./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c -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 f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:58:22,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:58:22,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:58:22,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:58:22,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:58:22,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:58:22,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:58:22,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:58:22,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:58:22,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:58:22,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:58:22,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:58:22,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:58:22,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:58:22,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:58:22,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:58:22,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:58:22,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:58:22,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:58:22,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:58:22,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:58:22,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:58:22,942 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:58:22,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:58:22,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:58:22,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:58:22,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:58:22,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:58:22,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:58:22,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:58:22,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:58:22,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:22,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:58:22,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:58:22,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:58:22,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:58:22,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 [2024-11-09 06:58:23,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:58:23,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:58:23,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:58:23,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:58:23,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:58:23,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2024-11-09 06:58:24,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:24,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:24,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2024-11-09 06:58:24,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485001f59/bf134d06ad9e42c0b28279a7cce53a07/FLAGc83c1c916 [2024-11-09 06:58:24,952 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485001f59/bf134d06ad9e42c0b28279a7cce53a07 [2024-11-09 06:58:24,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:24,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:24,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:24,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:24,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:24,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:24" (1/1) ... [2024-11-09 06:58:24,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7116ccd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:24, skipping insertion in model container [2024-11-09 06:58:24,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:24" (1/1) ... [2024-11-09 06:58:24,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:25,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:25,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:25,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:25,235 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:25,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25 WrapperNode [2024-11-09 06:58:25,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:25,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:25,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:25,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:25,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,267 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-09 06:58:25,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:25,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:25,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:25,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:25,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:25,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:25,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:25,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:25,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (1/1) ... [2024-11-09 06:58:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:58:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:58:25,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:25,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:58:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:58:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:58:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:58:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:58:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:58:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-09 06:58:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-09 06:58:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:25,361 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:58:25,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:25,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:25,794 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:25,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:25,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:25,810 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:58:25,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:25 BoogieIcfgContainer [2024-11-09 06:58:25,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:25,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:25,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:25,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:25,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:24" (1/3) ... [2024-11-09 06:58:25,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653686eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:25, skipping insertion in model container [2024-11-09 06:58:25,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:25" (2/3) ... [2024-11-09 06:58:25,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653686eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:25, skipping insertion in model container [2024-11-09 06:58:25,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:25" (3/3) ... [2024-11-09 06:58:25,817 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2024-11-09 06:58:25,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:25,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2024-11-09 06:58:25,830 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:25,908 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-09 06:58:25,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 259 transitions, 546 flow [2024-11-09 06:58:26,011 INFO L124 PetriNetUnfolderBase]: 14/255 cut-off events. [2024-11-09 06:58:26,014 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:58:26,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 255 events. 14/255 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 416 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2024-11-09 06:58:26,027 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 259 transitions, 546 flow [2024-11-09 06:58:26,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 235 transitions, 494 flow [2024-11-09 06:58:26,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:58:26,047 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;@3da46d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:58:26,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-11-09 06:58:26,051 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:58:26,052 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-09 06:58:26,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:58:26,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:26,053 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] [2024-11-09 06:58:26,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:26,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:26,057 INFO L85 PathProgramCache]: Analyzing trace with hash 380133642, now seen corresponding path program 1 times [2024-11-09 06:58:26,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:26,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408525583] [2024-11-09 06:58:26,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:26,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:26,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408525583] [2024-11-09 06:58:26,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408525583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:26,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:26,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:26,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279142778] [2024-11-09 06:58:26,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:26,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:26,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:26,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:26,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 259 [2024-11-09 06:58:26,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:26,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 259 [2024-11-09 06:58:26,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:26,365 INFO L124 PetriNetUnfolderBase]: 22/310 cut-off events. [2024-11-09 06:58:26,366 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-09 06:58:26,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 310 events. 22/310 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 986 event pairs, 12 based on Foata normal form. 37/285 useless extension candidates. Maximal degree in co-relation 294. Up to 46 conditions per place. [2024-11-09 06:58:26,372 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 18 selfloop transitions, 2 changer transitions 1/229 dead transitions. [2024-11-09 06:58:26,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 229 transitions, 522 flow [2024-11-09 06:58:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2024-11-09 06:58:26,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9214929214929215 [2024-11-09 06:58:26,394 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 494 flow. Second operand 3 states and 716 transitions. [2024-11-09 06:58:26,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 229 transitions, 522 flow [2024-11-09 06:58:26,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 229 transitions, 506 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-09 06:58:26,407 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 468 flow [2024-11-09 06:58:26,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2024-11-09 06:58:26,414 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -7 predicate places. [2024-11-09 06:58:26,415 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 468 flow [2024-11-09 06:58:26,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:26,416 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] [2024-11-09 06:58:26,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:58:26,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:26,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:26,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1582249989, now seen corresponding path program 1 times [2024-11-09 06:58:26,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:26,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543937287] [2024-11-09 06:58:26,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:26,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:26,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:26,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543937287] [2024-11-09 06:58:26,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543937287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:26,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:26,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:26,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818434852] [2024-11-09 06:58:26,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:26,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:26,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:26,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:26,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:26,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2024-11-09 06:58:26,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:26,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2024-11-09 06:58:26,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:26,594 INFO L124 PetriNetUnfolderBase]: 22/308 cut-off events. [2024-11-09 06:58:26,594 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-09 06:58:26,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 308 events. 22/308 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 918 event pairs, 12 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 341. Up to 45 conditions per place. [2024-11-09 06:58:26,602 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 17 selfloop transitions, 2 changer transitions 0/227 dead transitions. [2024-11-09 06:58:26,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 227 transitions, 504 flow [2024-11-09 06:58:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:26,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-09 06:58:26,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2024-11-09 06:58:26,606 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 468 flow. Second operand 3 states and 713 transitions. [2024-11-09 06:58:26,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 227 transitions, 504 flow [2024-11-09 06:58:26,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 227 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:26,611 INFO L231 Difference]: Finished difference. Result has 227 places, 227 transitions, 466 flow [2024-11-09 06:58:26,614 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=227, PETRI_TRANSITIONS=227} [2024-11-09 06:58:26,615 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -9 predicate places. [2024-11-09 06:58:26,615 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 227 transitions, 466 flow [2024-11-09 06:58:26,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:26,615 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] [2024-11-09 06:58:26,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:58:26,616 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:26,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1361925789, now seen corresponding path program 1 times [2024-11-09 06:58:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:26,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506907662] [2024-11-09 06:58:26,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:26,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:26,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:26,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506907662] [2024-11-09 06:58:26,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506907662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:26,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:26,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:26,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367598160] [2024-11-09 06:58:26,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:26,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:26,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:26,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:26,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:26,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 259 [2024-11-09 06:58:26,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 227 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:26,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 259 [2024-11-09 06:58:26,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:26,842 INFO L124 PetriNetUnfolderBase]: 22/289 cut-off events. [2024-11-09 06:58:26,842 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-09 06:58:26,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 289 events. 22/289 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 773 event pairs, 12 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 312. Up to 46 conditions per place. [2024-11-09 06:58:26,846 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 18 selfloop transitions, 2 changer transitions 0/226 dead transitions. [2024-11-09 06:58:26,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 226 transitions, 504 flow [2024-11-09 06:58:26,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 711 transitions. [2024-11-09 06:58:26,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.915057915057915 [2024-11-09 06:58:26,849 INFO L175 Difference]: Start difference. First operand has 227 places, 227 transitions, 466 flow. Second operand 3 states and 711 transitions. [2024-11-09 06:58:26,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 226 transitions, 504 flow [2024-11-09 06:58:26,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 226 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:26,855 INFO L231 Difference]: Finished difference. Result has 226 places, 226 transitions, 464 flow [2024-11-09 06:58:26,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=226, PETRI_TRANSITIONS=226} [2024-11-09 06:58:26,856 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -10 predicate places. [2024-11-09 06:58:26,856 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 226 transitions, 464 flow [2024-11-09 06:58:26,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:26,857 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:26,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:58:26,857 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:26,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:26,858 INFO L85 PathProgramCache]: Analyzing trace with hash 867166823, now seen corresponding path program 1 times [2024-11-09 06:58:26,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:26,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392693519] [2024-11-09 06:58:26,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:26,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:26,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:26,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392693519] [2024-11-09 06:58:26,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392693519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:26,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:26,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:26,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239871572] [2024-11-09 06:58:26,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:26,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:26,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:26,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:26,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:26,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2024-11-09 06:58:26,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 226 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:26,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:26,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2024-11-09 06:58:26,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:26,991 INFO L124 PetriNetUnfolderBase]: 22/270 cut-off events. [2024-11-09 06:58:26,991 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-09 06:58:26,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 270 events. 22/270 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 619 event pairs, 12 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 281. Up to 45 conditions per place. [2024-11-09 06:58:26,994 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 17 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-11-09 06:58:26,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 225 transitions, 500 flow [2024-11-09 06:58:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-09 06:58:26,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2024-11-09 06:58:26,996 INFO L175 Difference]: Start difference. First operand has 226 places, 226 transitions, 464 flow. Second operand 3 states and 713 transitions. [2024-11-09 06:58:26,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 225 transitions, 500 flow [2024-11-09 06:58:26,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 225 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:26,999 INFO L231 Difference]: Finished difference. Result has 225 places, 225 transitions, 462 flow [2024-11-09 06:58:26,999 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=225, PETRI_TRANSITIONS=225} [2024-11-09 06:58:27,000 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -11 predicate places. [2024-11-09 06:58:27,001 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 225 transitions, 462 flow [2024-11-09 06:58:27,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,002 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:27,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:58:27,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2011416729, now seen corresponding path program 1 times [2024-11-09 06:58:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680044172] [2024-11-09 06:58:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680044172] [2024-11-09 06:58:27,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680044172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:27,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557076529] [2024-11-09 06:58:27,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:27,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:27,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:27,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2024-11-09 06:58:27,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 225 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2024-11-09 06:58:27,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,171 INFO L124 PetriNetUnfolderBase]: 102/982 cut-off events. [2024-11-09 06:58:27,171 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-09 06:58:27,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 982 events. 102/982 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6241 event pairs, 51 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 1096. Up to 144 conditions per place. [2024-11-09 06:58:27,182 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 15 selfloop transitions, 2 changer transitions 0/224 dead transitions. [2024-11-09 06:58:27,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 224 transitions, 494 flow [2024-11-09 06:58:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-09 06:58:27,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2024-11-09 06:58:27,184 INFO L175 Difference]: Start difference. First operand has 225 places, 225 transitions, 462 flow. Second operand 3 states and 717 transitions. [2024-11-09 06:58:27,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 224 transitions, 494 flow [2024-11-09 06:58:27,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 224 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:27,187 INFO L231 Difference]: Finished difference. Result has 224 places, 224 transitions, 460 flow [2024-11-09 06:58:27,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=460, PETRI_PLACES=224, PETRI_TRANSITIONS=224} [2024-11-09 06:58:27,189 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -12 predicate places. [2024-11-09 06:58:27,189 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 224 transitions, 460 flow [2024-11-09 06:58:27,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,190 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] [2024-11-09 06:58:27,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:58:27,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,191 INFO L85 PathProgramCache]: Analyzing trace with hash -636728045, now seen corresponding path program 1 times [2024-11-09 06:58:27,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301757830] [2024-11-09 06:58:27,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301757830] [2024-11-09 06:58:27,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301757830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:27,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596190141] [2024-11-09 06:58:27,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:27,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 259 [2024-11-09 06:58:27,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 224 transitions, 460 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 259 [2024-11-09 06:58:27,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,362 INFO L124 PetriNetUnfolderBase]: 31/300 cut-off events. [2024-11-09 06:58:27,363 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:58:27,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 300 events. 31/300 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1000 event pairs, 18 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 340. Up to 60 conditions per place. [2024-11-09 06:58:27,365 INFO L140 encePairwiseOnDemand]: 250/259 looper letters, 23 selfloop transitions, 3 changer transitions 0/222 dead transitions. [2024-11-09 06:58:27,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 222 transitions, 511 flow [2024-11-09 06:58:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 704 transitions. [2024-11-09 06:58:27,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9060489060489061 [2024-11-09 06:58:27,366 INFO L175 Difference]: Start difference. First operand has 224 places, 224 transitions, 460 flow. Second operand 3 states and 704 transitions. [2024-11-09 06:58:27,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 222 transitions, 511 flow [2024-11-09 06:58:27,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 222 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:27,369 INFO L231 Difference]: Finished difference. Result has 219 places, 219 transitions, 457 flow [2024-11-09 06:58:27,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=219, PETRI_TRANSITIONS=219} [2024-11-09 06:58:27,371 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -17 predicate places. [2024-11-09 06:58:27,371 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 219 transitions, 457 flow [2024-11-09 06:58:27,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,372 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] [2024-11-09 06:58:27,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:58:27,372 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2010283632, now seen corresponding path program 1 times [2024-11-09 06:58:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307650655] [2024-11-09 06:58:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307650655] [2024-11-09 06:58:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307650655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:27,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268547395] [2024-11-09 06:58:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:27,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:27,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 259 [2024-11-09 06:58:27,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 219 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 259 [2024-11-09 06:58:27,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,478 INFO L124 PetriNetUnfolderBase]: 31/296 cut-off events. [2024-11-09 06:58:27,478 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-09 06:58:27,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 296 events. 31/296 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 955 event pairs, 18 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 322. Up to 58 conditions per place. [2024-11-09 06:58:27,482 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 21 selfloop transitions, 3 changer transitions 0/218 dead transitions. [2024-11-09 06:58:27,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 218 transitions, 506 flow [2024-11-09 06:58:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2024-11-09 06:58:27,484 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9137709137709138 [2024-11-09 06:58:27,484 INFO L175 Difference]: Start difference. First operand has 219 places, 219 transitions, 457 flow. Second operand 3 states and 710 transitions. [2024-11-09 06:58:27,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 218 transitions, 506 flow [2024-11-09 06:58:27,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:27,487 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 457 flow [2024-11-09 06:58:27,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=457, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2024-11-09 06:58:27,488 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -20 predicate places. [2024-11-09 06:58:27,489 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 457 flow [2024-11-09 06:58:27,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,490 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] [2024-11-09 06:58:27,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:58:27,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1525805944, now seen corresponding path program 1 times [2024-11-09 06:58:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584558558] [2024-11-09 06:58:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584558558] [2024-11-09 06:58:27,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584558558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:27,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424920059] [2024-11-09 06:58:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:27,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:27,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 259 [2024-11-09 06:58:27,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 259 [2024-11-09 06:58:27,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,610 INFO L124 PetriNetUnfolderBase]: 39/409 cut-off events. [2024-11-09 06:58:27,610 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-09 06:58:27,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 409 events. 39/409 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1619 event pairs, 15 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 444. Up to 64 conditions per place. [2024-11-09 06:58:27,615 INFO L140 encePairwiseOnDemand]: 249/259 looper letters, 26 selfloop transitions, 4 changer transitions 0/217 dead transitions. [2024-11-09 06:58:27,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 217 transitions, 527 flow [2024-11-09 06:58:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2024-11-09 06:58:27,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9111969111969112 [2024-11-09 06:58:27,616 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 457 flow. Second operand 3 states and 708 transitions. [2024-11-09 06:58:27,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 217 transitions, 527 flow [2024-11-09 06:58:27,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 217 transitions, 524 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:27,620 INFO L231 Difference]: Finished difference. Result has 212 places, 211 transitions, 462 flow [2024-11-09 06:58:27,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=212, PETRI_TRANSITIONS=211} [2024-11-09 06:58:27,622 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -24 predicate places. [2024-11-09 06:58:27,622 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 211 transitions, 462 flow [2024-11-09 06:58:27,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,622 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,622 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] [2024-11-09 06:58:27,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:58:27,623 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1715679788, now seen corresponding path program 1 times [2024-11-09 06:58:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509787437] [2024-11-09 06:58:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509787437] [2024-11-09 06:58:27,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509787437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:58:27,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380139029] [2024-11-09 06:58:27,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:58:27,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:58:27,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:58:27,722 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2024-11-09 06:58:27,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 211 transitions, 462 flow. Second operand has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2024-11-09 06:58:27,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,783 INFO L124 PetriNetUnfolderBase]: 12/347 cut-off events. [2024-11-09 06:58:27,783 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:58:27,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 347 events. 12/347 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1119 event pairs, 0 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 291. Up to 26 conditions per place. [2024-11-09 06:58:27,785 INFO L140 encePairwiseOnDemand]: 253/259 looper letters, 19 selfloop transitions, 5 changer transitions 0/216 dead transitions. [2024-11-09 06:58:27,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 216 transitions, 520 flow [2024-11-09 06:58:27,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:58:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 06:58:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1185 transitions. [2024-11-09 06:58:27,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.915057915057915 [2024-11-09 06:58:27,787 INFO L175 Difference]: Start difference. First operand has 212 places, 211 transitions, 462 flow. Second operand 5 states and 1185 transitions. [2024-11-09 06:58:27,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 216 transitions, 520 flow [2024-11-09 06:58:27,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 216 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:27,791 INFO L231 Difference]: Finished difference. Result has 219 places, 215 transitions, 496 flow [2024-11-09 06:58:27,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=496, PETRI_PLACES=219, PETRI_TRANSITIONS=215} [2024-11-09 06:58:27,793 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -17 predicate places. [2024-11-09 06:58:27,793 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 215 transitions, 496 flow [2024-11-09 06:58:27,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,794 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] [2024-11-09 06:58:27,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:58:27,794 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1660716693, now seen corresponding path program 1 times [2024-11-09 06:58:27,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535331106] [2024-11-09 06:58:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:27,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535331106] [2024-11-09 06:58:27,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535331106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:27,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:27,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419813067] [2024-11-09 06:58:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:27,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:27,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:27,861 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 259 [2024-11-09 06:58:27,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 215 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:27,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 259 [2024-11-09 06:58:27,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:27,933 INFO L124 PetriNetUnfolderBase]: 58/561 cut-off events. [2024-11-09 06:58:27,933 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-09 06:58:27,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 561 events. 58/561 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2829 event pairs, 5 based on Foata normal form. 1/517 useless extension candidates. Maximal degree in co-relation 497. Up to 92 conditions per place. [2024-11-09 06:58:27,938 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 22 selfloop transitions, 3 changer transitions 10/218 dead transitions. [2024-11-09 06:58:27,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 218 transitions, 563 flow [2024-11-09 06:58:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2024-11-09 06:58:27,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9176319176319176 [2024-11-09 06:58:27,940 INFO L175 Difference]: Start difference. First operand has 219 places, 215 transitions, 496 flow. Second operand 3 states and 713 transitions. [2024-11-09 06:58:27,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 218 transitions, 563 flow [2024-11-09 06:58:27,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 218 transitions, 563 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:27,943 INFO L231 Difference]: Finished difference. Result has 217 places, 201 transitions, 478 flow [2024-11-09 06:58:27,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=217, PETRI_TRANSITIONS=201} [2024-11-09 06:58:27,944 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -19 predicate places. [2024-11-09 06:58:27,944 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 201 transitions, 478 flow [2024-11-09 06:58:27,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:27,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:27,945 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] [2024-11-09 06:58:27,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:58:27,945 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:27,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:27,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1694666292, now seen corresponding path program 1 times [2024-11-09 06:58:27,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:27,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603487601] [2024-11-09 06:58:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:27,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:28,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603487601] [2024-11-09 06:58:28,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603487601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:28,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:28,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:28,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168633039] [2024-11-09 06:58:28,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:28,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:28,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:28,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:28,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 259 [2024-11-09 06:58:28,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 201 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:28,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 259 [2024-11-09 06:58:28,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:28,366 INFO L124 PetriNetUnfolderBase]: 746/4032 cut-off events. [2024-11-09 06:58:28,367 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-09 06:58:28,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5626 conditions, 4032 events. 746/4032 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 40391 event pairs, 276 based on Foata normal form. 0/3540 useless extension candidates. Maximal degree in co-relation 4163. Up to 1027 conditions per place. [2024-11-09 06:58:28,401 INFO L140 encePairwiseOnDemand]: 251/259 looper letters, 19 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2024-11-09 06:58:28,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 204 transitions, 533 flow [2024-11-09 06:58:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:28,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 720 transitions. [2024-11-09 06:58:28,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266409266409267 [2024-11-09 06:58:28,403 INFO L175 Difference]: Start difference. First operand has 217 places, 201 transitions, 478 flow. Second operand 3 states and 720 transitions. [2024-11-09 06:58:28,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 204 transitions, 533 flow [2024-11-09 06:58:28,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 204 transitions, 530 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:58:28,409 INFO L231 Difference]: Finished difference. Result has 205 places, 201 transitions, 495 flow [2024-11-09 06:58:28,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=205, PETRI_TRANSITIONS=201} [2024-11-09 06:58:28,410 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -31 predicate places. [2024-11-09 06:58:28,410 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 201 transitions, 495 flow [2024-11-09 06:58:28,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:28,411 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:28,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:58:28,411 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:28,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:28,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1911111425, now seen corresponding path program 1 times [2024-11-09 06:58:28,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:28,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229179628] [2024-11-09 06:58:28,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:28,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:28,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229179628] [2024-11-09 06:58:28,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229179628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:28,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:28,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:28,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591221008] [2024-11-09 06:58:28,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:28,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:28,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:28,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:28,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:28,473 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2024-11-09 06:58:28,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:28,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2024-11-09 06:58:28,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:28,578 INFO L124 PetriNetUnfolderBase]: 203/1313 cut-off events. [2024-11-09 06:58:28,578 INFO L125 PetriNetUnfolderBase]: For 23/35 co-relation queries the response was YES. [2024-11-09 06:58:28,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1937 conditions, 1313 events. 203/1313 cut-off events. For 23/35 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 9893 event pairs, 64 based on Foata normal form. 0/1175 useless extension candidates. Maximal degree in co-relation 1269. Up to 174 conditions per place. [2024-11-09 06:58:28,590 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 19 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2024-11-09 06:58:28,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 203 transitions, 544 flow [2024-11-09 06:58:28,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-09 06:58:28,592 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2024-11-09 06:58:28,593 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 495 flow. Second operand 3 states and 717 transitions. [2024-11-09 06:58:28,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 203 transitions, 544 flow [2024-11-09 06:58:28,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 544 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:58:28,596 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 497 flow [2024-11-09 06:58:28,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2024-11-09 06:58:28,598 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -30 predicate places. [2024-11-09 06:58:28,598 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 497 flow [2024-11-09 06:58:28,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:28,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:28,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:58:28,598 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:28,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:28,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1146972340, now seen corresponding path program 1 times [2024-11-09 06:58:28,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:28,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489972351] [2024-11-09 06:58:28,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:28,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:28,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:28,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489972351] [2024-11-09 06:58:28,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489972351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:28,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:28,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699391479] [2024-11-09 06:58:28,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:28,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:28,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:28,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:28,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2024-11-09 06:58:28,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:28,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2024-11-09 06:58:28,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:28,816 INFO L124 PetriNetUnfolderBase]: 314/1609 cut-off events. [2024-11-09 06:58:28,816 INFO L125 PetriNetUnfolderBase]: For 88/96 co-relation queries the response was YES. [2024-11-09 06:58:28,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2542 conditions, 1609 events. 314/1609 cut-off events. For 88/96 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 12797 event pairs, 121 based on Foata normal form. 0/1475 useless extension candidates. Maximal degree in co-relation 2449. Up to 298 conditions per place. [2024-11-09 06:58:28,830 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 18 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-11-09 06:58:28,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 202 transitions, 544 flow [2024-11-09 06:58:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2024-11-09 06:58:28,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253539253539254 [2024-11-09 06:58:28,831 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 497 flow. Second operand 3 states and 719 transitions. [2024-11-09 06:58:28,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 202 transitions, 544 flow [2024-11-09 06:58:28,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 202 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:28,834 INFO L231 Difference]: Finished difference. Result has 205 places, 199 transitions, 495 flow [2024-11-09 06:58:28,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=205, PETRI_TRANSITIONS=199} [2024-11-09 06:58:28,835 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -31 predicate places. [2024-11-09 06:58:28,835 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 199 transitions, 495 flow [2024-11-09 06:58:28,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:28,836 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] [2024-11-09 06:58:28,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:58:28,836 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:28,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash -126275455, now seen corresponding path program 1 times [2024-11-09 06:58:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:28,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734714089] [2024-11-09 06:58:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:28,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:28,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734714089] [2024-11-09 06:58:28,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734714089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:28,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:28,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:28,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33956561] [2024-11-09 06:58:28,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:28,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:28,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:28,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:28,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:28,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 259 [2024-11-09 06:58:28,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 199 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:28,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:28,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 259 [2024-11-09 06:58:28,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:29,030 INFO L124 PetriNetUnfolderBase]: 228/1269 cut-off events. [2024-11-09 06:58:29,030 INFO L125 PetriNetUnfolderBase]: For 95/98 co-relation queries the response was YES. [2024-11-09 06:58:29,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1987 conditions, 1269 events. 228/1269 cut-off events. For 95/98 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 9034 event pairs, 80 based on Foata normal form. 0/1172 useless extension candidates. Maximal degree in co-relation 1803. Up to 228 conditions per place. [2024-11-09 06:58:29,042 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 20 selfloop transitions, 2 changer transitions 0/201 dead transitions. [2024-11-09 06:58:29,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 201 transitions, 546 flow [2024-11-09 06:58:29,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2024-11-09 06:58:29,044 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9227799227799228 [2024-11-09 06:58:29,044 INFO L175 Difference]: Start difference. First operand has 205 places, 199 transitions, 495 flow. Second operand 3 states and 717 transitions. [2024-11-09 06:58:29,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 201 transitions, 546 flow [2024-11-09 06:58:29,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 201 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:29,047 INFO L231 Difference]: Finished difference. Result has 204 places, 198 transitions, 493 flow [2024-11-09 06:58:29,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=204, PETRI_TRANSITIONS=198} [2024-11-09 06:58:29,048 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -32 predicate places. [2024-11-09 06:58:29,048 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 198 transitions, 493 flow [2024-11-09 06:58:29,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.33333333333334) internal successors, (706), 3 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:29,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:58:29,048 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] [2024-11-09 06:58:29,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:58:29,049 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2024-11-09 06:58:29,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:58:29,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1685758376, now seen corresponding path program 1 times [2024-11-09 06:58:29,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:58:29,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322905652] [2024-11-09 06:58:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:58:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:58:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:58:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:58:29,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:58:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322905652] [2024-11-09 06:58:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322905652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:58:29,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:58:29,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:58:29,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211163754] [2024-11-09 06:58:29,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:58:29,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:58:29,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:58:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:58:29,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:58:29,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 259 [2024-11-09 06:58:29,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 198 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:29,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:58:29,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 259 [2024-11-09 06:58:29,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:58:29,197 INFO L124 PetriNetUnfolderBase]: 145/1013 cut-off events. [2024-11-09 06:58:29,197 INFO L125 PetriNetUnfolderBase]: For 75/82 co-relation queries the response was YES. [2024-11-09 06:58:29,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 1013 events. 145/1013 cut-off events. For 75/82 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6559 event pairs, 39 based on Foata normal form. 1/936 useless extension candidates. Maximal degree in co-relation 1332. Up to 128 conditions per place. [2024-11-09 06:58:29,204 INFO L140 encePairwiseOnDemand]: 256/259 looper letters, 0 selfloop transitions, 0 changer transitions 200/200 dead transitions. [2024-11-09 06:58:29,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 200 transitions, 540 flow [2024-11-09 06:58:29,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:58:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:58:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 719 transitions. [2024-11-09 06:58:29,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9253539253539254 [2024-11-09 06:58:29,206 INFO L175 Difference]: Start difference. First operand has 204 places, 198 transitions, 493 flow. Second operand 3 states and 719 transitions. [2024-11-09 06:58:29,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 200 transitions, 540 flow [2024-11-09 06:58:29,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 200 transitions, 536 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:58:29,208 INFO L231 Difference]: Finished difference. Result has 203 places, 0 transitions, 0 flow [2024-11-09 06:58:29,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=203, PETRI_TRANSITIONS=0} [2024-11-09 06:58:29,209 INFO L277 CegarLoopForPetriNet]: 236 programPoint places, -33 predicate places. [2024-11-09 06:58:29,209 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 0 transitions, 0 flow [2024-11-09 06:58:29,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2024-11-09 06:58:29,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2024-11-09 06:58:29,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2024-11-09 06:58:29,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2024-11-09 06:58:29,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2024-11-09 06:58:29,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2024-11-09 06:58:29,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2024-11-09 06:58:29,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2024-11-09 06:58:29,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2024-11-09 06:58:29,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2024-11-09 06:58:29,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2024-11-09 06:58:29,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:58:29,217 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:58:29,221 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:58:29,221 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:58:29,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:58:29 BasicIcfg [2024-11-09 06:58:29,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:58:29,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:58:29,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:58:29,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:58:29,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:25" (3/4) ... [2024-11-09 06:58:29,228 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:58:29,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 06:58:29,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 06:58:29,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-09 06:58:29,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-09 06:58:29,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 06:58:29,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:58:29,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 06:58:29,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:58:29,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:58:29,301 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:58:29,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:58:29,302 INFO L158 Benchmark]: Toolchain (without parser) took 4346.99ms. Allocated memory was 151.0MB in the beginning and 257.9MB in the end (delta: 107.0MB). Free memory was 79.7MB in the beginning and 151.8MB in the end (delta: -72.1MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,302 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 100.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:58:29,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.74ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 79.5MB in the beginning and 178.0MB in the end (delta: -98.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.89ms. Allocated memory is still 207.6MB. Free memory was 178.0MB in the beginning and 175.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,303 INFO L158 Benchmark]: Boogie Preprocessor took 21.05ms. Allocated memory is still 207.6MB. Free memory was 175.9MB in the beginning and 174.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,303 INFO L158 Benchmark]: RCFGBuilder took 521.07ms. Allocated memory is still 207.6MB. Free memory was 174.8MB in the beginning and 152.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,303 INFO L158 Benchmark]: TraceAbstraction took 3412.09ms. Allocated memory was 207.6MB in the beginning and 257.9MB in the end (delta: 50.3MB). Free memory was 151.7MB in the beginning and 158.1MB in the end (delta: -6.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,303 INFO L158 Benchmark]: Witness Printer took 76.21ms. Allocated memory is still 257.9MB. Free memory was 158.1MB in the beginning and 151.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:58:29,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 100.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.74ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 79.5MB in the beginning and 178.0MB in the end (delta: -98.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.89ms. Allocated memory is still 207.6MB. Free memory was 178.0MB in the beginning and 175.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.05ms. Allocated memory is still 207.6MB. Free memory was 175.9MB in the beginning and 174.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.07ms. Allocated memory is still 207.6MB. Free memory was 174.8MB in the beginning and 152.8MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3412.09ms. Allocated memory was 207.6MB in the beginning and 257.9MB in the end (delta: 50.3MB). Free memory was 151.7MB in the beginning and 158.1MB in the end (delta: -6.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 76.21ms. Allocated memory is still 257.9MB. Free memory was 158.1MB in the beginning and 151.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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 9 procedures, 342 locations, 59 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: 3.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 697 IncrementalHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 103 mSDtfsCounter, 697 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=12, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 955 NumberOfCodeBlocks, 955 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:58:29,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE