./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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/13-privatized_24-multiple-protecting_true.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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:38:44,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:38:44,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:38:44,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:38:44,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:38:44,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:38:44,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:38:44,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:38:44,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:38:44,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:38:44,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:38:44,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:38:44,736 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:38:44,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:38:44,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:38:44,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:38:44,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:38:44,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:38:44,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:38:44,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:38:44,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:38:44,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:38:44,744 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:38:44,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:38:44,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:38:44,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:38:44,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:38:44,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:38:44,746 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:38:44,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:38:44,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:38:44,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:44,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:38:44,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:38:44,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:38:44,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:38:44,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:38:44,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:38:44,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:38:44,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:38:44,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:38:44,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2024-11-16 23:38:45,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:38:45,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:38:45,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:38:45,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:38:45,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:38:45,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-16 23:38:46,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:38:46,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:38:46,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-16 23:38:46,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de734b06/f0c2df45e5d64513b3be9f383128af25/FLAG247d05cf0 [2024-11-16 23:38:46,892 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de734b06/f0c2df45e5d64513b3be9f383128af25 [2024-11-16 23:38:46,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:38:46,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:38:46,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:46,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:38:46,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:38:46,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:46" (1/1) ... [2024-11-16 23:38:46,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337255b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:46, skipping insertion in model container [2024-11-16 23:38:46,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:46" (1/1) ... [2024-11-16 23:38:46,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:38:47,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:47,420 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:38:47,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:47,530 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:38:47,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47 WrapperNode [2024-11-16 23:38:47,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:47,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:47,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:38:47,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:38:47,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,585 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2024-11-16 23:38:47,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:47,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:38:47,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:38:47,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:38:47,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:38:47,622 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:38:47,623 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:38:47,623 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:38:47,624 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:47,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:47,672 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) [2024-11-16 23:38:47,674 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 [2024-11-16 23:38:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:38:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:38:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:38:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:38:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:38:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:38:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:38:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:38:47,727 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:38:47,880 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:38:47,883 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:38:48,213 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:38:48,213 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:38:48,291 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:38:48,291 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:38:48,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:48 BoogieIcfgContainer [2024-11-16 23:38:48,295 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:38:48,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:38:48,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:38:48,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:38:48,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:46" (1/3) ... [2024-11-16 23:38:48,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f6eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:48, skipping insertion in model container [2024-11-16 23:38:48,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47" (2/3) ... [2024-11-16 23:38:48,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f6eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:48, skipping insertion in model container [2024-11-16 23:38:48,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:48" (3/3) ... [2024-11-16 23:38:48,305 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-11-16 23:38:48,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:38:48,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-16 23:38:48,324 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:38:48,410 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:38:48,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 203 transitions, 413 flow [2024-11-16 23:38:48,529 INFO L124 PetriNetUnfolderBase]: 8/202 cut-off events. [2024-11-16 23:38:48,529 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:38:48,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 8/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 266 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2024-11-16 23:38:48,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 203 transitions, 413 flow [2024-11-16 23:38:48,548 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 397 flow [2024-11-16 23:38:48,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:38:48,564 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;@5e73231a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:38:48,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-16 23:38:48,576 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:38:48,577 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2024-11-16 23:38:48,577 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:38:48,577 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:48,578 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:48,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:48,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash -255106292, now seen corresponding path program 1 times [2024-11-16 23:38:48,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933940188] [2024-11-16 23:38:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:48,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:48,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933940188] [2024-11-16 23:38:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933940188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:48,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:48,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:48,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473175621] [2024-11-16 23:38:48,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:48,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:48,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:48,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:48,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:49,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2024-11-16 23:38:49,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 197 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-16 23:38:49,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:49,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2024-11-16 23:38:49,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:49,646 INFO L124 PetriNetUnfolderBase]: 521/2881 cut-off events. [2024-11-16 23:38:49,647 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:38:49,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2881 events. 521/2881 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23159 event pairs, 104 based on Foata normal form. 234/2840 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2024-11-16 23:38:49,671 INFO L140 encePairwiseOnDemand]: 180/203 looper letters, 62 selfloop transitions, 10 changer transitions 0/211 dead transitions. [2024-11-16 23:38:49,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 211 transitions, 569 flow [2024-11-16 23:38:49,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-11-16 23:38:49,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2024-11-16 23:38:49,706 INFO L175 Difference]: Start difference. First operand has 193 places, 197 transitions, 397 flow. Second operand 3 states and 537 transitions. [2024-11-16 23:38:49,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 211 transitions, 569 flow [2024-11-16 23:38:49,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:38:49,747 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 438 flow [2024-11-16 23:38:49,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2024-11-16 23:38:49,761 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2024-11-16 23:38:49,762 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 438 flow [2024-11-16 23:38:49,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-16 23:38:49,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:49,763 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] [2024-11-16 23:38:49,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:38:49,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:49,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash -174843179, now seen corresponding path program 1 times [2024-11-16 23:38:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:49,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575809229] [2024-11-16 23:38:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:49,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575809229] [2024-11-16 23:38:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575809229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:49,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:49,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653968909] [2024-11-16 23:38:49,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:49,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:49,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:49,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:49,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:49,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-16 23:38:49,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2024-11-16 23:38:49,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:49,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-16 23:38:49,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:50,392 INFO L124 PetriNetUnfolderBase]: 506/2881 cut-off events. [2024-11-16 23:38:50,392 INFO L125 PetriNetUnfolderBase]: For 386/390 co-relation queries the response was YES. [2024-11-16 23:38:50,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4345 conditions, 2881 events. 506/2881 cut-off events. For 386/390 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23241 event pairs, 355 based on Foata normal form. 4/2607 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2024-11-16 23:38:50,409 INFO L140 encePairwiseOnDemand]: 196/203 looper letters, 52 selfloop transitions, 8 changer transitions 0/206 dead transitions. [2024-11-16 23:38:50,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 612 flow [2024-11-16 23:38:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2024-11-16 23:38:50,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8472906403940886 [2024-11-16 23:38:50,412 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 438 flow. Second operand 3 states and 516 transitions. [2024-11-16 23:38:50,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 612 flow [2024-11-16 23:38:50,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:50,421 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 490 flow [2024-11-16 23:38:50,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2024-11-16 23:38:50,423 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2024-11-16 23:38:50,423 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 490 flow [2024-11-16 23:38:50,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2024-11-16 23:38:50,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:50,424 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] [2024-11-16 23:38:50,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:38:50,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:50,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1373317690, now seen corresponding path program 1 times [2024-11-16 23:38:50,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:50,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247174330] [2024-11-16 23:38:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:50,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:50,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247174330] [2024-11-16 23:38:50,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247174330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:50,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:50,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:38:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33617632] [2024-11-16 23:38:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:50,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:38:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:38:50,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:38:50,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-11-16 23:38:50,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 490 flow. Second operand has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2024-11-16 23:38:50,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:50,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-11-16 23:38:50,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:51,158 INFO L124 PetriNetUnfolderBase]: 140/1327 cut-off events. [2024-11-16 23:38:51,159 INFO L125 PetriNetUnfolderBase]: For 53/56 co-relation queries the response was YES. [2024-11-16 23:38:51,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1327 events. 140/1327 cut-off events. For 53/56 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8786 event pairs, 64 based on Foata normal form. 13/1233 useless extension candidates. Maximal degree in co-relation 1781. Up to 177 conditions per place. [2024-11-16 23:38:51,169 INFO L140 encePairwiseOnDemand]: 195/203 looper letters, 39 selfloop transitions, 8 changer transitions 2/206 dead transitions. [2024-11-16 23:38:51,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 206 transitions, 574 flow [2024-11-16 23:38:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:38:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:38:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2024-11-16 23:38:51,174 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8532019704433498 [2024-11-16 23:38:51,174 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 490 flow. Second operand 5 states and 866 transitions. [2024-11-16 23:38:51,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 206 transitions, 574 flow [2024-11-16 23:38:51,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 206 transitions, 556 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:51,185 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 448 flow [2024-11-16 23:38:51,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=448, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2024-11-16 23:38:51,186 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2024-11-16 23:38:51,187 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 448 flow [2024-11-16 23:38:51,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2024-11-16 23:38:51,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:51,189 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] [2024-11-16 23:38:51,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:38:51,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:51,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:51,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2020581879, now seen corresponding path program 1 times [2024-11-16 23:38:51,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:51,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259746250] [2024-11-16 23:38:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:51,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:51,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259746250] [2024-11-16 23:38:51,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259746250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:51,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949419394] [2024-11-16 23:38:51,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:51,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:51,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:51,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-16 23:38:51,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-16 23:38:51,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:51,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-16 23:38:51,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:51,529 INFO L124 PetriNetUnfolderBase]: 206/1481 cut-off events. [2024-11-16 23:38:51,529 INFO L125 PetriNetUnfolderBase]: For 238/239 co-relation queries the response was YES. [2024-11-16 23:38:51,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1481 events. 206/1481 cut-off events. For 238/239 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10269 event pairs, 161 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2024-11-16 23:38:51,538 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2024-11-16 23:38:51,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 565 flow [2024-11-16 23:38:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-11-16 23:38:51,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8292282430213465 [2024-11-16 23:38:51,541 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 448 flow. Second operand 3 states and 505 transitions. [2024-11-16 23:38:51,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 565 flow [2024-11-16 23:38:51,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:51,547 INFO L231 Difference]: Finished difference. Result has 191 places, 190 transitions, 479 flow [2024-11-16 23:38:51,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2024-11-16 23:38:51,549 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-11-16 23:38:51,550 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 479 flow [2024-11-16 23:38:51,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-16 23:38:51,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:51,551 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] [2024-11-16 23:38:51,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:38:51,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:51,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:51,553 INFO L85 PathProgramCache]: Analyzing trace with hash 981979363, now seen corresponding path program 1 times [2024-11-16 23:38:51,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:51,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795671782] [2024-11-16 23:38:51,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:51,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:51,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795671782] [2024-11-16 23:38:51,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795671782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:51,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:51,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:51,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373309560] [2024-11-16 23:38:51,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:51,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:51,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-16 23:38:51,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2024-11-16 23:38:51,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:51,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-16 23:38:51,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:51,946 INFO L124 PetriNetUnfolderBase]: 311/1966 cut-off events. [2024-11-16 23:38:51,946 INFO L125 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2024-11-16 23:38:51,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 1966 events. 311/1966 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 14457 event pairs, 131 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2024-11-16 23:38:51,956 INFO L140 encePairwiseOnDemand]: 194/203 looper letters, 57 selfloop transitions, 6 changer transitions 3/217 dead transitions. [2024-11-16 23:38:51,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 217 transitions, 684 flow [2024-11-16 23:38:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-16 23:38:51,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653530377668309 [2024-11-16 23:38:51,958 INFO L175 Difference]: Start difference. First operand has 191 places, 190 transitions, 479 flow. Second operand 3 states and 527 transitions. [2024-11-16 23:38:51,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 217 transitions, 684 flow [2024-11-16 23:38:51,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 217 transitions, 674 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:51,963 INFO L231 Difference]: Finished difference. Result has 191 places, 192 transitions, 507 flow [2024-11-16 23:38:51,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=191, PETRI_TRANSITIONS=192} [2024-11-16 23:38:51,965 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-11-16 23:38:51,965 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 192 transitions, 507 flow [2024-11-16 23:38:51,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2024-11-16 23:38:51,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:51,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:51,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:38:51,966 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:51,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2078661030, now seen corresponding path program 1 times [2024-11-16 23:38:51,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:51,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844866117] [2024-11-16 23:38:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:52,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:52,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844866117] [2024-11-16 23:38:52,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844866117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:52,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:52,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:52,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559015610] [2024-11-16 23:38:52,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:52,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:52,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:52,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:52,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:52,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-11-16 23:38:52,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 192 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2024-11-16 23:38:52,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:52,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-11-16 23:38:52,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:52,380 INFO L124 PetriNetUnfolderBase]: 342/2016 cut-off events. [2024-11-16 23:38:52,381 INFO L125 PetriNetUnfolderBase]: For 441/445 co-relation queries the response was YES. [2024-11-16 23:38:52,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2016 events. 342/2016 cut-off events. For 441/445 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15037 event pairs, 231 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2024-11-16 23:38:52,389 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 51 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2024-11-16 23:38:52,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 207 transitions, 659 flow [2024-11-16 23:38:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-16 23:38:52,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-11-16 23:38:52,391 INFO L175 Difference]: Start difference. First operand has 191 places, 192 transitions, 507 flow. Second operand 3 states and 518 transitions. [2024-11-16 23:38:52,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 207 transitions, 659 flow [2024-11-16 23:38:52,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 207 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:52,396 INFO L231 Difference]: Finished difference. Result has 193 places, 195 transitions, 527 flow [2024-11-16 23:38:52,397 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=193, PETRI_TRANSITIONS=195} [2024-11-16 23:38:52,398 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2024-11-16 23:38:52,398 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 195 transitions, 527 flow [2024-11-16 23:38:52,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2024-11-16 23:38:52,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:52,399 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:52,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:38:52,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:52,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash 706364776, now seen corresponding path program 1 times [2024-11-16 23:38:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347772846] [2024-11-16 23:38:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:52,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:52,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:52,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347772846] [2024-11-16 23:38:52,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347772846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:52,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:52,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:52,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568715277] [2024-11-16 23:38:52,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:52,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:52,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:52,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:52,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:52,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-11-16 23:38:52,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 195 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-16 23:38:52,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:52,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-11-16 23:38:52,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:52,748 INFO L124 PetriNetUnfolderBase]: 350/2164 cut-off events. [2024-11-16 23:38:52,749 INFO L125 PetriNetUnfolderBase]: For 457/461 co-relation queries the response was YES. [2024-11-16 23:38:52,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 2164 events. 350/2164 cut-off events. For 457/461 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16530 event pairs, 232 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2024-11-16 23:38:52,758 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 3 changer transitions 12/210 dead transitions. [2024-11-16 23:38:52,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 681 flow [2024-11-16 23:38:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-16 23:38:52,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-11-16 23:38:52,760 INFO L175 Difference]: Start difference. First operand has 193 places, 195 transitions, 527 flow. Second operand 3 states and 518 transitions. [2024-11-16 23:38:52,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 681 flow [2024-11-16 23:38:52,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 210 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:52,765 INFO L231 Difference]: Finished difference. Result has 195 places, 191 transitions, 523 flow [2024-11-16 23:38:52,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=195, PETRI_TRANSITIONS=191} [2024-11-16 23:38:52,767 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 2 predicate places. [2024-11-16 23:38:52,767 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 191 transitions, 523 flow [2024-11-16 23:38:52,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-16 23:38:52,768 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:52,768 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:52,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:38:52,768 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:52,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:52,769 INFO L85 PathProgramCache]: Analyzing trace with hash 587298410, now seen corresponding path program 1 times [2024-11-16 23:38:52,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:52,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552071774] [2024-11-16 23:38:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:52,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:38:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552071774] [2024-11-16 23:38:52,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552071774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:52,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:52,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 23:38:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337746359] [2024-11-16 23:38:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:52,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:38:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:38:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:38:53,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-11-16 23:38:53,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 191 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2024-11-16 23:38:53,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:53,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-11-16 23:38:53,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:53,239 INFO L124 PetriNetUnfolderBase]: 85/1268 cut-off events. [2024-11-16 23:38:53,240 INFO L125 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2024-11-16 23:38:53,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1268 events. 85/1268 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7791 event pairs, 40 based on Foata normal form. 26/1256 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2024-11-16 23:38:53,243 INFO L140 encePairwiseOnDemand]: 183/203 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2024-11-16 23:38:53,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 192 transitions, 595 flow [2024-11-16 23:38:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:38:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:38:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2024-11-16 23:38:53,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2024-11-16 23:38:53,246 INFO L175 Difference]: Start difference. First operand has 195 places, 191 transitions, 523 flow. Second operand 5 states and 864 transitions. [2024-11-16 23:38:53,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 192 transitions, 595 flow [2024-11-16 23:38:53,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 553 flow, removed 11 selfloop flow, removed 10 redundant places. [2024-11-16 23:38:53,250 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2024-11-16 23:38:53,251 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2024-11-16 23:38:53,252 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2024-11-16 23:38:53,253 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2024-11-16 23:38:53,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2024-11-16 23:38:53,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-11-16 23:38:53,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-11-16 23:38:53,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-11-16 23:38:53,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-11-16 23:38:53,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2024-11-16 23:38:53,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-11-16 23:38:53,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-11-16 23:38:53,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-11-16 23:38:53,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-11-16 23:38:53,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-11-16 23:38:53,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-11-16 23:38:53,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-11-16 23:38:53,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-11-16 23:38:53,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-11-16 23:38:53,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-11-16 23:38:53,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-11-16 23:38:53,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:38:53,264 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:53,271 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:38:53,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:38:53,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:38:53 BasicIcfg [2024-11-16 23:38:53,280 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:38:53,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:38:53,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:38:53,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:38:53,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:48" (3/4) ... [2024-11-16 23:38:53,283 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:38:53,287 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:38:53,291 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 23:38:53,292 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:38:53,292 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:38:53,292 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:38:53,386 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:38:53,386 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:38:53,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:38:53,387 INFO L158 Benchmark]: Toolchain (without parser) took 6490.94ms. Allocated memory was 151.0MB in the beginning and 314.6MB in the end (delta: 163.6MB). Free memory was 77.4MB in the beginning and 190.4MB in the end (delta: -113.1MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,387 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:38:53,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.38ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 77.1MB in the beginning and 166.4MB in the end (delta: -89.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.57ms. Allocated memory is still 207.6MB. Free memory was 166.4MB in the beginning and 164.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,388 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 207.6MB. Free memory was 164.3MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,388 INFO L158 Benchmark]: IcfgBuilder took 672.84ms. Allocated memory is still 207.6MB. Free memory was 162.2MB in the beginning and 136.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,389 INFO L158 Benchmark]: TraceAbstraction took 4982.54ms. Allocated memory was 207.6MB in the beginning and 314.6MB in the end (delta: 107.0MB). Free memory was 136.0MB in the beginning and 194.6MB in the end (delta: -58.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,389 INFO L158 Benchmark]: Witness Printer took 106.31ms. Allocated memory is still 314.6MB. Free memory was 194.6MB in the beginning and 190.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:38:53,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 151.0MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.38ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 77.1MB in the beginning and 166.4MB in the end (delta: -89.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.57ms. Allocated memory is still 207.6MB. Free memory was 166.4MB in the beginning and 164.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 207.6MB. Free memory was 164.3MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 672.84ms. Allocated memory is still 207.6MB. Free memory was 162.2MB in the beginning and 136.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4982.54ms. Allocated memory was 207.6MB in the beginning and 314.6MB in the end (delta: 107.0MB). Free memory was 136.0MB in the beginning and 194.6MB in the end (delta: -58.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Witness Printer took 106.31ms. Allocated memory is still 314.6MB. Free memory was 194.6MB in the beginning and 190.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 269 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 54 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:38:53,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE