./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_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_40-traces-ex-6_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 5ccb5cdd0373226e681809d7804324f4019c28126fdbac8b5748755015258b65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:38:57,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:38:58,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:38:58,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:38:58,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:38:58,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:38:58,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:38:58,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:38:58,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:38:58,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:38:58,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:38:58,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:38:58,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:38:58,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:38:58,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:38:58,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:38:58,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:38:58,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:38:58,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:38:58,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:38:58,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:38:58,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:38:58,089 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:38:58,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:38:58,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:38:58,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:38:58,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:38:58,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:38:58,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:38:58,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:38:58,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:38:58,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:58,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:38:58,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:38:58,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:38:58,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:38:58,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:38:58,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:38:58,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:38:58,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:38:58,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:38:58,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ccb5cdd0373226e681809d7804324f4019c28126fdbac8b5748755015258b65 [2024-11-16 23:38:58,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:38:58,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:38:58,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:38:58,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:38:58,346 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:38:58,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-11-16 23:38:59,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:39:00,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:39:00,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-11-16 23:39:00,031 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5124d1f4e/43fb77edb6be4c029ae5e15556e43af1/FLAG18a746dc2 [2024-11-16 23:39:00,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5124d1f4e/43fb77edb6be4c029ae5e15556e43af1 [2024-11-16 23:39:00,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:39:00,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:39:00,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:39:00,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:39:00,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:39:00,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1cb20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00, skipping insertion in model container [2024-11-16 23:39:00,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:39:00,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:39:00,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:39:00,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:39:00,888 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:39:00,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00 WrapperNode [2024-11-16 23:39:00,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:39:00,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:39:00,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:39:00,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:39:00,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,943 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-11-16 23:39:00,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:39:00,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:39:00,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:39:00,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:39:00,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:39:00,983 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:39:00,983 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:39:00,983 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:39:00,984 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (1/1) ... [2024-11-16 23:39:00,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:39:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:39:01,025 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 23:39:01,028 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 23:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:39:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:39:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:39:01,080 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 23:39:01,200 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:39:01,207 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:39:01,407 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:39:01,408 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:39:01,451 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:39:01,451 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:39:01,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:01 BoogieIcfgContainer [2024-11-16 23:39:01,452 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:39:01,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:39:01,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:39:01,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:39:01,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:00" (1/3) ... [2024-11-16 23:39:01,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3957d2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:01, skipping insertion in model container [2024-11-16 23:39:01,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:00" (2/3) ... [2024-11-16 23:39:01,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3957d2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:01, skipping insertion in model container [2024-11-16 23:39:01,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:01" (3/3) ... [2024-11-16 23:39:01,462 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-11-16 23:39:01,480 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:39:01,480 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-16 23:39:01,480 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:39:01,540 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:39:01,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 164 flow [2024-11-16 23:39:01,630 INFO L124 PetriNetUnfolderBase]: 2/79 cut-off events. [2024-11-16 23:39:01,631 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:39:01,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 2/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2024-11-16 23:39:01,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 80 transitions, 164 flow [2024-11-16 23:39:01,646 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 79 transitions, 161 flow [2024-11-16 23:39:01,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:39:01,670 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;@342dd2a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:39:01,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-16 23:39:01,693 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:39:01,694 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-16 23:39:01,695 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:39:01,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:01,696 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] [2024-11-16 23:39:01,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:01,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash -623143797, now seen corresponding path program 1 times [2024-11-16 23:39:01,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:01,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680387012] [2024-11-16 23:39:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:01,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:02,011 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 23:39:02,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:02,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680387012] [2024-11-16 23:39:02,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680387012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:02,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:02,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:02,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480680386] [2024-11-16 23:39:02,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:02,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:02,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:02,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:02,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 80 [2024-11-16 23:39:02,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 23:39:02,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:02,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 80 [2024-11-16 23:39:02,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:02,282 INFO L124 PetriNetUnfolderBase]: 36/227 cut-off events. [2024-11-16 23:39:02,283 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:39:02,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 227 events. 36/227 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 909 event pairs, 28 based on Foata normal form. 19/233 useless extension candidates. Maximal degree in co-relation 287. Up to 73 conditions per place. [2024-11-16 23:39:02,288 INFO L140 encePairwiseOnDemand]: 73/80 looper letters, 17 selfloop transitions, 4 changer transitions 0/81 dead transitions. [2024-11-16 23:39:02,289 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 81 transitions, 207 flow [2024-11-16 23:39:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2024-11-16 23:39:02,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2024-11-16 23:39:02,309 INFO L175 Difference]: Start difference. First operand has 81 places, 79 transitions, 161 flow. Second operand 3 states and 212 transitions. [2024-11-16 23:39:02,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 81 transitions, 207 flow [2024-11-16 23:39:02,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:39:02,320 INFO L231 Difference]: Finished difference. Result has 82 places, 78 transitions, 182 flow [2024-11-16 23:39:02,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=82, PETRI_TRANSITIONS=78} [2024-11-16 23:39:02,328 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 1 predicate places. [2024-11-16 23:39:02,330 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 78 transitions, 182 flow [2024-11-16 23:39:02,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 23:39:02,331 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:02,331 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] [2024-11-16 23:39:02,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:39:02,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:02,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:02,333 INFO L85 PathProgramCache]: Analyzing trace with hash -527591736, now seen corresponding path program 1 times [2024-11-16 23:39:02,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:02,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253221404] [2024-11-16 23:39:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:02,412 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 23:39:02,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:02,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253221404] [2024-11-16 23:39:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253221404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:02,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:02,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:02,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345916769] [2024-11-16 23:39:02,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:02,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:02,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:02,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:02,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:02,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 80 [2024-11-16 23:39:02,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 23:39:02,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:02,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 80 [2024-11-16 23:39:02,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:02,547 INFO L124 PetriNetUnfolderBase]: 37/343 cut-off events. [2024-11-16 23:39:02,547 INFO L125 PetriNetUnfolderBase]: For 28/30 co-relation queries the response was YES. [2024-11-16 23:39:02,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 343 events. 37/343 cut-off events. For 28/30 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1774 event pairs, 20 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 455. Up to 64 conditions per place. [2024-11-16 23:39:02,550 INFO L140 encePairwiseOnDemand]: 75/80 looper letters, 15 selfloop transitions, 5 changer transitions 1/85 dead transitions. [2024-11-16 23:39:02,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 85 transitions, 242 flow [2024-11-16 23:39:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-11-16 23:39:02,555 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8875 [2024-11-16 23:39:02,555 INFO L175 Difference]: Start difference. First operand has 82 places, 78 transitions, 182 flow. Second operand 3 states and 213 transitions. [2024-11-16 23:39:02,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 85 transitions, 242 flow [2024-11-16 23:39:02,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 85 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:02,560 INFO L231 Difference]: Finished difference. Result has 84 places, 81 transitions, 210 flow [2024-11-16 23:39:02,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=84, PETRI_TRANSITIONS=81} [2024-11-16 23:39:02,562 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 3 predicate places. [2024-11-16 23:39:02,562 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 81 transitions, 210 flow [2024-11-16 23:39:02,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 23:39:02,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:02,563 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] [2024-11-16 23:39:02,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:39:02,564 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:02,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:02,565 INFO L85 PathProgramCache]: Analyzing trace with hash -2005566593, now seen corresponding path program 1 times [2024-11-16 23:39:02,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:02,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617690608] [2024-11-16 23:39:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:02,631 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 23:39:02,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:02,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617690608] [2024-11-16 23:39:02,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617690608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:02,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:02,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:02,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510665346] [2024-11-16 23:39:02,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:02,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:02,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:02,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:02,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 80 [2024-11-16 23:39:02,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 81 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 23:39:02,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:02,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 80 [2024-11-16 23:39:02,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:02,725 INFO L124 PetriNetUnfolderBase]: 40/338 cut-off events. [2024-11-16 23:39:02,725 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-11-16 23:39:02,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 338 events. 40/338 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1676 event pairs, 26 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 507. Up to 84 conditions per place. [2024-11-16 23:39:02,728 INFO L140 encePairwiseOnDemand]: 75/80 looper letters, 18 selfloop transitions, 4 changer transitions 3/87 dead transitions. [2024-11-16 23:39:02,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 276 flow [2024-11-16 23:39:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:02,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2024-11-16 23:39:02,732 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-11-16 23:39:02,732 INFO L175 Difference]: Start difference. First operand has 84 places, 81 transitions, 210 flow. Second operand 3 states and 208 transitions. [2024-11-16 23:39:02,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 276 flow [2024-11-16 23:39:02,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 87 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:02,738 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 224 flow [2024-11-16 23:39:02,739 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-11-16 23:39:02,740 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 5 predicate places. [2024-11-16 23:39:02,740 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 224 flow [2024-11-16 23:39:02,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 23:39:02,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:02,741 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] [2024-11-16 23:39:02,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:39:02,742 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:02,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:02,743 INFO L85 PathProgramCache]: Analyzing trace with hash -205462531, now seen corresponding path program 1 times [2024-11-16 23:39:02,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:02,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069946129] [2024-11-16 23:39:02,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:02,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:03,033 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 23:39:03,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:03,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069946129] [2024-11-16 23:39:03,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069946129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:03,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:03,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 23:39:03,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427577541] [2024-11-16 23:39:03,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:03,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:39:03,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:03,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:39:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:39:03,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80 [2024-11-16 23:39:03,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 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 23:39:03,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:03,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80 [2024-11-16 23:39:03,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:03,182 INFO L124 PetriNetUnfolderBase]: 8/218 cut-off events. [2024-11-16 23:39:03,183 INFO L125 PetriNetUnfolderBase]: For 40/42 co-relation queries the response was YES. [2024-11-16 23:39:03,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 218 events. 8/218 cut-off events. For 40/42 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 809 event pairs, 3 based on Foata normal form. 3/212 useless extension candidates. Maximal degree in co-relation 281. Up to 17 conditions per place. [2024-11-16 23:39:03,186 INFO L140 encePairwiseOnDemand]: 75/80 looper letters, 6 selfloop transitions, 5 changer transitions 2/79 dead transitions. [2024-11-16 23:39:03,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 79 transitions, 232 flow [2024-11-16 23:39:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:39:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:39:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 350 transitions. [2024-11-16 23:39:03,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.875 [2024-11-16 23:39:03,189 INFO L175 Difference]: Start difference. First operand has 86 places, 81 transitions, 224 flow. Second operand 5 states and 350 transitions. [2024-11-16 23:39:03,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 79 transitions, 232 flow [2024-11-16 23:39:03,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 79 transitions, 212 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-16 23:39:03,193 INFO L231 Difference]: Finished difference. Result has 85 places, 76 transitions, 190 flow [2024-11-16 23:39:03,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=190, PETRI_PLACES=85, PETRI_TRANSITIONS=76} [2024-11-16 23:39:03,195 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 4 predicate places. [2024-11-16 23:39:03,196 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 76 transitions, 190 flow [2024-11-16 23:39:03,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.33333333333333) internal successors, (410), 6 states have internal predecessors, (410), 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 23:39:03,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:03,197 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] [2024-11-16 23:39:03,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:39:03,197 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:03,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:03,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1948420756, now seen corresponding path program 1 times [2024-11-16 23:39:03,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:03,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671409575] [2024-11-16 23:39:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:03,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:03,310 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 23:39:03,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:03,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671409575] [2024-11-16 23:39:03,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671409575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:03,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:03,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:39:03,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209167143] [2024-11-16 23:39:03,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:03,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:03,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:03,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:03,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:03,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 80 [2024-11-16 23:39:03,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 76 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 23:39:03,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:03,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 80 [2024-11-16 23:39:03,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:03,369 INFO L124 PetriNetUnfolderBase]: 3/188 cut-off events. [2024-11-16 23:39:03,369 INFO L125 PetriNetUnfolderBase]: For 15/19 co-relation queries the response was YES. [2024-11-16 23:39:03,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 188 events. 3/188 cut-off events. For 15/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 644 event pairs, 1 based on Foata normal form. 4/183 useless extension candidates. Maximal degree in co-relation 219. Up to 15 conditions per place. [2024-11-16 23:39:03,370 INFO L140 encePairwiseOnDemand]: 75/80 looper letters, 5 selfloop transitions, 4 changer transitions 3/79 dead transitions. [2024-11-16 23:39:03,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 79 transitions, 222 flow [2024-11-16 23:39:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-11-16 23:39:03,372 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9083333333333333 [2024-11-16 23:39:03,372 INFO L175 Difference]: Start difference. First operand has 85 places, 76 transitions, 190 flow. Second operand 3 states and 218 transitions. [2024-11-16 23:39:03,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 79 transitions, 222 flow [2024-11-16 23:39:03,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 215 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:39:03,374 INFO L231 Difference]: Finished difference. Result has 85 places, 76 transitions, 198 flow [2024-11-16 23:39:03,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=85, PETRI_TRANSITIONS=76} [2024-11-16 23:39:03,375 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 4 predicate places. [2024-11-16 23:39:03,375 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 76 transitions, 198 flow [2024-11-16 23:39:03,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 23:39:03,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:03,376 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] [2024-11-16 23:39:03,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:39:03,377 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-16 23:39:03,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:03,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1612981572, now seen corresponding path program 2 times [2024-11-16 23:39:03,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:03,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401380255] [2024-11-16 23:39:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:03,533 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 23:39:03,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:03,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401380255] [2024-11-16 23:39:03,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401380255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:03,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:03,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:39:03,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535748819] [2024-11-16 23:39:03,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:03,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:39:03,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:03,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:39:03,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:39:03,582 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80 [2024-11-16 23:39:03,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 76 transitions, 198 flow. Second operand has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 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 23:39:03,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:03,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80 [2024-11-16 23:39:03,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:03,628 INFO L124 PetriNetUnfolderBase]: 0/95 cut-off events. [2024-11-16 23:39:03,629 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-11-16 23:39:03,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 95 events. 0/95 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 2/95 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2024-11-16 23:39:03,629 INFO L140 encePairwiseOnDemand]: 74/80 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2024-11-16 23:39:03,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 72 transitions, 198 flow [2024-11-16 23:39:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:39:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:39:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 346 transitions. [2024-11-16 23:39:03,631 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.865 [2024-11-16 23:39:03,632 INFO L175 Difference]: Start difference. First operand has 85 places, 76 transitions, 198 flow. Second operand 5 states and 346 transitions. [2024-11-16 23:39:03,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 72 transitions, 198 flow [2024-11-16 23:39:03,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 72 transitions, 174 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-11-16 23:39:03,634 INFO L231 Difference]: Finished difference. Result has 81 places, 0 transitions, 0 flow [2024-11-16 23:39:03,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=81, PETRI_TRANSITIONS=0} [2024-11-16 23:39:03,635 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 0 predicate places. [2024-11-16 23:39:03,635 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 0 transitions, 0 flow [2024-11-16 23:39:03,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 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 23:39:03,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-16 23:39:03,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-11-16 23:39:03,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-16 23:39:03,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-16 23:39:03,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-16 23:39:03,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-16 23:39:03,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:39:03,640 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-16 23:39:03,646 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:39:03,646 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:39:03,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:03 BasicIcfg [2024-11-16 23:39:03,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:39:03,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:39:03,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:39:03,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:39:03,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:39:01" (3/4) ... [2024-11-16 23:39:03,655 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:39:03,658 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:39:03,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 23:39:03,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:39:03,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:39:03,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:39:03,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:39:03,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:39:03,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:39:03,757 INFO L158 Benchmark]: Toolchain (without parser) took 3446.67ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 63.6MB in the end (delta: 16.5MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,757 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 153.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:03,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.01ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 79.9MB in the beginning and 153.4MB in the end (delta: -73.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.49ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 151.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,758 INFO L158 Benchmark]: Boogie Preprocessor took 37.66ms. Allocated memory is still 195.0MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,759 INFO L158 Benchmark]: IcfgBuilder took 469.06ms. Allocated memory is still 195.0MB. Free memory was 149.2MB in the beginning and 133.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,759 INFO L158 Benchmark]: TraceAbstraction took 2197.57ms. Allocated memory is still 195.0MB. Free memory was 132.5MB in the beginning and 67.8MB in the end (delta: 64.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,763 INFO L158 Benchmark]: Witness Printer took 103.09ms. Allocated memory is still 195.0MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:39:03,764 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 153.1MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.01ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 79.9MB in the beginning and 153.4MB in the end (delta: -73.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.49ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 151.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.66ms. Allocated memory is still 195.0MB. Free memory was 151.3MB in the beginning and 149.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 469.06ms. Allocated memory is still 195.0MB. Free memory was 149.2MB in the beginning and 133.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2197.57ms. Allocated memory is still 195.0MB. Free memory was 132.5MB in the beginning and 67.8MB in the end (delta: 64.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Witness Printer took 103.09ms. Allocated memory is still 195.0MB. Free memory was 67.8MB in the beginning and 63.6MB 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: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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, 104 locations, 6 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 34 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 0.7s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:39:03,795 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