./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:14:03,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:14:03,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:14:03,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:14:03,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:14:03,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:14:03,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:14:03,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:14:03,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:14:03,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:14:03,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:14:03,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:14:03,992 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:14:03,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:14:03,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:14:03,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:14:03,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:14:03,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:14:03,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:14:03,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:14:03,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:14:03,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:14:03,998 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:14:03,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:14:03,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:14:03,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:14:03,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:14:03,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:14:03,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:14:04,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:14:04,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:14:04,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:04,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:14:04,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:14:04,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:14:04,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:14:04,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:14:04,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:14:04,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:14:04,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:14:04,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:14:04,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2024-10-14 17:14:04,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:14:04,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:14:04,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:14:04,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:14:04,321 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:14:04,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2024-10-14 17:14:05,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:14:05,953 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:14:05,953 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2024-10-14 17:14:05,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b51531ce/ca5ccfed8fb64408b7ea7ebd95f24a1b/FLAGeb8a08243 [2024-10-14 17:14:05,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b51531ce/ca5ccfed8fb64408b7ea7ebd95f24a1b [2024-10-14 17:14:05,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:14:05,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:14:05,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:05,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:14:05,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:14:05,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:05" (1/1) ... [2024-10-14 17:14:05,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21dc7ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:05, skipping insertion in model container [2024-10-14 17:14:05,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:05" (1/1) ... [2024-10-14 17:14:06,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:14:06,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:06,267 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:14:06,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:06,325 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:14:06,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06 WrapperNode [2024-10-14 17:14:06,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:06,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:06,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:14:06,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:14:06,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,375 INFO L138 Inliner]: procedures = 25, calls = 31, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 191 [2024-10-14 17:14:06,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:06,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:14:06,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:14:06,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:14:06,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:14:06,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:14:06,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:14:06,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:14:06,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (1/1) ... [2024-10-14 17:14:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:06,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:14:06,454 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) [2024-10-14 17:14:06,456 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 [2024-10-14 17:14:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:14:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:14:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:14:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:14:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:14:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:14:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:14:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:14:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:14:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:14:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:14:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:14:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:14:06,509 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:14:06,632 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:14:06,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:14:07,085 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:14:07,085 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:14:07,292 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:14:07,292 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-14 17:14:07,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07 BoogieIcfgContainer [2024-10-14 17:14:07,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:14:07,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:14:07,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:14:07,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:14:07,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:14:05" (1/3) ... [2024-10-14 17:14:07,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:07, skipping insertion in model container [2024-10-14 17:14:07,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:06" (2/3) ... [2024-10-14 17:14:07,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117952d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:07, skipping insertion in model container [2024-10-14 17:14:07,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07" (3/3) ... [2024-10-14 17:14:07,305 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2024-10-14 17:14:07,321 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:14:07,321 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-10-14 17:14:07,321 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:14:07,394 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-14 17:14:07,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 156 transitions, 326 flow [2024-10-14 17:14:07,493 INFO L124 PetriNetUnfolderBase]: 9/154 cut-off events. [2024-10-14 17:14:07,493 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:14:07,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 154 events. 9/154 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 165 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2024-10-14 17:14:07,499 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 156 transitions, 326 flow [2024-10-14 17:14:07,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 137 transitions, 286 flow [2024-10-14 17:14:07,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:14:07,520 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;@22d39e15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:14:07,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-14 17:14:07,525 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:14:07,525 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 17:14:07,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:14:07,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:07,526 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:07,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:07,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:07,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1348805112, now seen corresponding path program 1 times [2024-10-14 17:14:07,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:07,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17464696] [2024-10-14 17:14:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:07,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17464696] [2024-10-14 17:14:07,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17464696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:07,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:07,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:07,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8655952] [2024-10-14 17:14:07,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:07,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:07,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:07,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:07,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:07,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 156 [2024-10-14 17:14:07,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-14 17:14:07,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:07,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 156 [2024-10-14 17:14:07,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:07,875 INFO L124 PetriNetUnfolderBase]: 26/210 cut-off events. [2024-10-14 17:14:07,876 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-14 17:14:07,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 210 events. 26/210 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 527 event pairs, 15 based on Foata normal form. 3/193 useless extension candidates. Maximal degree in co-relation 162. Up to 53 conditions per place. [2024-10-14 17:14:07,881 INFO L140 encePairwiseOnDemand]: 140/156 looper letters, 14 selfloop transitions, 2 changer transitions 2/123 dead transitions. [2024-10-14 17:14:07,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 123 transitions, 290 flow [2024-10-14 17:14:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:07,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2024-10-14 17:14:07,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525641025641025 [2024-10-14 17:14:07,900 INFO L175 Difference]: Start difference. First operand has 136 places, 137 transitions, 286 flow. Second operand 3 states and 399 transitions. [2024-10-14 17:14:07,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 123 transitions, 290 flow [2024-10-14 17:14:07,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 123 transitions, 282 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 17:14:07,909 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 250 flow [2024-10-14 17:14:07,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-10-14 17:14:07,917 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2024-10-14 17:14:07,918 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 250 flow [2024-10-14 17:14:07,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-14 17:14:07,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:07,919 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] [2024-10-14 17:14:07,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:14:07,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:07,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:07,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1942222427, now seen corresponding path program 1 times [2024-10-14 17:14:07,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:07,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320491671] [2024-10-14 17:14:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:07,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:08,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:08,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320491671] [2024-10-14 17:14:08,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320491671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:08,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:08,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:08,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106415688] [2024-10-14 17:14:08,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:08,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:08,045 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 156 [2024-10-14 17:14:08,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2024-10-14 17:14:08,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:08,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 156 [2024-10-14 17:14:08,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:08,120 INFO L124 PetriNetUnfolderBase]: 37/239 cut-off events. [2024-10-14 17:14:08,120 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-14 17:14:08,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 239 events. 37/239 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 721 event pairs, 24 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 296. Up to 72 conditions per place. [2024-10-14 17:14:08,126 INFO L140 encePairwiseOnDemand]: 152/156 looper letters, 14 selfloop transitions, 1 changer transitions 0/118 dead transitions. [2024-10-14 17:14:08,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 118 transitions, 274 flow [2024-10-14 17:14:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-10-14 17:14:08,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8269230769230769 [2024-10-14 17:14:08,130 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 250 flow. Second operand 3 states and 387 transitions. [2024-10-14 17:14:08,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 118 transitions, 274 flow [2024-10-14 17:14:08,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 118 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:08,133 INFO L231 Difference]: Finished difference. Result has 120 places, 118 transitions, 242 flow [2024-10-14 17:14:08,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=120, PETRI_TRANSITIONS=118} [2024-10-14 17:14:08,134 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -16 predicate places. [2024-10-14 17:14:08,134 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 118 transitions, 242 flow [2024-10-14 17:14:08,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2024-10-14 17:14:08,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:08,135 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:08,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:14:08,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:08,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:08,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1172061634, now seen corresponding path program 1 times [2024-10-14 17:14:08,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:08,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275598351] [2024-10-14 17:14:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:08,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:08,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275598351] [2024-10-14 17:14:08,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275598351] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:08,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:08,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:08,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356998716] [2024-10-14 17:14:08,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:08,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:08,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:08,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 156 [2024-10-14 17:14:08,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 118 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 120.5) internal successors, (723), 6 states have internal predecessors, (723), 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) [2024-10-14 17:14:08,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:08,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 156 [2024-10-14 17:14:08,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,024 INFO L124 PetriNetUnfolderBase]: 21/201 cut-off events. [2024-10-14 17:14:09,025 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-14 17:14:09,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 201 events. 21/201 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 475 event pairs, 8 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 229. Up to 42 conditions per place. [2024-10-14 17:14:09,027 INFO L140 encePairwiseOnDemand]: 150/156 looper letters, 16 selfloop transitions, 5 changer transitions 0/117 dead transitions. [2024-10-14 17:14:09,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 117 transitions, 282 flow [2024-10-14 17:14:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 736 transitions. [2024-10-14 17:14:09,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7863247863247863 [2024-10-14 17:14:09,031 INFO L175 Difference]: Start difference. First operand has 120 places, 118 transitions, 242 flow. Second operand 6 states and 736 transitions. [2024-10-14 17:14:09,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 117 transitions, 282 flow [2024-10-14 17:14:09,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 117 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:09,035 INFO L231 Difference]: Finished difference. Result has 123 places, 117 transitions, 249 flow [2024-10-14 17:14:09,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=123, PETRI_TRANSITIONS=117} [2024-10-14 17:14:09,036 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -13 predicate places. [2024-10-14 17:14:09,036 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 249 flow [2024-10-14 17:14:09,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.5) internal successors, (723), 6 states have internal predecessors, (723), 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) [2024-10-14 17:14:09,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:09,037 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:09,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:14:09,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:09,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash -475422063, now seen corresponding path program 1 times [2024-10-14 17:14:09,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:09,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370067641] [2024-10-14 17:14:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:09,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:09,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370067641] [2024-10-14 17:14:09,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370067641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:09,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:09,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:09,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088224365] [2024-10-14 17:14:09,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:09,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:09,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:09,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:09,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:09,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 156 [2024-10-14 17:14:09,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-14 17:14:09,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:09,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 156 [2024-10-14 17:14:09,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,141 INFO L124 PetriNetUnfolderBase]: 21/200 cut-off events. [2024-10-14 17:14:09,141 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-14 17:14:09,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 200 events. 21/200 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 472 event pairs, 8 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 233. Up to 37 conditions per place. [2024-10-14 17:14:09,147 INFO L140 encePairwiseOnDemand]: 153/156 looper letters, 11 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-10-14 17:14:09,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 116 transitions, 273 flow [2024-10-14 17:14:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2024-10-14 17:14:09,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8376068376068376 [2024-10-14 17:14:09,150 INFO L175 Difference]: Start difference. First operand has 123 places, 117 transitions, 249 flow. Second operand 3 states and 392 transitions. [2024-10-14 17:14:09,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 116 transitions, 273 flow [2024-10-14 17:14:09,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 263 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:09,153 INFO L231 Difference]: Finished difference. Result has 119 places, 116 transitions, 241 flow [2024-10-14 17:14:09,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=119, PETRI_TRANSITIONS=116} [2024-10-14 17:14:09,154 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -17 predicate places. [2024-10-14 17:14:09,154 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 116 transitions, 241 flow [2024-10-14 17:14:09,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-10-14 17:14:09,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:09,155 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:09,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:14:09,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-14 17:14:09,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:09,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1433626038, now seen corresponding path program 1 times [2024-10-14 17:14:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:09,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928111960] [2024-10-14 17:14:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:09,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:09,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928111960] [2024-10-14 17:14:09,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928111960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:09,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:09,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:09,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142720738] [2024-10-14 17:14:09,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:09,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:09,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:09,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:09,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:09,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 156 [2024-10-14 17:14:09,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2024-10-14 17:14:09,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:09,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 156 [2024-10-14 17:14:09,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:09,246 INFO L124 PetriNetUnfolderBase]: 15/174 cut-off events. [2024-10-14 17:14:09,247 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:14:09,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 174 events. 15/174 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 355 event pairs, 3 based on Foata normal form. 1/169 useless extension candidates. Maximal degree in co-relation 189. Up to 19 conditions per place. [2024-10-14 17:14:09,248 INFO L140 encePairwiseOnDemand]: 150/156 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2024-10-14 17:14:09,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 121 transitions, 283 flow [2024-10-14 17:14:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2024-10-14 17:14:09,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8675213675213675 [2024-10-14 17:14:09,250 INFO L175 Difference]: Start difference. First operand has 119 places, 116 transitions, 241 flow. Second operand 3 states and 406 transitions. [2024-10-14 17:14:09,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 121 transitions, 283 flow [2024-10-14 17:14:09,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 121 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:09,252 INFO L231 Difference]: Finished difference. Result has 118 places, 0 transitions, 0 flow [2024-10-14 17:14:09,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=118, PETRI_TRANSITIONS=0} [2024-10-14 17:14:09,253 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -18 predicate places. [2024-10-14 17:14:09,254 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 0 transitions, 0 flow [2024-10-14 17:14:09,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2024-10-14 17:14:09,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-14 17:14:09,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-14 17:14:09,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-14 17:14:09,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-14 17:14:09,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-14 17:14:09,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-14 17:14:09,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-14 17:14:09,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-14 17:14:09,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-14 17:14:09,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-14 17:14:09,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-14 17:14:09,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-10-14 17:14:09,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-10-14 17:14:09,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-14 17:14:09,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-14 17:14:09,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-10-14 17:14:09,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-14 17:14:09,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-14 17:14:09,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-14 17:14:09,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-14 17:14:09,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-14 17:14:09,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-14 17:14:09,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:14:09,263 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 17:14:09,269 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:14:09,269 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:14:09,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:14:09 BasicIcfg [2024-10-14 17:14:09,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:14:09,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:14:09,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:14:09,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:14:09,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:07" (3/4) ... [2024-10-14 17:14:09,278 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:14:09,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:14:09,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:14:09,285 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 17:14:09,286 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:14:09,286 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:14:09,287 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:14:09,377 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:14:09,380 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:14:09,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:14:09,381 INFO L158 Benchmark]: Toolchain (without parser) took 3400.06ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 78.5MB in the end (delta: 54.4MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,381 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:14:09,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.64ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 119.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.47ms. Allocated memory is still 186.6MB. Free memory was 119.8MB in the beginning and 117.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,382 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 186.6MB. Free memory was 117.3MB in the beginning and 115.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,385 INFO L158 Benchmark]: RCFGBuilder took 882.98ms. Allocated memory is still 186.6MB. Free memory was 115.7MB in the beginning and 123.3MB in the end (delta: -7.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,385 INFO L158 Benchmark]: TraceAbstraction took 1978.46ms. Allocated memory is still 186.6MB. Free memory was 123.1MB in the beginning and 83.7MB in the end (delta: 39.3MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,385 INFO L158 Benchmark]: Witness Printer took 104.35ms. Allocated memory is still 186.6MB. Free memory was 83.7MB in the beginning and 78.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:14:09,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.64ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 119.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.47ms. Allocated memory is still 186.6MB. Free memory was 119.8MB in the beginning and 117.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 186.6MB. Free memory was 117.3MB in the beginning and 115.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.98ms. Allocated memory is still 186.6MB. Free memory was 115.7MB in the beginning and 123.3MB in the end (delta: -7.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1978.46ms. Allocated memory is still 186.6MB. Free memory was 123.1MB in the beginning and 83.7MB in the end (delta: 39.3MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Witness Printer took 104.35ms. Allocated memory is still 186.6MB. Free memory was 83.7MB in the beginning and 78.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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, 190 locations, 27 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: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 193 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 8 mSDtfsCounter, 193 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.9s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:14:09,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE