./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-023d838-m [2024-11-10 14:29:13,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:29:13,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:29:13,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:29:13,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:29:13,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:29:13,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:29:13,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:29:13,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:29:13,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:29:13,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:29:13,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:29:13,140 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:29:13,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:29:13,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:29:13,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:29:13,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:29:13,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:29:13,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:29:13,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:29:13,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:29:13,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:29:13,142 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:29:13,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:29:13,143 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:29:13,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:29:13,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:29:13,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:29:13,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:29:13,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:29:13,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:29:13,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:29:13,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:29:13,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:29:13,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:29:13,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:29:13,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:29:13,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:29:13,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:29:13,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:29:13,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:29:13,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9205365dcda04af07212d180b1c6367c5de79b6e0d2e09ec11b949fed58626f5 [2024-11-10 14:29:13,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:29:13,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:29:13,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:29:13,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:29:13,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:29:13,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i [2024-11-10 14:29:14,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:29:14,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:29:14,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_23-idxsense_nr.i [2024-11-10 14:29:15,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68dc6931/03705978bc7842d3a9ef750b232e0171/FLAG6c8fae840 [2024-11-10 14:29:15,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68dc6931/03705978bc7842d3a9ef750b232e0171 [2024-11-10 14:29:15,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:29:15,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:29:15,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:29:15,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:29:15,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:29:15,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8c5cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15, skipping insertion in model container [2024-11-10 14:29:15,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:29:15,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:29:15,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:29:15,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:29:15,415 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:29:15,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15 WrapperNode [2024-11-10 14:29:15,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:29:15,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:29:15,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:29:15,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:29:15,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,454 INFO L138 Inliner]: procedures = 162, calls = 77, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 132 [2024-11-10 14:29:15,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:29:15,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:29:15,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:29:15,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:29:15,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:29:15,482 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:29:15,482 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:29:15,482 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:29:15,483 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (1/1) ... [2024-11-10 14:29:15,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:29:15,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:15,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:29:15,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:29:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:29:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:29:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:29:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:29:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:29:15,574 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:29:15,741 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:29:15,747 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:29:15,959 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:29:15,959 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:29:15,988 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:29:15,988 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:29:15,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:29:15 BoogieIcfgContainer [2024-11-10 14:29:15,989 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:29:15,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:29:15,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:29:15,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:29:15,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:29:15" (1/3) ... [2024-11-10 14:29:15,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434559c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:29:15, skipping insertion in model container [2024-11-10 14:29:15,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:29:15" (2/3) ... [2024-11-10 14:29:15,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434559c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:29:15, skipping insertion in model container [2024-11-10 14:29:15,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:29:15" (3/3) ... [2024-11-10 14:29:15,996 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_23-idxsense_nr.i [2024-11-10 14:29:16,008 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:29:16,008 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 14:29:16,009 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:29:16,087 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:29:16,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 328 flow [2024-11-10 14:29:16,166 INFO L124 PetriNetUnfolderBase]: 2/161 cut-off events. [2024-11-10 14:29:16,167 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:16,170 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. [2024-11-10 14:29:16,171 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 328 flow [2024-11-10 14:29:16,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 161 transitions, 325 flow [2024-11-10 14:29:16,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:29:16,193 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;@4e8f1a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:29:16,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-10 14:29:16,221 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:29:16,221 INFO L124 PetriNetUnfolderBase]: 2/100 cut-off events. [2024-11-10 14:29:16,221 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:16,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:16,223 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] [2024-11-10 14:29:16,223 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)] === [2024-11-10 14:29:16,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:16,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1032112247, now seen corresponding path program 1 times [2024-11-10 14:29:16,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:16,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558573298] [2024-11-10 14:29:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:16,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558573298] [2024-11-10 14:29:16,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558573298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:16,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:16,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:29:16,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567071973] [2024-11-10 14:29:16,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:16,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:29:16,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:29:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:29:16,580 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 162 [2024-11-10 14:29:16,589 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) [2024-11-10 14:29:16,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:16,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 162 [2024-11-10 14:29:16,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:16,683 INFO L124 PetriNetUnfolderBase]: 9/268 cut-off events. [2024-11-10 14:29:16,683 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:29:16,687 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. [2024-11-10 14:29:16,689 INFO L140 encePairwiseOnDemand]: 161/162 looper letters, 7 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2024-11-10 14:29:16,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 337 flow [2024-11-10 14:29:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:29:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:29:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 316 transitions. [2024-11-10 14:29:16,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9753086419753086 [2024-11-10 14:29:16,702 INFO L175 Difference]: Start difference. First operand has 163 places, 161 transitions, 325 flow. Second operand 2 states and 316 transitions. [2024-11-10 14:29:16,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 337 flow [2024-11-10 14:29:16,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:16,710 INFO L231 Difference]: Finished difference. Result has 163 places, 160 transitions, 322 flow [2024-11-10 14:29:16,711 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} [2024-11-10 14:29:16,715 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 0 predicate places. [2024-11-10 14:29:16,715 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 160 transitions, 322 flow [2024-11-10 14:29:16,716 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) [2024-11-10 14:29:16,716 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:16,716 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] [2024-11-10 14:29:16,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:29:16,717 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)] === [2024-11-10 14:29:16,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:16,718 INFO L85 PathProgramCache]: Analyzing trace with hash -492597018, now seen corresponding path program 1 times [2024-11-10 14:29:16,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:16,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069141657] [2024-11-10 14:29:16,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:16,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:16,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:16,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069141657] [2024-11-10 14:29:16,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069141657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:16,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:16,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:29:16,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33647044] [2024-11-10 14:29:16,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:16,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:29:16,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:29:16,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:29:16,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 162 [2024-11-10 14:29:16,870 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) [2024-11-10 14:29:16,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:16,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 162 [2024-11-10 14:29:16,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:16,927 INFO L124 PetriNetUnfolderBase]: 11/300 cut-off events. [2024-11-10 14:29:16,927 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:29:16,928 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. [2024-11-10 14:29:16,929 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 12 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-10 14:29:16,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 352 flow [2024-11-10 14:29:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:29:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:29:16,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2024-11-10 14:29:16,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-10 14:29:16,932 INFO L175 Difference]: Start difference. First operand has 163 places, 160 transitions, 322 flow. Second operand 3 states and 459 transitions. [2024-11-10 14:29:16,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 352 flow [2024-11-10 14:29:16,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 161 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:16,935 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 334 flow [2024-11-10 14:29:16,936 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} [2024-11-10 14:29:16,940 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 3 predicate places. [2024-11-10 14:29:16,940 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 334 flow [2024-11-10 14:29:16,940 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) [2024-11-10 14:29:16,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:16,940 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] [2024-11-10 14:29:16,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:29:16,941 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)] === [2024-11-10 14:29:16,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:16,941 INFO L85 PathProgramCache]: Analyzing trace with hash -47108864, now seen corresponding path program 1 times [2024-11-10 14:29:16,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:16,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646721698] [2024-11-10 14:29:16,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:16,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:17,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:17,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646721698] [2024-11-10 14:29:17,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646721698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:17,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632710559] [2024-11-10 14:29:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:17,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:17,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:17,112 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) [2024-11-10 14:29:17,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:29:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:17,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:29:17,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:17,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:17,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632710559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:17,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:17,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:29:17,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224628269] [2024-11-10 14:29:17,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:17,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:29:17,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:29:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:29:17,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:17,418 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) [2024-11-10 14:29:17,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:17,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:17,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:17,546 INFO L124 PetriNetUnfolderBase]: 11/309 cut-off events. [2024-11-10 14:29:17,547 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:29:17,547 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. [2024-11-10 14:29:17,548 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 16 selfloop transitions, 9 changer transitions 0/169 dead transitions. [2024-11-10 14:29:17,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 402 flow [2024-11-10 14:29:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:29:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:29:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1332 transitions. [2024-11-10 14:29:17,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-11-10 14:29:17,551 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 334 flow. Second operand 9 states and 1332 transitions. [2024-11-10 14:29:17,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 402 flow [2024-11-10 14:29:17,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 169 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:17,553 INFO L231 Difference]: Finished difference. Result has 176 places, 167 transitions, 382 flow [2024-11-10 14:29:17,554 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} [2024-11-10 14:29:17,554 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 13 predicate places. [2024-11-10 14:29:17,554 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 167 transitions, 382 flow [2024-11-10 14:29:17,555 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) [2024-11-10 14:29:17,555 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:17,556 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] [2024-11-10 14:29:17,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 14:29:17,759 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 [2024-11-10 14:29:17,760 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)] === [2024-11-10 14:29:17,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1513221452, now seen corresponding path program 2 times [2024-11-10 14:29:17,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:17,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595911865] [2024-11-10 14:29:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:17,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:17,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595911865] [2024-11-10 14:29:17,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595911865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:17,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589675339] [2024-11-10 14:29:17,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:29:17,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:17,959 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) [2024-11-10 14:29:17,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:29:18,032 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:29:18,033 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:29:18,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:29:18,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:18,182 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 [2024-11-10 14:29:18,202 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 [2024-11-10 14:29:18,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:18,234 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 [2024-11-10 14:29:18,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:18,271 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 [2024-11-10 14:29:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 14:29:18,300 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:29:18,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589675339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:18,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:29:18,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-10 14:29:18,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922223958] [2024-11-10 14:29:18,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:18,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:29:18,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:18,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:29:18,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:29:18,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 162 [2024-11-10 14:29:18,628 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) [2024-11-10 14:29:18,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:18,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 162 [2024-11-10 14:29:18,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:18,908 INFO L124 PetriNetUnfolderBase]: 285/1096 cut-off events. [2024-11-10 14:29:18,909 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:29:18,911 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. [2024-11-10 14:29:18,914 INFO L140 encePairwiseOnDemand]: 139/162 looper letters, 97 selfloop transitions, 43 changer transitions 0/277 dead transitions. [2024-11-10 14:29:18,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 277 transitions, 882 flow [2024-11-10 14:29:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:29:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 14:29:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1059 transitions. [2024-11-10 14:29:18,918 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9338624338624338 [2024-11-10 14:29:18,918 INFO L175 Difference]: Start difference. First operand has 176 places, 167 transitions, 382 flow. Second operand 7 states and 1059 transitions. [2024-11-10 14:29:18,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 277 transitions, 882 flow [2024-11-10 14:29:18,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 277 transitions, 876 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:18,923 INFO L231 Difference]: Finished difference. Result has 186 places, 213 transitions, 695 flow [2024-11-10 14:29:18,923 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} [2024-11-10 14:29:18,923 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 23 predicate places. [2024-11-10 14:29:18,924 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 213 transitions, 695 flow [2024-11-10 14:29:18,925 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) [2024-11-10 14:29:18,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:18,927 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] [2024-11-10 14:29:18,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:29:19,130 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 [2024-11-10 14:29:19,131 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)] === [2024-11-10 14:29:19,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:19,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1767081384, now seen corresponding path program 1 times [2024-11-10 14:29:19,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:19,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500147558] [2024-11-10 14:29:19,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:19,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500147558] [2024-11-10 14:29:19,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500147558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:19,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33684646] [2024-11-10 14:29:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:19,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:19,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:19,269 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) [2024-11-10 14:29:19,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:29:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:19,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:29:19,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:19,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:19,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33684646] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:19,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:19,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-10 14:29:19,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647402770] [2024-11-10 14:29:19,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:19,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 14:29:19,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:19,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 14:29:19,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 14:29:19,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:19,551 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) [2024-11-10 14:29:19,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:19,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:19,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:19,748 INFO L124 PetriNetUnfolderBase]: 127/846 cut-off events. [2024-11-10 14:29:19,748 INFO L125 PetriNetUnfolderBase]: For 169/184 co-relation queries the response was YES. [2024-11-10 14:29:19,750 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. [2024-11-10 14:29:19,752 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 20 selfloop transitions, 21 changer transitions 0/231 dead transitions. [2024-11-10 14:29:19,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 231 transitions, 865 flow [2024-11-10 14:29:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:29:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:29:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3090 transitions. [2024-11-10 14:29:19,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908289241622575 [2024-11-10 14:29:19,756 INFO L175 Difference]: Start difference. First operand has 186 places, 213 transitions, 695 flow. Second operand 21 states and 3090 transitions. [2024-11-10 14:29:19,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 231 transitions, 865 flow [2024-11-10 14:29:19,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 231 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:29:19,762 INFO L231 Difference]: Finished difference. Result has 210 places, 226 transitions, 824 flow [2024-11-10 14:29:19,762 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} [2024-11-10 14:29:19,762 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 47 predicate places. [2024-11-10 14:29:19,763 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 226 transitions, 824 flow [2024-11-10 14:29:19,764 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) [2024-11-10 14:29:19,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:19,765 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] [2024-11-10 14:29:19,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:29:19,965 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 [2024-11-10 14:29:19,966 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)] === [2024-11-10 14:29:19,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:19,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2037272256, now seen corresponding path program 2 times [2024-11-10 14:29:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:19,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755193510] [2024-11-10 14:29:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:19,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755193510] [2024-11-10 14:29:20,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755193510] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:20,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443238381] [2024-11-10 14:29:20,290 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:29:20,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:20,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:20,293 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) [2024-11-10 14:29:20,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:29:20,354 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:29:20,354 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:29:20,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 14:29:20,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:20,471 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 [2024-11-10 14:29:20,489 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 [2024-11-10 14:29:20,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:20,512 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 [2024-11-10 14:29:20,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:29:20,549 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 [2024-11-10 14:29:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-10 14:29:20,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:29:20,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443238381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:20,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:29:20,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22 [2024-11-10 14:29:20,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200397668] [2024-11-10 14:29:20,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:20,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:29:20,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:20,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:29:20,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-10 14:29:20,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 162 [2024-11-10 14:29:20,963 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) [2024-11-10 14:29:20,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:20,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 162 [2024-11-10 14:29:20,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:21,060 INFO L124 PetriNetUnfolderBase]: 141/908 cut-off events. [2024-11-10 14:29:21,061 INFO L125 PetriNetUnfolderBase]: For 160/182 co-relation queries the response was YES. [2024-11-10 14:29:21,062 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. [2024-11-10 14:29:21,064 INFO L140 encePairwiseOnDemand]: 155/162 looper letters, 20 selfloop transitions, 6 changer transitions 0/233 dead transitions. [2024-11-10 14:29:21,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 233 transitions, 890 flow [2024-11-10 14:29:21,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:29:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 14:29:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1021 transitions. [2024-11-10 14:29:21,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.900352733686067 [2024-11-10 14:29:21,067 INFO L175 Difference]: Start difference. First operand has 210 places, 226 transitions, 824 flow. Second operand 7 states and 1021 transitions. [2024-11-10 14:29:21,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 233 transitions, 890 flow [2024-11-10 14:29:21,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 233 transitions, 866 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 14:29:21,071 INFO L231 Difference]: Finished difference. Result has 209 places, 225 transitions, 810 flow [2024-11-10 14:29:21,071 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} [2024-11-10 14:29:21,072 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 46 predicate places. [2024-11-10 14:29:21,072 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 225 transitions, 810 flow [2024-11-10 14:29:21,073 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) [2024-11-10 14:29:21,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:21,073 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] [2024-11-10 14:29:21,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 14:29:21,277 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 [2024-11-10 14:29:21,278 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)] === [2024-11-10 14:29:21,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1690608544, now seen corresponding path program 1 times [2024-11-10 14:29:21,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897490941] [2024-11-10 14:29:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:21,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:21,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:21,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897490941] [2024-11-10 14:29:21,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897490941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:29:21,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207653055] [2024-11-10 14:29:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:21,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:29:21,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:29:21,592 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) [2024-11-10 14:29:21,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:29:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:21,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:29:21,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:29:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:21,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:29:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:29:21,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207653055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:29:21,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:29:21,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-10 14:29:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457667342] [2024-11-10 14:29:21,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:29:21,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 14:29:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 14:29:21,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:29:21,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 162 [2024-11-10 14:29:21,924 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) [2024-11-10 14:29:21,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:21,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 162 [2024-11-10 14:29:21,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:22,250 INFO L124 PetriNetUnfolderBase]: 127/863 cut-off events. [2024-11-10 14:29:22,250 INFO L125 PetriNetUnfolderBase]: For 324/339 co-relation queries the response was YES. [2024-11-10 14:29:22,252 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. [2024-11-10 14:29:22,254 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 23 selfloop transitions, 30 changer transitions 0/242 dead transitions. [2024-11-10 14:29:22,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 242 transitions, 1038 flow [2024-11-10 14:29:22,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 14:29:22,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-10 14:29:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4406 transitions. [2024-11-10 14:29:22,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065843621399177 [2024-11-10 14:29:22,261 INFO L175 Difference]: Start difference. First operand has 209 places, 225 transitions, 810 flow. Second operand 30 states and 4406 transitions. [2024-11-10 14:29:22,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 242 transitions, 1038 flow [2024-11-10 14:29:22,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 242 transitions, 1026 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:29:22,272 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 950 flow [2024-11-10 14:29:22,272 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} [2024-11-10 14:29:22,273 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 73 predicate places. [2024-11-10 14:29:22,273 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 950 flow [2024-11-10 14:29:22,274 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) [2024-11-10 14:29:22,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:22,274 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] [2024-11-10 14:29:22,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:29:22,475 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 [2024-11-10 14:29:22,476 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)] === [2024-11-10 14:29:22,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1117858322, now seen corresponding path program 2 times [2024-11-10 14:29:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:22,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883482801] [2024-11-10 14:29:22,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:22,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:22,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883482801] [2024-11-10 14:29:22,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883482801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:22,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:22,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:29:22,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240511022] [2024-11-10 14:29:22,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:22,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:22,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:22,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:22,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:29:23,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 162 [2024-11-10 14:29:23,165 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) [2024-11-10 14:29:23,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:23,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 162 [2024-11-10 14:29:23,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:23,406 INFO L124 PetriNetUnfolderBase]: 445/1518 cut-off events. [2024-11-10 14:29:23,406 INFO L125 PetriNetUnfolderBase]: For 740/777 co-relation queries the response was YES. [2024-11-10 14:29:23,408 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. [2024-11-10 14:29:23,412 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 109 selfloop transitions, 53 changer transitions 6/326 dead transitions. [2024-11-10 14:29:23,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 326 transitions, 1654 flow [2024-11-10 14:29:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 888 transitions. [2024-11-10 14:29:23,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2024-11-10 14:29:23,414 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 950 flow. Second operand 6 states and 888 transitions. [2024-11-10 14:29:23,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 326 transitions, 1654 flow [2024-11-10 14:29:23,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 326 transitions, 1608 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-10 14:29:23,419 INFO L231 Difference]: Finished difference. Result has 228 places, 286 transitions, 1410 flow [2024-11-10 14:29:23,420 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} [2024-11-10 14:29:23,420 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 65 predicate places. [2024-11-10 14:29:23,420 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 286 transitions, 1410 flow [2024-11-10 14:29:23,421 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) [2024-11-10 14:29:23,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:23,421 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] [2024-11-10 14:29:23,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:29:23,421 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)] === [2024-11-10 14:29:23,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:23,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1268825154, now seen corresponding path program 1 times [2024-11-10 14:29:23,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:23,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442736469] [2024-11-10 14:29:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:23,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:23,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442736469] [2024-11-10 14:29:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442736469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:23,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:23,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:29:23,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371116136] [2024-11-10 14:29:23,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:23,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:29:24,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 162 [2024-11-10 14:29:24,054 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) [2024-11-10 14:29:24,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:24,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 162 [2024-11-10 14:29:24,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:24,195 INFO L124 PetriNetUnfolderBase]: 255/1258 cut-off events. [2024-11-10 14:29:24,195 INFO L125 PetriNetUnfolderBase]: For 1006/1071 co-relation queries the response was YES. [2024-11-10 14:29:24,197 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. [2024-11-10 14:29:24,200 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 25 selfloop transitions, 5 changer transitions 0/293 dead transitions. [2024-11-10 14:29:24,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 293 transitions, 1484 flow [2024-11-10 14:29:24,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 859 transitions. [2024-11-10 14:29:24,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8837448559670782 [2024-11-10 14:29:24,203 INFO L175 Difference]: Start difference. First operand has 228 places, 286 transitions, 1410 flow. Second operand 6 states and 859 transitions. [2024-11-10 14:29:24,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 293 transitions, 1484 flow [2024-11-10 14:29:24,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 293 transitions, 1476 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-10 14:29:24,211 INFO L231 Difference]: Finished difference. Result has 232 places, 285 transitions, 1410 flow [2024-11-10 14:29:24,211 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} [2024-11-10 14:29:24,212 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 69 predicate places. [2024-11-10 14:29:24,212 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 285 transitions, 1410 flow [2024-11-10 14:29:24,212 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) [2024-11-10 14:29:24,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:24,213 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] [2024-11-10 14:29:24,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:29:24,213 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)] === [2024-11-10 14:29:24,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:24,213 INFO L85 PathProgramCache]: Analyzing trace with hash 67409292, now seen corresponding path program 1 times [2024-11-10 14:29:24,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:24,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116506263] [2024-11-10 14:29:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:24,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:24,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116506263] [2024-11-10 14:29:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116506263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:24,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:29:24,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996993121] [2024-11-10 14:29:24,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:24,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:29:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:29:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:29:24,844 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 162 [2024-11-10 14:29:24,844 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) [2024-11-10 14:29:24,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:24,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 162 [2024-11-10 14:29:24,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:25,139 INFO L124 PetriNetUnfolderBase]: 594/1889 cut-off events. [2024-11-10 14:29:25,140 INFO L125 PetriNetUnfolderBase]: For 2413/2458 co-relation queries the response was YES. [2024-11-10 14:29:25,146 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. [2024-11-10 14:29:25,152 INFO L140 encePairwiseOnDemand]: 145/162 looper letters, 122 selfloop transitions, 58 changer transitions 39/377 dead transitions. [2024-11-10 14:29:25,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 377 transitions, 2372 flow [2024-11-10 14:29:25,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:29:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:29:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 870 transitions. [2024-11-10 14:29:25,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950617283950617 [2024-11-10 14:29:25,155 INFO L175 Difference]: Start difference. First operand has 232 places, 285 transitions, 1410 flow. Second operand 6 states and 870 transitions. [2024-11-10 14:29:25,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 377 transitions, 2372 flow [2024-11-10 14:29:25,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 377 transitions, 2362 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:29:25,165 INFO L231 Difference]: Finished difference. Result has 236 places, 312 transitions, 1808 flow [2024-11-10 14:29:25,165 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} [2024-11-10 14:29:25,166 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 73 predicate places. [2024-11-10 14:29:25,166 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 312 transitions, 1808 flow [2024-11-10 14:29:25,166 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) [2024-11-10 14:29:25,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:29:25,167 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] [2024-11-10 14:29:25,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:29:25,167 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)] === [2024-11-10 14:29:25,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:29:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2063328311, now seen corresponding path program 1 times [2024-11-10 14:29:25,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:29:25,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715203552] [2024-11-10 14:29:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:29:25,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:29:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:29:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-10 14:29:25,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:29:25,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715203552] [2024-11-10 14:29:25,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715203552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:29:25,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:29:25,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:29:25,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496472892] [2024-11-10 14:29:25,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:29:25,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:29:25,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:29:25,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:29:25,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:29:25,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 162 [2024-11-10 14:29:25,337 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) [2024-11-10 14:29:25,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:29:25,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 162 [2024-11-10 14:29:25,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:29:25,368 INFO L124 PetriNetUnfolderBase]: 6/303 cut-off events. [2024-11-10 14:29:25,368 INFO L125 PetriNetUnfolderBase]: For 284/284 co-relation queries the response was YES. [2024-11-10 14:29:25,369 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. [2024-11-10 14:29:25,369 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 0 selfloop transitions, 0 changer transitions 186/186 dead transitions. [2024-11-10 14:29:25,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 186 transitions, 742 flow [2024-11-10 14:29:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:29:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:29:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-10 14:29:25,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9650205761316872 [2024-11-10 14:29:25,370 INFO L175 Difference]: Start difference. First operand has 236 places, 312 transitions, 1808 flow. Second operand 3 states and 469 transitions. [2024-11-10 14:29:25,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 186 transitions, 742 flow [2024-11-10 14:29:25,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 186 transitions, 602 flow, removed 30 selfloop flow, removed 29 redundant places. [2024-11-10 14:29:25,373 INFO L231 Difference]: Finished difference. Result has 205 places, 0 transitions, 0 flow [2024-11-10 14:29:25,373 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} [2024-11-10 14:29:25,374 INFO L277 CegarLoopForPetriNet]: 163 programPoint places, 42 predicate places. [2024-11-10 14:29:25,374 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 0 transitions, 0 flow [2024-11-10 14:29:25,374 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) [2024-11-10 14:29:25,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-10 14:29:25,384 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-10 14:29:25,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:29:25,385 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 14:29:25,390 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:29:25,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:29:25,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:29:25 BasicIcfg [2024-11-10 14:29:25,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:29:25,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:29:25,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:29:25,401 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:29:25,401 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:29:15" (3/4) ... [2024-11-10 14:29:25,403 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:29:25,405 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:29:25,409 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 14:29:25,409 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:29:25,410 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:29:25,483 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:29:25,483 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:29:25,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:29:25,484 INFO L158 Benchmark]: Toolchain (without parser) took 10451.44ms. Allocated memory was 159.4MB in the beginning and 440.4MB in the end (delta: 281.0MB). Free memory was 85.9MB in the beginning and 360.8MB in the end (delta: -274.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,484 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:29:25,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.26ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 61.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.15ms. Allocated memory is still 159.4MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,484 INFO L158 Benchmark]: Boogie Preprocessor took 26.06ms. Allocated memory is still 159.4MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,485 INFO L158 Benchmark]: IcfgBuilder took 507.19ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 170.7MB in the end (delta: -113.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,485 INFO L158 Benchmark]: TraceAbstraction took 9409.63ms. Allocated memory was 220.2MB in the beginning and 440.4MB in the end (delta: 220.2MB). Free memory was 169.7MB in the beginning and 366.0MB in the end (delta: -196.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,485 INFO L158 Benchmark]: Witness Printer took 82.52ms. Allocated memory is still 440.4MB. Free memory was 366.0MB in the beginning and 360.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:29:25,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.26ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 61.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.15ms. Allocated memory is still 159.4MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.06ms. Allocated memory is still 159.4MB. Free memory was 59.1MB in the beginning and 57.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 507.19ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 57.0MB in the beginning and 170.7MB in the end (delta: -113.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9409.63ms. Allocated memory was 220.2MB in the beginning and 440.4MB in the end (delta: 220.2MB). Free memory was 169.7MB in the beginning and 366.0MB in the end (delta: -196.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 82.52ms. Allocated memory is still 440.4MB. Free memory was 366.0MB in the beginning and 360.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 9.3s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1248 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 822 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 1.6s 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, 1.0s 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, 3.6s 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! [2024-11-10 14:29:25,529 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