./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_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_27-multiple-protecting2_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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:38:45,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:38:45,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:38:45,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:38:45,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:38:45,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:38:45,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:38:45,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:38:45,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:38:45,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:38:45,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:38:45,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:38:45,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:38:45,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:38:45,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:38:45,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:38:45,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:38:45,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:38:45,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:38:45,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:38:45,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:38:45,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:38:45,252 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:38:45,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:38:45,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:38:45,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:38:45,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:38:45,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:38:45,254 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:38:45,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:38:45,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:38:45,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:45,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:38:45,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:38:45,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:38:45,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:38:45,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:38:45,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:38:45,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:38:45,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:38:45,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:38:45,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2024-11-16 23:38:45,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:38:45,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:38:45,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:38:45,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:38:45,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:38:45,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-16 23:38:46,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:38:47,197 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:38:47,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-16 23:38:47,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e051474/b78a8ba46f9c4cc7bdb8a347f8a41f64/FLAG26122346e [2024-11-16 23:38:47,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e051474/b78a8ba46f9c4cc7bdb8a347f8a41f64 [2024-11-16 23:38:47,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:38:47,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:38:47,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:47,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:38:47,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:38:47,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4113743a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47, skipping insertion in model container [2024-11-16 23:38:47,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:47" (1/1) ... [2024-11-16 23:38:47,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:38:47,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:47,762 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:38:47,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:38:47,859 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:38:47,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:47 WrapperNode [2024-11-16 23:38:47,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:38:47,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:47,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:38:47,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:38:47,869 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 23:38:47,886 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 23:38:47,910 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 125 [2024-11-16 23:38:47,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:38:47,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:38:47,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:38:47,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:38:47,922 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 23:38:47,922 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 23:38:47,925 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 23:38:47,926 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 23:38:47,931 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 23:38:47,932 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 23:38:47,934 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 23:38:47,935 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 23:38:47,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:38:47,938 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:38:47,939 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:38:47,939 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:38:47,940 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 23:38:47,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:38:47,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:38:47,981 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 23:38:47,984 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 23:38:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-16 23:38:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-16 23:38:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:38:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:38:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:38:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:38:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:38:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:38:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:38:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:38:48,034 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 23:38:48,196 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:38:48,198 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:38:48,523 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:38:48,523 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:38:48,588 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:38:48,588 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:38:48,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:38:48 BoogieIcfgContainer [2024-11-16 23:38:48,588 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:38:48,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:38:48,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:38:48,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:38:48,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:47" (1/3) ... [2024-11-16 23:38:48,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4106a629 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 23:38:48,598 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 23:38:48,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4106a629 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 23:38:48,599 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 23:38:48,600 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-11-16 23:38:48,618 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:38:48,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-16 23:38:48,618 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:38:48,697 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:38:48,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 215 transitions, 444 flow [2024-11-16 23:38:48,850 INFO L124 PetriNetUnfolderBase]: 8/213 cut-off events. [2024-11-16 23:38:48,852 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:38:48,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 213 events. 8/213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2024-11-16 23:38:48,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 215 transitions, 444 flow [2024-11-16 23:38:48,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 208 transitions, 425 flow [2024-11-16 23:38:48,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:38:48,889 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;@1d031ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:38:48,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-16 23:38:48,906 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:38:48,907 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2024-11-16 23:38:48,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:38:48,907 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:48,908 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 23:38:48,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:48,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash -532470634, now seen corresponding path program 1 times [2024-11-16 23:38:48,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:48,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722375733] [2024-11-16 23:38:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:48,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:49,237 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 23:38:49,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:49,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722375733] [2024-11-16 23:38:49,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722375733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:49,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:49,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:49,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084817608] [2024-11-16 23:38:49,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:49,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:49,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:49,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:49,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 215 [2024-11-16 23:38:49,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 23:38:49,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:49,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 215 [2024-11-16 23:38:49,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:51,543 INFO L124 PetriNetUnfolderBase]: 4355/15186 cut-off events. [2024-11-16 23:38:51,545 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-11-16 23:38:51,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22183 conditions, 15186 events. 4355/15186 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 167409 event pairs, 1643 based on Foata normal form. 962/14830 useless extension candidates. Maximal degree in co-relation 22057. Up to 4457 conditions per place. [2024-11-16 23:38:51,684 INFO L140 encePairwiseOnDemand]: 192/215 looper letters, 66 selfloop transitions, 10 changer transitions 0/224 dead transitions. [2024-11-16 23:38:51,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 224 transitions, 615 flow [2024-11-16 23:38:51,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2024-11-16 23:38:51,698 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8852713178294573 [2024-11-16 23:38:51,700 INFO L175 Difference]: Start difference. First operand has 207 places, 208 transitions, 425 flow. Second operand 3 states and 571 transitions. [2024-11-16 23:38:51,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 224 transitions, 615 flow [2024-11-16 23:38:51,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 224 transitions, 607 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:38:51,713 INFO L231 Difference]: Finished difference. Result has 198 places, 198 transitions, 462 flow [2024-11-16 23:38:51,715 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=198, PETRI_TRANSITIONS=198} [2024-11-16 23:38:51,721 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-16 23:38:51,721 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 198 transitions, 462 flow [2024-11-16 23:38:51,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 23:38:51,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:51,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:51,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:38:51,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:51,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1587863814, now seen corresponding path program 1 times [2024-11-16 23:38:51,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:51,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279134543] [2024-11-16 23:38:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:51,886 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 23:38:51,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:51,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279134543] [2024-11-16 23:38:51,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279134543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:51,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:51,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:51,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033677716] [2024-11-16 23:38:51,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:51,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:51,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:51,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-16 23:38:51,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 198 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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 23:38:51,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:51,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-16 23:38:51,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:53,750 INFO L124 PetriNetUnfolderBase]: 4773/14933 cut-off events. [2024-11-16 23:38:53,750 INFO L125 PetriNetUnfolderBase]: For 2287/2315 co-relation queries the response was YES. [2024-11-16 23:38:53,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24615 conditions, 14933 events. 4773/14933 cut-off events. For 2287/2315 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 162612 event pairs, 3453 based on Foata normal form. 28/13559 useless extension candidates. Maximal degree in co-relation 24457. Up to 6392 conditions per place. [2024-11-16 23:38:53,861 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 61 selfloop transitions, 8 changer transitions 0/224 dead transitions. [2024-11-16 23:38:53,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 224 transitions, 670 flow [2024-11-16 23:38:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-16 23:38:53,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-16 23:38:53,864 INFO L175 Difference]: Start difference. First operand has 198 places, 198 transitions, 462 flow. Second operand 3 states and 555 transitions. [2024-11-16 23:38:53,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 224 transitions, 670 flow [2024-11-16 23:38:53,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 224 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:53,878 INFO L231 Difference]: Finished difference. Result has 200 places, 205 transitions, 514 flow [2024-11-16 23:38:53,879 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=200, PETRI_TRANSITIONS=205} [2024-11-16 23:38:53,880 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-16 23:38:53,880 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 205 transitions, 514 flow [2024-11-16 23:38:53,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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 23:38:53,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:53,881 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:38:53,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:38:53,881 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:53,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1191438697, now seen corresponding path program 1 times [2024-11-16 23:38:53,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:53,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122429931] [2024-11-16 23:38:53,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:53,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:53,988 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 23:38:53,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122429931] [2024-11-16 23:38:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122429931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:53,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:53,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052072465] [2024-11-16 23:38:53,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:53,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:53,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:53,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:53,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:54,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-16 23:38:54,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 205 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 23:38:54,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:54,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-16 23:38:54,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:56,235 INFO L124 PetriNetUnfolderBase]: 6874/23203 cut-off events. [2024-11-16 23:38:56,236 INFO L125 PetriNetUnfolderBase]: For 723/765 co-relation queries the response was YES. [2024-11-16 23:38:56,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35958 conditions, 23203 events. 6874/23203 cut-off events. For 723/765 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 278618 event pairs, 2705 based on Foata normal form. 14/21415 useless extension candidates. Maximal degree in co-relation 35833. Up to 5723 conditions per place. [2024-11-16 23:38:56,406 INFO L140 encePairwiseOnDemand]: 206/215 looper letters, 59 selfloop transitions, 6 changer transitions 0/232 dead transitions. [2024-11-16 23:38:56,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 232 transitions, 699 flow [2024-11-16 23:38:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-16 23:38:56,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8682170542635659 [2024-11-16 23:38:56,409 INFO L175 Difference]: Start difference. First operand has 200 places, 205 transitions, 514 flow. Second operand 3 states and 560 transitions. [2024-11-16 23:38:56,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 232 transitions, 699 flow [2024-11-16 23:38:56,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 232 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:56,417 INFO L231 Difference]: Finished difference. Result has 200 places, 207 transitions, 536 flow [2024-11-16 23:38:56,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=200, PETRI_TRANSITIONS=207} [2024-11-16 23:38:56,418 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-16 23:38:56,418 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 207 transitions, 536 flow [2024-11-16 23:38:56,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 23:38:56,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:56,419 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 23:38:56,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:38:56,420 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:56,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash 196239662, now seen corresponding path program 1 times [2024-11-16 23:38:56,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:56,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410003930] [2024-11-16 23:38:56,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:56,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:56,501 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 23:38:56,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:56,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410003930] [2024-11-16 23:38:56,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410003930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:56,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:56,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:38:56,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172091806] [2024-11-16 23:38:56,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:56,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:38:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:56,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:38:56,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:38:56,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-16 23:38:56,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 207 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:38:56,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:56,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-16 23:38:56,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:38:58,992 INFO L124 PetriNetUnfolderBase]: 7740/24641 cut-off events. [2024-11-16 23:38:58,993 INFO L125 PetriNetUnfolderBase]: For 3856/3962 co-relation queries the response was YES. [2024-11-16 23:38:59,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41371 conditions, 24641 events. 7740/24641 cut-off events. For 3856/3962 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 297512 event pairs, 5376 based on Foata normal form. 14/22558 useless extension candidates. Maximal degree in co-relation 41247. Up to 10216 conditions per place. [2024-11-16 23:38:59,142 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 57 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2024-11-16 23:38:59,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 229 transitions, 707 flow [2024-11-16 23:38:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:38:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:38:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-16 23:38:59,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-16 23:38:59,146 INFO L175 Difference]: Start difference. First operand has 200 places, 207 transitions, 536 flow. Second operand 3 states and 557 transitions. [2024-11-16 23:38:59,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 229 transitions, 707 flow [2024-11-16 23:38:59,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 229 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:38:59,157 INFO L231 Difference]: Finished difference. Result has 202 places, 210 transitions, 556 flow [2024-11-16 23:38:59,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=202, PETRI_TRANSITIONS=210} [2024-11-16 23:38:59,159 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -5 predicate places. [2024-11-16 23:38:59,159 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 210 transitions, 556 flow [2024-11-16 23:38:59,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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 23:38:59,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:38:59,160 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] [2024-11-16 23:38:59,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:38:59,160 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:38:59,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:38:59,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1992811598, now seen corresponding path program 1 times [2024-11-16 23:38:59,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:38:59,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86842372] [2024-11-16 23:38:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:38:59,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:38:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:38:59,475 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 23:38:59,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:38:59,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86842372] [2024-11-16 23:38:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86842372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:38:59,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:38:59,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:38:59,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061628398] [2024-11-16 23:38:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:38:59,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:38:59,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:38:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:38:59,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:38:59,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-16 23:38:59,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 210 transitions, 556 flow. Second operand has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 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 23:38:59,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:38:59,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-16 23:38:59,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:00,539 INFO L124 PetriNetUnfolderBase]: 1980/10595 cut-off events. [2024-11-16 23:39:00,539 INFO L125 PetriNetUnfolderBase]: For 425/498 co-relation queries the response was YES. [2024-11-16 23:39:00,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15886 conditions, 10595 events. 1980/10595 cut-off events. For 425/498 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 123908 event pairs, 608 based on Foata normal form. 109/9923 useless extension candidates. Maximal degree in co-relation 15759. Up to 1748 conditions per place. [2024-11-16 23:39:00,599 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 44 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2024-11-16 23:39:00,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 233 transitions, 708 flow [2024-11-16 23:39:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:39:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:39:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-16 23:39:00,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-16 23:39:00,603 INFO L175 Difference]: Start difference. First operand has 202 places, 210 transitions, 556 flow. Second operand 5 states and 919 transitions. [2024-11-16 23:39:00,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 233 transitions, 708 flow [2024-11-16 23:39:00,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 233 transitions, 700 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:00,609 INFO L231 Difference]: Finished difference. Result has 205 places, 214 transitions, 586 flow [2024-11-16 23:39:00,609 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=586, PETRI_PLACES=205, PETRI_TRANSITIONS=214} [2024-11-16 23:39:00,610 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2024-11-16 23:39:00,610 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 214 transitions, 586 flow [2024-11-16 23:39:00,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 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 23:39:00,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:00,612 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] [2024-11-16 23:39:00,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:39:00,612 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:00,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:00,614 INFO L85 PathProgramCache]: Analyzing trace with hash 541964129, now seen corresponding path program 1 times [2024-11-16 23:39:00,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:00,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783508364] [2024-11-16 23:39:00,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:00,674 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 23:39:00,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:00,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783508364] [2024-11-16 23:39:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783508364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:00,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:00,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:00,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807385546] [2024-11-16 23:39:00,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:00,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:00,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:00,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:00,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:00,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-16 23:39:00,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 214 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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 23:39:00,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:00,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-16 23:39:00,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:02,267 INFO L124 PetriNetUnfolderBase]: 3946/14426 cut-off events. [2024-11-16 23:39:02,268 INFO L125 PetriNetUnfolderBase]: For 3501/3511 co-relation queries the response was YES. [2024-11-16 23:39:02,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26551 conditions, 14426 events. 3946/14426 cut-off events. For 3501/3511 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 165632 event pairs, 2498 based on Foata normal form. 2/13441 useless extension candidates. Maximal degree in co-relation 26386. Up to 6071 conditions per place. [2024-11-16 23:39:02,373 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 70 selfloop transitions, 8 changer transitions 2/242 dead transitions. [2024-11-16 23:39:02,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 242 transitions, 840 flow [2024-11-16 23:39:02,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-16 23:39:02,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-16 23:39:02,376 INFO L175 Difference]: Start difference. First operand has 205 places, 214 transitions, 586 flow. Second operand 3 states and 555 transitions. [2024-11-16 23:39:02,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 242 transitions, 840 flow [2024-11-16 23:39:02,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 242 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:02,384 INFO L231 Difference]: Finished difference. Result has 207 places, 221 transitions, 665 flow [2024-11-16 23:39:02,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=207, PETRI_TRANSITIONS=221} [2024-11-16 23:39:02,385 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 0 predicate places. [2024-11-16 23:39:02,385 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 221 transitions, 665 flow [2024-11-16 23:39:02,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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 23:39:02,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:02,386 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] [2024-11-16 23:39:02,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:39:02,387 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:02,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1050379220, now seen corresponding path program 1 times [2024-11-16 23:39:02,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:02,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190775031] [2024-11-16 23:39:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:02,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:02,430 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 23:39:02,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:02,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190775031] [2024-11-16 23:39:02,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190775031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:02,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:02,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:39:02,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632924228] [2024-11-16 23:39:02,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:02,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:02,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:02,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:02,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:02,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-16 23:39:02,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 221 transitions, 665 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 23:39:02,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:02,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-16 23:39:02,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:04,214 INFO L124 PetriNetUnfolderBase]: 3679/15023 cut-off events. [2024-11-16 23:39:04,214 INFO L125 PetriNetUnfolderBase]: For 3682/3804 co-relation queries the response was YES. [2024-11-16 23:39:04,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27279 conditions, 15023 events. 3679/15023 cut-off events. For 3682/3804 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 176924 event pairs, 2162 based on Foata normal form. 4/13778 useless extension candidates. Maximal degree in co-relation 27144. Up to 5227 conditions per place. [2024-11-16 23:39:04,306 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 61 selfloop transitions, 4 changer transitions 3/245 dead transitions. [2024-11-16 23:39:04,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 245 transitions, 873 flow [2024-11-16 23:39:04,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-16 23:39:04,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-16 23:39:04,308 INFO L175 Difference]: Start difference. First operand has 207 places, 221 transitions, 665 flow. Second operand 3 states and 557 transitions. [2024-11-16 23:39:04,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 245 transitions, 873 flow [2024-11-16 23:39:04,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 245 transitions, 847 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:04,331 INFO L231 Difference]: Finished difference. Result has 209 places, 224 transitions, 673 flow [2024-11-16 23:39:04,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=209, PETRI_TRANSITIONS=224} [2024-11-16 23:39:04,333 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 2 predicate places. [2024-11-16 23:39:04,333 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 224 transitions, 673 flow [2024-11-16 23:39:04,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 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 23:39:04,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:04,334 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] [2024-11-16 23:39:04,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:39:04,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:04,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2131476996, now seen corresponding path program 1 times [2024-11-16 23:39:04,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:04,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967094716] [2024-11-16 23:39:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:04,664 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 23:39:04,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:04,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967094716] [2024-11-16 23:39:04,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967094716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:04,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:04,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:39:04,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746562762] [2024-11-16 23:39:04,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:04,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:39:04,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:04,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:39:04,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:39:04,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-16 23:39:04,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 224 transitions, 673 flow. Second operand has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 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 23:39:04,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:04,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-16 23:39:04,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:05,794 INFO L124 PetriNetUnfolderBase]: 1335/7857 cut-off events. [2024-11-16 23:39:05,794 INFO L125 PetriNetUnfolderBase]: For 1577/1625 co-relation queries the response was YES. [2024-11-16 23:39:05,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13361 conditions, 7857 events. 1335/7857 cut-off events. For 1577/1625 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 87395 event pairs, 374 based on Foata normal form. 24/7458 useless extension candidates. Maximal degree in co-relation 13225. Up to 1346 conditions per place. [2024-11-16 23:39:05,833 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 40 selfloop transitions, 10 changer transitions 13/250 dead transitions. [2024-11-16 23:39:05,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 250 transitions, 867 flow [2024-11-16 23:39:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:39:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:39:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-16 23:39:05,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-16 23:39:05,837 INFO L175 Difference]: Start difference. First operand has 209 places, 224 transitions, 673 flow. Second operand 5 states and 919 transitions. [2024-11-16 23:39:05,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 250 transitions, 867 flow [2024-11-16 23:39:05,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 250 transitions, 857 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:05,851 INFO L231 Difference]: Finished difference. Result has 212 places, 223 transitions, 699 flow [2024-11-16 23:39:05,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=699, PETRI_PLACES=212, PETRI_TRANSITIONS=223} [2024-11-16 23:39:05,852 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 5 predicate places. [2024-11-16 23:39:05,852 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 223 transitions, 699 flow [2024-11-16 23:39:05,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 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 23:39:05,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:05,853 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] [2024-11-16 23:39:05,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:39:05,853 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:05,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:05,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1076142009, now seen corresponding path program 1 times [2024-11-16 23:39:05,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:05,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779014475] [2024-11-16 23:39:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:05,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:06,001 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 23:39:06,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:06,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779014475] [2024-11-16 23:39:06,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779014475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:06,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:06,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:39:06,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257220061] [2024-11-16 23:39:06,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:06,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:39:06,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:06,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:39:06,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:39:06,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2024-11-16 23:39:06,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 223 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 23:39:06,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:06,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2024-11-16 23:39:06,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:06,960 INFO L124 PetriNetUnfolderBase]: 818/7273 cut-off events. [2024-11-16 23:39:06,960 INFO L125 PetriNetUnfolderBase]: For 2285/2317 co-relation queries the response was YES. [2024-11-16 23:39:06,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12563 conditions, 7273 events. 818/7273 cut-off events. For 2285/2317 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 80030 event pairs, 233 based on Foata normal form. 167/7150 useless extension candidates. Maximal degree in co-relation 7911. Up to 1260 conditions per place. [2024-11-16 23:39:06,991 INFO L140 encePairwiseOnDemand]: 195/215 looper letters, 24 selfloop transitions, 20 changer transitions 15/247 dead transitions. [2024-11-16 23:39:06,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 247 transitions, 931 flow [2024-11-16 23:39:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:39:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:39:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2024-11-16 23:39:06,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8930232558139535 [2024-11-16 23:39:06,993 INFO L175 Difference]: Start difference. First operand has 212 places, 223 transitions, 699 flow. Second operand 3 states and 576 transitions. [2024-11-16 23:39:06,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 247 transitions, 931 flow [2024-11-16 23:39:07,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 247 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:39:07,004 INFO L231 Difference]: Finished difference. Result has 213 places, 227 transitions, 789 flow [2024-11-16 23:39:07,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=213, PETRI_TRANSITIONS=227} [2024-11-16 23:39:07,005 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 6 predicate places. [2024-11-16 23:39:07,005 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 227 transitions, 789 flow [2024-11-16 23:39:07,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 23:39:07,006 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:07,006 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] [2024-11-16 23:39:07,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:39:07,007 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:07,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash -180573837, now seen corresponding path program 2 times [2024-11-16 23:39:07,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:07,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686710720] [2024-11-16 23:39:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:07,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:07,395 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 23:39:07,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:07,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686710720] [2024-11-16 23:39:07,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686710720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:07,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:07,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:39:07,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787381555] [2024-11-16 23:39:07,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:07,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:39:07,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:07,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:39:07,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:39:07,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-16 23:39:07,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 227 transitions, 789 flow. Second operand has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 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 23:39:07,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:07,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-16 23:39:07,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:07,953 INFO L124 PetriNetUnfolderBase]: 149/2619 cut-off events. [2024-11-16 23:39:07,954 INFO L125 PetriNetUnfolderBase]: For 1537/1594 co-relation queries the response was YES. [2024-11-16 23:39:07,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4927 conditions, 2619 events. 149/2619 cut-off events. For 1537/1594 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 21406 event pairs, 65 based on Foata normal form. 37/2571 useless extension candidates. Maximal degree in co-relation 3375. Up to 426 conditions per place. [2024-11-16 23:39:07,964 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 27 selfloop transitions, 7 changer transitions 13/207 dead transitions. [2024-11-16 23:39:07,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 207 transitions, 773 flow [2024-11-16 23:39:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:39:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:39:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1070 transitions. [2024-11-16 23:39:07,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2024-11-16 23:39:07,968 INFO L175 Difference]: Start difference. First operand has 213 places, 227 transitions, 789 flow. Second operand 6 states and 1070 transitions. [2024-11-16 23:39:07,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 207 transitions, 773 flow [2024-11-16 23:39:07,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 207 transitions, 713 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-16 23:39:07,977 INFO L231 Difference]: Finished difference. Result has 208 places, 190 transitions, 534 flow [2024-11-16 23:39:07,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=208, PETRI_TRANSITIONS=190} [2024-11-16 23:39:07,978 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, 1 predicate places. [2024-11-16 23:39:07,978 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 190 transitions, 534 flow [2024-11-16 23:39:07,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 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 23:39:07,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:39:07,980 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, 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 23:39:07,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:39:07,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr3ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-16 23:39:07,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:39:07,981 INFO L85 PathProgramCache]: Analyzing trace with hash -833323455, now seen corresponding path program 1 times [2024-11-16 23:39:07,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:39:07,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816003814] [2024-11-16 23:39:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:39:07,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:39:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:39:08,472 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 23:39:08,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:39:08,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816003814] [2024-11-16 23:39:08,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816003814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:39:08,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:39:08,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 23:39:08,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887524730] [2024-11-16 23:39:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:39:08,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 23:39:08,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:39:08,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 23:39:08,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 23:39:08,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-16 23:39:08,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 190 transitions, 534 flow. Second operand has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 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 23:39:08,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:39:08,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-16 23:39:08,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:39:08,807 INFO L124 PetriNetUnfolderBase]: 41/736 cut-off events. [2024-11-16 23:39:08,807 INFO L125 PetriNetUnfolderBase]: For 331/344 co-relation queries the response was YES. [2024-11-16 23:39:08,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 736 events. 41/736 cut-off events. For 331/344 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3543 event pairs, 14 based on Foata normal form. 2/718 useless extension candidates. Maximal degree in co-relation 1131. Up to 118 conditions per place. [2024-11-16 23:39:08,809 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 0 selfloop transitions, 0 changer transitions 190/190 dead transitions. [2024-11-16 23:39:08,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 190 transitions, 615 flow [2024-11-16 23:39:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:39:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:39:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1072 transitions. [2024-11-16 23:39:08,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8310077519379845 [2024-11-16 23:39:08,813 INFO L175 Difference]: Start difference. First operand has 208 places, 190 transitions, 534 flow. Second operand 6 states and 1072 transitions. [2024-11-16 23:39:08,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 190 transitions, 615 flow [2024-11-16 23:39:08,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 190 transitions, 564 flow, removed 6 selfloop flow, removed 11 redundant places. [2024-11-16 23:39:08,817 INFO L231 Difference]: Finished difference. Result has 198 places, 0 transitions, 0 flow [2024-11-16 23:39:08,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=198, PETRI_TRANSITIONS=0} [2024-11-16 23:39:08,818 INFO L277 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-16 23:39:08,818 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 0 transitions, 0 flow [2024-11-16 23:39:08,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 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 23:39:08,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2024-11-16 23:39:08,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-16 23:39:08,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-16 23:39:08,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-16 23:39:08,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-16 23:39:08,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-16 23:39:08,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-16 23:39:08,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-11-16 23:39:08,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 22 remaining) [2024-11-16 23:39:08,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2024-11-16 23:39:08,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-11-16 23:39:08,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-11-16 23:39:08,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-16 23:39:08,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-16 23:39:08,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-16 23:39:08,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-16 23:39:08,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-16 23:39:08,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-16 23:39:08,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-16 23:39:08,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-16 23:39:08,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-16 23:39:08,830 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-16 23:39:08,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:39:08,831 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:39:08,836 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:39:08,837 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:39:08,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:08 BasicIcfg [2024-11-16 23:39:08,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:39:08,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:39:08,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:39:08,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:39:08,844 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 23:39:08,845 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:39:08,848 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-16 23:39:08,849 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:39:08,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-16 23:39:08,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:39:08,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:39:08,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:39:08,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:39:08,931 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:39:08,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:39:08,932 INFO L158 Benchmark]: Toolchain (without parser) took 21696.36ms. Allocated memory was 174.1MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 104.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-16 23:39:08,932 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:08,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.22ms. Allocated memory is still 174.1MB. Free memory was 104.5MB in the beginning and 136.6MB in the end (delta: -32.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 23:39:08,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.04ms. Allocated memory is still 174.1MB. Free memory was 136.5MB in the beginning and 133.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:39:08,932 INFO L158 Benchmark]: Boogie Preprocessor took 24.87ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 132.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:39:08,933 INFO L158 Benchmark]: IcfgBuilder took 650.04ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 106.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-16 23:39:08,933 INFO L158 Benchmark]: TraceAbstraction took 20249.66ms. Allocated memory was 174.1MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 105.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-16 23:39:08,933 INFO L158 Benchmark]: Witness Printer took 88.80ms. Allocated memory is still 5.7GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:39:08,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.22ms. Allocated memory is still 174.1MB. Free memory was 104.5MB in the beginning and 136.6MB in the end (delta: -32.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.04ms. Allocated memory is still 174.1MB. Free memory was 136.5MB in the beginning and 133.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.87ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 132.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 650.04ms. Allocated memory is still 174.1MB. Free memory was 132.4MB in the beginning and 106.5MB in the end (delta: 25.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 20249.66ms. Allocated memory was 174.1MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 105.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. * Witness Printer took 88.80ms. Allocated memory is still 5.7GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 5.2MB). 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: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 286 locations, 22 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: 20.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 909 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 643 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1458 IncrementalHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 50 mSDtfsCounter, 1458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, InterpolantAutomatonStates: 43, 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, 2.0s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 2975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 23:39:08,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE