./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:50:11,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:50:11,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:50:11,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:50:11,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:50:11,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:50:11,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:50:11,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:50:11,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:50:11,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:50:11,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:50:11,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:50:11,601 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:50:11,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:50:11,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:50:11,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:50:11,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:50:11,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:50:11,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:50:11,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:50:11,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:50:11,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:50:11,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:11,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:50:11,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:50:11,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:50:11,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2024-11-22 17:50:11,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:50:11,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:50:11,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:50:11,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:50:11,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:50:11,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-22 17:50:13,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:50:13,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:50:13,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-22 17:50:13,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b958c283/dad50cafea4945fd89d20a158368f78c/FLAGf3603ff14 [2024-11-22 17:50:13,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b958c283/dad50cafea4945fd89d20a158368f78c [2024-11-22 17:50:13,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:50:13,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:50:13,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:13,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:50:13,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:50:13,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e1e77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13, skipping insertion in model container [2024-11-22 17:50:13,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:50:13,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:13,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:50:13,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:50:13,926 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:50:13,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13 WrapperNode [2024-11-22 17:50:13,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:50:13,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:13,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:50:13,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:50:13,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:13,988 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 392 [2024-11-22 17:50:13,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:50:13,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:50:13,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:50:13,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:50:14,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:50:14,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:50:14,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:50:14,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:50:14,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (1/1) ... [2024-11-22 17:50:14,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:50:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:14,099 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) [2024-11-22 17:50:14,101 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 [2024-11-22 17:50:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-22 17:50:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-22 17:50:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-22 17:50:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:50:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:50:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-22 17:50:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:50:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:50:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-22 17:50:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-22 17:50:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-22 17:50:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:50:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:50:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:50:14,139 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:50:14,263 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:50:14,264 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:50:14,834 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:50:14,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:50:14,868 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:50:14,869 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 17:50:14,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:14 BoogieIcfgContainer [2024-11-22 17:50:14,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:50:14,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:50:14,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:50:14,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:50:14,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:50:13" (1/3) ... [2024-11-22 17:50:14,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dccacea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:14, skipping insertion in model container [2024-11-22 17:50:14,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:50:13" (2/3) ... [2024-11-22 17:50:14,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dccacea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:50:14, skipping insertion in model container [2024-11-22 17:50:14,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:50:14" (3/3) ... [2024-11-22 17:50:14,877 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2024-11-22 17:50:14,888 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:50:14,888 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-22 17:50:14,889 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:50:14,972 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 17:50:15,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 458 transitions, 920 flow [2024-11-22 17:50:15,143 INFO L124 PetriNetUnfolderBase]: 5/457 cut-off events. [2024-11-22 17:50:15,146 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:15,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 457 events. 5/457 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 361 event pairs, 0 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2024-11-22 17:50:15,152 INFO L82 GeneralOperation]: Start removeDead. Operand has 457 places, 458 transitions, 920 flow [2024-11-22 17:50:15,157 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 456 places, 457 transitions, 917 flow [2024-11-22 17:50:15,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:50:15,169 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;@59ac3836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:50:15,169 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-22 17:50:15,180 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:50:15,180 INFO L124 PetriNetUnfolderBase]: 2/102 cut-off events. [2024-11-22 17:50:15,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:15,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:15,181 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:15,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:15,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:15,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1447814669, now seen corresponding path program 1 times [2024-11-22 17:50:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982113576] [2024-11-22 17:50:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:15,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:15,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982113576] [2024-11-22 17:50:15,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982113576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:15,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:15,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:15,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188402592] [2024-11-22 17:50:15,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:16,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:16,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:16,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:16,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:16,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-22 17:50:16,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 457 transitions, 917 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-22 17:50:16,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:16,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-22 17:50:16,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:16,979 INFO L124 PetriNetUnfolderBase]: 365/1812 cut-off events. [2024-11-22 17:50:16,979 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-22 17:50:16,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2668 conditions, 1812 events. 365/1812 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9542 event pairs, 364 based on Foata normal form. 14/1689 useless extension candidates. Maximal degree in co-relation 2256. Up to 837 conditions per place. [2024-11-22 17:50:16,991 INFO L140 encePairwiseOnDemand]: 436/458 looper letters, 108 selfloop transitions, 15 changer transitions 2/450 dead transitions. [2024-11-22 17:50:16,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 450 transitions, 1149 flow [2024-11-22 17:50:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2024-11-22 17:50:17,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7634643377001455 [2024-11-22 17:50:17,010 INFO L175 Difference]: Start difference. First operand has 456 places, 457 transitions, 917 flow. Second operand 6 states and 2098 transitions. [2024-11-22 17:50:17,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 450 transitions, 1149 flow [2024-11-22 17:50:17,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 450 transitions, 1148 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:17,021 INFO L231 Difference]: Finished difference. Result has 457 places, 448 transitions, 928 flow [2024-11-22 17:50:17,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=928, PETRI_PLACES=457, PETRI_TRANSITIONS=448} [2024-11-22 17:50:17,026 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-22 17:50:17,026 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 448 transitions, 928 flow [2024-11-22 17:50:17,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-22 17:50:17,028 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:17,028 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] [2024-11-22 17:50:17,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:50:17,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:17,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:17,029 INFO L85 PathProgramCache]: Analyzing trace with hash -117518850, now seen corresponding path program 1 times [2024-11-22 17:50:17,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:17,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095265234] [2024-11-22 17:50:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:17,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:17,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:17,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095265234] [2024-11-22 17:50:17,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095265234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:17,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:17,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:17,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808242615] [2024-11-22 17:50:17,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:17,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:17,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:18,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-22 17:50:18,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 448 transitions, 928 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-22 17:50:18,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:18,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-22 17:50:18,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:18,293 INFO L124 PetriNetUnfolderBase]: 365/1807 cut-off events. [2024-11-22 17:50:18,293 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:18,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1807 events. 365/1807 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9466 event pairs, 364 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2399. Up to 837 conditions per place. [2024-11-22 17:50:18,299 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 108 selfloop transitions, 15 changer transitions 0/445 dead transitions. [2024-11-22 17:50:18,299 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 445 transitions, 1168 flow [2024-11-22 17:50:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2094 transitions. [2024-11-22 17:50:18,302 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7620087336244541 [2024-11-22 17:50:18,302 INFO L175 Difference]: Start difference. First operand has 457 places, 448 transitions, 928 flow. Second operand 6 states and 2094 transitions. [2024-11-22 17:50:18,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 445 transitions, 1168 flow [2024-11-22 17:50:18,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 445 transitions, 1138 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:18,308 INFO L231 Difference]: Finished difference. Result has 452 places, 445 transitions, 922 flow [2024-11-22 17:50:18,308 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=452, PETRI_TRANSITIONS=445} [2024-11-22 17:50:18,309 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-22 17:50:18,309 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 445 transitions, 922 flow [2024-11-22 17:50:18,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-22 17:50:18,310 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:18,310 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, 1] [2024-11-22 17:50:18,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:50:18,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:18,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:18,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1744197474, now seen corresponding path program 1 times [2024-11-22 17:50:18,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150023996] [2024-11-22 17:50:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:18,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:18,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150023996] [2024-11-22 17:50:18,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150023996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:18,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:18,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:18,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695647828] [2024-11-22 17:50:18,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:18,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:18,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:19,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 458 [2024-11-22 17:50:19,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 445 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2024-11-22 17:50:19,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:19,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 458 [2024-11-22 17:50:19,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:19,283 INFO L124 PetriNetUnfolderBase]: 391/1895 cut-off events. [2024-11-22 17:50:19,283 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:50:19,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2822 conditions, 1895 events. 391/1895 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10224 event pairs, 390 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 2525. Up to 903 conditions per place. [2024-11-22 17:50:19,290 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 122 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-22 17:50:19,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 444 transitions, 1174 flow [2024-11-22 17:50:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2084 transitions. [2024-11-22 17:50:19,348 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7583697234352256 [2024-11-22 17:50:19,348 INFO L175 Difference]: Start difference. First operand has 452 places, 445 transitions, 922 flow. Second operand 6 states and 2084 transitions. [2024-11-22 17:50:19,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 444 transitions, 1174 flow [2024-11-22 17:50:19,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 444 transitions, 1144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:19,354 INFO L231 Difference]: Finished difference. Result has 451 places, 444 transitions, 900 flow [2024-11-22 17:50:19,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=451, PETRI_TRANSITIONS=444} [2024-11-22 17:50:19,356 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -5 predicate places. [2024-11-22 17:50:19,356 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 444 transitions, 900 flow [2024-11-22 17:50:19,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2024-11-22 17:50:19,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:19,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:19,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:50:19,358 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:19,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:19,359 INFO L85 PathProgramCache]: Analyzing trace with hash -640380955, now seen corresponding path program 1 times [2024-11-22 17:50:19,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:19,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591536796] [2024-11-22 17:50:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:19,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:19,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591536796] [2024-11-22 17:50:19,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591536796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:19,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:19,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 17:50:19,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137699962] [2024-11-22 17:50:19,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:19,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:50:19,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:19,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:50:19,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:50:19,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 458 [2024-11-22 17:50:19,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 444 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 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) [2024-11-22 17:50:19,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:19,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 458 [2024-11-22 17:50:19,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:19,554 INFO L124 PetriNetUnfolderBase]: 7/629 cut-off events. [2024-11-22 17:50:19,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:19,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 629 events. 7/629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 631 event pairs, 6 based on Foata normal form. 1/594 useless extension candidates. Maximal degree in co-relation 467. Up to 24 conditions per place. [2024-11-22 17:50:19,557 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 10 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-22 17:50:19,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 445 transitions, 926 flow [2024-11-22 17:50:19,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:50:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:50:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2024-11-22 17:50:19,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9767103347889374 [2024-11-22 17:50:19,559 INFO L175 Difference]: Start difference. First operand has 451 places, 444 transitions, 900 flow. Second operand 3 states and 1342 transitions. [2024-11-22 17:50:19,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 445 transitions, 926 flow [2024-11-22 17:50:19,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 445 transitions, 916 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:19,566 INFO L231 Difference]: Finished difference. Result has 449 places, 445 transitions, 902 flow [2024-11-22 17:50:19,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=449, PETRI_TRANSITIONS=445} [2024-11-22 17:50:19,567 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-22 17:50:19,567 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 445 transitions, 902 flow [2024-11-22 17:50:19,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 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) [2024-11-22 17:50:19,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:19,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:19,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:50:19,568 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:19,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1927925640, now seen corresponding path program 1 times [2024-11-22 17:50:19,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:19,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32081983] [2024-11-22 17:50:19,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:20,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:20,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32081983] [2024-11-22 17:50:20,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32081983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:20,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:20,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:20,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673673353] [2024-11-22 17:50:20,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:20,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:20,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:20,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:20,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:20,928 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 458 [2024-11-22 17:50:20,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 445 transitions, 902 flow. Second operand has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 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) [2024-11-22 17:50:20,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:20,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 458 [2024-11-22 17:50:20,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:21,142 INFO L124 PetriNetUnfolderBase]: 55/870 cut-off events. [2024-11-22 17:50:21,143 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-22 17:50:21,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 870 events. 55/870 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2239 event pairs, 54 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 887. Up to 219 conditions per place. [2024-11-22 17:50:21,145 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 81 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-22 17:50:21,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 444 transitions, 1072 flow [2024-11-22 17:50:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2294 transitions. [2024-11-22 17:50:21,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8347889374090247 [2024-11-22 17:50:21,148 INFO L175 Difference]: Start difference. First operand has 449 places, 445 transitions, 902 flow. Second operand 6 states and 2294 transitions. [2024-11-22 17:50:21,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 444 transitions, 1072 flow [2024-11-22 17:50:21,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 444 transitions, 1070 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:21,154 INFO L231 Difference]: Finished difference. Result has 452 places, 444 transitions, 908 flow [2024-11-22 17:50:21,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=452, PETRI_TRANSITIONS=444} [2024-11-22 17:50:21,157 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-22 17:50:21,157 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 444 transitions, 908 flow [2024-11-22 17:50:21,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 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) [2024-11-22 17:50:21,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:21,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:21,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:50:21,159 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash 235622532, now seen corresponding path program 1 times [2024-11-22 17:50:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019068564] [2024-11-22 17:50:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:21,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:21,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019068564] [2024-11-22 17:50:21,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019068564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:21,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:21,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:21,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108614440] [2024-11-22 17:50:21,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:21,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:21,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:21,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:21,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:22,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 458 [2024-11-22 17:50:22,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 444 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2024-11-22 17:50:22,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:22,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 458 [2024-11-22 17:50:22,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:22,510 INFO L124 PetriNetUnfolderBase]: 37/783 cut-off events. [2024-11-22 17:50:22,510 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:50:22,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 783 events. 37/783 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1736 event pairs, 36 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 755. Up to 190 conditions per place. [2024-11-22 17:50:22,513 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 85 selfloop transitions, 15 changer transitions 0/441 dead transitions. [2024-11-22 17:50:22,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 441 transitions, 1102 flow [2024-11-22 17:50:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2209 transitions. [2024-11-22 17:50:22,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8038573508005823 [2024-11-22 17:50:22,518 INFO L175 Difference]: Start difference. First operand has 452 places, 444 transitions, 908 flow. Second operand 6 states and 2209 transitions. [2024-11-22 17:50:22,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 441 transitions, 1102 flow [2024-11-22 17:50:22,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 441 transitions, 1092 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:22,525 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 922 flow [2024-11-22 17:50:22,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-22 17:50:22,527 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-22 17:50:22,528 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 922 flow [2024-11-22 17:50:22,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2024-11-22 17:50:22,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:22,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:22,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:50:22,529 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:22,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:22,530 INFO L85 PathProgramCache]: Analyzing trace with hash -800702376, now seen corresponding path program 1 times [2024-11-22 17:50:22,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:22,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334590839] [2024-11-22 17:50:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:22,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:22,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:22,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334590839] [2024-11-22 17:50:22,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334590839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:22,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:22,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:22,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82113278] [2024-11-22 17:50:22,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:22,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:22,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:22,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:22,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:23,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 458 [2024-11-22 17:50:23,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 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) [2024-11-22 17:50:23,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:23,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 458 [2024-11-22 17:50:23,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:23,710 INFO L124 PetriNetUnfolderBase]: 365/1905 cut-off events. [2024-11-22 17:50:23,710 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:23,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2844 conditions, 1905 events. 365/1905 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9489 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2457. Up to 890 conditions per place. [2024-11-22 17:50:23,717 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 123 selfloop transitions, 15 changer transitions 0/438 dead transitions. [2024-11-22 17:50:23,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 438 transitions, 1192 flow [2024-11-22 17:50:23,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2019 transitions. [2024-11-22 17:50:23,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7347161572052402 [2024-11-22 17:50:23,720 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 922 flow. Second operand 6 states and 2019 transitions. [2024-11-22 17:50:23,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 438 transitions, 1192 flow [2024-11-22 17:50:23,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 438 transitions, 1162 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:23,726 INFO L231 Difference]: Finished difference. Result has 446 places, 438 transitions, 916 flow [2024-11-22 17:50:23,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=916, PETRI_PLACES=446, PETRI_TRANSITIONS=438} [2024-11-22 17:50:23,727 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -10 predicate places. [2024-11-22 17:50:23,727 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 438 transitions, 916 flow [2024-11-22 17:50:23,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 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) [2024-11-22 17:50:23,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:23,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:23,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:50:23,729 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:23,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash 76021102, now seen corresponding path program 1 times [2024-11-22 17:50:23,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:23,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584172504] [2024-11-22 17:50:23,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:24,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:24,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584172504] [2024-11-22 17:50:24,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584172504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:24,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:24,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:24,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411663091] [2024-11-22 17:50:24,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:24,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:24,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:24,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:24,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:24,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 458 [2024-11-22 17:50:24,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 438 transitions, 916 flow. Second operand has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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) [2024-11-22 17:50:24,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:24,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 458 [2024-11-22 17:50:24,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:24,815 INFO L124 PetriNetUnfolderBase]: 365/1901 cut-off events. [2024-11-22 17:50:24,815 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:50:24,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1901 events. 365/1901 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9454 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2453. Up to 886 conditions per place. [2024-11-22 17:50:24,820 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 120 selfloop transitions, 15 changer transitions 0/435 dead transitions. [2024-11-22 17:50:24,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 435 transitions, 1180 flow [2024-11-22 17:50:24,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:24,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2034 transitions. [2024-11-22 17:50:24,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.740174672489083 [2024-11-22 17:50:24,824 INFO L175 Difference]: Start difference. First operand has 446 places, 438 transitions, 916 flow. Second operand 6 states and 2034 transitions. [2024-11-22 17:50:24,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 435 transitions, 1180 flow [2024-11-22 17:50:24,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 435 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:24,829 INFO L231 Difference]: Finished difference. Result has 443 places, 435 transitions, 910 flow [2024-11-22 17:50:24,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=443, PETRI_TRANSITIONS=435} [2024-11-22 17:50:24,830 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -13 predicate places. [2024-11-22 17:50:24,830 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 435 transitions, 910 flow [2024-11-22 17:50:24,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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) [2024-11-22 17:50:24,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:24,832 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:24,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:50:24,832 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:24,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2099206652, now seen corresponding path program 1 times [2024-11-22 17:50:24,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:24,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332334893] [2024-11-22 17:50:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:25,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:25,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332334893] [2024-11-22 17:50:25,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332334893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:25,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557799294] [2024-11-22 17:50:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:25,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:25,012 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) [2024-11-22 17:50:25,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 17:50:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:25,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 17:50:25,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:25,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:25,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557799294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:25,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:25,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 17:50:25,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976974232] [2024-11-22 17:50:25,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:25,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 17:50:25,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:25,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 17:50:25,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 17:50:25,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-22 17:50:25,641 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 435 transitions, 910 flow. Second operand has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 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) [2024-11-22 17:50:25,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:25,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-22 17:50:25,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:25,788 INFO L124 PetriNetUnfolderBase]: 7/723 cut-off events. [2024-11-22 17:50:25,788 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:50:25,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 723 events. 7/723 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 394 event pairs, 6 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2024-11-22 17:50:25,790 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 14 selfloop transitions, 9 changer transitions 0/443 dead transitions. [2024-11-22 17:50:25,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 443 transitions, 974 flow [2024-11-22 17:50:25,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 17:50:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 17:50:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3985 transitions. [2024-11-22 17:50:25,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9667637069383794 [2024-11-22 17:50:25,797 INFO L175 Difference]: Start difference. First operand has 443 places, 435 transitions, 910 flow. Second operand 9 states and 3985 transitions. [2024-11-22 17:50:25,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 443 transitions, 974 flow [2024-11-22 17:50:25,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 944 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:25,803 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 930 flow [2024-11-22 17:50:25,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=930, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-22 17:50:25,804 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-22 17:50:25,804 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 930 flow [2024-11-22 17:50:25,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 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) [2024-11-22 17:50:25,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:25,807 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:25,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 17:50:26,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:26,008 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:26,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:26,008 INFO L85 PathProgramCache]: Analyzing trace with hash -903834110, now seen corresponding path program 2 times [2024-11-22 17:50:26,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:26,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828726464] [2024-11-22 17:50:26,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:26,091 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:26,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-22 17:50:26,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:26,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828726464] [2024-11-22 17:50:26,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828726464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:26,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:26,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:26,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572386307] [2024-11-22 17:50:26,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:26,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:26,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:26,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:26,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:27,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 458 [2024-11-22 17:50:27,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 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) [2024-11-22 17:50:27,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:27,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 458 [2024-11-22 17:50:27,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:27,467 INFO L124 PetriNetUnfolderBase]: 257/1976 cut-off events. [2024-11-22 17:50:27,467 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-22 17:50:27,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 1976 events. 257/1976 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9125 event pairs, 37 based on Foata normal form. 0/1853 useless extension candidates. Maximal degree in co-relation 2169. Up to 515 conditions per place. [2024-11-22 17:50:27,473 INFO L140 encePairwiseOnDemand]: 429/458 looper letters, 91 selfloop transitions, 75 changer transitions 0/518 dead transitions. [2024-11-22 17:50:27,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 518 transitions, 1416 flow [2024-11-22 17:50:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:27,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2358 transitions. [2024-11-22 17:50:27,476 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8580786026200873 [2024-11-22 17:50:27,476 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 930 flow. Second operand 6 states and 2358 transitions. [2024-11-22 17:50:27,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 518 transitions, 1416 flow [2024-11-22 17:50:27,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 518 transitions, 1410 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-22 17:50:27,484 INFO L231 Difference]: Finished difference. Result has 457 places, 509 transitions, 1404 flow [2024-11-22 17:50:27,484 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1404, PETRI_PLACES=457, PETRI_TRANSITIONS=509} [2024-11-22 17:50:27,485 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-22 17:50:27,485 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 509 transitions, 1404 flow [2024-11-22 17:50:27,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 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) [2024-11-22 17:50:27,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:27,486 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:27,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 17:50:27,486 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:27,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1442276429, now seen corresponding path program 1 times [2024-11-22 17:50:27,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108664633] [2024-11-22 17:50:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:27,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:27,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108664633] [2024-11-22 17:50:27,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108664633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:27,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916209309] [2024-11-22 17:50:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:27,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:27,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:27,938 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) [2024-11-22 17:50:27,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 17:50:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:28,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 17:50:28,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:28,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:28,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916209309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:28,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:28,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-22 17:50:28,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171982186] [2024-11-22 17:50:28,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:28,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 17:50:28,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:28,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 17:50:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 17:50:29,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-22 17:50:29,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 509 transitions, 1404 flow. Second operand has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 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) [2024-11-22 17:50:29,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:29,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-22 17:50:29,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:29,613 INFO L124 PetriNetUnfolderBase]: 166/2172 cut-off events. [2024-11-22 17:50:29,614 INFO L125 PetriNetUnfolderBase]: For 184/198 co-relation queries the response was YES. [2024-11-22 17:50:29,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2909 conditions, 2172 events. 166/2172 cut-off events. For 184/198 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7464 event pairs, 23 based on Foata normal form. 4/2089 useless extension candidates. Maximal degree in co-relation 2012. Up to 208 conditions per place. [2024-11-22 17:50:29,620 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 19 selfloop transitions, 21 changer transitions 0/527 dead transitions. [2024-11-22 17:50:29,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 527 transitions, 1572 flow [2024-11-22 17:50:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 17:50:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-22 17:50:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9283 transitions. [2024-11-22 17:50:29,632 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9651694739030984 [2024-11-22 17:50:29,632 INFO L175 Difference]: Start difference. First operand has 457 places, 509 transitions, 1404 flow. Second operand 21 states and 9283 transitions. [2024-11-22 17:50:29,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 527 transitions, 1572 flow [2024-11-22 17:50:29,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 527 transitions, 1572 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:29,641 INFO L231 Difference]: Finished difference. Result has 482 places, 522 transitions, 1534 flow [2024-11-22 17:50:29,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1404, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1534, PETRI_PLACES=482, PETRI_TRANSITIONS=522} [2024-11-22 17:50:29,642 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 26 predicate places. [2024-11-22 17:50:29,643 INFO L471 AbstractCegarLoop]: Abstraction has has 482 places, 522 transitions, 1534 flow [2024-11-22 17:50:29,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 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) [2024-11-22 17:50:29,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:29,645 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:29,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 17:50:29,846 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,SelfDestructingSolverStorable10 [2024-11-22 17:50:29,846 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:29,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1893180873, now seen corresponding path program 2 times [2024-11-22 17:50:29,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:29,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656881996] [2024-11-22 17:50:29,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:29,956 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:29,957 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-11-22 17:50:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656881996] [2024-11-22 17:50:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656881996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:30,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:30,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:30,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502394289] [2024-11-22 17:50:30,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:30,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:30,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:30,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-22 17:50:30,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 522 transitions, 1534 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2024-11-22 17:50:30,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:30,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-22 17:50:30,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:31,440 INFO L124 PetriNetUnfolderBase]: 227/2346 cut-off events. [2024-11-22 17:50:31,441 INFO L125 PetriNetUnfolderBase]: For 437/481 co-relation queries the response was YES. [2024-11-22 17:50:31,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3668 conditions, 2346 events. 227/2346 cut-off events. For 437/481 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8637 event pairs, 55 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 2566. Up to 564 conditions per place. [2024-11-22 17:50:31,449 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 142 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-22 17:50:31,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 521 transitions, 1826 flow [2024-11-22 17:50:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:31,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2309 transitions. [2024-11-22 17:50:31,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8402474526928675 [2024-11-22 17:50:31,454 INFO L175 Difference]: Start difference. First operand has 482 places, 522 transitions, 1534 flow. Second operand 6 states and 2309 transitions. [2024-11-22 17:50:31,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 521 transitions, 1826 flow [2024-11-22 17:50:31,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 521 transitions, 1802 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-22 17:50:31,461 INFO L231 Difference]: Finished difference. Result has 480 places, 521 transitions, 1518 flow [2024-11-22 17:50:31,462 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1518, PETRI_PLACES=480, PETRI_TRANSITIONS=521} [2024-11-22 17:50:31,463 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 24 predicate places. [2024-11-22 17:50:31,463 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 521 transitions, 1518 flow [2024-11-22 17:50:31,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2024-11-22 17:50:31,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:31,468 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:31,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 17:50:31,469 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:31,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash -996926539, now seen corresponding path program 1 times [2024-11-22 17:50:31,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:31,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846261954] [2024-11-22 17:50:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:31,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:32,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:32,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846261954] [2024-11-22 17:50:32,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846261954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:50:32,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097441702] [2024-11-22 17:50:32,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:32,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:50:32,848 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) [2024-11-22 17:50:32,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 17:50:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:33,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 17:50:33,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:50:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:34,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:50:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:50:34,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097441702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 17:50:34,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 17:50:34,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-22 17:50:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459498824] [2024-11-22 17:50:34,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 17:50:34,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-22 17:50:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:34,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-22 17:50:34,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-22 17:50:35,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-22 17:50:35,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 521 transitions, 1518 flow. Second operand has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 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) [2024-11-22 17:50:35,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:35,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-22 17:50:35,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:35,816 INFO L124 PetriNetUnfolderBase]: 173/2503 cut-off events. [2024-11-22 17:50:35,816 INFO L125 PetriNetUnfolderBase]: For 301/308 co-relation queries the response was YES. [2024-11-22 17:50:35,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3342 conditions, 2503 events. 173/2503 cut-off events. For 301/308 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7549 event pairs, 23 based on Foata normal form. 3/2420 useless extension candidates. Maximal degree in co-relation 2058. Up to 208 conditions per place. [2024-11-22 17:50:35,822 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 22 selfloop transitions, 30 changer transitions 0/538 dead transitions. [2024-11-22 17:50:35,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 538 transitions, 1744 flow [2024-11-22 17:50:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-22 17:50:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-22 17:50:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 13254 transitions. [2024-11-22 17:50:35,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9646288209606987 [2024-11-22 17:50:35,835 INFO L175 Difference]: Start difference. First operand has 480 places, 521 transitions, 1518 flow. Second operand 30 states and 13254 transitions. [2024-11-22 17:50:35,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 538 transitions, 1744 flow [2024-11-22 17:50:35,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 538 transitions, 1734 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:50:35,843 INFO L231 Difference]: Finished difference. Result has 508 places, 531 transitions, 1660 flow [2024-11-22 17:50:35,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1660, PETRI_PLACES=508, PETRI_TRANSITIONS=531} [2024-11-22 17:50:35,844 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 52 predicate places. [2024-11-22 17:50:35,844 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 531 transitions, 1660 flow [2024-11-22 17:50:35,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 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) [2024-11-22 17:50:35,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:35,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:35,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 17:50:36,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:50:36,047 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:36,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:36,048 INFO L85 PathProgramCache]: Analyzing trace with hash -754270958, now seen corresponding path program 2 times [2024-11-22 17:50:36,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:36,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167844360] [2024-11-22 17:50:36,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 17:50:36,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:36,192 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 17:50:36,192 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 17:50:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:50:36,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:36,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167844360] [2024-11-22 17:50:36,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167844360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:36,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:36,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:36,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062542] [2024-11-22 17:50:36,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:36,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:36,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:36,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:36,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:36,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-22 17:50:36,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 531 transitions, 1660 flow. Second operand has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 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) [2024-11-22 17:50:36,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:36,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-22 17:50:36,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:38,132 INFO L124 PetriNetUnfolderBase]: 545/3579 cut-off events. [2024-11-22 17:50:38,132 INFO L125 PetriNetUnfolderBase]: For 935/1028 co-relation queries the response was YES. [2024-11-22 17:50:38,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6089 conditions, 3579 events. 545/3579 cut-off events. For 935/1028 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16086 event pairs, 93 based on Foata normal form. 16/3430 useless extension candidates. Maximal degree in co-relation 4524. Up to 1089 conditions per place. [2024-11-22 17:50:38,143 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 155 selfloop transitions, 130 changer transitions 0/668 dead transitions. [2024-11-22 17:50:38,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 668 transitions, 2880 flow [2024-11-22 17:50:38,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2387 transitions. [2024-11-22 17:50:38,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.86863173216885 [2024-11-22 17:50:38,145 INFO L175 Difference]: Start difference. First operand has 508 places, 531 transitions, 1660 flow. Second operand 6 states and 2387 transitions. [2024-11-22 17:50:38,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 668 transitions, 2880 flow [2024-11-22 17:50:38,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 668 transitions, 2834 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-22 17:50:38,155 INFO L231 Difference]: Finished difference. Result has 500 places, 660 transitions, 2842 flow [2024-11-22 17:50:38,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1614, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2842, PETRI_PLACES=500, PETRI_TRANSITIONS=660} [2024-11-22 17:50:38,156 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 44 predicate places. [2024-11-22 17:50:38,156 INFO L471 AbstractCegarLoop]: Abstraction has has 500 places, 660 transitions, 2842 flow [2024-11-22 17:50:38,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 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) [2024-11-22 17:50:38,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:38,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:38,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 17:50:38,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:38,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1387782814, now seen corresponding path program 1 times [2024-11-22 17:50:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:38,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915062369] [2024-11-22 17:50:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:50:41,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:41,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915062369] [2024-11-22 17:50:41,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915062369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:41,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122881992] [2024-11-22 17:50:41,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:41,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:41,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:41,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:41,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 458 [2024-11-22 17:50:41,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 660 transitions, 2842 flow. Second operand has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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) [2024-11-22 17:50:41,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:41,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 458 [2024-11-22 17:50:41,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:43,115 INFO L124 PetriNetUnfolderBase]: 821/4345 cut-off events. [2024-11-22 17:50:43,115 INFO L125 PetriNetUnfolderBase]: For 3315/3529 co-relation queries the response was YES. [2024-11-22 17:50:43,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8947 conditions, 4345 events. 821/4345 cut-off events. For 3315/3529 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22353 event pairs, 74 based on Foata normal form. 76/4246 useless extension candidates. Maximal degree in co-relation 7399. Up to 1348 conditions per place. [2024-11-22 17:50:43,136 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 276 selfloop transitions, 131 changer transitions 5/798 dead transitions. [2024-11-22 17:50:43,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 798 transitions, 4566 flow [2024-11-22 17:50:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2383 transitions. [2024-11-22 17:50:43,138 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8671761280931587 [2024-11-22 17:50:43,138 INFO L175 Difference]: Start difference. First operand has 500 places, 660 transitions, 2842 flow. Second operand 6 states and 2383 transitions. [2024-11-22 17:50:43,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 798 transitions, 4566 flow [2024-11-22 17:50:43,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 798 transitions, 4566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:43,155 INFO L231 Difference]: Finished difference. Result has 510 places, 788 transitions, 4322 flow [2024-11-22 17:50:43,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=2842, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4322, PETRI_PLACES=510, PETRI_TRANSITIONS=788} [2024-11-22 17:50:43,156 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 54 predicate places. [2024-11-22 17:50:43,156 INFO L471 AbstractCegarLoop]: Abstraction has has 510 places, 788 transitions, 4322 flow [2024-11-22 17:50:43,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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) [2024-11-22 17:50:43,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:43,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:43,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 17:50:43,157 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:43,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:43,158 INFO L85 PathProgramCache]: Analyzing trace with hash 499502022, now seen corresponding path program 1 times [2024-11-22 17:50:43,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:43,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597650774] [2024-11-22 17:50:43,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:43,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:50:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-22 17:50:46,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:50:46,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597650774] [2024-11-22 17:50:46,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597650774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:50:46,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:50:46,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:50:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071090304] [2024-11-22 17:50:46,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:50:46,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:50:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:50:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:50:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:50:46,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 458 [2024-11-22 17:50:46,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 788 transitions, 4322 flow. Second operand has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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) [2024-11-22 17:50:46,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:50:46,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 458 [2024-11-22 17:50:46,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:50:48,062 INFO L124 PetriNetUnfolderBase]: 1308/5674 cut-off events. [2024-11-22 17:50:48,062 INFO L125 PetriNetUnfolderBase]: For 4851/4908 co-relation queries the response was YES. [2024-11-22 17:50:48,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13603 conditions, 5674 events. 1308/5674 cut-off events. For 4851/4908 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33905 event pairs, 369 based on Foata normal form. 11/5440 useless extension candidates. Maximal degree in co-relation 11971. Up to 2589 conditions per place. [2024-11-22 17:50:48,084 INFO L140 encePairwiseOnDemand]: 439/458 looper letters, 356 selfloop transitions, 84 changer transitions 0/867 dead transitions. [2024-11-22 17:50:48,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 867 transitions, 5600 flow [2024-11-22 17:50:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:50:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:50:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2186 transitions. [2024-11-22 17:50:48,086 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7954876273653566 [2024-11-22 17:50:48,087 INFO L175 Difference]: Start difference. First operand has 510 places, 788 transitions, 4322 flow. Second operand 6 states and 2186 transitions. [2024-11-22 17:50:48,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 867 transitions, 5600 flow [2024-11-22 17:50:48,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 867 transitions, 5346 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-22 17:50:48,110 INFO L231 Difference]: Finished difference. Result has 519 places, 859 transitions, 4858 flow [2024-11-22 17:50:48,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=4074, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4858, PETRI_PLACES=519, PETRI_TRANSITIONS=859} [2024-11-22 17:50:48,111 INFO L277 CegarLoopForPetriNet]: 456 programPoint places, 63 predicate places. [2024-11-22 17:50:48,111 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 859 transitions, 4858 flow [2024-11-22 17:50:48,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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) [2024-11-22 17:50:48,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:50:48,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:50:48,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 17:50:48,112 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-22 17:50:48,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:50:48,112 INFO L85 PathProgramCache]: Analyzing trace with hash 350580044, now seen corresponding path program 1 times [2024-11-22 17:50:48,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:50:48,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881067065] [2024-11-22 17:50:48,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:50:48,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:50:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 182 proven. 2401 refuted. 0 times theorem prover too weak. 2197 trivial. 0 not checked. [2024-11-22 17:51:14,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:51:14,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881067065] [2024-11-22 17:51:14,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881067065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:14,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394635862] [2024-11-22 17:51:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:51:14,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 17:51:14,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:51:14,167 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) [2024-11-22 17:51:14,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 17:51:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:51:15,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 4988 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-22 17:51:15,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 17:51:15,718 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-22 17:51:15,719 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 17 treesize of output 21 [2024-11-22 17:51:16,106 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:16,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:16,762 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:16,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:17,109 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:17,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:17,912 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:17,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:18,197 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:18,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:18,765 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:18,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:19,105 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:19,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:19,692 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:19,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:20,061 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:20,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:20,661 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:20,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:20,923 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:20,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:21,396 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:21,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:21,646 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:21,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:22,073 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:22,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:22,362 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:22,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:22,879 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:22,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:23,177 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:23,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:23,655 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-22 17:51:23,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-22 17:51:23,959 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:23,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:24,719 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-22 17:51:24,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-22 17:51:25,515 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-22 17:51:25,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-22 17:51:25,577 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 [2024-11-22 17:51:25,606 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 25 treesize of output 24 [2024-11-22 17:51:25,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 17:51:25,643 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 36 treesize of output 38 [2024-11-22 17:51:25,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 17:51:25,681 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 47 treesize of output 52 [2024-11-22 17:51:25,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 17:51:25,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 55 [2024-11-22 17:51:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 95 proven. 260 refuted. 0 times theorem prover too weak. 4425 trivial. 0 not checked. [2024-11-22 17:51:25,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 17:51:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 4716 trivial. 0 not checked. [2024-11-22 17:51:27,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394635862] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 17:51:27,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 17:51:27,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [28, 16] total 48 [2024-11-22 17:51:27,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624964720] [2024-11-22 17:51:27,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:51:27,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 17:51:27,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:51:27,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 17:51:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=2073, Unknown=0, NotChecked=0, Total=2352