./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9205365dcda04af07212d180b1c6367c5de79b6e0d2e09ec11b949fed58626f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:35:59,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:35:59,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:35:59,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:35:59,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:35:59,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:35:59,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:35:59,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:35:59,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:35:59,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:35:59,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:35:59,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:35:59,565 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:35:59,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:35:59,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:35:59,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:35:59,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:35:59,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:35:59,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:35:59,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:35:59,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:35:59,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:35:59,571 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:35:59,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:35:59,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:35:59,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:35:59,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:35:59,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:35:59,572 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:35:59,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:35:59,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:35:59,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:59,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:35:59,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:35:59,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:35:59,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:35:59,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:35:59,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:35:59,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:35:59,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:35:59,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:35:59,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9205365dcda04af07212d180b1c6367c5de79b6e0d2e09ec11b949fed58626f5 [2024-11-16 23:35:59,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:35:59,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:35:59,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:35:59,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:35:59,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:35:59,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i [2024-11-16 23:36:01,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:36:01,444 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:36:01,445 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i [2024-11-16 23:36:01,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea15a3c24/2dcbc884a4f74a6bae2345b6fe9dcb68/FLAG7edbffab7 [2024-11-16 23:36:01,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea15a3c24/2dcbc884a4f74a6bae2345b6fe9dcb68 [2024-11-16 23:36:01,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:36:01,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:36:01,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:01,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:36:01,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:36:01,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:01" (1/1) ... [2024-11-16 23:36:01,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5144202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:01, skipping insertion in model container [2024-11-16 23:36:01,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:01" (1/1) ... [2024-11-16 23:36:01,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:36:02,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:02,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:36:02,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:36:02,448 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:36:02,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02 WrapperNode [2024-11-16 23:36:02,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:36:02,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:02,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:36:02,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:36:02,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,495 INFO L138 Inliner]: procedures = 162, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2024-11-16 23:36:02,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:36:02,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:36:02,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:36:02,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:36:02,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,522 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:36:02,530 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:36:02,530 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:36:02,530 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:36:02,531 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (1/1) ... [2024-11-16 23:36:02,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:36:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:02,574 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 23:36:02,581 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 23:36:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:36:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:36:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:36:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:36:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-16 23:36:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-16 23:36:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:36:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:36:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:36:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:36:02,631 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 23:36:02,796 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:36:02,798 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:36:03,160 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:36:03,160 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:36:03,198 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:36:03,198 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:36:03,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:03 BoogieIcfgContainer [2024-11-16 23:36:03,200 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:36:03,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:36:03,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:36:03,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:36:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:01" (1/3) ... [2024-11-16 23:36:03,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f8d5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:03, skipping insertion in model container [2024-11-16 23:36:03,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:02" (2/3) ... [2024-11-16 23:36:03,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f8d5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:36:03, skipping insertion in model container [2024-11-16 23:36:03,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:03" (3/3) ... [2024-11-16 23:36:03,210 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_23-idxsense_nr.i [2024-11-16 23:36:03,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:36:03,227 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-16 23:36:03,228 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:36:03,315 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:36:03,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 328 flow [2024-11-16 23:36:03,454 INFO L124 PetriNetUnfolderBase]: 2/161 cut-off events. [2024-11-16 23:36:03,454 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:03,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 2/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2024-11-16 23:36:03,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 328 flow [2024-11-16 23:36:03,466 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 161 transitions, 325 flow [2024-11-16 23:36:03,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:36:03,487 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;@7be8f826, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:36:03,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-16 23:36:03,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:36:03,518 INFO L124 PetriNetUnfolderBase]: 2/100 cut-off events. [2024-11-16 23:36:03,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:03,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:03,519 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] [2024-11-16 23:36:03,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:03,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1032112247, now seen corresponding path program 1 times [2024-11-16 23:36:03,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:03,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985306774] [2024-11-16 23:36:03,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:03,840 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 23:36:03,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:03,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985306774] [2024-11-16 23:36:03,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985306774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:03,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:03,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:36:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030827175] [2024-11-16 23:36:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:03,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:36:03,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:36:03,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:36:03,913 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 162 [2024-11-16 23:36:03,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 325 flow. Second operand has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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 23:36:03,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:03,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 162 [2024-11-16 23:36:03,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:04,028 INFO L124 PetriNetUnfolderBase]: 9/268 cut-off events. [2024-11-16 23:36:04,028 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:36:04,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 268 events. 9/268 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 523 event pairs, 8 based on Foata normal form. 1/252 useless extension candidates. Maximal degree in co-relation 208. Up to 24 conditions per place. [2024-11-16 23:36:04,034 INFO L140 encePairwiseOnDemand]: 161/162 looper letters, 7 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2024-11-16 23:36:04,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 337 flow [2024-11-16 23:36:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:36:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:36:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 316 transitions. [2024-11-16 23:36:04,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9753086419753086 [2024-11-16 23:36:04,054 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 325 flow. Second operand 2 states and 316 transitions. [2024-11-16 23:36:04,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 337 flow [2024-11-16 23:36:04,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:04,062 INFO L231 Difference]: Finished difference. Result has 163 places, 160 transitions, 322 flow [2024-11-16 23:36:04,064 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=322, PETRI_PLACES=163, PETRI_TRANSITIONS=160} [2024-11-16 23:36:04,070 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 0 predicate places. [2024-11-16 23:36:04,070 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 160 transitions, 322 flow [2024-11-16 23:36:04,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 155.5) internal successors, (311), 2 states have internal predecessors, (311), 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 23:36:04,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:04,071 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] [2024-11-16 23:36:04,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:36:04,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash -492597018, now seen corresponding path program 1 times [2024-11-16 23:36:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517778646] [2024-11-16 23:36:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:04,331 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 23:36:04,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517778646] [2024-11-16 23:36:04,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517778646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:04,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:36:04,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397671562] [2024-11-16 23:36:04,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:04,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:36:04,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:04,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:36:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:36:04,354 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 162 [2024-11-16 23:36:04,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 160 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 23:36:04,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:04,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 162 [2024-11-16 23:36:04,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:04,427 INFO L124 PetriNetUnfolderBase]: 11/300 cut-off events. [2024-11-16 23:36:04,427 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:36:04,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 300 events. 11/300 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 606 event pairs, 10 based on Foata normal form. 1/282 useless extension candidates. Maximal degree in co-relation 336. Up to 34 conditions per place. [2024-11-16 23:36:04,432 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 12 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-16 23:36:04,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 352 flow [2024-11-16 23:36:04,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:36:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:36:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-16 23:36:04,437 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-16 23:36:04,437 INFO L175 Difference]: Start difference. First operand has 163 places, 160 transitions, 322 flow. Second operand 3 states and 459 transitions. [2024-11-16 23:36:04,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 352 flow [2024-11-16 23:36:04,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:04,444 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 334 flow [2024-11-16 23:36:04,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2024-11-16 23:36:04,446 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 3 predicate places. [2024-11-16 23:36:04,446 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 334 flow [2024-11-16 23:36:04,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 23:36:04,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:04,447 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:04,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:36:04,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:04,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash -47108864, now seen corresponding path program 1 times [2024-11-16 23:36:04,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393979191] [2024-11-16 23:36:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:04,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:04,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393979191] [2024-11-16 23:36:04,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393979191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:04,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104301007] [2024-11-16 23:36:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:04,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:04,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:04,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:04,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:36:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:04,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:36:04,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:04,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:36:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:04,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104301007] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:36:04,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:36:04,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:36:04,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735549131] [2024-11-16 23:36:04,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:36:04,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:36:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:36:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:36:05,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:36:05,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 334 flow. Second operand has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 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 23:36:05,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:05,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:36:05,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:05,154 INFO L124 PetriNetUnfolderBase]: 11/309 cut-off events. [2024-11-16 23:36:05,154 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:36:05,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 309 events. 11/309 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 601 event pairs, 10 based on Foata normal form. 2/292 useless extension candidates. Maximal degree in co-relation 362. Up to 34 conditions per place. [2024-11-16 23:36:05,158 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 16 selfloop transitions, 9 changer transitions 0/169 dead transitions. [2024-11-16 23:36:05,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 402 flow [2024-11-16 23:36:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 23:36:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-16 23:36:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1332 transitions. [2024-11-16 23:36:05,164 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-11-16 23:36:05,164 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 334 flow. Second operand 9 states and 1332 transitions. [2024-11-16 23:36:05,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 402 flow [2024-11-16 23:36:05,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 169 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:05,170 INFO L231 Difference]: Finished difference. Result has 176 places, 167 transitions, 382 flow [2024-11-16 23:36:05,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=382, PETRI_PLACES=176, PETRI_TRANSITIONS=167} [2024-11-16 23:36:05,171 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 13 predicate places. [2024-11-16 23:36:05,171 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 167 transitions, 382 flow [2024-11-16 23:36:05,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 147.0) internal successors, (1470), 10 states have internal predecessors, (1470), 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 23:36:05,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:05,173 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:05,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 23:36:05,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:05,374 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:05,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:05,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1513221452, now seen corresponding path program 2 times [2024-11-16 23:36:05,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:05,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261257427] [2024-11-16 23:36:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:05,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:05,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:05,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261257427] [2024-11-16 23:36:05,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261257427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:05,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080619246] [2024-11-16 23:36:05,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:36:05,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:05,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:05,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:05,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:36:05,672 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:36:05,673 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:36:05,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 23:36:05,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:05,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-16 23:36:05,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-16 23:36:05,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:05,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-16 23:36:05,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:05,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-16 23:36:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-16 23:36:06,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:36:06,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080619246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:06,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:36:06,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-16 23:36:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166570998] [2024-11-16 23:36:06,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:06,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:36:06,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:06,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:36:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-16 23:36:06,414 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 162 [2024-11-16 23:36:06,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 167 transitions, 382 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 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 23:36:06,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:06,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 162 [2024-11-16 23:36:06,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:06,726 INFO L124 PetriNetUnfolderBase]: 285/1096 cut-off events. [2024-11-16 23:36:06,727 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:36:06,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1750 conditions, 1096 events. 285/1096 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6319 event pairs, 68 based on Foata normal form. 0/1051 useless extension candidates. Maximal degree in co-relation 1743. Up to 286 conditions per place. [2024-11-16 23:36:06,733 INFO L140 encePairwiseOnDemand]: 139/162 looper letters, 97 selfloop transitions, 43 changer transitions 0/277 dead transitions. [2024-11-16 23:36:06,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 277 transitions, 882 flow [2024-11-16 23:36:06,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:36:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:36:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1059 transitions. [2024-11-16 23:36:06,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9338624338624338 [2024-11-16 23:36:06,736 INFO L175 Difference]: Start difference. First operand has 176 places, 167 transitions, 382 flow. Second operand 7 states and 1059 transitions. [2024-11-16 23:36:06,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 277 transitions, 882 flow [2024-11-16 23:36:06,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 277 transitions, 876 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:06,742 INFO L231 Difference]: Finished difference. Result has 186 places, 213 transitions, 695 flow [2024-11-16 23:36:06,742 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=695, PETRI_PLACES=186, PETRI_TRANSITIONS=213} [2024-11-16 23:36:06,743 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 23 predicate places. [2024-11-16 23:36:06,743 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 213 transitions, 695 flow [2024-11-16 23:36:06,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 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 23:36:06,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:06,745 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:06,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:36:06,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-16 23:36:06,949 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:06,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1767081384, now seen corresponding path program 1 times [2024-11-16 23:36:06,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:06,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842690374] [2024-11-16 23:36:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:07,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:07,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842690374] [2024-11-16 23:36:07,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842690374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:07,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412878574] [2024-11-16 23:36:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:07,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:07,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:07,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:07,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:36:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:07,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:36:07,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:07,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:36:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412878574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:36:07,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:36:07,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-16 23:36:07,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706511869] [2024-11-16 23:36:07,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:36:07,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 23:36:07,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:07,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 23:36:07,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 23:36:07,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:36:07,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 213 transitions, 695 flow. Second operand has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 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 23:36:07,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:07,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:36:07,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:07,670 INFO L124 PetriNetUnfolderBase]: 127/846 cut-off events. [2024-11-16 23:36:07,671 INFO L125 PetriNetUnfolderBase]: For 169/184 co-relation queries the response was YES. [2024-11-16 23:36:07,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 846 events. 127/846 cut-off events. For 169/184 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4663 event pairs, 45 based on Foata normal form. 4/831 useless extension candidates. Maximal degree in co-relation 1547. Up to 132 conditions per place. [2024-11-16 23:36:07,678 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 20 selfloop transitions, 21 changer transitions 0/231 dead transitions. [2024-11-16 23:36:07,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 231 transitions, 865 flow [2024-11-16 23:36:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:36:07,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:36:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3090 transitions. [2024-11-16 23:36:07,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908289241622575 [2024-11-16 23:36:07,685 INFO L175 Difference]: Start difference. First operand has 186 places, 213 transitions, 695 flow. Second operand 21 states and 3090 transitions. [2024-11-16 23:36:07,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 231 transitions, 865 flow [2024-11-16 23:36:07,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 231 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:36:07,696 INFO L231 Difference]: Finished difference. Result has 210 places, 226 transitions, 824 flow [2024-11-16 23:36:07,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=824, PETRI_PLACES=210, PETRI_TRANSITIONS=226} [2024-11-16 23:36:07,699 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 47 predicate places. [2024-11-16 23:36:07,700 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 226 transitions, 824 flow [2024-11-16 23:36:07,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 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 23:36:07,702 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:07,702 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:07,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 23:36:07,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:07,903 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:07,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:07,904 INFO L85 PathProgramCache]: Analyzing trace with hash -2037272256, now seen corresponding path program 2 times [2024-11-16 23:36:07,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:07,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828685073] [2024-11-16 23:36:07,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:07,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:08,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:08,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828685073] [2024-11-16 23:36:08,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828685073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:08,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112089993] [2024-11-16 23:36:08,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:36:08,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:08,246 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:08,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:36:08,335 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 23:36:08,336 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:36:08,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-16 23:36:08,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:08,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-16 23:36:08,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-16 23:36:08,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:08,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-16 23:36:08,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 23:36:08,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-16 23:36:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-16 23:36:08,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:36:08,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112089993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:08,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:36:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-11-16 23:36:08,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784972607] [2024-11-16 23:36:08,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:08,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:36:08,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:08,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:36:08,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-16 23:36:09,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 162 [2024-11-16 23:36:09,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 226 transitions, 824 flow. Second operand has 7 states, 7 states have (on average 143.14285714285714) internal successors, (1002), 7 states have internal predecessors, (1002), 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 23:36:09,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:09,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 162 [2024-11-16 23:36:09,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:09,191 INFO L124 PetriNetUnfolderBase]: 141/908 cut-off events. [2024-11-16 23:36:09,191 INFO L125 PetriNetUnfolderBase]: For 160/182 co-relation queries the response was YES. [2024-11-16 23:36:09,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 908 events. 141/908 cut-off events. For 160/182 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5140 event pairs, 49 based on Foata normal form. 3/889 useless extension candidates. Maximal degree in co-relation 1635. Up to 129 conditions per place. [2024-11-16 23:36:09,200 INFO L140 encePairwiseOnDemand]: 155/162 looper letters, 20 selfloop transitions, 6 changer transitions 0/233 dead transitions. [2024-11-16 23:36:09,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 233 transitions, 890 flow [2024-11-16 23:36:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:36:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:36:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1021 transitions. [2024-11-16 23:36:09,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900352733686067 [2024-11-16 23:36:09,203 INFO L175 Difference]: Start difference. First operand has 210 places, 226 transitions, 824 flow. Second operand 7 states and 1021 transitions. [2024-11-16 23:36:09,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 233 transitions, 890 flow [2024-11-16 23:36:09,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 233 transitions, 866 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-16 23:36:09,212 INFO L231 Difference]: Finished difference. Result has 209 places, 225 transitions, 810 flow [2024-11-16 23:36:09,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=810, PETRI_PLACES=209, PETRI_TRANSITIONS=225} [2024-11-16 23:36:09,213 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 46 predicate places. [2024-11-16 23:36:09,213 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 225 transitions, 810 flow [2024-11-16 23:36:09,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 143.14285714285714) internal successors, (1002), 7 states have internal predecessors, (1002), 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 23:36:09,214 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:09,215 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:09,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-16 23:36:09,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:09,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:09,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1690608544, now seen corresponding path program 1 times [2024-11-16 23:36:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319421166] [2024-11-16 23:36:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:09,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:09,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319421166] [2024-11-16 23:36:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319421166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:36:09,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097914021] [2024-11-16 23:36:09,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:09,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:09,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:36:09,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 23:36:09,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:36:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:09,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 23:36:09,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:36:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:09,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:36:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:36:10,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097914021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:36:10,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:36:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-16 23:36:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431600622] [2024-11-16 23:36:10,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:36:10,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 23:36:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:10,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 23:36:10,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-16 23:36:10,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-16 23:36:10,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 225 transitions, 810 flow. Second operand has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 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 23:36:10,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:10,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-16 23:36:10,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:10,708 INFO L124 PetriNetUnfolderBase]: 127/863 cut-off events. [2024-11-16 23:36:10,708 INFO L125 PetriNetUnfolderBase]: For 324/339 co-relation queries the response was YES. [2024-11-16 23:36:10,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 863 events. 127/863 cut-off events. For 324/339 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4679 event pairs, 45 based on Foata normal form. 3/848 useless extension candidates. Maximal degree in co-relation 1640. Up to 132 conditions per place. [2024-11-16 23:36:10,715 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 23 selfloop transitions, 30 changer transitions 0/242 dead transitions. [2024-11-16 23:36:10,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 242 transitions, 1038 flow [2024-11-16 23:36:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 23:36:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-16 23:36:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4406 transitions. [2024-11-16 23:36:10,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065843621399177 [2024-11-16 23:36:10,725 INFO L175 Difference]: Start difference. First operand has 209 places, 225 transitions, 810 flow. Second operand 30 states and 4406 transitions. [2024-11-16 23:36:10,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 242 transitions, 1038 flow [2024-11-16 23:36:10,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 242 transitions, 1026 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:36:10,732 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 950 flow [2024-11-16 23:36:10,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=950, PETRI_PLACES=236, PETRI_TRANSITIONS=235} [2024-11-16 23:36:10,733 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 73 predicate places. [2024-11-16 23:36:10,733 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 950 flow [2024-11-16 23:36:10,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 147.08695652173913) internal successors, (3383), 23 states have internal predecessors, (3383), 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 23:36:10,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:10,736 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:10,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:36:10,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:36:10,938 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:10,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:10,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1117858322, now seen corresponding path program 2 times [2024-11-16 23:36:10,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:10,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127789252] [2024-11-16 23:36:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:10,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:11,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:11,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127789252] [2024-11-16 23:36:11,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127789252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:11,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:11,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470292538] [2024-11-16 23:36:11,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:11,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:11,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:11,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:11,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 162 [2024-11-16 23:36:11,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 950 flow. Second operand has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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 23:36:11,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:11,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 162 [2024-11-16 23:36:11,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:12,125 INFO L124 PetriNetUnfolderBase]: 445/1518 cut-off events. [2024-11-16 23:36:12,125 INFO L125 PetriNetUnfolderBase]: For 740/777 co-relation queries the response was YES. [2024-11-16 23:36:12,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3683 conditions, 1518 events. 445/1518 cut-off events. For 740/777 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9362 event pairs, 117 based on Foata normal form. 24/1519 useless extension candidates. Maximal degree in co-relation 3662. Up to 640 conditions per place. [2024-11-16 23:36:12,136 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 109 selfloop transitions, 53 changer transitions 6/326 dead transitions. [2024-11-16 23:36:12,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 326 transitions, 1654 flow [2024-11-16 23:36:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:12,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 888 transitions. [2024-11-16 23:36:12,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-11-16 23:36:12,139 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 950 flow. Second operand 6 states and 888 transitions. [2024-11-16 23:36:12,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 326 transitions, 1654 flow [2024-11-16 23:36:12,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 326 transitions, 1608 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-16 23:36:12,148 INFO L231 Difference]: Finished difference. Result has 228 places, 286 transitions, 1410 flow [2024-11-16 23:36:12,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1410, PETRI_PLACES=228, PETRI_TRANSITIONS=286} [2024-11-16 23:36:12,149 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 65 predicate places. [2024-11-16 23:36:12,150 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 286 transitions, 1410 flow [2024-11-16 23:36:12,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 132.33333333333334) internal successors, (794), 6 states have internal predecessors, (794), 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 23:36:12,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:12,150 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:12,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:36:12,151 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:12,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1268825154, now seen corresponding path program 1 times [2024-11-16 23:36:12,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:12,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636912177] [2024-11-16 23:36:12,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:12,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:12,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:12,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636912177] [2024-11-16 23:36:12,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636912177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:12,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:12,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:12,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995507692] [2024-11-16 23:36:12,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:12,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:12,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:12,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:12,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:13,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 162 [2024-11-16 23:36:13,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 286 transitions, 1410 flow. Second operand has 6 states, 6 states have (on average 140.5) internal successors, (843), 6 states have internal predecessors, (843), 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 23:36:13,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:13,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 162 [2024-11-16 23:36:13,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:13,273 INFO L124 PetriNetUnfolderBase]: 255/1258 cut-off events. [2024-11-16 23:36:13,274 INFO L125 PetriNetUnfolderBase]: For 1006/1071 co-relation queries the response was YES. [2024-11-16 23:36:13,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3055 conditions, 1258 events. 255/1258 cut-off events. For 1006/1071 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7970 event pairs, 57 based on Foata normal form. 9/1247 useless extension candidates. Maximal degree in co-relation 3029. Up to 215 conditions per place. [2024-11-16 23:36:13,282 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 25 selfloop transitions, 5 changer transitions 0/293 dead transitions. [2024-11-16 23:36:13,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 293 transitions, 1484 flow [2024-11-16 23:36:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 859 transitions. [2024-11-16 23:36:13,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8837448559670782 [2024-11-16 23:36:13,285 INFO L175 Difference]: Start difference. First operand has 228 places, 286 transitions, 1410 flow. Second operand 6 states and 859 transitions. [2024-11-16 23:36:13,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 293 transitions, 1484 flow [2024-11-16 23:36:13,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 293 transitions, 1476 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-16 23:36:13,297 INFO L231 Difference]: Finished difference. Result has 232 places, 285 transitions, 1410 flow [2024-11-16 23:36:13,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1400, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1410, PETRI_PLACES=232, PETRI_TRANSITIONS=285} [2024-11-16 23:36:13,298 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 69 predicate places. [2024-11-16 23:36:13,298 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 285 transitions, 1410 flow [2024-11-16 23:36:13,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.5) internal successors, (843), 6 states have internal predecessors, (843), 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 23:36:13,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:13,299 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:13,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:36:13,299 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:13,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash 67409292, now seen corresponding path program 1 times [2024-11-16 23:36:13,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:13,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414424694] [2024-11-16 23:36:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:13,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:13,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414424694] [2024-11-16 23:36:13,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414424694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:13,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:13,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:36:13,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864733515] [2024-11-16 23:36:13,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:13,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:36:13,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:13,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:36:13,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:36:14,127 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-16 23:36:14,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 285 transitions, 1410 flow. Second operand has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 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 23:36:14,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:14,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-16 23:36:14,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:14,568 INFO L124 PetriNetUnfolderBase]: 594/1889 cut-off events. [2024-11-16 23:36:14,569 INFO L125 PetriNetUnfolderBase]: For 2413/2458 co-relation queries the response was YES. [2024-11-16 23:36:14,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5697 conditions, 1889 events. 594/1889 cut-off events. For 2413/2458 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 12338 event pairs, 150 based on Foata normal form. 25/1882 useless extension candidates. Maximal degree in co-relation 5670. Up to 891 conditions per place. [2024-11-16 23:36:14,582 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 122 selfloop transitions, 58 changer transitions 39/377 dead transitions. [2024-11-16 23:36:14,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 377 transitions, 2372 flow [2024-11-16 23:36:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:36:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:36:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 870 transitions. [2024-11-16 23:36:14,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950617283950617 [2024-11-16 23:36:14,585 INFO L175 Difference]: Start difference. First operand has 232 places, 285 transitions, 1410 flow. Second operand 6 states and 870 transitions. [2024-11-16 23:36:14,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 377 transitions, 2372 flow [2024-11-16 23:36:14,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 377 transitions, 2362 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:36:14,599 INFO L231 Difference]: Finished difference. Result has 236 places, 312 transitions, 1808 flow [2024-11-16 23:36:14,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=1400, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1808, PETRI_PLACES=236, PETRI_TRANSITIONS=312} [2024-11-16 23:36:14,600 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 73 predicate places. [2024-11-16 23:36:14,600 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 312 transitions, 1808 flow [2024-11-16 23:36:14,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 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 23:36:14,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:36:14,601 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:36:14,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:36:14,601 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-16 23:36:14,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:36:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2063328311, now seen corresponding path program 1 times [2024-11-16 23:36:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:36:14,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680376851] [2024-11-16 23:36:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:36:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:36:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:36:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-16 23:36:14,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:36:14,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680376851] [2024-11-16 23:36:14,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680376851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:36:14,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:36:14,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:36:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654251239] [2024-11-16 23:36:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:36:14,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:36:14,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:36:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:36:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:36:14,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 162 [2024-11-16 23:36:14,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 312 transitions, 1808 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 23:36:14,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:36:14,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 162 [2024-11-16 23:36:14,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:36:14,891 INFO L124 PetriNetUnfolderBase]: 6/303 cut-off events. [2024-11-16 23:36:14,892 INFO L125 PetriNetUnfolderBase]: For 284/284 co-relation queries the response was YES. [2024-11-16 23:36:14,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 303 events. 6/303 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 322 event pairs, 3 based on Foata normal form. 2/305 useless extension candidates. Maximal degree in co-relation 668. Up to 23 conditions per place. [2024-11-16 23:36:14,893 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2024-11-16 23:36:14,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 186 transitions, 742 flow [2024-11-16 23:36:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:36:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:36:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-16 23:36:14,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9650205761316872 [2024-11-16 23:36:14,895 INFO L175 Difference]: Start difference. First operand has 236 places, 312 transitions, 1808 flow. Second operand 3 states and 469 transitions. [2024-11-16 23:36:14,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 186 transitions, 742 flow [2024-11-16 23:36:14,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 186 transitions, 602 flow, removed 30 selfloop flow, removed 29 redundant places. [2024-11-16 23:36:14,899 INFO L231 Difference]: Finished difference. Result has 205 places, 0 transitions, 0 flow [2024-11-16 23:36:14,900 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=205, PETRI_TRANSITIONS=0} [2024-11-16 23:36:14,900 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 42 predicate places. [2024-11-16 23:36:14,900 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 0 transitions, 0 flow [2024-11-16 23:36:14,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 23:36:14,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-16 23:36:14,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-16 23:36:14,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-16 23:36:14,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:36:14,905 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-16 23:36:14,911 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:36:14,911 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:36:14,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:36:14 BasicIcfg [2024-11-16 23:36:14,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:36:14,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:36:14,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:36:14,919 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:36:14,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:36:03" (3/4) ... [2024-11-16 23:36:14,920 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:36:14,923 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-16 23:36:14,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-16 23:36:14,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:36:14,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-16 23:36:15,016 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:36:15,016 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:36:15,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:36:15,017 INFO L158 Benchmark]: Toolchain (without parser) took 13225.20ms. Allocated memory was 186.6MB in the beginning and 327.2MB in the end (delta: 140.5MB). Free memory was 125.3MB in the beginning and 219.8MB in the end (delta: -94.5MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,017 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:36:15,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.29ms. Allocated memory is still 186.6MB. Free memory was 125.3MB in the beginning and 142.8MB in the end (delta: -17.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.97ms. Allocated memory is still 186.6MB. Free memory was 142.8MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,018 INFO L158 Benchmark]: Boogie Preprocessor took 32.58ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,018 INFO L158 Benchmark]: IcfgBuilder took 670.02ms. Allocated memory is still 186.6MB. Free memory was 138.6MB in the beginning and 115.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,018 INFO L158 Benchmark]: TraceAbstraction took 11716.34ms. Allocated memory was 186.6MB in the beginning and 327.2MB in the end (delta: 140.5MB). Free memory was 114.3MB in the beginning and 225.1MB in the end (delta: -110.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,018 INFO L158 Benchmark]: Witness Printer took 97.87ms. Allocated memory is still 327.2MB. Free memory was 225.1MB in the beginning and 219.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:36:15,019 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.29ms. Allocated memory is still 186.6MB. Free memory was 125.3MB in the beginning and 142.8MB in the end (delta: -17.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.97ms. Allocated memory is still 186.6MB. Free memory was 142.8MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.58ms. Allocated memory is still 186.6MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 670.02ms. Allocated memory is still 186.6MB. Free memory was 138.6MB in the beginning and 115.1MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11716.34ms. Allocated memory was 186.6MB in the beginning and 327.2MB in the end (delta: 140.5MB). Free memory was 114.3MB in the beginning and 225.1MB in the end (delta: -110.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Witness Printer took 97.87ms. Allocated memory is still 327.2MB. Free memory was 225.1MB in the beginning and 219.8MB 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: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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 3 procedures, 189 locations, 9 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: 11.6s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1248 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 822 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2568 IncrementalHoareTripleChecker+Invalid, 2934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 70 mSDtfsCounter, 2568 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 872 SyntacticMatches, 11 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1808occurred in iteration=10, InterpolantAutomatonStates: 100, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1909 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2283 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1123 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 1324/1986 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:36:15,048 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