Difference]: Finished difference. Result has 1021 places, 1052 transitions, 2114 flow [2024-11-23 18:44:41,288 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2110, PETRI_DIFFERENCE_MINUEND_PLACES=1019, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1052, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1050, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2114, PETRI_PLACES=1021, PETRI_TRANSITIONS=1052} [2024-11-23 18:44:41,290 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -20 predicate places. [2024-11-23 18:44:41,290 INFO L471 AbstractCegarLoop]: Abstraction has has 1021 places, 1052 transitions, 2114 flow [2024-11-23 18:44:41,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1075.3333333333333) internal successors, (3226), 3 states have internal predecessors, (3226), 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) [2024-11-23 18:44:41,292 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:41,293 INFO L206 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] [2024-11-23 18:44:41,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:44:41,294 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:41,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 532073289, now seen corresponding path program 1 times [2024-11-23 18:44:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248853860] [2024-11-23 18:44:41,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:41,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:41,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248853860] [2024-11-23 18:44:41,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248853860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:41,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:41,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:41,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372397698] [2024-11-23 18:44:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:41,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:41,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:41,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:41,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:41,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1067 out of 1112 [2024-11-23 18:44:41,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:41,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:41,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1067 of 1112 [2024-11-23 18:44:41,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:42,383 INFO L124 PetriNetUnfolderBase]: 85/1601 cut-off events. [2024-11-23 18:44:42,383 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-23 18:44:42,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1601 events. 85/1601 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8357 event pairs, 24 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1535. Up to 70 conditions per place. [2024-11-23 18:44:42,488 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 21 selfloop transitions, 2 changer transitions 0/1051 dead transitions. [2024-11-23 18:44:42,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1051 transitions, 2158 flow [2024-11-23 18:44:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3225 transitions. [2024-11-23 18:44:42,495 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.966726618705036 [2024-11-23 18:44:42,496 INFO L175 Difference]: Start difference. First operand has 1021 places, 1052 transitions, 2114 flow. Second operand 3 states and 3225 transitions. [2024-11-23 18:44:42,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1051 transitions, 2158 flow [2024-11-23 18:44:42,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1020 places, 1051 transitions, 2154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:42,519 INFO L231 Difference]: Finished difference. Result has 1020 places, 1051 transitions, 2112 flow [2024-11-23 18:44:42,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2108, PETRI_DIFFERENCE_MINUEND_PLACES=1018, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1051, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2112, PETRI_PLACES=1020, PETRI_TRANSITIONS=1051} [2024-11-23 18:44:42,521 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -21 predicate places. [2024-11-23 18:44:42,522 INFO L471 AbstractCegarLoop]: Abstraction has has 1020 places, 1051 transitions, 2112 flow [2024-11-23 18:44:42,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1068.3333333333333) internal successors, (3205), 3 states have internal predecessors, (3205), 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) [2024-11-23 18:44:42,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:42,523 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:42,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:44:42,523 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:42,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:42,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1109568430, now seen corresponding path program 1 times [2024-11-23 18:44:42,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:42,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040241054] [2024-11-23 18:44:42,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:42,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:43,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040241054] [2024-11-23 18:44:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040241054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:43,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:43,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:44:43,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566286036] [2024-11-23 18:44:43,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:43,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:44:43,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:43,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:44:43,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:44:43,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 1112 [2024-11-23 18:44:43,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 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) [2024-11-23 18:44:43,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:43,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 1112 [2024-11-23 18:44:43,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:50,731 INFO L124 PetriNetUnfolderBase]: 893/12791 cut-off events. [2024-11-23 18:44:50,731 INFO L125 PetriNetUnfolderBase]: For 59/69 co-relation queries the response was YES. [2024-11-23 18:44:51,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13411 conditions, 12791 events. 893/12791 cut-off events. For 59/69 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 132437 event pairs, 264 based on Foata normal form. 0/10061 useless extension candidates. Maximal degree in co-relation 13259. Up to 580 conditions per place. [2024-11-23 18:44:51,459 INFO L140 encePairwiseOnDemand]: 1106/1112 looper letters, 26 selfloop transitions, 5 changer transitions 0/1050 dead transitions. [2024-11-23 18:44:51,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1024 places, 1050 transitions, 2172 flow [2024-11-23 18:44:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:44:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:44:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6392 transitions. [2024-11-23 18:44:51,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9580335731414868 [2024-11-23 18:44:51,478 INFO L175 Difference]: Start difference. First operand has 1020 places, 1051 transitions, 2112 flow. Second operand 6 states and 6392 transitions. [2024-11-23 18:44:51,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1024 places, 1050 transitions, 2172 flow [2024-11-23 18:44:51,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1022 places, 1050 transitions, 2168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:51,503 INFO L231 Difference]: Finished difference. Result has 1022 places, 1050 transitions, 2116 flow [2024-11-23 18:44:51,505 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2106, PETRI_DIFFERENCE_MINUEND_PLACES=1017, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1045, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2116, PETRI_PLACES=1022, PETRI_TRANSITIONS=1050} [2024-11-23 18:44:51,505 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -19 predicate places. [2024-11-23 18:44:51,506 INFO L471 AbstractCegarLoop]: Abstraction has has 1022 places, 1050 transitions, 2116 flow [2024-11-23 18:44:51,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1061.5) internal successors, (6369), 6 states have internal predecessors, (6369), 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) [2024-11-23 18:44:51,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:51,509 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:51,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:44:51,510 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:51,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:51,511 INFO L85 PathProgramCache]: Analyzing trace with hash 973533647, now seen corresponding path program 1 times [2024-11-23 18:44:51,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:51,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832889458] [2024-11-23 18:44:51,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:51,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:51,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832889458] [2024-11-23 18:44:51,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832889458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:51,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:51,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446899710] [2024-11-23 18:44:51,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:51,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:51,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:51,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:51,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:51,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1076 out of 1112 [2024-11-23 18:44:51,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1022 places, 1050 transitions, 2116 flow. Second operand has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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) [2024-11-23 18:44:51,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:51,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1076 of 1112 [2024-11-23 18:44:51,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:53,465 INFO L124 PetriNetUnfolderBase]: 121/2610 cut-off events. [2024-11-23 18:44:53,466 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-23 18:44:53,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 2610 events. 121/2610 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 14440 event pairs, 15 based on Foata normal form. 0/2092 useless extension candidates. Maximal degree in co-relation 2651. Up to 43 conditions per place. [2024-11-23 18:44:53,644 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 12 selfloop transitions, 2 changer transitions 0/1049 dead transitions. [2024-11-23 18:44:53,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 1049 transitions, 2142 flow [2024-11-23 18:44:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3243 transitions. [2024-11-23 18:44:53,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9721223021582733 [2024-11-23 18:44:53,654 INFO L175 Difference]: Start difference. First operand has 1022 places, 1050 transitions, 2116 flow. Second operand 3 states and 3243 transitions. [2024-11-23 18:44:53,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 1049 transitions, 2142 flow [2024-11-23 18:44:53,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1018 places, 1049 transitions, 2132 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 18:44:53,680 INFO L231 Difference]: Finished difference. Result has 1018 places, 1049 transitions, 2108 flow [2024-11-23 18:44:53,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1047, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2108, PETRI_PLACES=1018, PETRI_TRANSITIONS=1049} [2024-11-23 18:44:53,682 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -23 predicate places. [2024-11-23 18:44:53,682 INFO L471 AbstractCegarLoop]: Abstraction has has 1018 places, 1049 transitions, 2108 flow [2024-11-23 18:44:53,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.3333333333333) internal successors, (3232), 3 states have internal predecessors, (3232), 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) [2024-11-23 18:44:53,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:53,684 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:53,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:44:53,685 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:53,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:53,686 INFO L85 PathProgramCache]: Analyzing trace with hash 139454427, now seen corresponding path program 1 times [2024-11-23 18:44:53,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:53,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592556514] [2024-11-23 18:44:53,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:53,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:53,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:53,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592556514] [2024-11-23 18:44:53,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592556514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:53,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:53,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:53,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267238897] [2024-11-23 18:44:53,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:53,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:53,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:53,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:53,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1075 out of 1112 [2024-11-23 18:44:53,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 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) [2024-11-23 18:44:53,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:53,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1075 of 1112 [2024-11-23 18:44:53,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:44:55,900 INFO L124 PetriNetUnfolderBase]: 163/3539 cut-off events. [2024-11-23 18:44:55,901 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-23 18:44:56,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3617 conditions, 3539 events. 163/3539 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22881 event pairs, 9 based on Foata normal form. 0/2821 useless extension candidates. Maximal degree in co-relation 3417. Up to 43 conditions per place. [2024-11-23 18:44:56,121 INFO L140 encePairwiseOnDemand]: 1109/1112 looper letters, 16 selfloop transitions, 2 changer transitions 0/1050 dead transitions. [2024-11-23 18:44:56,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1019 places, 1050 transitions, 2148 flow [2024-11-23 18:44:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:44:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3244 transitions. [2024-11-23 18:44:56,129 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9724220623501199 [2024-11-23 18:44:56,129 INFO L175 Difference]: Start difference. First operand has 1018 places, 1049 transitions, 2108 flow. Second operand 3 states and 3244 transitions. [2024-11-23 18:44:56,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1019 places, 1050 transitions, 2148 flow [2024-11-23 18:44:56,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1017 places, 1050 transitions, 2144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:44:56,148 INFO L231 Difference]: Finished difference. Result has 1017 places, 1048 transitions, 2106 flow [2024-11-23 18:44:56,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1112, PETRI_DIFFERENCE_MINUEND_FLOW=2102, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1048, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2106, PETRI_PLACES=1017, PETRI_TRANSITIONS=1048} [2024-11-23 18:44:56,150 INFO L279 CegarLoopForPetriNet]: 1041 programPoint places, -24 predicate places. [2024-11-23 18:44:56,150 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1048 transitions, 2106 flow [2024-11-23 18:44:56,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1076.6666666666667) internal successors, (3230), 3 states have internal predecessors, (3230), 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) [2024-11-23 18:44:56,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:44:56,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:56,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 18:44:56,152 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 279 more)] === [2024-11-23 18:44:56,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 71724745, now seen corresponding path program 1 times [2024-11-23 18:44:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916967614] [2024-11-23 18:44:56,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:44:56,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:56,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916967614] [2024-11-23 18:44:56,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916967614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:56,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:56,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:44:56,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743415263] [2024-11-23 18:44:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:56,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:44:56,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:56,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:44:56,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:56,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 1112 [2024-11-23 18:44:56,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1048 transitions, 2106 flow. Second operand has 3 states, 3 states have (on average 1070.6666666666667) internal successors, (3212), 3 states have internal predecessors, (3212), 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) [2024-11-23 18:44:56,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:44:56,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 1112 [2024-11-23 18:44:56,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand