./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/test-context1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:00:37,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:00:37,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:00:37,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:00:37,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:00:37,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:00:37,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:00:37,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:00:37,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:00:37,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:00:37,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:00:37,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:00:37,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:00:37,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:00:37,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:00:37,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:00:37,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:00:37,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:00:37,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:00:37,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:00:37,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:00:37,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:00:37,145 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:00:37,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:00:37,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:00:37,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:00:37,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:00:37,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:00:37,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:00:37,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:00:37,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:00:37,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:37,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:00:37,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:00:37,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:00:37,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:00:37,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:00:37,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:00:37,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:00:37,150 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:00:37,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:00:37,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2024-11-19 06:00:37,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:00:37,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:00:37,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:00:37,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:00:37,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:00:37,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-19 06:00:39,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:00:39,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:00:39,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-19 06:00:39,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108f1ddfe/51f43c1c3b934722856d21bfe3af2414/FLAG81820a342 [2024-11-19 06:00:39,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108f1ddfe/51f43c1c3b934722856d21bfe3af2414 [2024-11-19 06:00:39,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:00:39,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:00:39,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:39,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:00:39,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:00:39,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e867097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39, skipping insertion in model container [2024-11-19 06:00:39,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:00:39,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:39,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:00:39,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:39,607 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:00:39,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39 WrapperNode [2024-11-19 06:00:39,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:39,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:39,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:00:39,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:00:39,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,655 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 220 [2024-11-19 06:00:39,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:39,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:00:39,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:00:39,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:00:39,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:00:39,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:00:39,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:00:39,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:00:39,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (1/1) ... [2024-11-19 06:00:39,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:39,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:00:39,746 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) [2024-11-19 06:00:39,750 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 [2024-11-19 06:00:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:00:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 06:00:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 06:00:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 06:00:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:00:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:00:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:00:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:00:39,807 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:00:39,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:00:39,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:00:40,414 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:00:40,414 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:00:40,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:00:40,694 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 06:00:40,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:40 BoogieIcfgContainer [2024-11-19 06:00:40,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:00:40,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:00:40,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:00:40,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:00:40,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:00:39" (1/3) ... [2024-11-19 06:00:40,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c90c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:40, skipping insertion in model container [2024-11-19 06:00:40,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:39" (2/3) ... [2024-11-19 06:00:40,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c90c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:40, skipping insertion in model container [2024-11-19 06:00:40,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:40" (3/3) ... [2024-11-19 06:00:40,708 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2024-11-19 06:00:40,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:00:40,722 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-19 06:00:40,722 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:00:40,790 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 06:00:40,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 167 transitions, 348 flow [2024-11-19 06:00:40,906 INFO L124 PetriNetUnfolderBase]: 9/165 cut-off events. [2024-11-19 06:00:40,907 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 06:00:40,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 165 events. 9/165 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 214 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2024-11-19 06:00:40,914 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 167 transitions, 348 flow [2024-11-19 06:00:40,921 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 148 transitions, 308 flow [2024-11-19 06:00:40,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:00:40,942 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;@68a7955c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:00:40,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-19 06:00:40,947 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:00:40,947 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-19 06:00:40,947 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:00:40,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:40,948 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:40,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1106198671, now seen corresponding path program 1 times [2024-11-19 06:00:40,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:40,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343299414] [2024-11-19 06:00:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:41,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:41,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343299414] [2024-11-19 06:00:41,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343299414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:41,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:41,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:41,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437564991] [2024-11-19 06:00:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:41,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:41,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:41,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:41,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-19 06:00:41,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 148 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:41,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-19 06:00:41,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:41,304 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2024-11-19 06:00:41,304 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-19 06:00:41,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 153 events. 10/153 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 185 event pairs, 0 based on Foata normal form. 12/153 useless extension candidates. Maximal degree in co-relation 111. Up to 21 conditions per place. [2024-11-19 06:00:41,311 INFO L140 encePairwiseOnDemand]: 136/167 looper letters, 10 selfloop transitions, 2 changer transitions 2/119 dead transitions. [2024-11-19 06:00:41,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 119 transitions, 274 flow [2024-11-19 06:00:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2024-11-19 06:00:41,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8183632734530938 [2024-11-19 06:00:41,330 INFO L175 Difference]: Start difference. First operand has 147 places, 148 transitions, 308 flow. Second operand 3 states and 410 transitions. [2024-11-19 06:00:41,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 119 transitions, 274 flow [2024-11-19 06:00:41,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 266 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 06:00:41,341 INFO L231 Difference]: Finished difference. Result has 121 places, 117 transitions, 242 flow [2024-11-19 06:00:41,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=121, PETRI_TRANSITIONS=117} [2024-11-19 06:00:41,347 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -26 predicate places. [2024-11-19 06:00:41,347 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 117 transitions, 242 flow [2024-11-19 06:00:41,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:41,348 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] [2024-11-19 06:00:41,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:00:41,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:41,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1348943652, now seen corresponding path program 1 times [2024-11-19 06:00:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:41,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900958582] [2024-11-19 06:00:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:41,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:41,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:41,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900958582] [2024-11-19 06:00:41,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900958582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:41,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:41,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:41,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304789861] [2024-11-19 06:00:41,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:41,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:41,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:41,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:41,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:41,467 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-19 06:00:41,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 117 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:41,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-19 06:00:41,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:41,577 INFO L124 PetriNetUnfolderBase]: 10/150 cut-off events. [2024-11-19 06:00:41,578 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:00:41,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 150 events. 10/150 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 182 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 153. Up to 21 conditions per place. [2024-11-19 06:00:41,580 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 10 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-11-19 06:00:41,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 116 transitions, 264 flow [2024-11-19 06:00:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:41,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2024-11-19 06:00:41,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7624750499001997 [2024-11-19 06:00:41,588 INFO L175 Difference]: Start difference. First operand has 121 places, 117 transitions, 242 flow. Second operand 3 states and 382 transitions. [2024-11-19 06:00:41,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 116 transitions, 264 flow [2024-11-19 06:00:41,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 116 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:41,594 INFO L231 Difference]: Finished difference. Result has 118 places, 116 transitions, 240 flow [2024-11-19 06:00:41,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=118, PETRI_TRANSITIONS=116} [2024-11-19 06:00:41,595 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -29 predicate places. [2024-11-19 06:00:41,596 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 116 transitions, 240 flow [2024-11-19 06:00:41,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:41,598 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] [2024-11-19 06:00:41,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:00:41,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:41,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1070870509, now seen corresponding path program 1 times [2024-11-19 06:00:41,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:41,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010339875] [2024-11-19 06:00:41,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:41,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:41,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:41,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010339875] [2024-11-19 06:00:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010339875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:41,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:41,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957275733] [2024-11-19 06:00:41,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:41,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:41,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:41,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:41,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 167 [2024-11-19 06:00:41,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 116 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-19 06:00:41,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:41,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 167 [2024-11-19 06:00:41,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:41,713 INFO L124 PetriNetUnfolderBase]: 10/149 cut-off events. [2024-11-19 06:00:41,714 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 06:00:41,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 149 events. 10/149 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 180 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 141. Up to 18 conditions per place. [2024-11-19 06:00:41,717 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 8 selfloop transitions, 1 changer transitions 0/115 dead transitions. [2024-11-19 06:00:41,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 115 transitions, 256 flow [2024-11-19 06:00:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2024-11-19 06:00:41,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.780439121756487 [2024-11-19 06:00:41,721 INFO L175 Difference]: Start difference. First operand has 118 places, 116 transitions, 240 flow. Second operand 3 states and 391 transitions. [2024-11-19 06:00:41,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 115 transitions, 256 flow [2024-11-19 06:00:41,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 115 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:41,725 INFO L231 Difference]: Finished difference. Result has 117 places, 115 transitions, 236 flow [2024-11-19 06:00:41,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=117, PETRI_TRANSITIONS=115} [2024-11-19 06:00:41,727 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -30 predicate places. [2024-11-19 06:00:41,728 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 115 transitions, 236 flow [2024-11-19 06:00:41,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-19 06:00:41,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:41,729 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] [2024-11-19 06:00:41,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:00:41,729 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:41,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2102418212, now seen corresponding path program 1 times [2024-11-19 06:00:41,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:41,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773920458] [2024-11-19 06:00:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:42,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:42,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773920458] [2024-11-19 06:00:42,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773920458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:42,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:42,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:42,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148168124] [2024-11-19 06:00:42,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:42,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:42,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:42,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 167 [2024-11-19 06:00:42,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 115 transitions, 236 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2024-11-19 06:00:42,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:42,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 167 [2024-11-19 06:00:42,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:42,595 INFO L124 PetriNetUnfolderBase]: 10/148 cut-off events. [2024-11-19 06:00:42,596 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:00:42,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 148 events. 10/148 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 176 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 150. Up to 25 conditions per place. [2024-11-19 06:00:42,600 INFO L140 encePairwiseOnDemand]: 161/167 looper letters, 14 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2024-11-19 06:00:42,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 114 transitions, 272 flow [2024-11-19 06:00:42,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 722 transitions. [2024-11-19 06:00:42,604 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.720558882235529 [2024-11-19 06:00:42,604 INFO L175 Difference]: Start difference. First operand has 117 places, 115 transitions, 236 flow. Second operand 6 states and 722 transitions. [2024-11-19 06:00:42,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 114 transitions, 272 flow [2024-11-19 06:00:42,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 114 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:42,611 INFO L231 Difference]: Finished difference. Result has 120 places, 114 transitions, 243 flow [2024-11-19 06:00:42,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=120, PETRI_TRANSITIONS=114} [2024-11-19 06:00:42,612 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -27 predicate places. [2024-11-19 06:00:42,613 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 114 transitions, 243 flow [2024-11-19 06:00:42,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2024-11-19 06:00:42,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:42,614 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] [2024-11-19 06:00:42,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:00:42,616 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:42,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:42,617 INFO L85 PathProgramCache]: Analyzing trace with hash 448588651, now seen corresponding path program 1 times [2024-11-19 06:00:42,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:42,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674339313] [2024-11-19 06:00:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:42,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:42,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:42,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674339313] [2024-11-19 06:00:42,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674339313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:42,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:42,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:42,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452255486] [2024-11-19 06:00:42,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:42,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:42,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:42,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:42,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:42,685 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 167 [2024-11-19 06:00:42,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-19 06:00:42,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:42,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 167 [2024-11-19 06:00:42,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:42,732 INFO L124 PetriNetUnfolderBase]: 10/147 cut-off events. [2024-11-19 06:00:42,733 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:00:42,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 147 events. 10/147 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 173 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 161. Up to 20 conditions per place. [2024-11-19 06:00:42,737 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 9 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2024-11-19 06:00:42,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 113 transitions, 263 flow [2024-11-19 06:00:42,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2024-11-19 06:00:42,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7664670658682635 [2024-11-19 06:00:42,739 INFO L175 Difference]: Start difference. First operand has 120 places, 114 transitions, 243 flow. Second operand 3 states and 384 transitions. [2024-11-19 06:00:42,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 113 transitions, 263 flow [2024-11-19 06:00:42,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 113 transitions, 253 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:00:42,743 INFO L231 Difference]: Finished difference. Result has 116 places, 113 transitions, 235 flow [2024-11-19 06:00:42,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=235, PETRI_PLACES=116, PETRI_TRANSITIONS=113} [2024-11-19 06:00:42,746 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -31 predicate places. [2024-11-19 06:00:42,748 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 113 transitions, 235 flow [2024-11-19 06:00:42,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-19 06:00:42,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:42,749 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:42,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:00:42,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 06:00:42,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:42,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1347636859, now seen corresponding path program 1 times [2024-11-19 06:00:42,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:42,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826736885] [2024-11-19 06:00:42,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:42,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:42,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:42,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826736885] [2024-11-19 06:00:42,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826736885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:42,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:42,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:42,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278077670] [2024-11-19 06:00:42,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:42,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:42,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:42,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:42,823 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 167 [2024-11-19 06:00:42,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 113 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2024-11-19 06:00:42,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:42,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 167 [2024-11-19 06:00:42,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:42,860 INFO L124 PetriNetUnfolderBase]: 10/146 cut-off events. [2024-11-19 06:00:42,861 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:00:42,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 146 events. 10/146 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 170 event pairs, 0 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 138. Up to 18 conditions per place. [2024-11-19 06:00:42,862 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-19 06:00:42,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 112 transitions, 249 flow [2024-11-19 06:00:42,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2024-11-19 06:00:42,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7784431137724551 [2024-11-19 06:00:42,865 INFO L175 Difference]: Start difference. First operand has 116 places, 113 transitions, 235 flow. Second operand 3 states and 390 transitions. [2024-11-19 06:00:42,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 112 transitions, 249 flow [2024-11-19 06:00:42,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:42,867 INFO L231 Difference]: Finished difference. Result has 115 places, 0 transitions, 0 flow [2024-11-19 06:00:42,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=115, PETRI_TRANSITIONS=0} [2024-11-19 06:00:42,869 INFO L277 CegarLoopForPetriNet]: 147 programPoint places, -32 predicate places. [2024-11-19 06:00:42,869 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 0 transitions, 0 flow [2024-11-19 06:00:42,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2024-11-19 06:00:42,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-19 06:00:42,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-19 06:00:42,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-19 06:00:42,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-19 06:00:42,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-19 06:00:42,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-19 06:00:42,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-19 06:00:42,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-19 06:00:42,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-19 06:00:42,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-19 06:00:42,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-19 06:00:42,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-19 06:00:42,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-19 06:00:42,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-19 06:00:42,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-19 06:00:42,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-19 06:00:42,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-19 06:00:42,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-19 06:00:42,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-19 06:00:42,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-19 06:00:42,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-19 06:00:42,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-19 06:00:42,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-19 06:00:42,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-19 06:00:42,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-19 06:00:42,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-19 06:00:42,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-19 06:00:42,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-19 06:00:42,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-19 06:00:42,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 54 remaining) [2024-11-19 06:00:42,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-19 06:00:42,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-19 06:00:42,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-19 06:00:42,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-19 06:00:42,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-19 06:00:42,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-19 06:00:42,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-19 06:00:42,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-19 06:00:42,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-19 06:00:42,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-19 06:00:42,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-19 06:00:42,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-19 06:00:42,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-19 06:00:42,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-19 06:00:42,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-19 06:00:42,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-19 06:00:42,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-19 06:00:42,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-19 06:00:42,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:00:42,884 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 06:00:42,892 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 06:00:42,892 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 06:00:42,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:00:42 BasicIcfg [2024-11-19 06:00:42,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 06:00:42,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 06:00:42,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 06:00:42,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 06:00:42,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:40" (3/4) ... [2024-11-19 06:00:42,907 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 06:00:42,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 06:00:42,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 06:00:42,916 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-19 06:00:42,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 06:00:42,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 06:00:42,917 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 06:00:43,019 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 06:00:43,020 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 06:00:43,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 06:00:43,020 INFO L158 Benchmark]: Toolchain (without parser) took 3740.77ms. Allocated memory was 186.6MB in the beginning and 262.1MB in the end (delta: 75.5MB). Free memory was 113.4MB in the beginning and 135.3MB in the end (delta: -21.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,020 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 186.6MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:00:43,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.35ms. Allocated memory is still 186.6MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 186.6MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,021 INFO L158 Benchmark]: Boogie Preprocessor took 39.99ms. Allocated memory is still 186.6MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,021 INFO L158 Benchmark]: RCFGBuilder took 997.58ms. Allocated memory is still 186.6MB. Free memory was 94.9MB in the beginning and 106.0MB in the end (delta: -11.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,022 INFO L158 Benchmark]: TraceAbstraction took 2203.37ms. Allocated memory was 186.6MB in the beginning and 262.1MB in the end (delta: 75.5MB). Free memory was 106.0MB in the beginning and 140.5MB in the end (delta: -34.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,022 INFO L158 Benchmark]: Witness Printer took 115.77ms. Allocated memory is still 262.1MB. Free memory was 140.5MB in the beginning and 135.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 06:00:43,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 186.6MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.35ms. Allocated memory is still 186.6MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.14ms. Allocated memory is still 186.6MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.99ms. Allocated memory is still 186.6MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.58ms. Allocated memory is still 186.6MB. Free memory was 94.9MB in the beginning and 106.0MB in the end (delta: -11.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2203.37ms. Allocated memory was 186.6MB in the beginning and 262.1MB in the end (delta: 75.5MB). Free memory was 106.0MB in the beginning and 140.5MB in the end (delta: -34.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 115.77ms. Allocated memory is still 262.1MB. Free memory was 140.5MB in the beginning and 135.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 204 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 06:00:43,052 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