./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:53:40,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:53:40,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:53:40,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:53:40,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:53:40,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:53:40,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:53:40,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:53:40,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:53:40,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:53:40,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:53:40,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:53:40,117 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:53:40,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:53:40,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:53:40,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:53:40,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:53:40,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:53:40,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:53:40,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:53:40,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:53:40,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:53:40,141 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:53:40,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:53:40,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:40,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:53:40,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:53:40,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:53:40,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:53:40,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:53:40,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:53:40,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2024-11-09 06:53:40,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:53:40,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:53:40,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:53:40,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:53:40,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:53:40,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2024-11-09 06:53:41,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:53:42,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:53:42,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2024-11-09 06:53:42,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312666c59/c62fa74b06fe4dfca7550b9fca652651/FLAG5324cea69 [2024-11-09 06:53:42,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312666c59/c62fa74b06fe4dfca7550b9fca652651 [2024-11-09 06:53:42,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:53:42,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:53:42,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:42,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:53:42,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:53:42,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bbf132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42, skipping insertion in model container [2024-11-09 06:53:42,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:53:42,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:42,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:53:42,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:42,865 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:53:42,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42 WrapperNode [2024-11-09 06:53:42,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:42,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:42,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:53:42,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:53:42,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,921 INFO L138 Inliner]: procedures = 370, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 244 [2024-11-09 06:53:42,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:42,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:53:42,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:53:42,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:53:42,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:53:42,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:53:42,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:53:42,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:53:42,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (1/1) ... [2024-11-09 06:53:42,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:42,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:43,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:53:43,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:53:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:53:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:53:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:53:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:53:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:53:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:53:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:53:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:53:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:53:43,063 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:53:43,222 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:53:43,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:53:43,671 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:53:43,674 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:53:43,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:53:43,713 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:53:43,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:43 BoogieIcfgContainer [2024-11-09 06:53:43,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:53:43,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:53:43,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:53:43,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:53:43,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:53:42" (1/3) ... [2024-11-09 06:53:43,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bb1b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:43, skipping insertion in model container [2024-11-09 06:53:43,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:42" (2/3) ... [2024-11-09 06:53:43,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bb1b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:43, skipping insertion in model container [2024-11-09 06:53:43,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:43" (3/3) ... [2024-11-09 06:53:43,721 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2024-11-09 06:53:43,737 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:53:43,737 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-09 06:53:43,737 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:53:43,810 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:53:43,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 273 transitions, 550 flow [2024-11-09 06:53:43,938 INFO L124 PetriNetUnfolderBase]: 2/272 cut-off events. [2024-11-09 06:53:43,940 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:43,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 272 events. 2/272 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2024-11-09 06:53:43,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 273 transitions, 550 flow [2024-11-09 06:53:43,954 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 274 places, 272 transitions, 547 flow [2024-11-09 06:53:43,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:53:43,972 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;@2420f396, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:53:43,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 06:53:43,980 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:53:43,981 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-11-09 06:53:43,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:43,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:43,982 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:43,983 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:43,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:43,987 INFO L85 PathProgramCache]: Analyzing trace with hash 588289797, now seen corresponding path program 1 times [2024-11-09 06:53:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:43,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654624351] [2024-11-09 06:53:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:43,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:44,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:44,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654624351] [2024-11-09 06:53:44,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654624351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:44,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:44,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:44,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988953760] [2024-11-09 06:53:44,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:44,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:44,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:44,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:44,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:45,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 273 [2024-11-09 06:53:45,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 272 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 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) [2024-11-09 06:53:45,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:45,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 273 [2024-11-09 06:53:45,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:45,826 INFO L124 PetriNetUnfolderBase]: 1377/4968 cut-off events. [2024-11-09 06:53:45,826 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:53:45,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7762 conditions, 4968 events. 1377/4968 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 37213 event pairs, 1344 based on Foata normal form. 36/4638 useless extension candidates. Maximal degree in co-relation 7665. Up to 2785 conditions per place. [2024-11-09 06:53:45,852 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 92 selfloop transitions, 5 changer transitions 0/270 dead transitions. [2024-11-09 06:53:45,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 270 transitions, 737 flow [2024-11-09 06:53:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:45,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1143 transitions. [2024-11-09 06:53:45,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6978021978021978 [2024-11-09 06:53:45,873 INFO L175 Difference]: Start difference. First operand has 274 places, 272 transitions, 547 flow. Second operand 6 states and 1143 transitions. [2024-11-09 06:53:45,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 270 transitions, 737 flow [2024-11-09 06:53:45,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 270 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:45,883 INFO L231 Difference]: Finished difference. Result has 277 places, 270 transitions, 552 flow [2024-11-09 06:53:45,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=277, PETRI_TRANSITIONS=270} [2024-11-09 06:53:45,887 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 3 predicate places. [2024-11-09 06:53:45,889 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 270 transitions, 552 flow [2024-11-09 06:53:45,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 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) [2024-11-09 06:53:45,890 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:45,890 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:45,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:53:45,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:45,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash 88798604, now seen corresponding path program 1 times [2024-11-09 06:53:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411509894] [2024-11-09 06:53:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:46,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411509894] [2024-11-09 06:53:46,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411509894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:46,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:46,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:46,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064831767] [2024-11-09 06:53:46,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:46,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:46,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:46,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:46,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:46,653 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2024-11-09 06:53:46,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 270 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 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) [2024-11-09 06:53:46,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:46,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2024-11-09 06:53:46,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:47,558 INFO L124 PetriNetUnfolderBase]: 762/4047 cut-off events. [2024-11-09 06:53:47,558 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:53:47,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5631 conditions, 4047 events. 762/4047 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 31117 event pairs, 460 based on Foata normal form. 0/3686 useless extension candidates. Maximal degree in co-relation 5584. Up to 1372 conditions per place. [2024-11-09 06:53:47,577 INFO L140 encePairwiseOnDemand]: 241/273 looper letters, 81 selfloop transitions, 90 changer transitions 0/370 dead transitions. [2024-11-09 06:53:47,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 370 transitions, 1094 flow [2024-11-09 06:53:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1379 transitions. [2024-11-09 06:53:47,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8418803418803419 [2024-11-09 06:53:47,581 INFO L175 Difference]: Start difference. First operand has 277 places, 270 transitions, 552 flow. Second operand 6 states and 1379 transitions. [2024-11-09 06:53:47,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 370 transitions, 1094 flow [2024-11-09 06:53:47,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 370 transitions, 1084 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:47,593 INFO L231 Difference]: Finished difference. Result has 281 places, 353 transitions, 1118 flow [2024-11-09 06:53:47,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1118, PETRI_PLACES=281, PETRI_TRANSITIONS=353} [2024-11-09 06:53:47,595 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 7 predicate places. [2024-11-09 06:53:47,596 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 353 transitions, 1118 flow [2024-11-09 06:53:47,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 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) [2024-11-09 06:53:47,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:47,597 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:47,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:53:47,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:47,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1585679875, now seen corresponding path program 1 times [2024-11-09 06:53:47,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:47,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676661025] [2024-11-09 06:53:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:47,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676661025] [2024-11-09 06:53:47,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676661025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:47,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:47,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:47,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587372793] [2024-11-09 06:53:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:47,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:47,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:47,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:48,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 273 [2024-11-09 06:53:48,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 353 transitions, 1118 flow. Second operand has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 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) [2024-11-09 06:53:48,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:48,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 273 [2024-11-09 06:53:48,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:49,121 INFO L124 PetriNetUnfolderBase]: 2110/7415 cut-off events. [2024-11-09 06:53:49,121 INFO L125 PetriNetUnfolderBase]: For 1556/1568 co-relation queries the response was YES. [2024-11-09 06:53:49,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13845 conditions, 7415 events. 2110/7415 cut-off events. For 1556/1568 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 59857 event pairs, 1264 based on Foata normal form. 0/6797 useless extension candidates. Maximal degree in co-relation 13740. Up to 4041 conditions per place. [2024-11-09 06:53:49,152 INFO L140 encePairwiseOnDemand]: 232/273 looper letters, 187 selfloop transitions, 123 changer transitions 0/485 dead transitions. [2024-11-09 06:53:49,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 485 transitions, 2162 flow [2024-11-09 06:53:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1291 transitions. [2024-11-09 06:53:49,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7881562881562881 [2024-11-09 06:53:49,155 INFO L175 Difference]: Start difference. First operand has 281 places, 353 transitions, 1118 flow. Second operand 6 states and 1291 transitions. [2024-11-09 06:53:49,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 485 transitions, 2162 flow [2024-11-09 06:53:49,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 485 transitions, 2162 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:49,171 INFO L231 Difference]: Finished difference. Result has 290 places, 469 transitions, 2070 flow [2024-11-09 06:53:49,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2070, PETRI_PLACES=290, PETRI_TRANSITIONS=469} [2024-11-09 06:53:49,173 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 16 predicate places. [2024-11-09 06:53:49,173 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 469 transitions, 2070 flow [2024-11-09 06:53:49,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 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) [2024-11-09 06:53:49,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:49,174 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:49,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:53:49,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:49,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:49,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1646599047, now seen corresponding path program 1 times [2024-11-09 06:53:49,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:49,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299745876] [2024-11-09 06:53:49,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:49,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299745876] [2024-11-09 06:53:49,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299745876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:49,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:49,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:49,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161047796] [2024-11-09 06:53:49,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:49,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:49,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:49,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:49,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:49,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 273 [2024-11-09 06:53:49,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 469 transitions, 2070 flow. Second operand has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 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) [2024-11-09 06:53:49,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:49,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 273 [2024-11-09 06:53:49,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:51,337 INFO L124 PetriNetUnfolderBase]: 2413/8345 cut-off events. [2024-11-09 06:53:51,337 INFO L125 PetriNetUnfolderBase]: For 3708/3726 co-relation queries the response was YES. [2024-11-09 06:53:51,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17802 conditions, 8345 events. 2413/8345 cut-off events. For 3708/3726 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 67957 event pairs, 1292 based on Foata normal form. 0/7701 useless extension candidates. Maximal degree in co-relation 17683. Up to 4368 conditions per place. [2024-11-09 06:53:51,370 INFO L140 encePairwiseOnDemand]: 232/273 looper letters, 299 selfloop transitions, 123 changer transitions 0/601 dead transitions. [2024-11-09 06:53:51,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 601 transitions, 3562 flow [2024-11-09 06:53:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1291 transitions. [2024-11-09 06:53:51,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7881562881562881 [2024-11-09 06:53:51,373 INFO L175 Difference]: Start difference. First operand has 290 places, 469 transitions, 2070 flow. Second operand 6 states and 1291 transitions. [2024-11-09 06:53:51,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 601 transitions, 3562 flow [2024-11-09 06:53:51,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 601 transitions, 3402 flow, removed 80 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:51,389 INFO L231 Difference]: Finished difference. Result has 299 places, 585 transitions, 3086 flow [2024-11-09 06:53:51,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=1908, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3086, PETRI_PLACES=299, PETRI_TRANSITIONS=585} [2024-11-09 06:53:51,390 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 25 predicate places. [2024-11-09 06:53:51,390 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 585 transitions, 3086 flow [2024-11-09 06:53:51,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.66666666666666) internal successors, (1078), 6 states have internal predecessors, (1078), 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) [2024-11-09 06:53:51,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:51,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:51,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:53:51,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:51,393 INFO L85 PathProgramCache]: Analyzing trace with hash 755334796, now seen corresponding path program 1 times [2024-11-09 06:53:51,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:51,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366178818] [2024-11-09 06:53:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:51,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:51,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366178818] [2024-11-09 06:53:51,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366178818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:51,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:51,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:51,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106932288] [2024-11-09 06:53:51,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:51,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:51,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:51,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:51,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:52,113 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 273 [2024-11-09 06:53:52,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 585 transitions, 3086 flow. Second operand has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:52,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:52,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 273 [2024-11-09 06:53:52,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:53,791 INFO L124 PetriNetUnfolderBase]: 2735/9143 cut-off events. [2024-11-09 06:53:53,792 INFO L125 PetriNetUnfolderBase]: For 5402/5479 co-relation queries the response was YES. [2024-11-09 06:53:53,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21642 conditions, 9143 events. 2735/9143 cut-off events. For 5402/5479 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 74784 event pairs, 1246 based on Foata normal form. 0/8476 useless extension candidates. Maximal degree in co-relation 21510. Up to 4881 conditions per place. [2024-11-09 06:53:53,833 INFO L140 encePairwiseOnDemand]: 230/273 looper letters, 360 selfloop transitions, 180 changer transitions 0/768 dead transitions. [2024-11-09 06:53:53,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 768 transitions, 4754 flow [2024-11-09 06:53:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1338 transitions. [2024-11-09 06:53:53,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168498168498168 [2024-11-09 06:53:53,836 INFO L175 Difference]: Start difference. First operand has 299 places, 585 transitions, 3086 flow. Second operand 6 states and 1338 transitions. [2024-11-09 06:53:53,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 768 transitions, 4754 flow [2024-11-09 06:53:53,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 768 transitions, 4358 flow, removed 198 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:53,862 INFO L231 Difference]: Finished difference. Result has 309 places, 752 transitions, 4086 flow [2024-11-09 06:53:53,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=2702, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4086, PETRI_PLACES=309, PETRI_TRANSITIONS=752} [2024-11-09 06:53:53,863 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 35 predicate places. [2024-11-09 06:53:53,864 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 752 transitions, 4086 flow [2024-11-09 06:53:53,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:53,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:53,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:53,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:53:53,865 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:53,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:53,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1921247633, now seen corresponding path program 1 times [2024-11-09 06:53:53,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:53,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543011823] [2024-11-09 06:53:53,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:53,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:54,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:54,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543011823] [2024-11-09 06:53:54,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543011823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:54,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:54,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:54,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149478835] [2024-11-09 06:53:54,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:54,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:54,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:54,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:54,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:54,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 273 [2024-11-09 06:53:54,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 752 transitions, 4086 flow. Second operand has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:54,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:54,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 273 [2024-11-09 06:53:54,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:56,394 INFO L124 PetriNetUnfolderBase]: 3180/10480 cut-off events. [2024-11-09 06:53:56,394 INFO L125 PetriNetUnfolderBase]: For 8590/8696 co-relation queries the response was YES. [2024-11-09 06:53:56,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27889 conditions, 10480 events. 3180/10480 cut-off events. For 8590/8696 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 87524 event pairs, 1284 based on Foata normal form. 0/9787 useless extension candidates. Maximal degree in co-relation 27752. Up to 5371 conditions per place. [2024-11-09 06:53:56,453 INFO L140 encePairwiseOnDemand]: 230/273 looper letters, 513 selfloop transitions, 180 changer transitions 0/935 dead transitions. [2024-11-09 06:53:56,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 935 transitions, 6354 flow [2024-11-09 06:53:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1338 transitions. [2024-11-09 06:53:56,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8168498168498168 [2024-11-09 06:53:56,459 INFO L175 Difference]: Start difference. First operand has 309 places, 752 transitions, 4086 flow. Second operand 6 states and 1338 transitions. [2024-11-09 06:53:56,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 935 transitions, 6354 flow [2024-11-09 06:53:56,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 935 transitions, 6300 flow, removed 27 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:56,542 INFO L231 Difference]: Finished difference. Result has 319 places, 919 transitions, 5722 flow [2024-11-09 06:53:56,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=4032, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=680, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5722, PETRI_PLACES=319, PETRI_TRANSITIONS=919} [2024-11-09 06:53:56,548 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 45 predicate places. [2024-11-09 06:53:56,548 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 919 transitions, 5722 flow [2024-11-09 06:53:56,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:53:56,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:56,549 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:56,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:53:56,549 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:53:56,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash 449356076, now seen corresponding path program 1 times [2024-11-09 06:53:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:56,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344287193] [2024-11-09 06:53:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:56,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:57,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:57,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344287193] [2024-11-09 06:53:57,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344287193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:57,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:57,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:53:57,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476323666] [2024-11-09 06:53:57,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:57,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:53:57,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:57,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:53:57,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:53:59,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:53:59,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 919 transitions, 5722 flow. Second operand has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:53:59,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:59,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:53:59,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:04,424 INFO L124 PetriNetUnfolderBase]: 4111/12732 cut-off events. [2024-11-09 06:54:04,425 INFO L125 PetriNetUnfolderBase]: For 15762/15857 co-relation queries the response was YES. [2024-11-09 06:54:04,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38443 conditions, 12732 events. 4111/12732 cut-off events. For 15762/15857 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 106101 event pairs, 787 based on Foata normal form. 37/12138 useless extension candidates. Maximal degree in co-relation 38294. Up to 4181 conditions per place. [2024-11-09 06:54:04,523 INFO L140 encePairwiseOnDemand]: 216/273 looper letters, 921 selfloop transitions, 276 changer transitions 0/1416 dead transitions. [2024-11-09 06:54:04,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 1416 transitions, 11032 flow [2024-11-09 06:54:04,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 06:54:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-09 06:54:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 5542 transitions. [2024-11-09 06:54:04,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6548505258182677 [2024-11-09 06:54:04,558 INFO L175 Difference]: Start difference. First operand has 319 places, 919 transitions, 5722 flow. Second operand 31 states and 5542 transitions. [2024-11-09 06:54:04,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 1416 transitions, 11032 flow [2024-11-09 06:54:04,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 1416 transitions, 10672 flow, removed 180 selfloop flow, removed 0 redundant places. [2024-11-09 06:54:04,630 INFO L231 Difference]: Finished difference. Result has 374 places, 1026 transitions, 7334 flow [2024-11-09 06:54:04,631 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=5362, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=7334, PETRI_PLACES=374, PETRI_TRANSITIONS=1026} [2024-11-09 06:54:04,632 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 100 predicate places. [2024-11-09 06:54:04,632 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 1026 transitions, 7334 flow [2024-11-09 06:54:04,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:04,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:04,634 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:04,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:54:04,634 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:54:04,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:04,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1911054158, now seen corresponding path program 2 times [2024-11-09 06:54:04,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:04,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948321460] [2024-11-09 06:54:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:04,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:54:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:05,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948321460] [2024-11-09 06:54:05,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948321460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:05,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:54:05,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:54:05,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820502592] [2024-11-09 06:54:05,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:05,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:54:05,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:05,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:54:05,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:54:07,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:54:07,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 1026 transitions, 7334 flow. Second operand has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:07,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:07,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:54:07,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:11,445 INFO L124 PetriNetUnfolderBase]: 5069/15573 cut-off events. [2024-11-09 06:54:11,445 INFO L125 PetriNetUnfolderBase]: For 29397/29730 co-relation queries the response was YES. [2024-11-09 06:54:11,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52356 conditions, 15573 events. 5069/15573 cut-off events. For 29397/29730 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 134860 event pairs, 792 based on Foata normal form. 38/14883 useless extension candidates. Maximal degree in co-relation 52181. Up to 2883 conditions per place. [2024-11-09 06:54:11,572 INFO L140 encePairwiseOnDemand]: 215/273 looper letters, 1340 selfloop transitions, 200 changer transitions 0/1759 dead transitions. [2024-11-09 06:54:11,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 1759 transitions, 16168 flow [2024-11-09 06:54:11,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 06:54:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 06:54:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3946 transitions. [2024-11-09 06:54:11,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.657009657009657 [2024-11-09 06:54:11,587 INFO L175 Difference]: Start difference. First operand has 374 places, 1026 transitions, 7334 flow. Second operand 22 states and 3946 transitions. [2024-11-09 06:54:11,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 1759 transitions, 16168 flow [2024-11-09 06:54:11,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 1759 transitions, 15958 flow, removed 64 selfloop flow, removed 5 redundant places. [2024-11-09 06:54:11,771 INFO L231 Difference]: Finished difference. Result has 404 places, 1170 transitions, 9471 flow [2024-11-09 06:54:11,772 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=7194, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=867, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=9471, PETRI_PLACES=404, PETRI_TRANSITIONS=1170} [2024-11-09 06:54:11,775 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 130 predicate places. [2024-11-09 06:54:11,775 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 1170 transitions, 9471 flow [2024-11-09 06:54:11,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:11,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:11,776 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:11,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:54:11,778 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:54:11,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 578424137, now seen corresponding path program 1 times [2024-11-09 06:54:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725016250] [2024-11-09 06:54:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:11,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:54:12,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:12,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725016250] [2024-11-09 06:54:12,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725016250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:12,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:54:12,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:54:12,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663982203] [2024-11-09 06:54:12,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:12,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:54:12,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:12,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:54:12,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:54:14,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:54:14,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 1170 transitions, 9471 flow. Second operand has 15 states, 15 states have (on average 159.8) internal successors, (2397), 15 states have internal predecessors, (2397), 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) [2024-11-09 06:54:14,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:14,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:54:14,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:19,725 INFO L124 PetriNetUnfolderBase]: 6150/18399 cut-off events. [2024-11-09 06:54:19,725 INFO L125 PetriNetUnfolderBase]: For 47860/48234 co-relation queries the response was YES. [2024-11-09 06:54:19,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67252 conditions, 18399 events. 6150/18399 cut-off events. For 47860/48234 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 162462 event pairs, 1277 based on Foata normal form. 93/17663 useless extension candidates. Maximal degree in co-relation 67064. Up to 5066 conditions per place. [2024-11-09 06:54:19,910 INFO L140 encePairwiseOnDemand]: 221/273 looper letters, 1517 selfloop transitions, 209 changer transitions 0/1975 dead transitions. [2024-11-09 06:54:19,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1975 transitions, 20177 flow [2024-11-09 06:54:19,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 06:54:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-09 06:54:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3983 transitions. [2024-11-09 06:54:19,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6631701631701632 [2024-11-09 06:54:19,917 INFO L175 Difference]: Start difference. First operand has 404 places, 1170 transitions, 9471 flow. Second operand 22 states and 3983 transitions. [2024-11-09 06:54:19,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1975 transitions, 20177 flow [2024-11-09 06:54:20,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 1975 transitions, 19906 flow, removed 109 selfloop flow, removed 2 redundant places. [2024-11-09 06:54:20,542 INFO L231 Difference]: Finished difference. Result has 438 places, 1315 transitions, 11526 flow [2024-11-09 06:54:20,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=9268, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=998, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=11526, PETRI_PLACES=438, PETRI_TRANSITIONS=1315} [2024-11-09 06:54:20,544 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 164 predicate places. [2024-11-09 06:54:20,544 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 1315 transitions, 11526 flow [2024-11-09 06:54:20,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 159.8) internal successors, (2397), 15 states have internal predecessors, (2397), 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) [2024-11-09 06:54:20,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:20,550 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:20,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:54:20,551 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:54:20,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:20,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1516309818, now seen corresponding path program 3 times [2024-11-09 06:54:20,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:20,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545096403] [2024-11-09 06:54:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:20,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:54:21,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:21,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545096403] [2024-11-09 06:54:21,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545096403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:21,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:54:21,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:54:21,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328489747] [2024-11-09 06:54:21,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:21,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:54:21,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:21,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:54:21,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:54:23,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:54:23,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 1315 transitions, 11526 flow. Second operand has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:23,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:23,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:54:23,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:30,417 INFO L124 PetriNetUnfolderBase]: 7136/21244 cut-off events. [2024-11-09 06:54:30,418 INFO L125 PetriNetUnfolderBase]: For 65009/65795 co-relation queries the response was YES. [2024-11-09 06:54:30,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82993 conditions, 21244 events. 7136/21244 cut-off events. For 65009/65795 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 193794 event pairs, 2002 based on Foata normal form. 104/20381 useless extension candidates. Maximal degree in co-relation 82786. Up to 10216 conditions per place. [2024-11-09 06:54:30,805 INFO L140 encePairwiseOnDemand]: 215/273 looper letters, 1447 selfloop transitions, 208 changer transitions 0/1901 dead transitions. [2024-11-09 06:54:30,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1901 transitions, 20196 flow [2024-11-09 06:54:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 06:54:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-09 06:54:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3044 transitions. [2024-11-09 06:54:30,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6558931264813618 [2024-11-09 06:54:30,813 INFO L175 Difference]: Start difference. First operand has 438 places, 1315 transitions, 11526 flow. Second operand 17 states and 3044 transitions. [2024-11-09 06:54:30,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1901 transitions, 20196 flow [2024-11-09 06:54:31,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 1901 transitions, 20053 flow, removed 54 selfloop flow, removed 2 redundant places. [2024-11-09 06:54:31,369 INFO L231 Difference]: Finished difference. Result has 467 places, 1434 transitions, 14042 flow [2024-11-09 06:54:31,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=11471, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=14042, PETRI_PLACES=467, PETRI_TRANSITIONS=1434} [2024-11-09 06:54:31,371 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 193 predicate places. [2024-11-09 06:54:31,371 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 1434 transitions, 14042 flow [2024-11-09 06:54:31,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:31,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:31,373 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:31,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:54:31,374 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:54:31,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1392137234, now seen corresponding path program 4 times [2024-11-09 06:54:31,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:31,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239444512] [2024-11-09 06:54:31,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:54:32,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:32,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239444512] [2024-11-09 06:54:32,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239444512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:32,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:54:32,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:54:32,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992922703] [2024-11-09 06:54:32,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:32,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:54:32,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:54:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:54:33,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:54:33,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 1434 transitions, 14042 flow. Second operand has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:33,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:33,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:54:33,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:45,724 INFO L124 PetriNetUnfolderBase]: 12146/35011 cut-off events. [2024-11-09 06:54:45,724 INFO L125 PetriNetUnfolderBase]: For 147376/148630 co-relation queries the response was YES. [2024-11-09 06:54:46,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150468 conditions, 35011 events. 12146/35011 cut-off events. For 147376/148630 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 350995 event pairs, 2321 based on Foata normal form. 238/33942 useless extension candidates. Maximal degree in co-relation 150246. Up to 11999 conditions per place. [2024-11-09 06:54:46,539 INFO L140 encePairwiseOnDemand]: 215/273 looper letters, 2542 selfloop transitions, 389 changer transitions 0/3177 dead transitions. [2024-11-09 06:54:46,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 3177 transitions, 38983 flow [2024-11-09 06:54:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-09 06:54:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-09 06:54:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4862 transitions. [2024-11-09 06:54:46,544 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6596119929453262 [2024-11-09 06:54:46,544 INFO L175 Difference]: Start difference. First operand has 467 places, 1434 transitions, 14042 flow. Second operand 27 states and 4862 transitions. [2024-11-09 06:54:46,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 3177 transitions, 38983 flow [2024-11-09 06:54:48,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 3177 transitions, 38659 flow, removed 162 selfloop flow, removed 0 redundant places. [2024-11-09 06:54:48,531 INFO L231 Difference]: Finished difference. Result has 513 places, 1692 transitions, 19444 flow [2024-11-09 06:54:48,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=13726, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=19444, PETRI_PLACES=513, PETRI_TRANSITIONS=1692} [2024-11-09 06:54:48,533 INFO L277 CegarLoopForPetriNet]: 274 programPoint places, 239 predicate places. [2024-11-09 06:54:48,534 INFO L471 AbstractCegarLoop]: Abstraction has has 513 places, 1692 transitions, 19444 flow [2024-11-09 06:54:48,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:48,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:48,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:48,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:54:48,535 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2024-11-09 06:54:48,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:48,536 INFO L85 PathProgramCache]: Analyzing trace with hash 554784608, now seen corresponding path program 5 times [2024-11-09 06:54:48,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:48,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549358404] [2024-11-09 06:54:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:54:49,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549358404] [2024-11-09 06:54:49,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549358404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:49,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:54:49,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 06:54:49,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127331782] [2024-11-09 06:54:49,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:49,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 06:54:49,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:49,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 06:54:49,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:54:51,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 273 [2024-11-09 06:54:51,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 1692 transitions, 19444 flow. Second operand has 15 states, 15 states have (on average 159.86666666666667) internal successors, (2398), 15 states have internal predecessors, (2398), 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) [2024-11-09 06:54:51,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:51,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 273 [2024-11-09 06:54:51,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand