./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/pthread-divine/one_time_barrier_2t.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 16b049fb81e05ec2192b5dc6cabf7c8b89c1486d4e623332a0a01a89383c6c7d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:27:03,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:27:03,458 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:27:03,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:27:03,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:27:03,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:27:03,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:27:03,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:27:03,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:27:03,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:27:03,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:27:03,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:27:03,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:27:03,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:27:03,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:27:03,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:27:03,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:27:03,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:27:03,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:27:03,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:27:03,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:27:03,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:27:03,490 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:27:03,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:27:03,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:27:03,491 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:27:03,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:27:03,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:27:03,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:27:03,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:27:03,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:27:03,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:27:03,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:27:03,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:27:03,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:27:03,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:27:03,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b049fb81e05ec2192b5dc6cabf7c8b89c1486d4e623332a0a01a89383c6c7d [2024-11-10 14:27:03,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:27:03,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:27:03,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:27:03,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:27:03,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:27:03,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i [2024-11-10 14:27:04,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:27:05,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:27:05,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/one_time_barrier_2t.i [2024-11-10 14:27:05,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/383c33116/8def3c233e2146bc993e8fcd8ed46958/FLAGbb8a9ded4 [2024-11-10 14:27:05,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/383c33116/8def3c233e2146bc993e8fcd8ed46958 [2024-11-10 14:27:05,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:27:05,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:27:05,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:27:05,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:27:05,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:27:05,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:05,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29764a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05, skipping insertion in model container [2024-11-10 14:27:05,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:05,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:27:05,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:27:05,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:27:05,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:27:05,955 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:27:05,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05 WrapperNode [2024-11-10 14:27:05,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:27:05,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:27:05,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:27:05,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:27:05,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:05,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,028 INFO L138 Inliner]: procedures = 174, calls = 86, calls flagged for inlining = 20, calls inlined = 35, statements flattened = 865 [2024-11-10 14:27:06,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:27:06,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:27:06,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:27:06,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:27:06,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:27:06,122 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:27:06,122 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:27:06,122 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:27:06,123 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (1/1) ... [2024-11-10 14:27:06,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:27:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:27:06,152 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) [2024-11-10 14:27:06,155 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 [2024-11-10 14:27:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:27:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:27:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:27:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2024-11-10 14:27:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2024-11-10 14:27:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:27:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:27:06,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:27:06,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:27:06,192 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:27:06,314 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:27:06,316 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:27:07,175 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:27:07,176 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:27:07,220 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:27:07,220 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:27:07,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:27:07 BoogieIcfgContainer [2024-11-10 14:27:07,221 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:27:07,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:27:07,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:27:07,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:27:07,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:27:05" (1/3) ... [2024-11-10 14:27:07,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654ef720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:27:07, skipping insertion in model container [2024-11-10 14:27:07,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:05" (2/3) ... [2024-11-10 14:27:07,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654ef720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:27:07, skipping insertion in model container [2024-11-10 14:27:07,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:27:07" (3/3) ... [2024-11-10 14:27:07,228 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_2t.i [2024-11-10 14:27:07,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:27:07,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-11-10 14:27:07,240 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:27:07,365 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:27:07,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 960 places, 1046 transitions, 2099 flow [2024-11-10 14:27:07,892 INFO L124 PetriNetUnfolderBase]: 135/1553 cut-off events. [2024-11-10 14:27:07,892 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:27:07,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1558 conditions, 1553 events. 135/1553 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5825 event pairs, 0 based on Foata normal form. 0/1300 useless extension candidates. Maximal degree in co-relation 939. Up to 4 conditions per place. [2024-11-10 14:27:07,919 INFO L82 GeneralOperation]: Start removeDead. Operand has 960 places, 1046 transitions, 2099 flow [2024-11-10 14:27:07,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 960 places, 1046 transitions, 2099 flow [2024-11-10 14:27:07,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:27:07,949 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;@17cdd946, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:27:07,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2024-11-10 14:27:07,957 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:27:07,957 INFO L124 PetriNetUnfolderBase]: 1/52 cut-off events. [2024-11-10 14:27:07,957 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:27:07,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:07,958 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] [2024-11-10 14:27:07,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:07,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:07,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1873659849, now seen corresponding path program 1 times [2024-11-10 14:27:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:07,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247676429] [2024-11-10 14:27:07,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:08,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:08,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247676429] [2024-11-10 14:27:08,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247676429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:27:08,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:27:08,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:27:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753041985] [2024-11-10 14:27:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:27:08,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:27:08,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:08,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:27:08,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:27:09,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 1046 [2024-11-10 14:27:09,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 1046 transitions, 2099 flow. Second operand has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:09,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:09,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 1046 [2024-11-10 14:27:09,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:27:18,968 INFO L124 PetriNetUnfolderBase]: 12703/60081 cut-off events. [2024-11-10 14:27:18,969 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2024-11-10 14:27:19,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83490 conditions, 60081 events. 12703/60081 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 703703 event pairs, 11413 based on Foata normal form. 7018/59975 useless extension candidates. Maximal degree in co-relation 82791. Up to 23399 conditions per place. [2024-11-10 14:27:19,239 INFO L140 encePairwiseOnDemand]: 970/1046 looper letters, 231 selfloop transitions, 5 changer transitions 3/948 dead transitions. [2024-11-10 14:27:19,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 948 transitions, 2375 flow [2024-11-10 14:27:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:27:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:27:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4741 transitions. [2024-11-10 14:27:19,265 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7554174633524537 [2024-11-10 14:27:19,266 INFO L175 Difference]: Start difference. First operand has 960 places, 1046 transitions, 2099 flow. Second operand 6 states and 4741 transitions. [2024-11-10 14:27:19,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 948 transitions, 2375 flow [2024-11-10 14:27:19,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 948 transitions, 2375 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:27:19,292 INFO L231 Difference]: Finished difference. Result has 937 places, 945 transitions, 1907 flow [2024-11-10 14:27:19,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1907, PETRI_PLACES=937, PETRI_TRANSITIONS=945} [2024-11-10 14:27:19,299 INFO L277 CegarLoopForPetriNet]: 960 programPoint places, -23 predicate places. [2024-11-10 14:27:19,300 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 945 transitions, 1907 flow [2024-11-10 14:27:19,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:19,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:19,303 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] [2024-11-10 14:27:19,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:27:19,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:19,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:19,304 INFO L85 PathProgramCache]: Analyzing trace with hash 444475769, now seen corresponding path program 1 times [2024-11-10 14:27:19,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:19,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107281967] [2024-11-10 14:27:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:19,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:19,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107281967] [2024-11-10 14:27:19,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107281967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:27:19,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:27:19,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:27:19,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984890308] [2024-11-10 14:27:19,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:27:19,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:27:19,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:19,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:27:19,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:27:19,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 948 out of 1046 [2024-11-10 14:27:19,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 945 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 949.3333333333334) internal successors, (2848), 3 states have internal predecessors, (2848), 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) [2024-11-10 14:27:19,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:19,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 948 of 1046 [2024-11-10 14:27:19,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:27:20,344 INFO L124 PetriNetUnfolderBase]: 247/4884 cut-off events. [2024-11-10 14:27:20,345 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:27:20,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5207 conditions, 4884 events. 247/4884 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 36947 event pairs, 110 based on Foata normal form. 1/4225 useless extension candidates. Maximal degree in co-relation 5122. Up to 306 conditions per place. [2024-11-10 14:27:20,373 INFO L140 encePairwiseOnDemand]: 1043/1046 looper letters, 27 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-10 14:27:20,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 946 transitions, 1967 flow [2024-11-10 14:27:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:27:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:27:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2874 transitions. [2024-11-10 14:27:20,378 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9158699808795411 [2024-11-10 14:27:20,378 INFO L175 Difference]: Start difference. First operand has 937 places, 945 transitions, 1907 flow. Second operand 3 states and 2874 transitions. [2024-11-10 14:27:20,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 946 transitions, 1967 flow [2024-11-10 14:27:20,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 946 transitions, 1957 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:27:20,389 INFO L231 Difference]: Finished difference. Result has 932 places, 946 transitions, 1909 flow [2024-11-10 14:27:20,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1909, PETRI_PLACES=932, PETRI_TRANSITIONS=946} [2024-11-10 14:27:20,391 INFO L277 CegarLoopForPetriNet]: 960 programPoint places, -28 predicate places. [2024-11-10 14:27:20,391 INFO L471 AbstractCegarLoop]: Abstraction has has 932 places, 946 transitions, 1909 flow [2024-11-10 14:27:20,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 949.3333333333334) internal successors, (2848), 3 states have internal predecessors, (2848), 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) [2024-11-10 14:27:20,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:20,393 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] [2024-11-10 14:27:20,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:27:20,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:20,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:20,393 INFO L85 PathProgramCache]: Analyzing trace with hash 717708028, now seen corresponding path program 1 times [2024-11-10 14:27:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:20,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256320623] [2024-11-10 14:27:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:20,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:20,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256320623] [2024-11-10 14:27:20,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256320623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:27:20,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:27:20,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:27:20,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782487420] [2024-11-10 14:27:20,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:27:20,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:27:20,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:20,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:27:20,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:27:21,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 1046 [2024-11-10 14:27:21,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 946 transitions, 1909 flow. Second operand has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:21,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:21,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 1046 [2024-11-10 14:27:21,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:27:32,871 INFO L124 PetriNetUnfolderBase]: 12711/60432 cut-off events. [2024-11-10 14:27:32,871 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2024-11-10 14:27:33,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83848 conditions, 60432 events. 12711/60432 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 707986 event pairs, 11413 based on Foata normal form. 0/53257 useless extension candidates. Maximal degree in co-relation 83768. Up to 23394 conditions per place. [2024-11-10 14:27:33,233 INFO L140 encePairwiseOnDemand]: 1040/1046 looper letters, 232 selfloop transitions, 5 changer transitions 0/945 dead transitions. [2024-11-10 14:27:33,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 945 transitions, 2381 flow [2024-11-10 14:27:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:27:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:27:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4671 transitions. [2024-11-10 14:27:33,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.744263862332696 [2024-11-10 14:27:33,240 INFO L175 Difference]: Start difference. First operand has 932 places, 946 transitions, 1909 flow. Second operand 6 states and 4671 transitions. [2024-11-10 14:27:33,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 945 transitions, 2381 flow [2024-11-10 14:27:33,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 945 transitions, 2379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:27:33,251 INFO L231 Difference]: Finished difference. Result has 935 places, 945 transitions, 1915 flow [2024-11-10 14:27:33,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=930, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1915, PETRI_PLACES=935, PETRI_TRANSITIONS=945} [2024-11-10 14:27:33,253 INFO L277 CegarLoopForPetriNet]: 960 programPoint places, -25 predicate places. [2024-11-10 14:27:33,253 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 945 transitions, 1915 flow [2024-11-10 14:27:33,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:33,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:33,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:27:33,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:27:33,256 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:33,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:33,256 INFO L85 PathProgramCache]: Analyzing trace with hash 878070086, now seen corresponding path program 1 times [2024-11-10 14:27:33,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:33,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922136208] [2024-11-10 14:27:33,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:33,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:33,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922136208] [2024-11-10 14:27:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922136208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:27:33,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:27:33,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:27:33,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548605170] [2024-11-10 14:27:33,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:27:33,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:27:33,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:27:33,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:27:34,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 1046 [2024-11-10 14:27:34,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 945 transitions, 1915 flow. Second operand has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:34,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:34,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 1046 [2024-11-10 14:27:34,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:27:42,481 INFO L124 PetriNetUnfolderBase]: 12711/60430 cut-off events. [2024-11-10 14:27:42,481 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2024-11-10 14:27:42,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83855 conditions, 60430 events. 