./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.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 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:44:53,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:44:53,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:44:53,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:44:53,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:44:53,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:44:53,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:44:53,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:44:53,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:44:53,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:44:53,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:44:53,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:44:53,242 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:44:53,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:44:53,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:44:53,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:44:53,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:44:53,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:44:53,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:44:53,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:44:53,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:44:53,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:44:53,249 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:44:53,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:44:53,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:44:53,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:44:53,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:44:53,250 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:44:53,251 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:44:53,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:44:53,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:44:53,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:53,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:44:53,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:44:53,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:44:53,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:44:53,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:44:53,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:44:53,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:44:53,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:44:53,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:44:53,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b21640b39ce7bcc8ee8415d7ec787ca73953d49130bebf43478653d490e2460 [2024-11-16 23:44:53,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:44:53,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:44:53,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:44:53,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:44:53,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:44:53,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-16 23:44:54,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:44:55,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:44:55,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled.wvr.c [2024-11-16 23:44:55,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dc3d15a/8be2fc81855d439a9060361f7d70509b/FLAG620b20a7b [2024-11-16 23:44:55,124 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dc3d15a/8be2fc81855d439a9060361f7d70509b [2024-11-16 23:44:55,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:44:55,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:44:55,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:55,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:44:55,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:44:55,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20913414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55, skipping insertion in model container [2024-11-16 23:44:55,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:44:55,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:55,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:44:55,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:44:55,427 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:44:55,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55 WrapperNode [2024-11-16 23:44:55,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:44:55,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:55,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:44:55,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:44:55,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,474 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-16 23:44:55,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:44:55,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:44:55,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:44:55,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:44:55,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:44:55,508 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:44:55,508 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:44:55,508 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:44:55,509 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (1/1) ... [2024-11-16 23:44:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:44:55,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:44:55,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:44:55,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:44:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:44:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:44:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:44:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:44:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:44:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:44:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:44:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:44:55,601 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:44:55,693 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:44:55,695 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:44:55,992 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:44:55,992 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:44:56,035 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:44:56,036 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:44:56,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56 BoogieIcfgContainer [2024-11-16 23:44:56,036 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:44:56,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:44:56,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:44:56,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:44:56,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:55" (1/3) ... [2024-11-16 23:44:56,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57300b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:56, skipping insertion in model container [2024-11-16 23:44:56,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:55" (2/3) ... [2024-11-16 23:44:56,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57300b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:44:56, skipping insertion in model container [2024-11-16 23:44:56,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56" (3/3) ... [2024-11-16 23:44:56,048 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled.wvr.c [2024-11-16 23:44:56,064 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:44:56,065 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-16 23:44:56,065 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:44:56,159 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:44:56,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 166 transitions, 346 flow [2024-11-16 23:44:56,264 INFO L124 PetriNetUnfolderBase]: 7/164 cut-off events. [2024-11-16 23:44:56,265 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:44:56,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 7/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 258 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-11-16 23:44:56,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 166 transitions, 346 flow [2024-11-16 23:44:56,276 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 147 transitions, 303 flow [2024-11-16 23:44:56,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:44:56,292 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;@2dc3d7ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:44:56,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-16 23:44:56,298 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:44:56,299 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-16 23:44:56,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:44:56,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,301 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] [2024-11-16 23:44:56,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:56,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash 870793250, now seen corresponding path program 1 times [2024-11-16 23:44:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76298977] [2024-11-16 23:44:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:56,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:56,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76298977] [2024-11-16 23:44:56,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76298977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:56,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:56,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:56,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75148328] [2024-11-16 23:44:56,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:56,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:56,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:56,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-11-16 23:44:56,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 147 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:56,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:56,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-11-16 23:44:56,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:56,771 INFO L124 PetriNetUnfolderBase]: 29/279 cut-off events. [2024-11-16 23:44:56,775 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-16 23:44:56,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 279 events. 29/279 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1029 event pairs, 23 based on Foata normal form. 10/243 useless extension candidates. Maximal degree in co-relation 283. Up to 67 conditions per place. [2024-11-16 23:44:56,782 INFO L140 encePairwiseOnDemand]: 160/166 looper letters, 17 selfloop transitions, 2 changer transitions 1/143 dead transitions. [2024-11-16 23:44:56,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 143 transitions, 333 flow [2024-11-16 23:44:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-16 23:44:56,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-11-16 23:44:56,801 INFO L175 Difference]: Start difference. First operand has 148 places, 147 transitions, 303 flow. Second operand 3 states and 440 transitions. [2024-11-16 23:44:56,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 143 transitions, 333 flow [2024-11-16 23:44:56,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 143 transitions, 328 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:44:56,811 INFO L231 Difference]: Finished difference. Result has 146 places, 142 transitions, 292 flow [2024-11-16 23:44:56,814 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=146, PETRI_TRANSITIONS=142} [2024-11-16 23:44:56,818 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2024-11-16 23:44:56,821 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 142 transitions, 292 flow [2024-11-16 23:44:56,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:56,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:56,822 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:56,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:44:56,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:56,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1502562825, now seen corresponding path program 1 times [2024-11-16 23:44:56,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:56,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616706452] [2024-11-16 23:44:56,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:56,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:56,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616706452] [2024-11-16 23:44:56,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616706452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:56,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:56,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:56,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239721295] [2024-11-16 23:44:56,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:56,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:56,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:56,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:56,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:56,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 166 [2024-11-16 23:44:56,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:56,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:56,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 166 [2024-11-16 23:44:56,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,015 INFO L124 PetriNetUnfolderBase]: 29/275 cut-off events. [2024-11-16 23:44:57,015 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:44:57,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 275 events. 29/275 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1101 event pairs, 23 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 322. Up to 65 conditions per place. [2024-11-16 23:44:57,018 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 17 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-16 23:44:57,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 328 flow [2024-11-16 23:44:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2024-11-16 23:44:57,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8775100401606426 [2024-11-16 23:44:57,023 INFO L175 Difference]: Start difference. First operand has 146 places, 142 transitions, 292 flow. Second operand 3 states and 437 transitions. [2024-11-16 23:44:57,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 328 flow [2024-11-16 23:44:57,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,027 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 290 flow [2024-11-16 23:44:57,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2024-11-16 23:44:57,029 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2024-11-16 23:44:57,029 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 290 flow [2024-11-16 23:44:57,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:57,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:44:57,030 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1444359623, now seen corresponding path program 1 times [2024-11-16 23:44:57,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831632159] [2024-11-16 23:44:57,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831632159] [2024-11-16 23:44:57,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831632159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37298303] [2024-11-16 23:44:57,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 166 [2024-11-16 23:44:57,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 166 [2024-11-16 23:44:57,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,188 INFO L124 PetriNetUnfolderBase]: 22/306 cut-off events. [2024-11-16 23:44:57,189 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:44:57,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 306 events. 22/306 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1075 event pairs, 15 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 331. Up to 48 conditions per place. [2024-11-16 23:44:57,195 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 13 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2024-11-16 23:44:57,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 140 transitions, 318 flow [2024-11-16 23:44:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-16 23:44:57,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-16 23:44:57,198 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 290 flow. Second operand 3 states and 445 transitions. [2024-11-16 23:44:57,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 140 transitions, 318 flow [2024-11-16 23:44:57,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,201 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 288 flow [2024-11-16 23:44:57,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2024-11-16 23:44:57,202 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2024-11-16 23:44:57,203 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 288 flow [2024-11-16 23:44:57,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,204 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,205 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] [2024-11-16 23:44:57,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:44:57,205 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,207 INFO L85 PathProgramCache]: Analyzing trace with hash -131685736, now seen corresponding path program 1 times [2024-11-16 23:44:57,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971912169] [2024-11-16 23:44:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971912169] [2024-11-16 23:44:57,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971912169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803962686] [2024-11-16 23:44:57,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-11-16 23:44:57,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-11-16 23:44:57,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,362 INFO L124 PetriNetUnfolderBase]: 38/273 cut-off events. [2024-11-16 23:44:57,363 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:44:57,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 273 events. 38/273 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1062 event pairs, 23 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 343. Up to 64 conditions per place. [2024-11-16 23:44:57,365 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 18 selfloop transitions, 5 changer transitions 0/140 dead transitions. [2024-11-16 23:44:57,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 140 transitions, 336 flow [2024-11-16 23:44:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2024-11-16 23:44:57,368 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8795180722891566 [2024-11-16 23:44:57,368 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 288 flow. Second operand 3 states and 438 transitions. [2024-11-16 23:44:57,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 140 transitions, 336 flow [2024-11-16 23:44:57,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 140 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:57,373 INFO L231 Difference]: Finished difference. Result has 140 places, 137 transitions, 295 flow [2024-11-16 23:44:57,373 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=140, PETRI_TRANSITIONS=137} [2024-11-16 23:44:57,374 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -8 predicate places. [2024-11-16 23:44:57,374 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 295 flow [2024-11-16 23:44:57,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:57,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:44:57,377 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1758689869, now seen corresponding path program 1 times [2024-11-16 23:44:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425702573] [2024-11-16 23:44:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425702573] [2024-11-16 23:44:57,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425702573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164451658] [2024-11-16 23:44:57,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,469 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 166 [2024-11-16 23:44:57,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 166 [2024-11-16 23:44:57,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,544 INFO L124 PetriNetUnfolderBase]: 44/337 cut-off events. [2024-11-16 23:44:57,545 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2024-11-16 23:44:57,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 337 events. 44/337 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1610 event pairs, 13 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 290. Up to 65 conditions per place. [2024-11-16 23:44:57,547 INFO L140 encePairwiseOnDemand]: 157/166 looper letters, 20 selfloop transitions, 5 changer transitions 0/139 dead transitions. [2024-11-16 23:44:57,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 353 flow [2024-11-16 23:44:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2024-11-16 23:44:57,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8835341365461847 [2024-11-16 23:44:57,549 INFO L175 Difference]: Start difference. First operand has 140 places, 137 transitions, 295 flow. Second operand 3 states and 440 transitions. [2024-11-16 23:44:57,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 353 flow [2024-11-16 23:44:57,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 139 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:57,552 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 301 flow [2024-11-16 23:44:57,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-16 23:44:57,553 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-16 23:44:57,553 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 301 flow [2024-11-16 23:44:57,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,554 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,554 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] [2024-11-16 23:44:57,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:44:57,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1132922917, now seen corresponding path program 1 times [2024-11-16 23:44:57,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609012150] [2024-11-16 23:44:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609012150] [2024-11-16 23:44:57,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609012150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408311630] [2024-11-16 23:44:57,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 166 [2024-11-16 23:44:57,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 166 [2024-11-16 23:44:57,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,675 INFO L124 PetriNetUnfolderBase]: 43/475 cut-off events. [2024-11-16 23:44:57,676 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-16 23:44:57,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 475 events. 43/475 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2279 event pairs, 16 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 387. Up to 84 conditions per place. [2024-11-16 23:44:57,678 INFO L140 encePairwiseOnDemand]: 162/166 looper letters, 14 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-16 23:44:57,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 135 transitions, 337 flow [2024-11-16 23:44:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2024-11-16 23:44:57,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9096385542168675 [2024-11-16 23:44:57,680 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 301 flow. Second operand 3 states and 453 transitions. [2024-11-16 23:44:57,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 135 transitions, 337 flow [2024-11-16 23:44:57,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:44:57,684 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 306 flow [2024-11-16 23:44:57,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-16 23:44:57,685 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-16 23:44:57,685 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 306 flow [2024-11-16 23:44:57,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:57,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:44:57,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 330916961, now seen corresponding path program 1 times [2024-11-16 23:44:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899565715] [2024-11-16 23:44:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899565715] [2024-11-16 23:44:57,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899565715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257642758] [2024-11-16 23:44:57,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-11-16 23:44:57,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-11-16 23:44:57,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:57,848 INFO L124 PetriNetUnfolderBase]: 59/423 cut-off events. [2024-11-16 23:44:57,848 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-16 23:44:57,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 423 events. 59/423 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2069 event pairs, 36 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 318. Up to 108 conditions per place. [2024-11-16 23:44:57,852 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-11-16 23:44:57,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 136 transitions, 356 flow [2024-11-16 23:44:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-16 23:44:57,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-16 23:44:57,854 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 306 flow. Second operand 3 states and 445 transitions. [2024-11-16 23:44:57,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 136 transitions, 356 flow [2024-11-16 23:44:57,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 136 transitions, 356 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:44:57,857 INFO L231 Difference]: Finished difference. Result has 139 places, 133 transitions, 308 flow [2024-11-16 23:44:57,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=133} [2024-11-16 23:44:57,858 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -9 predicate places. [2024-11-16 23:44:57,859 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 308 flow [2024-11-16 23:44:57,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:57,860 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] [2024-11-16 23:44:57,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:44:57,860 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:57,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:57,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2053006094, now seen corresponding path program 1 times [2024-11-16 23:44:57,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682118424] [2024-11-16 23:44:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:57,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:57,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:57,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682118424] [2024-11-16 23:44:57,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682118424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:57,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:57,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:57,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009336895] [2024-11-16 23:44:57,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:57,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:57,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:57,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:57,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:57,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-11-16 23:44:57,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 133 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:57,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:57,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-11-16 23:44:57,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,023 INFO L124 PetriNetUnfolderBase]: 49/366 cut-off events. [2024-11-16 23:44:58,023 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-16 23:44:58,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 366 events. 49/366 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1686 event pairs, 28 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 406. Up to 94 conditions per place. [2024-11-16 23:44:58,026 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-11-16 23:44:58,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 135 transitions, 357 flow [2024-11-16 23:44:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-16 23:44:58,028 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-16 23:44:58,028 INFO L175 Difference]: Start difference. First operand has 139 places, 133 transitions, 308 flow. Second operand 3 states and 445 transitions. [2024-11-16 23:44:58,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 135 transitions, 357 flow [2024-11-16 23:44:58,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 135 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,032 INFO L231 Difference]: Finished difference. Result has 138 places, 132 transitions, 306 flow [2024-11-16 23:44:58,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=138, PETRI_TRANSITIONS=132} [2024-11-16 23:44:58,034 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -10 predicate places. [2024-11-16 23:44:58,034 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 132 transitions, 306 flow [2024-11-16 23:44:58,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:58,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,035 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] [2024-11-16 23:44:58,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:44:58,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:58,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,037 INFO L85 PathProgramCache]: Analyzing trace with hash -887120715, now seen corresponding path program 1 times [2024-11-16 23:44:58,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900512678] [2024-11-16 23:44:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:58,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900512678] [2024-11-16 23:44:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900512678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732963742] [2024-11-16 23:44:58,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-11-16 23:44:58,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 132 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:58,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-11-16 23:44:58,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,244 INFO L124 PetriNetUnfolderBase]: 59/414 cut-off events. [2024-11-16 23:44:58,244 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-16 23:44:58,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 414 events. 59/414 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1988 event pairs, 36 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 515. Up to 108 conditions per place. [2024-11-16 23:44:58,248 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 20 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-16 23:44:58,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 134 transitions, 356 flow [2024-11-16 23:44:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-16 23:44:58,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-16 23:44:58,251 INFO L175 Difference]: Start difference. First operand has 138 places, 132 transitions, 306 flow. Second operand 3 states and 445 transitions. [2024-11-16 23:44:58,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 134 transitions, 356 flow [2024-11-16 23:44:58,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 134 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,254 INFO L231 Difference]: Finished difference. Result has 137 places, 131 transitions, 304 flow [2024-11-16 23:44:58,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=137, PETRI_TRANSITIONS=131} [2024-11-16 23:44:58,255 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -11 predicate places. [2024-11-16 23:44:58,255 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 131 transitions, 304 flow [2024-11-16 23:44:58,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:58,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:44:58,256 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] [2024-11-16 23:44:58,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:44:58,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-11-16 23:44:58,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:44:58,257 INFO L85 PathProgramCache]: Analyzing trace with hash 861829748, now seen corresponding path program 1 times [2024-11-16 23:44:58,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:44:58,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645973033] [2024-11-16 23:44:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:44:58,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:44:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:44:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:44:58,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:44:58,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645973033] [2024-11-16 23:44:58,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645973033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:44:58,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:44:58,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:44:58,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337222136] [2024-11-16 23:44:58,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:44:58,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:44:58,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:44:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:44:58,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:44:58,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 166 [2024-11-16 23:44:58,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:58,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:44:58,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 166 [2024-11-16 23:44:58,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:44:58,422 INFO L124 PetriNetUnfolderBase]: 48/358 cut-off events. [2024-11-16 23:44:58,423 INFO L125 PetriNetUnfolderBase]: For 29/31 co-relation queries the response was YES. [2024-11-16 23:44:58,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 358 events. 48/358 cut-off events. For 29/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1571 event pairs, 26 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 512. Up to 93 conditions per place. [2024-11-16 23:44:58,424 INFO L140 encePairwiseOnDemand]: 163/166 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2024-11-16 23:44:58,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 353 flow [2024-11-16 23:44:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:44:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:44:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2024-11-16 23:44:58,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.893574297188755 [2024-11-16 23:44:58,426 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 304 flow. Second operand 3 states and 445 transitions. [2024-11-16 23:44:58,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 353 flow [2024-11-16 23:44:58,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 133 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:44:58,428 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-16 23:44:58,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-11-16 23:44:58,428 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -12 predicate places. [2024-11-16 23:44:58,428 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-16 23:44:58,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:44:58,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-16 23:44:58,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-16 23:44:58,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-16 23:44:58,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-16 23:44:58,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-16 23:44:58,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:44:58,436 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:44:58,441 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:44:58,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:44:58,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:44:58 BasicIcfg [2024-11-16 23:44:58,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:44:58,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:44:58,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:44:58,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:44:58,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:44:56" (3/4) ... [2024-11-16 23:44:58,455 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:44:58,458 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:44:58,458 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:44:58,461 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-16 23:44:58,462 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:44:58,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:44:58,463 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:44:58,543 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:44:58,544 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:44:58,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:44:58,544 INFO L158 Benchmark]: Toolchain (without parser) took 3416.83ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 155.4MB in the beginning and 122.9MB in the end (delta: 32.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,545 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:44:58,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.34ms. Allocated memory is still 184.5MB. Free memory was 155.1MB in the beginning and 145.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.44ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 144.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,545 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 184.5MB. Free memory was 144.0MB in the beginning and 142.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,546 INFO L158 Benchmark]: IcfgBuilder took 528.83ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 125.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,546 INFO L158 Benchmark]: TraceAbstraction took 2411.97ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 124.8MB in the beginning and 127.0MB in the end (delta: -2.2MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,546 INFO L158 Benchmark]: Witness Printer took 92.09ms. Allocated memory is still 222.3MB. Free memory was 127.0MB in the beginning and 122.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:44:58,547 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 130.0MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.34ms. Allocated memory is still 184.5MB. Free memory was 155.1MB in the beginning and 145.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.44ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 144.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 184.5MB. Free memory was 144.0MB in the beginning and 142.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 528.83ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 125.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2411.97ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 124.8MB in the beginning and 127.0MB in the end (delta: -2.2MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Witness Printer took 92.09ms. Allocated memory is still 222.3MB. Free memory was 127.0MB in the beginning and 122.9MB 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: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 234 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 87 mSDtfsCounter, 474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=7, InterpolantAutomatonStates: 30, 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, 0.4s InterpolantComputationTime, 532 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:44:58,574 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