./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-3-extended.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 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:38:14,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:38:14,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:38:14,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:38:14,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:38:14,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:38:14,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:38:14,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:38:14,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:38:14,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:38:14,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:38:14,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:38:14,227 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:38:14,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:38:14,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:38:14,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:38:14,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:38:14,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:38:14,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:38:14,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:38:14,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:38:14,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:38:14,233 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:38:14,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:38:14,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:38:14,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:38:14,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:38:14,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:38:14,235 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:38:14,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:38:14,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:38:14,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:14,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:38:14,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:38:14,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:38:14,237 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:38:14,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:38:14,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:38:14,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:38:14,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:38:14,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:38:14,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cea87724a542982ff884c708bfc22195aa1904db80300e5b965108c3d86cb2f [2024-11-10 14:38:14,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:38:14,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:38:14,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:38:14,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:38:14,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:38:14,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-11-10 14:38:15,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:38:16,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:38:16,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2024-11-10 14:38:16,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05037b541/8d8b197277504143b49800f6397c065b/FLAGd48bfb23e [2024-11-10 14:38:16,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05037b541/8d8b197277504143b49800f6397c065b [2024-11-10 14:38:16,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:38:16,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:38:16,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:16,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:38:16,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:38:16,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b11f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16, skipping insertion in model container [2024-11-10 14:38:16,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:38:16,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:16,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:38:16,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:16,928 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:38:16,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16 WrapperNode [2024-11-10 14:38:16,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:16,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:16,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:38:16,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:38:16,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,971 INFO L138 Inliner]: procedures = 19, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-10 14:38:16,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:16,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:38:16,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:38:16,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:38:16,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:16,998 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:38:17,008 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:38:17,008 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:38:17,008 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:38:17,011 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (1/1) ... [2024-11-10 14:38:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:38:17,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:38:17,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:38:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:38:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:38:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:38:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:38:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:38:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:38:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:38:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:38:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:38:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:38:17,097 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:38:17,218 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:38:17,222 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:38:17,556 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:38:17,557 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:38:17,609 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:38:17,610 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:38:17,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17 BoogieIcfgContainer [2024-11-10 14:38:17,610 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:38:17,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:38:17,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:38:17,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:38:17,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:38:16" (1/3) ... [2024-11-10 14:38:17,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16efe582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:17, skipping insertion in model container [2024-11-10 14:38:17,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:16" (2/3) ... [2024-11-10 14:38:17,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16efe582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:17, skipping insertion in model container [2024-11-10 14:38:17,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17" (3/3) ... [2024-11-10 14:38:17,621 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2024-11-10 14:38:17,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:38:17,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-10 14:38:17,641 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:38:17,735 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:38:17,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 222 transitions, 465 flow [2024-11-10 14:38:17,868 INFO L124 PetriNetUnfolderBase]: 16/219 cut-off events. [2024-11-10 14:38:17,868 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:38:17,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 219 events. 16/219 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 480 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2024-11-10 14:38:17,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 222 transitions, 465 flow [2024-11-10 14:38:17,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 202 transitions, 419 flow [2024-11-10 14:38:17,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:38:17,911 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;@77aec5f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:38:17,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-11-10 14:38:17,921 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:38:17,922 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-10 14:38:17,922 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:38:17,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:17,923 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] [2024-11-10 14:38:17,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:17,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:17,930 INFO L85 PathProgramCache]: Analyzing trace with hash -655331519, now seen corresponding path program 1 times [2024-11-10 14:38:17,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:17,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782673289] [2024-11-10 14:38:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:17,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:18,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782673289] [2024-11-10 14:38:18,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782673289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513650331] [2024-11-10 14:38:18,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:18,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 202 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:18,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:18,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,459 INFO L124 PetriNetUnfolderBase]: 148/774 cut-off events. [2024-11-10 14:38:18,459 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-10 14:38:18,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 774 events. 148/774 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4291 event pairs, 55 based on Foata normal form. 53/675 useless extension candidates. Maximal degree in co-relation 878. Up to 164 conditions per place. [2024-11-10 14:38:18,476 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-11-10 14:38:18,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 198 transitions, 451 flow [2024-11-10 14:38:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2024-11-10 14:38:18,493 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-11-10 14:38:18,495 INFO L175 Difference]: Start difference. First operand has 197 places, 202 transitions, 419 flow. Second operand 3 states and 606 transitions. [2024-11-10 14:38:18,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 198 transitions, 451 flow [2024-11-10 14:38:18,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 198 transitions, 442 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:38:18,504 INFO L231 Difference]: Finished difference. Result has 193 places, 198 transitions, 406 flow [2024-11-10 14:38:18,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=191, 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=406, PETRI_PLACES=193, PETRI_TRANSITIONS=198} [2024-11-10 14:38:18,513 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -4 predicate places. [2024-11-10 14:38:18,514 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 198 transitions, 406 flow [2024-11-10 14:38:18,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:18,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,515 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] [2024-11-10 14:38:18,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:38:18,517 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:18,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,518 INFO L85 PathProgramCache]: Analyzing trace with hash 727267337, now seen corresponding path program 1 times [2024-11-10 14:38:18,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279740178] [2024-11-10 14:38:18,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279740178] [2024-11-10 14:38:18,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279740178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198222208] [2024-11-10 14:38:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:18,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:18,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:18,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:18,779 INFO L124 PetriNetUnfolderBase]: 167/812 cut-off events. [2024-11-10 14:38:18,779 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-10 14:38:18,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 812 events. 167/812 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4908 event pairs, 83 based on Foata normal form. 0/652 useless extension candidates. Maximal degree in co-relation 1033. Up to 204 conditions per place. [2024-11-10 14:38:18,789 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2024-11-10 14:38:18,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 197 transitions, 444 flow [2024-11-10 14:38:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2024-11-10 14:38:18,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2024-11-10 14:38:18,793 INFO L175 Difference]: Start difference. First operand has 193 places, 198 transitions, 406 flow. Second operand 3 states and 603 transitions. [2024-11-10 14:38:18,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 197 transitions, 444 flow [2024-11-10 14:38:18,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 197 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:18,798 INFO L231 Difference]: Finished difference. Result has 192 places, 197 transitions, 404 flow [2024-11-10 14:38:18,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=192, PETRI_TRANSITIONS=197} [2024-11-10 14:38:18,799 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -5 predicate places. [2024-11-10 14:38:18,799 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 197 transitions, 404 flow [2024-11-10 14:38:18,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:18,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:18,800 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] [2024-11-10 14:38:18,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:38:18,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:18,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:18,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1185788095, now seen corresponding path program 1 times [2024-11-10 14:38:18,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:18,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763447455] [2024-11-10 14:38:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:18,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:18,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:18,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763447455] [2024-11-10 14:38:18,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763447455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:18,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:18,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:18,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039619318] [2024-11-10 14:38:18,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:18,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:18,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:18,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:18,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:18,926 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:18,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:18,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:18,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:18,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,029 INFO L124 PetriNetUnfolderBase]: 141/683 cut-off events. [2024-11-10 14:38:19,030 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-10 14:38:19,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 683 events. 141/683 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3778 event pairs, 67 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 844. Up to 173 conditions per place. [2024-11-10 14:38:19,040 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 18 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2024-11-10 14:38:19,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 196 transitions, 442 flow [2024-11-10 14:38:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2024-11-10 14:38:19,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2024-11-10 14:38:19,042 INFO L175 Difference]: Start difference. First operand has 192 places, 197 transitions, 404 flow. Second operand 3 states and 603 transitions. [2024-11-10 14:38:19,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 196 transitions, 442 flow [2024-11-10 14:38:19,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 196 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,048 INFO L231 Difference]: Finished difference. Result has 191 places, 196 transitions, 402 flow [2024-11-10 14:38:19,049 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=191, PETRI_TRANSITIONS=196} [2024-11-10 14:38:19,049 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -6 predicate places. [2024-11-10 14:38:19,050 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 196 transitions, 402 flow [2024-11-10 14:38:19,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:19,051 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:19,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:38:19,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:19,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:19,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1736024100, now seen corresponding path program 1 times [2024-11-10 14:38:19,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:19,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576805915] [2024-11-10 14:38:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:19,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:19,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:19,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576805915] [2024-11-10 14:38:19,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576805915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:19,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:19,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:19,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986484142] [2024-11-10 14:38:19,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:19,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:19,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:19,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:19,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:19,133 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:19,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:19,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:19,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,231 INFO L124 PetriNetUnfolderBase]: 112/655 cut-off events. [2024-11-10 14:38:19,231 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:38:19,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 655 events. 112/655 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3321 event pairs, 39 based on Foata normal form. 0/520 useless extension candidates. Maximal degree in co-relation 768. Up to 120 conditions per place. [2024-11-10 14:38:19,239 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-10 14:38:19,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 195 transitions, 436 flow [2024-11-10 14:38:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2024-11-10 14:38:19,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2024-11-10 14:38:19,243 INFO L175 Difference]: Start difference. First operand has 191 places, 196 transitions, 402 flow. Second operand 3 states and 607 transitions. [2024-11-10 14:38:19,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 195 transitions, 436 flow [2024-11-10 14:38:19,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 195 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,248 INFO L231 Difference]: Finished difference. Result has 190 places, 195 transitions, 400 flow [2024-11-10 14:38:19,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=190, PETRI_TRANSITIONS=195} [2024-11-10 14:38:19,249 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -7 predicate places. [2024-11-10 14:38:19,249 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 195 transitions, 400 flow [2024-11-10 14:38:19,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:19,250 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] [2024-11-10 14:38:19,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:38:19,250 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:19,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:19,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1936111856, now seen corresponding path program 1 times [2024-11-10 14:38:19,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:19,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950413509] [2024-11-10 14:38:19,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:19,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:19,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950413509] [2024-11-10 14:38:19,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950413509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:19,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:19,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:19,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645231447] [2024-11-10 14:38:19,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:19,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:19,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:19,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:19,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:19,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:19,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 195 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:19,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:19,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,417 INFO L124 PetriNetUnfolderBase]: 125/737 cut-off events. [2024-11-10 14:38:19,418 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 14:38:19,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 737 events. 125/737 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4447 event pairs, 53 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 869. Up to 142 conditions per place. [2024-11-10 14:38:19,426 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-11-10 14:38:19,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 194 transitions, 434 flow [2024-11-10 14:38:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2024-11-10 14:38:19,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2024-11-10 14:38:19,428 INFO L175 Difference]: Start difference. First operand has 190 places, 195 transitions, 400 flow. Second operand 3 states and 607 transitions. [2024-11-10 14:38:19,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 194 transitions, 434 flow [2024-11-10 14:38:19,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 194 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,432 INFO L231 Difference]: Finished difference. Result has 189 places, 194 transitions, 398 flow [2024-11-10 14:38:19,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=189, PETRI_TRANSITIONS=194} [2024-11-10 14:38:19,433 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -8 predicate places. [2024-11-10 14:38:19,433 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 194 transitions, 398 flow [2024-11-10 14:38:19,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,434 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:19,434 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:19,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:38:19,434 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:19,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:19,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1752951366, now seen corresponding path program 1 times [2024-11-10 14:38:19,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:19,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10299879] [2024-11-10 14:38:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:19,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10299879] [2024-11-10 14:38:19,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10299879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:19,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:19,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:19,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775263982] [2024-11-10 14:38:19,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:19,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:19,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:19,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:19,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:19,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:19,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:19,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:19,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,612 INFO L124 PetriNetUnfolderBase]: 111/656 cut-off events. [2024-11-10 14:38:19,612 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:38:19,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 656 events. 111/656 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3639 event pairs, 45 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 754. Up to 125 conditions per place. [2024-11-10 14:38:19,618 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-11-10 14:38:19,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 432 flow [2024-11-10 14:38:19,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 607 transitions. [2024-11-10 14:38:19,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2024-11-10 14:38:19,620 INFO L175 Difference]: Start difference. First operand has 189 places, 194 transitions, 398 flow. Second operand 3 states and 607 transitions. [2024-11-10 14:38:19,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 432 flow [2024-11-10 14:38:19,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,624 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 396 flow [2024-11-10 14:38:19,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2024-11-10 14:38:19,625 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-10 14:38:19,625 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 396 flow [2024-11-10 14:38:19,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:19,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:19,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:38:19,626 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:19,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:19,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1301885627, now seen corresponding path program 1 times [2024-11-10 14:38:19,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:19,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338149532] [2024-11-10 14:38:19,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:19,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:19,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338149532] [2024-11-10 14:38:19,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338149532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:19,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:19,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:19,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285557843] [2024-11-10 14:38:19,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:19,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:19,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:19,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:19,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:19,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-10 14:38:19,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:19,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-10 14:38:19,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:19,780 INFO L124 PetriNetUnfolderBase]: 148/907 cut-off events. [2024-11-10 14:38:19,780 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:38:19,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 907 events. 148/907 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5053 event pairs, 35 based on Foata normal form. 0/708 useless extension candidates. Maximal degree in co-relation 1039. Up to 109 conditions per place. [2024-11-10 14:38:19,791 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2024-11-10 14:38:19,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 199 transitions, 455 flow [2024-11-10 14:38:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:19,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2024-11-10 14:38:19,793 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2024-11-10 14:38:19,794 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 396 flow. Second operand 3 states and 623 transitions. [2024-11-10 14:38:19,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 199 transitions, 455 flow [2024-11-10 14:38:19,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 199 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:19,798 INFO L231 Difference]: Finished difference. Result has 188 places, 193 transitions, 400 flow [2024-11-10 14:38:19,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=188, PETRI_TRANSITIONS=193} [2024-11-10 14:38:19,799 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-10 14:38:19,799 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 193 transitions, 400 flow [2024-11-10 14:38:19,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:19,800 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] [2024-11-10 14:38:19,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:38:19,800 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:19,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash 920460118, now seen corresponding path program 1 times [2024-11-10 14:38:19,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147333115] [2024-11-10 14:38:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:19,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:19,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:19,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147333115] [2024-11-10 14:38:19,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147333115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:19,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:19,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370346459] [2024-11-10 14:38:19,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:19,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:19,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:19,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:19,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:19,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:19,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 193 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:19,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:19,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:19,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:20,007 INFO L124 PetriNetUnfolderBase]: 184/667 cut-off events. [2024-11-10 14:38:20,007 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-10 14:38:20,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 667 events. 184/667 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3455 event pairs, 15 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 867. Up to 183 conditions per place. [2024-11-10 14:38:20,014 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 25 selfloop transitions, 3 changer transitions 0/199 dead transitions. [2024-11-10 14:38:20,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 199 transitions, 473 flow [2024-11-10 14:38:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 613 transitions. [2024-11-10 14:38:20,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204204204204204 [2024-11-10 14:38:20,017 INFO L175 Difference]: Start difference. First operand has 188 places, 193 transitions, 400 flow. Second operand 3 states and 613 transitions. [2024-11-10 14:38:20,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 199 transitions, 473 flow [2024-11-10 14:38:20,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 199 transitions, 471 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:20,023 INFO L231 Difference]: Finished difference. Result has 187 places, 191 transitions, 405 flow [2024-11-10 14:38:20,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=187, PETRI_TRANSITIONS=191} [2024-11-10 14:38:20,025 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-10 14:38:20,025 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 191 transitions, 405 flow [2024-11-10 14:38:20,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,026 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:20,026 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:20,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:38:20,027 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:20,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:20,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1053997384, now seen corresponding path program 1 times [2024-11-10 14:38:20,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:20,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294266426] [2024-11-10 14:38:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:20,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:20,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294266426] [2024-11-10 14:38:20,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294266426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:20,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:20,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:20,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957994546] [2024-11-10 14:38:20,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:20,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:20,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:20,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:20,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:20,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-10 14:38:20,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 191 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:20,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-10 14:38:20,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:20,277 INFO L124 PetriNetUnfolderBase]: 221/1341 cut-off events. [2024-11-10 14:38:20,277 INFO L125 PetriNetUnfolderBase]: For 24/37 co-relation queries the response was YES. [2024-11-10 14:38:20,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 1341 events. 