12711/60430 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 708371 event pairs, 11413 based on Foata normal form. 0/53257 useless extension candidates. Maximal degree in co-relation 83761. Up to 23394 conditions per place. [2024-11-10 14:27:42,739 INFO L140 encePairwiseOnDemand]: 1040/1046 looper letters, 232 selfloop transitions, 5 changer transitions 0/944 dead transitions. [2024-11-10 14:27:42,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 944 transitions, 2387 flow [2024-11-10 14:27:42,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:27:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:27:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4671 transitions. [2024-11-10 14:27:42,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.744263862332696 [2024-11-10 14:27:42,747 INFO L175 Difference]: Start difference. First operand has 935 places, 945 transitions, 1915 flow. Second operand 6 states and 4671 transitions. [2024-11-10 14:27:42,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 944 transitions, 2387 flow [2024-11-10 14:27:42,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 944 transitions, 2377 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:27:42,761 INFO L231 Difference]: Finished difference. Result has 934 places, 944 transitions, 1913 flow [2024-11-10 14:27:42,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1913, PETRI_PLACES=934, PETRI_TRANSITIONS=944} [2024-11-10 14:27:42,764 INFO L277 CegarLoopForPetriNet]: 960 programPoint places, -26 predicate places. [2024-11-10 14:27:42,764 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 944 transitions, 1913 flow [2024-11-10 14:27:42,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 740.5) internal successors, (4443), 6 states have internal predecessors, (4443), 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) [2024-11-10 14:27:42,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:42,768 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:27:42,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:27:42,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:42,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:42,769 INFO L85 PathProgramCache]: Analyzing trace with hash -590427488, now seen corresponding path program 1 times [2024-11-10 14:27:42,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:42,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756054179] [2024-11-10 14:27:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:42,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:42,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:42,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756054179] [2024-11-10 14:27:42,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756054179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:27:42,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611536912] [2024-11-10 14:27:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:42,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:27:42,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:27:42,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:27:42,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:27:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:42,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:27:42,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:27:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:43,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:27:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:27:43,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611536912] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:27:43,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:27:43,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-10 14:27:43,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573887022] [2024-11-10 14:27:43,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:27:43,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:27:43,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:43,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:27:43,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:27:43,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 947 out of 1046 [2024-11-10 14:27:43,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 944 transitions, 1913 flow. Second operand has 5 states, 5 states have (on average 948.8) internal successors, (4744), 5 states have internal predecessors, (4744), 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) [2024-11-10 14:27:43,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:43,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 947 of 1046 [2024-11-10 14:27:43,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:27:44,135 INFO L124 PetriNetUnfolderBase]: 247/4883 cut-off events. [2024-11-10 14:27:44,135 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 14:27:44,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5214 conditions, 4883 events. 247/4883 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 37074 event pairs, 110 based on Foata normal form. 1/4228 useless extension candidates. Maximal degree in co-relation 5105. Up to 305 conditions per place. [2024-11-10 14:27:44,165 INFO L140 encePairwiseOnDemand]: 1042/1046 looper letters, 28 selfloop transitions, 4 changer transitions 0/946 dead transitions. [2024-11-10 14:27:44,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 946 transitions, 1981 flow [2024-11-10 14:27:44,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:27:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 14:27:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3821 transitions. [2024-11-10 14:27:44,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9132409177820268 [2024-11-10 14:27:44,171 INFO L175 Difference]: Start difference. First operand has 934 places, 944 transitions, 1913 flow. Second operand 4 states and 3821 transitions. [2024-11-10 14:27:44,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 946 transitions, 1981 flow [2024-11-10 14:27:44,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 946 transitions, 1971 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:27:44,182 INFO L231 Difference]: Finished difference. Result has 934 places, 945 transitions, 1923 flow [2024-11-10 14:27:44,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1923, PETRI_PLACES=934, PETRI_TRANSITIONS=945} [2024-11-10 14:27:44,183 INFO L277 CegarLoopForPetriNet]: 960 programPoint places, -26 predicate places. [2024-11-10 14:27:44,183 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 945 transitions, 1923 flow [2024-11-10 14:27:44,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 948.8) internal successors, (4744), 5 states have internal predecessors, (4744), 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) [2024-11-10 14:27:44,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:27:44,186 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:27:44,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 14:27:44,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:27:44,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2024-11-10 14:27:44,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:27:44,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1363415335, now seen corresponding path program 2 times [2024-11-10 14:27:44,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:27:44,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208457855] [2024-11-10 14:27:44,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:27:44,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:27:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:27:44,775 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-10 14:27:44,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:27:44,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208457855] [2024-11-10 14:27:44,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208457855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:27:44,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:27:44,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:27:44,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243158491] [2024-11-10 14:27:44,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:27:44,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:27:44,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:27:44,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:27:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:27:45,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 1046 [2024-11-10 14:27:45,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 945 transitions, 1923 flow. Second operand has 6 states, 6 states have (on average 742.3333333333334) internal successors, (4454), 6 states have internal predecessors, (4454), 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) [2024-11-10 14:27:45,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:27:45,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 1046 [2024-11-10 14:27:45,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand