./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d 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/09-regions_10-arraylist_rc.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 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:52:39,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:52:39,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:52:39,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:52:39,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:52:39,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:52:39,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:52:39,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:52:39,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:52:39,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:52:39,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:52:39,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:52:39,609 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:52:39,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:52:39,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:52:39,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:52:39,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:52:39,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:52:39,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:52:39,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:52:39,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:52:39,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:52:39,613 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:52:39,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:52:39,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:52:39,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:52:39,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:52:39,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:52:39,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:52:39,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:52:39,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:52:39,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:52:39,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:52:39,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:52:39,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:52:39,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:52:39,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:52:39,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:52:39,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:52:39,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:52:39,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:52:39,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 406569de44adfe8c1be02a1261bb34c87b6e96e16ab8124ccb5c3636d70e4f02 [2024-11-09 06:52:39,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:52:39,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:52:39,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:52:39,897 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:52:39,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:52:39,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2024-11-09 06:52:41,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:52:41,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:52:41,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_10-arraylist_rc.i [2024-11-09 06:52:41,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843b8c1a4/9a2528b06011416caa2b73eeaaa55193/FLAGdb11811fd [2024-11-09 06:52:41,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843b8c1a4/9a2528b06011416caa2b73eeaaa55193 [2024-11-09 06:52:41,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:52:41,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:52:41,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:41,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:52:41,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:52:41,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:41" (1/1) ... [2024-11-09 06:52:41,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328f6b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:41, skipping insertion in model container [2024-11-09 06:52:41,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:52:41" (1/1) ... [2024-11-09 06:52:42,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:52:42,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:42,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:52:42,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:52:42,824 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:52:42,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42 WrapperNode [2024-11-09 06:52:42,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:52:42,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:42,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:52:42,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:52:42,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,933 INFO L138 Inliner]: procedures = 372, calls = 88, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 300 [2024-11-09 06:52:42,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:52:42,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:52:42,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:52:42,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:52:42,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:42,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:43,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:43,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:52:43,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:52:43,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:52:43,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:52:43,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (1/1) ... [2024-11-09 06:52:43,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:52:43,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:43,048 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) [2024-11-09 06:52:43,051 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 [2024-11-09 06:52:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:52:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:52:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:52:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:52:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:52:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:52:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:52:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:52:43,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:52:43,102 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:52:43,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:52:43,236 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:52:43,752 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:52:43,752 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:52:43,790 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:52:43,791 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 06:52:43,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:43 BoogieIcfgContainer [2024-11-09 06:52:43,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:52:43,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:52:43,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:52:43,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:52:43,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:52:41" (1/3) ... [2024-11-09 06:52:43,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db7511b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:43, skipping insertion in model container [2024-11-09 06:52:43,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:52:42" (2/3) ... [2024-11-09 06:52:43,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db7511b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:52:43, skipping insertion in model container [2024-11-09 06:52:43,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:52:43" (3/3) ... [2024-11-09 06:52:43,799 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_10-arraylist_rc.i [2024-11-09 06:52:43,814 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:52:43,814 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 06:52:43,814 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:52:43,895 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:52:43,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 339 places, 341 transitions, 686 flow [2024-11-09 06:52:44,151 INFO L124 PetriNetUnfolderBase]: 6/340 cut-off events. [2024-11-09 06:52:44,155 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:44,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 340 events. 6/340 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 398 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2024-11-09 06:52:44,164 INFO L82 GeneralOperation]: Start removeDead. Operand has 339 places, 341 transitions, 686 flow [2024-11-09 06:52:44,176 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 340 transitions, 683 flow [2024-11-09 06:52:44,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:52:44,196 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;@69d8a058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:52:44,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-09 06:52:44,224 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:52:44,225 INFO L124 PetriNetUnfolderBase]: 4/129 cut-off events. [2024-11-09 06:52:44,225 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:52:44,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:44,227 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:44,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:44,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:44,233 INFO L85 PathProgramCache]: Analyzing trace with hash 131685964, now seen corresponding path program 1 times [2024-11-09 06:52:44,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:44,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878695851] [2024-11-09 06:52:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:44,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:44,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878695851] [2024-11-09 06:52:44,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878695851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:44,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:44,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:52:44,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839012821] [2024-11-09 06:52:44,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:44,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:44,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:44,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:44,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:44,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-09 06:52:44,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 340 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-09 06:52:44,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:44,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-09 06:52:44,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:44,824 INFO L124 PetriNetUnfolderBase]: 8/416 cut-off events. [2024-11-09 06:52:44,825 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:44,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 416 events. 8/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 873 event pairs, 6 based on Foata normal form. 6/391 useless extension candidates. Maximal degree in co-relation 219. Up to 24 conditions per place. [2024-11-09 06:52:44,830 INFO L140 encePairwiseOnDemand]: 334/341 looper letters, 10 selfloop transitions, 2 changer transitions 1/337 dead transitions. [2024-11-09 06:52:44,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 337 transitions, 701 flow [2024-11-09 06:52:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-09 06:52:44,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9736070381231672 [2024-11-09 06:52:44,855 INFO L175 Difference]: Start difference. First operand has 338 places, 340 transitions, 683 flow. Second operand 3 states and 996 transitions. [2024-11-09 06:52:44,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 337 transitions, 701 flow [2024-11-09 06:52:44,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 337 transitions, 700 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:44,870 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 684 flow [2024-11-09 06:52:44,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-11-09 06:52:44,876 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 2 predicate places. [2024-11-09 06:52:44,877 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 684 flow [2024-11-09 06:52:44,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-09 06:52:44,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:44,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:44,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:52:44,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:44,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash -917716216, now seen corresponding path program 1 times [2024-11-09 06:52:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204410537] [2024-11-09 06:52:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:44,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:45,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:45,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204410537] [2024-11-09 06:52:45,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204410537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:45,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313534387] [2024-11-09 06:52:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:45,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:45,116 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) [2024-11-09 06:52:45,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:52:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:45,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:52:45,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:45,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:52:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:45,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313534387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:52:45,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:52:45,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:52:45,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638826504] [2024-11-09 06:52:45,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:52:45,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:52:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:45,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:52:45,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:52:45,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:52:45,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 684 flow. Second operand has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 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) [2024-11-09 06:52:45,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:45,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:52:45,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:45,601 INFO L124 PetriNetUnfolderBase]: 8/422 cut-off events. [2024-11-09 06:52:45,601 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:52:45,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 422 events. 8/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 866 event pairs, 6 based on Foata normal form. 2/394 useless extension candidates. Maximal degree in co-relation 384. Up to 24 conditions per place. [2024-11-09 06:52:45,604 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/344 dead transitions. [2024-11-09 06:52:45,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 344 transitions, 748 flow [2024-11-09 06:52:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:52:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:52:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-09 06:52:45,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-09 06:52:45,610 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 684 flow. Second operand 9 states and 2932 transitions. [2024-11-09 06:52:45,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 344 transitions, 748 flow [2024-11-09 06:52:45,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 344 transitions, 746 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:45,619 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 732 flow [2024-11-09 06:52:45,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=732, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2024-11-09 06:52:45,620 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-09 06:52:45,621 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 732 flow [2024-11-09 06:52:45,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 324.8) internal successors, (3248), 10 states have internal predecessors, (3248), 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) [2024-11-09 06:52:45,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:45,624 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:45,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:52:45,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:45,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:45,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1486921096, now seen corresponding path program 2 times [2024-11-09 06:52:45,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:45,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893584804] [2024-11-09 06:52:45,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:46,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:46,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893584804] [2024-11-09 06:52:46,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893584804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:46,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644382840] [2024-11-09 06:52:46,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:52:46,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:46,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:46,074 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) [2024-11-09 06:52:46,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:52:46,201 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:52:46,202 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:52:46,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:52:46,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:46,240 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 [2024-11-09 06:52:46,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-09 06:52:46,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:52:46,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-09 06:52:46,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:52:46,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-09 06:52:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 06:52:46,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:52:46,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644382840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:46,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:52:46,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-09 06:52:46,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670583809] [2024-11-09 06:52:46,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:46,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:46,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:46,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:46,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:52:46,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-09 06:52:46,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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) [2024-11-09 06:52:46,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:46,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-09 06:52:46,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:47,228 INFO L124 PetriNetUnfolderBase]: 366/1706 cut-off events. [2024-11-09 06:52:47,228 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-09 06:52:47,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2548 conditions, 1706 events. 366/1706 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10137 event pairs, 364 based on Foata normal form. 0/1580 useless extension candidates. Maximal degree in co-relation 2435. Up to 800 conditions per place. [2024-11-09 06:52:47,239 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/340 dead transitions. [2024-11-09 06:52:47,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 890 flow [2024-11-09 06:52:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:47,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-09 06:52:47,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-09 06:52:47,243 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 732 flow. Second operand 6 states and 1607 transitions. [2024-11-09 06:52:47,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 890 flow [2024-11-09 06:52:47,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 340 transitions, 884 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:47,251 INFO L231 Difference]: Finished difference. Result has 351 places, 340 transitions, 742 flow [2024-11-09 06:52:47,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=351, PETRI_TRANSITIONS=340} [2024-11-09 06:52:47,253 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 13 predicate places. [2024-11-09 06:52:47,253 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 340 transitions, 742 flow [2024-11-09 06:52:47,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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) [2024-11-09 06:52:47,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:47,255 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:47,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:52:47,459 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,SelfDestructingSolverStorable2 [2024-11-09 06:52:47,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:47,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:47,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1020736967, now seen corresponding path program 1 times [2024-11-09 06:52:47,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:47,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474022484] [2024-11-09 06:52:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 06:52:47,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:47,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474022484] [2024-11-09 06:52:47,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474022484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:47,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:47,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:52:47,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842981500] [2024-11-09 06:52:47,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:47,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:52:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:47,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:52:47,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:52:47,585 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 341 [2024-11-09 06:52:47,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 340 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2024-11-09 06:52:47,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:47,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 341 [2024-11-09 06:52:47,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:47,661 INFO L124 PetriNetUnfolderBase]: 8/531 cut-off events. [2024-11-09 06:52:47,661 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:52:47,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 531 events. 8/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 861 event pairs, 6 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 494. Up to 24 conditions per place. [2024-11-09 06:52:47,664 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-09 06:52:47,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 341 transitions, 768 flow [2024-11-09 06:52:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:52:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:52:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-09 06:52:47,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9687194525904204 [2024-11-09 06:52:47,667 INFO L175 Difference]: Start difference. First operand has 351 places, 340 transitions, 742 flow. Second operand 3 states and 991 transitions. [2024-11-09 06:52:47,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 341 transitions, 768 flow [2024-11-09 06:52:47,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 341 transitions, 748 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:47,675 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 734 flow [2024-11-09 06:52:47,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-09 06:52:47,678 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 11 predicate places. [2024-11-09 06:52:47,678 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 734 flow [2024-11-09 06:52:47,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2024-11-09 06:52:47,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:47,679 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:47,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:52:47,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:47,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash -208651969, now seen corresponding path program 1 times [2024-11-09 06:52:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650304790] [2024-11-09 06:52:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:47,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650304790] [2024-11-09 06:52:47,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650304790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:47,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572297159] [2024-11-09 06:52:47,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:47,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:47,871 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) [2024-11-09 06:52:47,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:52:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:47,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:52:47,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:48,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:52:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572297159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:52:48,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:52:48,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-09 06:52:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433556782] [2024-11-09 06:52:48,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:52:48,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 06:52:48,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 06:52:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:52:48,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:52:48,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 734 flow. Second operand has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 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) [2024-11-09 06:52:48,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:48,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:52:48,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:48,430 INFO L124 PetriNetUnfolderBase]: 8/551 cut-off events. [2024-11-09 06:52:48,431 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-09 06:52:48,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 551 events. 8/551 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 863 event pairs, 6 based on Foata normal form. 4/521 useless extension candidates. Maximal degree in co-relation 476. Up to 24 conditions per place. [2024-11-09 06:52:48,433 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 18 selfloop transitions, 21 changer transitions 0/359 dead transitions. [2024-11-09 06:52:48,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 359 transitions, 900 flow [2024-11-09 06:52:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:52:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 06:52:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-09 06:52:48,444 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-09 06:52:48,444 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 734 flow. Second operand 21 states and 6826 transitions. [2024-11-09 06:52:48,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 359 transitions, 900 flow [2024-11-09 06:52:48,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 359 transitions, 898 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:52:48,451 INFO L231 Difference]: Finished difference. Result has 373 places, 354 transitions, 862 flow [2024-11-09 06:52:48,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=862, PETRI_PLACES=373, PETRI_TRANSITIONS=354} [2024-11-09 06:52:48,452 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 35 predicate places. [2024-11-09 06:52:48,452 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 354 transitions, 862 flow [2024-11-09 06:52:48,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 324.8888888888889) internal successors, (5848), 18 states have internal predecessors, (5848), 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) [2024-11-09 06:52:48,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:48,456 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:48,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:52:48,657 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 [2024-11-09 06:52:48,657 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:48,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:48,658 INFO L85 PathProgramCache]: Analyzing trace with hash 904760895, now seen corresponding path program 2 times [2024-11-09 06:52:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:48,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389750190] [2024-11-09 06:52:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:49,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389750190] [2024-11-09 06:52:49,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389750190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082333480] [2024-11-09 06:52:49,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:52:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:49,051 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) [2024-11-09 06:52:49,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:52:49,170 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:52:49,170 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:52:49,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 06:52:49,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:49,191 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 13 treesize of output 9 [2024-11-09 06:52:49,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-09 06:52:49,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:52:49,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-09 06:52:49,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:52:49,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-09 06:52:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 06:52:49,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:52:49,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082333480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:49,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:52:49,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-09 06:52:49,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25963899] [2024-11-09 06:52:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:49,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:49,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:52:49,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 341 [2024-11-09 06:52:49,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 354 transitions, 862 flow. Second operand has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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) [2024-11-09 06:52:49,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:49,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 341 [2024-11-09 06:52:49,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:50,182 INFO L124 PetriNetUnfolderBase]: 366/1833 cut-off events. [2024-11-09 06:52:50,183 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-09 06:52:50,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 1833 events. 366/1833 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10076 event pairs, 364 based on Foata normal form. 0/1705 useless extension candidates. Maximal degree in co-relation 2590. Up to 830 conditions per place. [2024-11-09 06:52:50,192 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 10 changer transitions 0/352 dead transitions. [2024-11-09 06:52:50,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 352 transitions, 1020 flow [2024-11-09 06:52:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1607 transitions. [2024-11-09 06:52:50,196 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7854349951124144 [2024-11-09 06:52:50,196 INFO L175 Difference]: Start difference. First operand has 373 places, 354 transitions, 862 flow. Second operand 6 states and 1607 transitions. [2024-11-09 06:52:50,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 352 transitions, 1020 flow [2024-11-09 06:52:50,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 352 transitions, 996 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-09 06:52:50,208 INFO L231 Difference]: Finished difference. Result has 370 places, 352 transitions, 854 flow [2024-11-09 06:52:50,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=352} [2024-11-09 06:52:50,209 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 32 predicate places. [2024-11-09 06:52:50,210 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 352 transitions, 854 flow [2024-11-09 06:52:50,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 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) [2024-11-09 06:52:50,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:50,211 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:50,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:52:50,411 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 [2024-11-09 06:52:50,412 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:50,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:50,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1698947467, now seen corresponding path program 1 times [2024-11-09 06:52:50,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:50,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124303952] [2024-11-09 06:52:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:50,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:50,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124303952] [2024-11-09 06:52:50,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124303952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:50,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305267551] [2024-11-09 06:52:50,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:50,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:50,820 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) [2024-11-09 06:52:50,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:52:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:50,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:52:50,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:51,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:52:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:52:51,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305267551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:52:51,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:52:51,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-09 06:52:51,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232358847] [2024-11-09 06:52:51,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:52:51,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:52:51,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:51,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:52:51,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-09 06:52:51,285 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:52:51,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 352 transitions, 854 flow. Second operand has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 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) [2024-11-09 06:52:51,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:51,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:52:51,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:51,684 INFO L124 PetriNetUnfolderBase]: 8/562 cut-off events. [2024-11-09 06:52:51,685 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2024-11-09 06:52:51,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 562 events. 8/562 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 845 event pairs, 6 based on Foata normal form. 3/535 useless extension candidates. Maximal degree in co-relation 498. Up to 24 conditions per place. [2024-11-09 06:52:51,687 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 30 changer transitions 0/369 dead transitions. [2024-11-09 06:52:51,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 369 transitions, 1078 flow [2024-11-09 06:52:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 06:52:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-09 06:52:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-09 06:52:51,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-09 06:52:51,704 INFO L175 Difference]: Start difference. First operand has 370 places, 352 transitions, 854 flow. Second operand 30 states and 9744 transitions. [2024-11-09 06:52:51,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 369 transitions, 1078 flow [2024-11-09 06:52:51,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 369 transitions, 1058 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:51,712 INFO L231 Difference]: Finished difference. Result has 398 places, 362 transitions, 986 flow [2024-11-09 06:52:51,713 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=986, PETRI_PLACES=398, PETRI_TRANSITIONS=362} [2024-11-09 06:52:51,714 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 60 predicate places. [2024-11-09 06:52:51,714 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 362 transitions, 986 flow [2024-11-09 06:52:51,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0) internal successors, (7475), 23 states have internal predecessors, (7475), 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) [2024-11-09 06:52:51,717 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:51,717 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-09 06:52:51,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 06:52:51,921 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 [2024-11-09 06:52:51,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:51,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:51,922 INFO L85 PathProgramCache]: Analyzing trace with hash 666709711, now seen corresponding path program 2 times [2024-11-09 06:52:51,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474759503] [2024-11-09 06:52:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:52,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474759503] [2024-11-09 06:52:52,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474759503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:52,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:52,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:52,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095877674] [2024-11-09 06:52:52,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:52,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:52,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:52,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:53,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 341 [2024-11-09 06:52:53,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 362 transitions, 986 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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) [2024-11-09 06:52:53,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:53,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 341 [2024-11-09 06:52:53,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:53,418 INFO L124 PetriNetUnfolderBase]: 392/1935 cut-off events. [2024-11-09 06:52:53,419 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-09 06:52:53,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3012 conditions, 1935 events. 392/1935 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10874 event pairs, 390 based on Foata normal form. 0/1804 useless extension candidates. Maximal degree in co-relation 2740. Up to 899 conditions per place. [2024-11-09 06:52:53,429 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 83 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-09 06:52:53,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 361 transitions, 1160 flow [2024-11-09 06:52:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1582 transitions. [2024-11-09 06:52:53,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7732160312805474 [2024-11-09 06:52:53,433 INFO L175 Difference]: Start difference. First operand has 398 places, 362 transitions, 986 flow. Second operand 6 states and 1582 transitions. [2024-11-09 06:52:53,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 361 transitions, 1160 flow [2024-11-09 06:52:53,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 361 transitions, 1114 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-09 06:52:53,440 INFO L231 Difference]: Finished difference. Result has 384 places, 361 transitions, 948 flow [2024-11-09 06:52:53,440 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=948, PETRI_PLACES=384, PETRI_TRANSITIONS=361} [2024-11-09 06:52:53,441 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 46 predicate places. [2024-11-09 06:52:53,441 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 361 transitions, 948 flow [2024-11-09 06:52:53,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 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) [2024-11-09 06:52:53,442 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:53,442 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:53,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:52:53,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:53,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:53,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1575483179, now seen corresponding path program 1 times [2024-11-09 06:52:53,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:53,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26282436] [2024-11-09 06:52:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:54,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:54,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26282436] [2024-11-09 06:52:54,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26282436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:54,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:54,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:54,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643928432] [2024-11-09 06:52:54,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:54,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:54,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:54,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:54,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:54,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 341 [2024-11-09 06:52:54,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 361 transitions, 948 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 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) [2024-11-09 06:52:54,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:54,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 341 [2024-11-09 06:52:54,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:54,847 INFO L124 PetriNetUnfolderBase]: 56/801 cut-off events. [2024-11-09 06:52:54,847 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-09 06:52:54,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 801 events. 56/801 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 54 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 911. Up to 195 conditions per place. [2024-11-09 06:52:54,850 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 57 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-09 06:52:54,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 360 transitions, 1070 flow [2024-11-09 06:52:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1712 transitions. [2024-11-09 06:52:54,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8367546432062561 [2024-11-09 06:52:54,855 INFO L175 Difference]: Start difference. First operand has 384 places, 361 transitions, 948 flow. Second operand 6 states and 1712 transitions. [2024-11-09 06:52:54,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 360 transitions, 1070 flow [2024-11-09 06:52:54,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 360 transitions, 1060 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:54,863 INFO L231 Difference]: Finished difference. Result has 383 places, 360 transitions, 946 flow [2024-11-09 06:52:54,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=383, PETRI_TRANSITIONS=360} [2024-11-09 06:52:54,868 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 45 predicate places. [2024-11-09 06:52:54,870 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 360 transitions, 946 flow [2024-11-09 06:52:54,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 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) [2024-11-09 06:52:54,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:54,874 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:54,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:52:54,876 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:54,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash -573299907, now seen corresponding path program 1 times [2024-11-09 06:52:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:54,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827849836] [2024-11-09 06:52:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:55,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:55,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827849836] [2024-11-09 06:52:55,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827849836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:55,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:55,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:55,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230367675] [2024-11-09 06:52:55,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:55,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:55,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:56,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-09 06:52:56,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 360 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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) [2024-11-09 06:52:56,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:56,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-09 06:52:56,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:56,219 INFO L124 PetriNetUnfolderBase]: 38/716 cut-off events. [2024-11-09 06:52:56,219 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-09 06:52:56,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 716 events. 38/716 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2096 event pairs, 36 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 791. Up to 158 conditions per place. [2024-11-09 06:52:56,222 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 53 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-09 06:52:56,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 359 transitions, 1060 flow [2024-11-09 06:52:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1727 transitions. [2024-11-09 06:52:56,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2024-11-09 06:52:56,226 INFO L175 Difference]: Start difference. First operand has 383 places, 360 transitions, 946 flow. Second operand 6 states and 1727 transitions. [2024-11-09 06:52:56,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 359 transitions, 1060 flow [2024-11-09 06:52:56,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 359 transitions, 1050 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:56,233 INFO L231 Difference]: Finished difference. Result has 382 places, 359 transitions, 944 flow [2024-11-09 06:52:56,234 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=944, PETRI_PLACES=382, PETRI_TRANSITIONS=359} [2024-11-09 06:52:56,235 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 44 predicate places. [2024-11-09 06:52:56,236 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 359 transitions, 944 flow [2024-11-09 06:52:56,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 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) [2024-11-09 06:52:56,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:56,237 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:56,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:52:56,237 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:56,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash -847986315, now seen corresponding path program 1 times [2024-11-09 06:52:56,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:56,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782473062] [2024-11-09 06:52:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:56,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:56,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782473062] [2024-11-09 06:52:56,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782473062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:56,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:56,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797228956] [2024-11-09 06:52:56,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:56,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:56,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:56,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:57,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 341 [2024-11-09 06:52:57,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 359 transitions, 944 flow. Second operand has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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) [2024-11-09 06:52:57,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:57,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 341 [2024-11-09 06:52:57,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:57,740 INFO L124 PetriNetUnfolderBase]: 366/1840 cut-off events. [2024-11-09 06:52:57,741 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-09 06:52:57,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2852 conditions, 1840 events. 366/1840 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10082 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2603. Up to 846 conditions per place. [2024-11-09 06:52:57,755 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 79 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2024-11-09 06:52:57,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 358 transitions, 1110 flow [2024-11-09 06:52:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1597 transitions. [2024-11-09 06:52:57,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7805474095796676 [2024-11-09 06:52:57,759 INFO L175 Difference]: Start difference. First operand has 382 places, 359 transitions, 944 flow. Second operand 6 states and 1597 transitions. [2024-11-09 06:52:57,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 358 transitions, 1110 flow [2024-11-09 06:52:57,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 358 transitions, 1100 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:57,769 INFO L231 Difference]: Finished difference. Result has 381 places, 358 transitions, 942 flow [2024-11-09 06:52:57,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=381, PETRI_TRANSITIONS=358} [2024-11-09 06:52:57,770 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 43 predicate places. [2024-11-09 06:52:57,770 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 358 transitions, 942 flow [2024-11-09 06:52:57,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 258.1666666666667) internal successors, (1549), 6 states have internal predecessors, (1549), 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) [2024-11-09 06:52:57,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:57,771 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:57,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:52:57,772 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:57,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:57,772 INFO L85 PathProgramCache]: Analyzing trace with hash -851926548, now seen corresponding path program 1 times [2024-11-09 06:52:57,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:57,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388108974] [2024-11-09 06:52:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:57,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388108974] [2024-11-09 06:52:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388108974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:52:58,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:52:58,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:52:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521227979] [2024-11-09 06:52:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:52:58,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:52:58,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:52:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:52:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:52:58,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 341 [2024-11-09 06:52:58,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 358 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 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) [2024-11-09 06:52:58,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:52:58,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 341 [2024-11-09 06:52:58,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:52:59,196 INFO L124 PetriNetUnfolderBase]: 366/1838 cut-off events. [2024-11-09 06:52:59,196 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-09 06:52:59,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2848 conditions, 1838 events. 366/1838 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10080 event pairs, 364 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2599. Up to 844 conditions per place. [2024-11-09 06:52:59,209 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 78 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-09 06:52:59,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 357 transitions, 1106 flow [2024-11-09 06:52:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:52:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:52:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1602 transitions. [2024-11-09 06:52:59,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.782991202346041 [2024-11-09 06:52:59,215 INFO L175 Difference]: Start difference. First operand has 381 places, 358 transitions, 942 flow. Second operand 6 states and 1602 transitions. [2024-11-09 06:52:59,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 357 transitions, 1106 flow [2024-11-09 06:52:59,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 357 transitions, 1096 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:52:59,222 INFO L231 Difference]: Finished difference. Result has 380 places, 357 transitions, 940 flow [2024-11-09 06:52:59,223 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=940, PETRI_PLACES=380, PETRI_TRANSITIONS=357} [2024-11-09 06:52:59,223 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 42 predicate places. [2024-11-09 06:52:59,223 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 357 transitions, 940 flow [2024-11-09 06:52:59,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 259.6666666666667) internal successors, (1558), 6 states have internal predecessors, (1558), 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) [2024-11-09 06:52:59,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:52:59,226 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:52:59,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:52:59,226 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:52:59,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:52:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1540404025, now seen corresponding path program 1 times [2024-11-09 06:52:59,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:52:59,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283139741] [2024-11-09 06:52:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:59,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:52:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:59,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:52:59,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283139741] [2024-11-09 06:52:59,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283139741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:52:59,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100772254] [2024-11-09 06:52:59,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:52:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:52:59,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:52:59,528 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:52:59,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:52:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:52:59,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:52:59,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:52:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:52:59,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:00,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100772254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:00,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:00,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:53:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228621848] [2024-11-09 06:53:00,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:00,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:53:00,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:00,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:53:00,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:53:00,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:53:00,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 357 transitions, 940 flow. Second operand has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 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) [2024-11-09 06:53:00,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:00,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:53:00,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:00,368 INFO L124 PetriNetUnfolderBase]: 8/659 cut-off events. [2024-11-09 06:53:00,369 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-09 06:53:00,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 659 events. 8/659 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 394 event pairs, 6 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 607. Up to 24 conditions per place. [2024-11-09 06:53:00,372 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 9 changer transitions 0/365 dead transitions. [2024-11-09 06:53:00,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 365 transitions, 1004 flow [2024-11-09 06:53:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:53:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:53:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2932 transitions. [2024-11-09 06:53:00,375 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553600521342457 [2024-11-09 06:53:00,375 INFO L175 Difference]: Start difference. First operand has 380 places, 357 transitions, 940 flow. Second operand 9 states and 2932 transitions. [2024-11-09 06:53:00,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 365 transitions, 1004 flow [2024-11-09 06:53:00,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 365 transitions, 994 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:00,383 INFO L231 Difference]: Finished difference. Result has 386 places, 363 transitions, 980 flow [2024-11-09 06:53:00,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=980, PETRI_PLACES=386, PETRI_TRANSITIONS=363} [2024-11-09 06:53:00,384 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 48 predicate places. [2024-11-09 06:53:00,384 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 363 transitions, 980 flow [2024-11-09 06:53:00,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 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) [2024-11-09 06:53:00,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:00,386 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:00,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:00,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:00,587 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:00,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1016461703, now seen corresponding path program 2 times [2024-11-09 06:53:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404695815] [2024-11-09 06:53:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:00,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:01,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:01,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404695815] [2024-11-09 06:53:01,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404695815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:01,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587425547] [2024-11-09 06:53:01,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:01,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:01,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:01,166 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:01,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:53:01,439 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:01,440 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:01,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:53:01,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:01,474 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 15 treesize of output 11 [2024-11-09 06:53:01,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:53:01,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:01,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:53:01,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:01,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:53:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-11-09 06:53:01,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:01,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587425547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:01,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:01,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-09 06:53:01,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393700090] [2024-11-09 06:53:01,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:01,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:01,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:01,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:01,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:53:02,034 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-09 06:53:02,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 363 transitions, 980 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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) [2024-11-09 06:53:02,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:02,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-09 06:53:02,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:02,508 INFO L124 PetriNetUnfolderBase]: 258/1966 cut-off events. [2024-11-09 06:53:02,508 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-09 06:53:02,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 1966 events. 258/1966 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10043 event pairs, 34 based on Foata normal form. 0/1840 useless extension candidates. Maximal degree in co-relation 2516. Up to 491 conditions per place. [2024-11-09 06:53:02,520 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 67 selfloop transitions, 70 changer transitions 0/441 dead transitions. [2024-11-09 06:53:02,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 441 transitions, 1410 flow [2024-11-09 06:53:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-09 06:53:02,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-09 06:53:02,524 INFO L175 Difference]: Start difference. First operand has 386 places, 363 transitions, 980 flow. Second operand 6 states and 1806 transitions. [2024-11-09 06:53:02,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 441 transitions, 1410 flow [2024-11-09 06:53:02,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 441 transitions, 1404 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:02,533 INFO L231 Difference]: Finished difference. Result has 395 places, 432 transitions, 1436 flow [2024-11-09 06:53:02,533 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1436, PETRI_PLACES=395, PETRI_TRANSITIONS=432} [2024-11-09 06:53:02,534 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 57 predicate places. [2024-11-09 06:53:02,534 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 432 transitions, 1436 flow [2024-11-09 06:53:02,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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) [2024-11-09 06:53:02,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:02,535 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:02,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 06:53:02,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:02,736 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:02,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:02,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2131267273, now seen corresponding path program 1 times [2024-11-09 06:53:02,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:02,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693130780] [2024-11-09 06:53:02,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:02,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:03,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:03,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693130780] [2024-11-09 06:53:03,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693130780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:03,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616142985] [2024-11-09 06:53:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:03,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:03,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:03,263 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:03,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 06:53:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:03,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:53:03,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:04,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:04,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616142985] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:04,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-09 06:53:04,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615067489] [2024-11-09 06:53:04,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:04,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 06:53:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:04,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 06:53:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:53:04,736 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:53:04,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 432 transitions, 1436 flow. Second operand has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 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) [2024-11-09 06:53:04,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:04,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:53:04,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:05,431 INFO L124 PetriNetUnfolderBase]: 121/2052 cut-off events. [2024-11-09 06:53:05,431 INFO L125 PetriNetUnfolderBase]: For 309/329 co-relation queries the response was YES. [2024-11-09 06:53:05,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 2052 events. 121/2052 cut-off events. For 309/329 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7280 event pairs, 21 based on Foata normal form. 4/1969 useless extension candidates. Maximal degree in co-relation 2597. Up to 206 conditions per place. [2024-11-09 06:53:05,438 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 19 selfloop transitions, 21 changer transitions 0/450 dead transitions. [2024-11-09 06:53:05,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 450 transitions, 1604 flow [2024-11-09 06:53:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 06:53:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-09 06:53:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6826 transitions. [2024-11-09 06:53:05,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9532188241865661 [2024-11-09 06:53:05,446 INFO L175 Difference]: Start difference. First operand has 395 places, 432 transitions, 1436 flow. Second operand 21 states and 6826 transitions. [2024-11-09 06:53:05,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 450 transitions, 1604 flow [2024-11-09 06:53:05,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 450 transitions, 1604 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:05,457 INFO L231 Difference]: Finished difference. Result has 420 places, 445 transitions, 1566 flow [2024-11-09 06:53:05,458 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1566, PETRI_PLACES=420, PETRI_TRANSITIONS=445} [2024-11-09 06:53:05,458 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 82 predicate places. [2024-11-09 06:53:05,458 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 445 transitions, 1566 flow [2024-11-09 06:53:05,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 325.0) internal successors, (5850), 18 states have internal predecessors, (5850), 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) [2024-11-09 06:53:05,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:05,460 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:05,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:05,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 06:53:05,661 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:05,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:05,662 INFO L85 PathProgramCache]: Analyzing trace with hash -683711159, now seen corresponding path program 2 times [2024-11-09 06:53:05,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:05,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93355434] [2024-11-09 06:53:05,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:07,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:07,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93355434] [2024-11-09 06:53:07,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93355434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:07,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528082259] [2024-11-09 06:53:07,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:07,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:07,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:07,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 06:53:07,849 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:07,850 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:07,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:53:07,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:07,906 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 13 treesize of output 9 [2024-11-09 06:53:07,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-09 06:53:07,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:07,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-09 06:53:07,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:07,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-09 06:53:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2447 trivial. 0 not checked. [2024-11-09 06:53:08,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528082259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:08,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-09 06:53:08,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848397080] [2024-11-09 06:53:08,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:08,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:08,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:53:08,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-09 06:53:08,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 445 transitions, 1566 flow. Second operand has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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) [2024-11-09 06:53:08,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:08,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-09 06:53:08,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:09,439 INFO L124 PetriNetUnfolderBase]: 501/3121 cut-off events. [2024-11-09 06:53:09,439 INFO L125 PetriNetUnfolderBase]: For 991/1074 co-relation queries the response was YES. [2024-11-09 06:53:09,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5522 conditions, 3121 events. 501/3121 cut-off events. For 991/1074 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16104 event pairs, 92 based on Foata normal form. 16/2980 useless extension candidates. Maximal degree in co-relation 5260. Up to 981 conditions per place. [2024-11-09 06:53:09,456 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 131 selfloop transitions, 130 changer transitions 0/582 dead transitions. [2024-11-09 06:53:09,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 582 transitions, 2738 flow [2024-11-09 06:53:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1805 transitions. [2024-11-09 06:53:09,461 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8822091886608016 [2024-11-09 06:53:09,461 INFO L175 Difference]: Start difference. First operand has 420 places, 445 transitions, 1566 flow. Second operand 6 states and 1805 transitions. [2024-11-09 06:53:09,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 582 transitions, 2738 flow [2024-11-09 06:53:09,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 582 transitions, 2714 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-09 06:53:09,477 INFO L231 Difference]: Finished difference. Result has 424 places, 574 transitions, 2770 flow [2024-11-09 06:53:09,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2770, PETRI_PLACES=424, PETRI_TRANSITIONS=574} [2024-11-09 06:53:09,479 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 86 predicate places. [2024-11-09 06:53:09,479 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 574 transitions, 2770 flow [2024-11-09 06:53:09,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.1666666666667) internal successors, (1705), 6 states have internal predecessors, (1705), 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) [2024-11-09 06:53:09,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:09,480 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:09,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:09,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 06:53:09,681 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:09,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1562446892, now seen corresponding path program 1 times [2024-11-09 06:53:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:09,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074074971] [2024-11-09 06:53:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:09,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:11,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074074971] [2024-11-09 06:53:11,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074074971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:11,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071039047] [2024-11-09 06:53:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:11,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:11,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:11,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 06:53:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:12,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:53:12,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:12,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-09 06:53:13,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071039047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:13,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-09 06:53:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342008185] [2024-11-09 06:53:13,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:13,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-09 06:53:13,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:13,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-09 06:53:13,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-09 06:53:13,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 341 [2024-11-09 06:53:13,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 574 transitions, 2770 flow. Second operand has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 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) [2024-11-09 06:53:13,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:13,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 341 [2024-11-09 06:53:13,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:14,905 INFO L124 PetriNetUnfolderBase]: 390/3162 cut-off events. [2024-11-09 06:53:14,906 INFO L125 PetriNetUnfolderBase]: For 1298/1329 co-relation queries the response was YES. [2024-11-09 06:53:14,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5490 conditions, 3162 events. 390/3162 cut-off events. For 1298/1329 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 13485 event pairs, 39 based on Foata normal form. 7/3061 useless extension candidates. Maximal degree in co-relation 5223. Up to 468 conditions per place. [2024-11-09 06:53:14,925 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 22 selfloop transitions, 30 changer transitions 0/591 dead transitions. [2024-11-09 06:53:14,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 591 transitions, 2996 flow [2024-11-09 06:53:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 06:53:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-09 06:53:14,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9744 transitions. [2024-11-09 06:53:14,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9524926686217009 [2024-11-09 06:53:14,932 INFO L175 Difference]: Start difference. First operand has 424 places, 574 transitions, 2770 flow. Second operand 30 states and 9744 transitions. [2024-11-09 06:53:14,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 591 transitions, 2996 flow [2024-11-09 06:53:14,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 591 transitions, 2996 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:14,955 INFO L231 Difference]: Finished difference. Result has 457 places, 584 transitions, 2922 flow [2024-11-09 06:53:14,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2770, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2922, PETRI_PLACES=457, PETRI_TRANSITIONS=584} [2024-11-09 06:53:14,956 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 119 predicate places. [2024-11-09 06:53:14,956 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 584 transitions, 2922 flow [2024-11-09 06:53:14,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 325.0869565217391) internal successors, (7477), 23 states have internal predecessors, (7477), 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) [2024-11-09 06:53:14,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:14,958 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-09 06:53:14,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 06:53:15,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 06:53:15,159 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:15,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1366725474, now seen corresponding path program 2 times [2024-11-09 06:53:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:15,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386987743] [2024-11-09 06:53:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-09 06:53:18,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386987743] [2024-11-09 06:53:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386987743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:18,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:18,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:18,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850322155] [2024-11-09 06:53:18,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:18,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:18,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:18,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:18,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 341 [2024-11-09 06:53:18,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 584 transitions, 2922 flow. Second operand has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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) [2024-11-09 06:53:18,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:18,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 341 [2024-11-09 06:53:18,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:20,107 INFO L124 PetriNetUnfolderBase]: 777/4231 cut-off events. [2024-11-09 06:53:20,107 INFO L125 PetriNetUnfolderBase]: For 3405/3607 co-relation queries the response was YES. [2024-11-09 06:53:20,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8913 conditions, 4231 events. 777/4231 cut-off events. For 3405/3607 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22303 event pairs, 74 based on Foata normal form. 76/4132 useless extension candidates. Maximal degree in co-relation 8642. Up to 1323 conditions per place. [2024-11-09 06:53:20,128 INFO L140 encePairwiseOnDemand]: 318/341 looper letters, 251 selfloop transitions, 131 changer transitions 5/722 dead transitions. [2024-11-09 06:53:20,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 722 transitions, 4596 flow [2024-11-09 06:53:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1806 transitions. [2024-11-09 06:53:20,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826979472140762 [2024-11-09 06:53:20,131 INFO L175 Difference]: Start difference. First operand has 457 places, 584 transitions, 2922 flow. Second operand 6 states and 1806 transitions. [2024-11-09 06:53:20,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 722 transitions, 4596 flow [2024-11-09 06:53:20,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 722 transitions, 4550 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-09 06:53:20,154 INFO L231 Difference]: Finished difference. Result has 449 places, 712 transitions, 4356 flow [2024-11-09 06:53:20,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2876, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4356, PETRI_PLACES=449, PETRI_TRANSITIONS=712} [2024-11-09 06:53:20,156 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 111 predicate places. [2024-11-09 06:53:20,156 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 712 transitions, 4356 flow [2024-11-09 06:53:20,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.3333333333333) internal successors, (1706), 6 states have internal predecessors, (1706), 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) [2024-11-09 06:53:20,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:20,157 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-09 06:53:20,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 06:53:20,158 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:20,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:20,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1036214420, now seen corresponding path program 1 times [2024-11-09 06:53:20,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:20,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549493678] [2024-11-09 06:53:20,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:20,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4970 trivial. 0 not checked. [2024-11-09 06:53:23,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:23,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549493678] [2024-11-09 06:53:23,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549493678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:23,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:23,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:23,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167639725] [2024-11-09 06:53:23,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:23,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:23,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:23,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:23,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 341 [2024-11-09 06:53:23,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 712 transitions, 4356 flow. Second operand has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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) [2024-11-09 06:53:23,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:23,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 341 [2024-11-09 06:53:23,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:25,519 INFO L124 PetriNetUnfolderBase]: 1309/5605 cut-off events. [2024-11-09 06:53:25,520 INFO L125 PetriNetUnfolderBase]: For 4994/5051 co-relation queries the response was YES. [2024-11-09 06:53:25,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13621 conditions, 5605 events. 1309/5605 cut-off events. For 4994/5051 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33865 event pairs, 369 based on Foata normal form. 11/5371 useless extension candidates. Maximal degree in co-relation 13346. Up to 2549 conditions per place. [2024-11-09 06:53:25,568 INFO L140 encePairwiseOnDemand]: 322/341 looper letters, 316 selfloop transitions, 84 changer transitions 0/791 dead transitions. [2024-11-09 06:53:25,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 791 transitions, 5554 flow [2024-11-09 06:53:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:25,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-09 06:53:25,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.823069403714565 [2024-11-09 06:53:25,571 INFO L175 Difference]: Start difference. First operand has 449 places, 712 transitions, 4356 flow. Second operand 6 states and 1684 transitions. [2024-11-09 06:53:25,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 791 transitions, 5554 flow [2024-11-09 06:53:25,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 791 transitions, 5300 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:25,609 INFO L231 Difference]: Finished difference. Result has 458 places, 783 transitions, 4892 flow [2024-11-09 06:53:25,610 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=4108, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4892, PETRI_PLACES=458, PETRI_TRANSITIONS=783} [2024-11-09 06:53:25,610 INFO L277 CegarLoopForPetriNet]: 338 programPoint places, 120 predicate places. [2024-11-09 06:53:25,610 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 783 transitions, 4892 flow [2024-11-09 06:53:25,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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) [2024-11-09 06:53:25,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:25,612 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1] [2024-11-09 06:53:25,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 06:53:25,612 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-09 06:53:25,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:25,613 INFO L85 PathProgramCache]: Analyzing trace with hash -8722774, now seen corresponding path program 1 times [2024-11-09 06:53:25,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:25,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683691207] [2024-11-09 06:53:25,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:25,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 1779 proven. 2862 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-09 06:53:48,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:48,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683691207] [2024-11-09 06:53:48,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683691207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:48,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898258927] [2024-11-09 06:53:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:48,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:48,605 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:48,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 06:53:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:50,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-09 06:53:50,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:50,387 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:50,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:50,521 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:50,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:50,729 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:50,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:50,846 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:50,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,053 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,173 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,386 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,485 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,685 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,803 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:51,978 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:51,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,074 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,269 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,389 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,602 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,707 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:52,916 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:52,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:53,035 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:53,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:53,253 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:53,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:53,355 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:53:53,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:53:53,570 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-09 06:53:53,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11