221/1341 cut-off events. For 24/37 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8934 event pairs, 44 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 1190. Up to 160 conditions per place. [2024-11-10 14:38:20,293 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2024-11-10 14:38:20,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 197 transitions, 464 flow [2024-11-10 14:38:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2024-11-10 14:38:20,297 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2024-11-10 14:38:20,297 INFO L175 Difference]: Start difference. First operand has 187 places, 191 transitions, 405 flow. Second operand 3 states and 623 transitions. [2024-11-10 14:38:20,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 197 transitions, 464 flow [2024-11-10 14:38:20,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 197 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:20,301 INFO L231 Difference]: Finished difference. Result has 188 places, 191 transitions, 410 flow [2024-11-10 14:38:20,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=188, PETRI_TRANSITIONS=191} [2024-11-10 14:38:20,303 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-10 14:38:20,303 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 191 transitions, 410 flow [2024-11-10 14:38:20,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:20,304 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] [2024-11-10 14:38:20,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:38:20,304 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:20,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash 870307045, now seen corresponding path program 1 times [2024-11-10 14:38:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:20,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914952746] [2024-11-10 14:38:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:20,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:20,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914952746] [2024-11-10 14:38:20,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914952746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:20,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:20,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:20,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276761286] [2024-11-10 14:38:20,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:20,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:20,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:20,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:20,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:20,390 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:20,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 191 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:20,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:20,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:20,563 INFO L124 PetriNetUnfolderBase]: 380/1485 cut-off events. [2024-11-10 14:38:20,564 INFO L125 PetriNetUnfolderBase]: For 54/61 co-relation queries the response was YES. [2024-11-10 14:38:20,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2062 conditions, 1485 events. 380/1485 cut-off events. For 54/61 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 9915 event pairs, 55 based on Foata normal form. 1/1197 useless extension candidates. Maximal degree in co-relation 1485. Up to 360 conditions per place. [2024-11-10 14:38:20,580 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 24 selfloop transitions, 3 changer transitions 0/196 dead transitions. [2024-11-10 14:38:20,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 196 transitions, 478 flow [2024-11-10 14:38:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2024-11-10 14:38:20,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918918918918919 [2024-11-10 14:38:20,582 INFO L175 Difference]: Start difference. First operand has 188 places, 191 transitions, 410 flow. Second operand 3 states and 612 transitions. [2024-11-10 14:38:20,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 196 transitions, 478 flow [2024-11-10 14:38:20,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 196 transitions, 476 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:20,588 INFO L231 Difference]: Finished difference. Result has 187 places, 189 transitions, 415 flow [2024-11-10 14:38:20,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=187, PETRI_TRANSITIONS=189} [2024-11-10 14:38:20,589 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -10 predicate places. [2024-11-10 14:38:20,590 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 189 transitions, 415 flow [2024-11-10 14:38:20,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:20,590 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] [2024-11-10 14:38:20,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:38:20,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:20,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:20,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1544883135, now seen corresponding path program 1 times [2024-11-10 14:38:20,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:20,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812722423] [2024-11-10 14:38:20,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:20,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:20,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:20,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812722423] [2024-11-10 14:38:20,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812722423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:20,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:20,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:20,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004536038] [2024-11-10 14:38:20,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:20,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:20,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:20,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:20,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:20,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 222 [2024-11-10 14:38:20,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 189 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:20,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 222 [2024-11-10 14:38:20,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:20,773 INFO L124 PetriNetUnfolderBase]: 178/957 cut-off events. [2024-11-10 14:38:20,773 INFO L125 PetriNetUnfolderBase]: For 40/48 co-relation queries the response was YES. [2024-11-10 14:38:20,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 957 events. 178/957 cut-off events. For 40/48 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 5908 event pairs, 30 based on Foata normal form. 1/797 useless extension candidates. Maximal degree in co-relation 913. Up to 144 conditions per place. [2024-11-10 14:38:20,781 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 20 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-10 14:38:20,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 195 transitions, 473 flow [2024-11-10 14:38:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2024-11-10 14:38:20,784 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354354354354354 [2024-11-10 14:38:20,784 INFO L175 Difference]: Start difference. First operand has 187 places, 189 transitions, 415 flow. Second operand 3 states and 623 transitions. [2024-11-10 14:38:20,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 195 transitions, 473 flow [2024-11-10 14:38:20,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 195 transitions, 470 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:20,788 INFO L231 Difference]: Finished difference. Result has 188 places, 189 transitions, 420 flow [2024-11-10 14:38:20,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=188, PETRI_TRANSITIONS=189} [2024-11-10 14:38:20,789 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-10 14:38:20,789 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 189 transitions, 420 flow [2024-11-10 14:38:20,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:20,790 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] [2024-11-10 14:38:20,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:38:20,791 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:20,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1797515748, now seen corresponding path program 1 times [2024-11-10 14:38:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:20,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852625353] [2024-11-10 14:38:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:20,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:20,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852625353] [2024-11-10 14:38:20,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852625353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:20,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:20,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:20,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695887998] [2024-11-10 14:38:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:20,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:20,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:20,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:20,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:20,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 189 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:20,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:20,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:20,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:21,002 INFO L124 PetriNetUnfolderBase]: 198/828 cut-off events. [2024-11-10 14:38:21,003 INFO L125 PetriNetUnfolderBase]: For 32/45 co-relation queries the response was YES. [2024-11-10 14:38:21,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 828 events. 198/828 cut-off events. For 32/45 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5004 event pairs, 70 based on Foata normal form. 1/712 useless extension candidates. Maximal degree in co-relation 1026. Up to 203 conditions per place. [2024-11-10 14:38:21,012 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-11-10 14:38:21,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 194 transitions, 485 flow [2024-11-10 14:38:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-10 14:38:21,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2024-11-10 14:38:21,014 INFO L175 Difference]: Start difference. First operand has 188 places, 189 transitions, 420 flow. Second operand 3 states and 614 transitions. [2024-11-10 14:38:21,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 194 transitions, 485 flow [2024-11-10 14:38:21,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 194 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:21,019 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 420 flow [2024-11-10 14:38:21,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2024-11-10 14:38:21,020 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -9 predicate places. [2024-11-10 14:38:21,021 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 420 flow [2024-11-10 14:38:21,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,022 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:21,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:21,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:38:21,022 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:21,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:21,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1255554712, now seen corresponding path program 1 times [2024-11-10 14:38:21,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:21,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678466359] [2024-11-10 14:38:21,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:21,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:21,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:21,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678466359] [2024-11-10 14:38:21,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678466359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:21,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:21,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:21,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113778977] [2024-11-10 14:38:21,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:21,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:21,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:21,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:21,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:21,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 222 [2024-11-10 14:38:21,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:21,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 222 [2024-11-10 14:38:21,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:21,212 INFO L124 PetriNetUnfolderBase]: 266/1035 cut-off events. [2024-11-10 14:38:21,213 INFO L125 PetriNetUnfolderBase]: For 68/77 co-relation queries the response was YES. [2024-11-10 14:38:21,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1502 conditions, 1035 events. 266/1035 cut-off events. For 68/77 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6732 event pairs, 30 based on Foata normal form. 1/916 useless extension candidates. Maximal degree in co-relation 1150. Up to 280 conditions per place. [2024-11-10 14:38:21,221 INFO L140 encePairwiseOnDemand]: 216/222 looper letters, 23 selfloop transitions, 3 changer transitions 0/192 dead transitions. [2024-11-10 14:38:21,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 192 transitions, 482 flow [2024-11-10 14:38:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-10 14:38:21,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9174174174174174 [2024-11-10 14:38:21,223 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 420 flow. Second operand 3 states and 611 transitions. [2024-11-10 14:38:21,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 192 transitions, 482 flow [2024-11-10 14:38:21,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 192 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:21,227 INFO L231 Difference]: Finished difference. Result has 186 places, 186 transitions, 423 flow [2024-11-10 14:38:21,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=423, PETRI_PLACES=186, PETRI_TRANSITIONS=186} [2024-11-10 14:38:21,228 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2024-11-10 14:38:21,228 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 186 transitions, 423 flow [2024-11-10 14:38:21,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:21,229 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] [2024-11-10 14:38:21,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:38:21,229 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:21,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:21,230 INFO L85 PathProgramCache]: Analyzing trace with hash 579200202, now seen corresponding path program 1 times [2024-11-10 14:38:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:21,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036162087] [2024-11-10 14:38:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:21,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:21,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036162087] [2024-11-10 14:38:21,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036162087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:21,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:21,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:21,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009280318] [2024-11-10 14:38:21,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:21,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:21,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:21,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:21,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:21,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:21,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 423 flow. Second operand has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:21,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:21,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:21,438 INFO L124 PetriNetUnfolderBase]: 304/1205 cut-off events. [2024-11-10 14:38:21,438 INFO L125 PetriNetUnfolderBase]: For 78/83 co-relation queries the response was YES. [2024-11-10 14:38:21,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1205 events. 304/1205 cut-off events. For 78/83 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7667 event pairs, 120 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1258. Up to 307 conditions per place. [2024-11-10 14:38:21,447 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2024-11-10 14:38:21,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 191 transitions, 488 flow [2024-11-10 14:38:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-10 14:38:21,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2024-11-10 14:38:21,449 INFO L175 Difference]: Start difference. First operand has 186 places, 186 transitions, 423 flow. Second operand 3 states and 614 transitions. [2024-11-10 14:38:21,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 191 transitions, 488 flow [2024-11-10 14:38:21,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 191 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:38:21,453 INFO L231 Difference]: Finished difference. Result has 186 places, 185 transitions, 422 flow [2024-11-10 14:38:21,453 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=186, PETRI_TRANSITIONS=185} [2024-11-10 14:38:21,454 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -11 predicate places. [2024-11-10 14:38:21,455 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 185 transitions, 422 flow [2024-11-10 14:38:21,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:21,456 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:21,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:38:21,456 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:21,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:21,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1507366099, now seen corresponding path program 1 times [2024-11-10 14:38:21,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:21,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990944250] [2024-11-10 14:38:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:21,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:21,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:21,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990944250] [2024-11-10 14:38:21,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990944250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:21,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:21,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:21,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368040621] [2024-11-10 14:38:21,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:21,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:21,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:21,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:21,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:21,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-10 14:38:21,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 185 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:21,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-10 14:38:21,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:21,629 INFO L124 PetriNetUnfolderBase]: 266/1014 cut-off events. [2024-11-10 14:38:21,630 INFO L125 PetriNetUnfolderBase]: For 98/106 co-relation queries the response was YES. [2024-11-10 14:38:21,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 1014 events. 266/1014 cut-off events. For 98/106 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6461 event pairs, 115 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 1287. Up to 290 conditions per place. [2024-11-10 14:38:21,639 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 24 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2024-11-10 14:38:21,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 190 transitions, 486 flow [2024-11-10 14:38:21,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2024-11-10 14:38:21,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9219219219219219 [2024-11-10 14:38:21,642 INFO L175 Difference]: Start difference. First operand has 186 places, 185 transitions, 422 flow. Second operand 3 states and 614 transitions. [2024-11-10 14:38:21,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 190 transitions, 486 flow [2024-11-10 14:38:21,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:21,645 INFO L231 Difference]: Finished difference. Result has 185 places, 184 transitions, 420 flow [2024-11-10 14:38:21,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2024-11-10 14:38:21,646 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -12 predicate places. [2024-11-10 14:38:21,646 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 420 flow [2024-11-10 14:38:21,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:21,647 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] [2024-11-10 14:38:21,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:38:21,647 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:21,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:21,648 INFO L85 PathProgramCache]: Analyzing trace with hash -135138772, now seen corresponding path program 1 times [2024-11-10 14:38:21,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:21,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37490939] [2024-11-10 14:38:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:21,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37490939] [2024-11-10 14:38:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37490939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:21,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717562677] [2024-11-10 14:38:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:21,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:21,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:21,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-10 14:38:21,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 184 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:21,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-10 14:38:21,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:21,821 INFO L124 PetriNetUnfolderBase]: 181/808 cut-off events. [2024-11-10 14:38:21,821 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2024-11-10 14:38:21,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 808 events. 181/808 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4529 event pairs, 62 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 1019. Up to 183 conditions per place. [2024-11-10 14:38:21,827 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 22 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2024-11-10 14:38:21,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 189 transitions, 481 flow [2024-11-10 14:38:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-10 14:38:21,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-10 14:38:21,830 INFO L175 Difference]: Start difference. First operand has 185 places, 184 transitions, 420 flow. Second operand 3 states and 618 transitions. [2024-11-10 14:38:21,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 189 transitions, 481 flow [2024-11-10 14:38:21,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:21,834 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 418 flow [2024-11-10 14:38:21,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2024-11-10 14:38:21,835 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -13 predicate places. [2024-11-10 14:38:21,836 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 418 flow [2024-11-10 14:38:21,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:21,837 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] [2024-11-10 14:38:21,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:38:21,837 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:21,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:21,837 INFO L85 PathProgramCache]: Analyzing trace with hash -23317614, now seen corresponding path program 1 times [2024-11-10 14:38:21,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:21,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153519173] [2024-11-10 14:38:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:21,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:21,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153519173] [2024-11-10 14:38:21,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153519173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:21,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:21,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:21,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673883179] [2024-11-10 14:38:21,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:21,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:21,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:21,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:21,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:21,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-10 14:38:21,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:21,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:21,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-10 14:38:21,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:22,058 INFO L124 PetriNetUnfolderBase]: 277/1193 cut-off events. [2024-11-10 14:38:22,058 INFO L125 PetriNetUnfolderBase]: For 67/71 co-relation queries the response was YES. [2024-11-10 14:38:22,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1193 events. 277/1193 cut-off events. For 67/71 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7537 event pairs, 102 based on Foata normal form. 0/1059 useless extension candidates. Maximal degree in co-relation 1753. Up to 269 conditions per place. [2024-11-10 14:38:22,069 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 22 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-11-10 14:38:22,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 188 transitions, 479 flow [2024-11-10 14:38:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-10 14:38:22,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-10 14:38:22,072 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 418 flow. Second operand 3 states and 618 transitions. [2024-11-10 14:38:22,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 188 transitions, 479 flow [2024-11-10 14:38:22,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 188 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:22,075 INFO L231 Difference]: Finished difference. Result has 183 places, 182 transitions, 416 flow [2024-11-10 14:38:22,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=183, PETRI_TRANSITIONS=182} [2024-11-10 14:38:22,076 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -14 predicate places. [2024-11-10 14:38:22,076 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 182 transitions, 416 flow [2024-11-10 14:38:22,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:22,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:22,077 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] [2024-11-10 14:38:22,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:38:22,077 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-10 14:38:22,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:22,078 INFO L85 PathProgramCache]: Analyzing trace with hash 92777717, now seen corresponding path program 1 times [2024-11-10 14:38:22,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:22,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007435147] [2024-11-10 14:38:22,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:22,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:38:22,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:22,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007435147] [2024-11-10 14:38:22,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007435147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:22,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:22,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:22,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893920901] [2024-11-10 14:38:22,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:22,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:22,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:22,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 222 [2024-11-10 14:38:22,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 182 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:22,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:22,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 222 [2024-11-10 14:38:22,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:22,230 INFO L124 PetriNetUnfolderBase]: 240/975 cut-off events. [2024-11-10 14:38:22,230 INFO L125 PetriNetUnfolderBase]: For 94/101 co-relation queries the response was YES. [2024-11-10 14:38:22,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 975 events. 240/975 cut-off events. For 94/101 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6269 event pairs, 98 based on Foata normal form. 0/882 useless extension candidates. Maximal degree in co-relation 1434. Up to 254 conditions per place. [2024-11-10 14:38:22,236 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 0 selfloop transitions, 0 changer transitions 187/187 dead transitions. [2024-11-10 14:38:22,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 476 flow [2024-11-10 14:38:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-10 14:38:22,238 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279279279279279 [2024-11-10 14:38:22,238 INFO L175 Difference]: Start difference. First operand has 183 places, 182 transitions, 416 flow. Second operand 3 states and 618 transitions. [2024-11-10 14:38:22,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 476 flow [2024-11-10 14:38:22,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 187 transitions, 472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:22,241 INFO L231 Difference]: Finished difference. Result has 182 places, 0 transitions, 0 flow [2024-11-10 14:38:22,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=182, PETRI_TRANSITIONS=0} [2024-11-10 14:38:22,241 INFO L277 CegarLoopForPetriNet]: 197 programPoint places, -15 predicate places. [2024-11-10 14:38:22,241 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 0 transitions, 0 flow [2024-11-10 14:38:22,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:38:22,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-11-10 14:38:22,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-11-10 14:38:22,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-11-10 14:38:22,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-11-10 14:38:22,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-11-10 14:38:22,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-11-10 14:38:22,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-11-10 14:38:22,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-11-10 14:38:22,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-11-10 14:38:22,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-11-10 14:38:22,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 14:38:22,249 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:22,255 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:38:22,255 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:38:22,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:38:22 BasicIcfg [2024-11-10 14:38:22,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:38:22,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:38:22,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:38:22,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:38:22,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:17" (3/4) ... [2024-11-10 14:38:22,262 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:38:22,265 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:38:22,265 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:38:22,265 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:38:22,270 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-10 14:38:22,271 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:38:22,271 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:38:22,271 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:38:22,357 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:38:22,357 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:38:22,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:38:22,358 INFO L158 Benchmark]: Toolchain (without parser) took 5850.09ms. Allocated memory was 163.6MB in the beginning and 299.9MB in the end (delta: 136.3MB). Free memory was 98.3MB in the beginning and 103.0MB in the end (delta: -4.7MB). Peak memory consumption was 131.5MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,358 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:22,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.75ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 132.3MB in the end (delta: -34.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.85ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 130.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:38:22,359 INFO L158 Benchmark]: Boogie Preprocessor took 34.38ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,359 INFO L158 Benchmark]: IcfgBuilder took 602.46ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 109.2MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,359 INFO L158 Benchmark]: TraceAbstraction took 4645.90ms. Allocated memory was 163.6MB in the beginning and 299.9MB in the end (delta: 136.3MB). Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,360 INFO L158 Benchmark]: Witness Printer took 97.92ms. Allocated memory is still 299.9MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:38:22,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.75ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 132.3MB in the end (delta: -34.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.85ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 130.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.38ms. Allocated memory is still 163.6MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 602.46ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 109.2MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4645.90ms. Allocated memory was 163.6MB in the beginning and 299.9MB in the end (delta: 136.3MB). Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 139.3MB. Max. memory is 16.1GB. * Witness Printer took 97.92ms. Allocated memory is still 299.9MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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 7 procedures, 326 locations, 45 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 498 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 797 IncrementalHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 18 mSDtfsCounter, 797 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=423occurred in iteration=13, InterpolantAutomatonStates: 54, 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, 1052 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 1070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:38:22,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE