./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:56:30,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:56:30,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:56:30,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:56:30,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:56:30,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:56:30,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:56:30,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:56:30,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:56:30,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:56:30,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:56:30,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:56:30,844 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:56:30,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:56:30,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:56:30,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:56:30,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:56:30,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:56:30,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:56:30,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:56:30,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:56:30,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:56:30,850 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:56:30,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:56:30,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:56:30,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:56:30,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:56:30,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:56:30,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:56:30,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:56:30,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:56:30,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:56:30,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:56:30,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:56:30,853 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:56:30,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:56:30,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a [2024-11-19 05:56:31,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:56:31,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:56:31,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:56:31,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:56:31,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:56:31,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-11-19 05:56:32,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:56:32,709 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:56:32,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-11-19 05:56:32,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0ff6ef1/a5c110de0bed4e5787ff7bd3f0db6b22/FLAGa99b5d582 [2024-11-19 05:56:32,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea0ff6ef1/a5c110de0bed4e5787ff7bd3f0db6b22 [2024-11-19 05:56:32,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:56:32,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:56:32,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:56:32,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:56:32,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:56:32,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:56:32" (1/1) ... [2024-11-19 05:56:32,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398d124b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:32, skipping insertion in model container [2024-11-19 05:56:32,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:56:32" (1/1) ... [2024-11-19 05:56:32,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:56:32,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:56:32,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:56:33,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:56:33,085 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:56:33,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33 WrapperNode [2024-11-19 05:56:33,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:56:33,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:56:33,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:56:33,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:56:33,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,142 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 277 [2024-11-19 05:56:33,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:56:33,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:56:33,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:56:33,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:56:33,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:56:33,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:56:33,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:56:33,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:56:33,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (1/1) ... [2024-11-19 05:56:33,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:56:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:33,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:56:33,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:56:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:56:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:56:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:56:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:56:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:56:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:56:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:56:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:56:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:56:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:56:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:56:33,307 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:56:33,419 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:56:33,421 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:56:33,876 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:56:33,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:56:33,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:56:33,908 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 05:56:33,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:56:33 BoogieIcfgContainer [2024-11-19 05:56:33,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:56:33,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:56:33,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:56:33,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:56:33,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:56:32" (1/3) ... [2024-11-19 05:56:33,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd21595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:56:33, skipping insertion in model container [2024-11-19 05:56:33,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:56:33" (2/3) ... [2024-11-19 05:56:33,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd21595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:56:33, skipping insertion in model container [2024-11-19 05:56:33,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:56:33" (3/3) ... [2024-11-19 05:56:33,924 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-11-19 05:56:33,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:56:33,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-19 05:56:33,954 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:56:34,050 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:56:34,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 334 places, 346 transitions, 706 flow [2024-11-19 05:56:34,162 INFO L124 PetriNetUnfolderBase]: 19/344 cut-off events. [2024-11-19 05:56:34,163 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:56:34,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 19/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 657 event pairs, 0 based on Foata normal form. 0/295 useless extension candidates. Maximal degree in co-relation 236. Up to 3 conditions per place. [2024-11-19 05:56:34,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 334 places, 346 transitions, 706 flow [2024-11-19 05:56:34,175 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 327 transitions, 666 flow [2024-11-19 05:56:34,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:56:34,187 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;@5f97e5b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:56:34,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-19 05:56:34,196 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:56:34,196 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2024-11-19 05:56:34,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:56:34,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:34,197 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] [2024-11-19 05:56:34,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:34,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:34,202 INFO L85 PathProgramCache]: Analyzing trace with hash 7340901, now seen corresponding path program 1 times [2024-11-19 05:56:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:34,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833205872] [2024-11-19 05:56:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:34,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:34,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833205872] [2024-11-19 05:56:34,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833205872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:34,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:34,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:34,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582839555] [2024-11-19 05:56:34,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:34,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:34,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:34,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:34,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:35,271 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 346 [2024-11-19 05:56:35,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 327 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:35,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:35,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 346 [2024-11-19 05:56:35,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:35,746 INFO L124 PetriNetUnfolderBase]: 424/2283 cut-off events. [2024-11-19 05:56:35,747 INFO L125 PetriNetUnfolderBase]: For 157/158 co-relation queries the response was YES. [2024-11-19 05:56:35,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3088 conditions, 2283 events. 424/2283 cut-off events. For 157/158 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 16082 event pairs, 288 based on Foata normal form. 100/1987 useless extension candidates. Maximal degree in co-relation 2685. Up to 709 conditions per place. [2024-11-19 05:56:35,779 INFO L140 encePairwiseOnDemand]: 324/346 looper letters, 52 selfloop transitions, 10 changer transitions 4/315 dead transitions. [2024-11-19 05:56:35,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 766 flow [2024-11-19 05:56:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1694 transitions. [2024-11-19 05:56:35,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8159922928709056 [2024-11-19 05:56:35,802 INFO L175 Difference]: Start difference. First operand has 316 places, 327 transitions, 666 flow. Second operand 6 states and 1694 transitions. [2024-11-19 05:56:35,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 766 flow [2024-11-19 05:56:35,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 758 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:56:35,816 INFO L231 Difference]: Finished difference. Result has 315 places, 311 transitions, 646 flow [2024-11-19 05:56:35,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=646, PETRI_PLACES=315, PETRI_TRANSITIONS=311} [2024-11-19 05:56:35,823 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -1 predicate places. [2024-11-19 05:56:35,825 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 311 transitions, 646 flow [2024-11-19 05:56:35,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.5) internal successors, (1629), 6 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:35,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:35,827 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] [2024-11-19 05:56:35,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:56:35,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:35,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash -668924992, now seen corresponding path program 1 times [2024-11-19 05:56:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490215017] [2024-11-19 05:56:35,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490215017] [2024-11-19 05:56:35,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490215017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:35,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:35,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:35,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195222208] [2024-11-19 05:56:35,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:35,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:35,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:35,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346 [2024-11-19 05:56:35,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 311 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:35,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:35,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346 [2024-11-19 05:56:35,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:35,975 INFO L124 PetriNetUnfolderBase]: 22/488 cut-off events. [2024-11-19 05:56:35,975 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-19 05:56:35,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 488 events. 22/488 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1546 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 501. Up to 28 conditions per place. [2024-11-19 05:56:35,980 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 11 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-19 05:56:35,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 670 flow [2024-11-19 05:56:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-19 05:56:35,983 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354527938342967 [2024-11-19 05:56:35,983 INFO L175 Difference]: Start difference. First operand has 315 places, 311 transitions, 646 flow. Second operand 3 states and 971 transitions. [2024-11-19 05:56:35,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 670 flow [2024-11-19 05:56:35,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 310 transitions, 650 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:35,989 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 628 flow [2024-11-19 05:56:35,989 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2024-11-19 05:56:35,990 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2024-11-19 05:56:35,990 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 628 flow [2024-11-19 05:56:35,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:35,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:35,991 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] [2024-11-19 05:56:35,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:56:35,992 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:35,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:35,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2033357872, now seen corresponding path program 1 times [2024-11-19 05:56:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:35,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253965701] [2024-11-19 05:56:35,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253965701] [2024-11-19 05:56:36,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253965701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698575326] [2024-11-19 05:56:36,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 346 [2024-11-19 05:56:36,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 346 [2024-11-19 05:56:36,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,134 INFO L124 PetriNetUnfolderBase]: 22/487 cut-off events. [2024-11-19 05:56:36,135 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-19 05:56:36,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 487 events. 22/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1433 event pairs, 8 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 456. Up to 28 conditions per place. [2024-11-19 05:56:36,138 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 11 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-19 05:56:36,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 652 flow [2024-11-19 05:56:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-19 05:56:36,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354527938342967 [2024-11-19 05:56:36,141 INFO L175 Difference]: Start difference. First operand has 307 places, 310 transitions, 628 flow. Second operand 3 states and 971 transitions. [2024-11-19 05:56:36,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 652 flow [2024-11-19 05:56:36,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:36,145 INFO L231 Difference]: Finished difference. Result has 306 places, 309 transitions, 626 flow [2024-11-19 05:56:36,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=306, PETRI_TRANSITIONS=309} [2024-11-19 05:56:36,147 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -10 predicate places. [2024-11-19 05:56:36,147 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 309 transitions, 626 flow [2024-11-19 05:56:36,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,148 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:36,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:56:36,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash -443523946, now seen corresponding path program 1 times [2024-11-19 05:56:36,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675724130] [2024-11-19 05:56:36,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675724130] [2024-11-19 05:56:36,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675724130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662810124] [2024-11-19 05:56:36,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,232 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346 [2024-11-19 05:56:36,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346 [2024-11-19 05:56:36,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,276 INFO L124 PetriNetUnfolderBase]: 17/468 cut-off events. [2024-11-19 05:56:36,277 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:56:36,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 468 events. 17/468 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1428 event pairs, 3 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 377. Up to 16 conditions per place. [2024-11-19 05:56:36,281 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-19 05:56:36,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 308 transitions, 646 flow [2024-11-19 05:56:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-19 05:56:36,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029 [2024-11-19 05:56:36,283 INFO L175 Difference]: Start difference. First operand has 306 places, 309 transitions, 626 flow. Second operand 3 states and 975 transitions. [2024-11-19 05:56:36,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 308 transitions, 646 flow [2024-11-19 05:56:36,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 308 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:36,287 INFO L231 Difference]: Finished difference. Result has 305 places, 308 transitions, 624 flow [2024-11-19 05:56:36,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=305, PETRI_TRANSITIONS=308} [2024-11-19 05:56:36,289 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -11 predicate places. [2024-11-19 05:56:36,289 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 308 transitions, 624 flow [2024-11-19 05:56:36,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,290 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] [2024-11-19 05:56:36,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:56:36,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,292 INFO L85 PathProgramCache]: Analyzing trace with hash -754061302, now seen corresponding path program 1 times [2024-11-19 05:56:36,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534111759] [2024-11-19 05:56:36,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534111759] [2024-11-19 05:56:36,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534111759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538076798] [2024-11-19 05:56:36,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 346 [2024-11-19 05:56:36,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 346 [2024-11-19 05:56:36,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,394 INFO L124 PetriNetUnfolderBase]: 14/395 cut-off events. [2024-11-19 05:56:36,394 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-19 05:56:36,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 395 events. 14/395 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 963 event pairs, 3 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 296. Up to 16 conditions per place. [2024-11-19 05:56:36,397 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-11-19 05:56:36,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 307 transitions, 644 flow [2024-11-19 05:56:36,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-19 05:56:36,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393063583815029 [2024-11-19 05:56:36,399 INFO L175 Difference]: Start difference. First operand has 305 places, 308 transitions, 624 flow. Second operand 3 states and 975 transitions. [2024-11-19 05:56:36,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 307 transitions, 644 flow [2024-11-19 05:56:36,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:36,403 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 622 flow [2024-11-19 05:56:36,403 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2024-11-19 05:56:36,406 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2024-11-19 05:56:36,406 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 622 flow [2024-11-19 05:56:36,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,407 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] [2024-11-19 05:56:36,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:56:36,408 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,409 INFO L85 PathProgramCache]: Analyzing trace with hash 470308048, now seen corresponding path program 1 times [2024-11-19 05:56:36,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43658609] [2024-11-19 05:56:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43658609] [2024-11-19 05:56:36,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43658609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656861741] [2024-11-19 05:56:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346 [2024-11-19 05:56:36,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346 [2024-11-19 05:56:36,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,547 INFO L124 PetriNetUnfolderBase]: 31/684 cut-off events. [2024-11-19 05:56:36,547 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:56:36,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 684 events. 31/684 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2991 event pairs, 5 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 589. Up to 25 conditions per place. [2024-11-19 05:56:36,551 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-19 05:56:36,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 649 flow [2024-11-19 05:56:36,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-19 05:56:36,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-19 05:56:36,553 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 622 flow. Second operand 3 states and 983 transitions. [2024-11-19 05:56:36,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 649 flow [2024-11-19 05:56:36,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:36,562 INFO L231 Difference]: Finished difference. Result has 303 places, 307 transitions, 628 flow [2024-11-19 05:56:36,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=303, PETRI_TRANSITIONS=307} [2024-11-19 05:56:36,563 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2024-11-19 05:56:36,563 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 307 transitions, 628 flow [2024-11-19 05:56:36,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,565 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] [2024-11-19 05:56:36,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:56:36,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,566 INFO L85 PathProgramCache]: Analyzing trace with hash -183197735, now seen corresponding path program 1 times [2024-11-19 05:56:36,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152742192] [2024-11-19 05:56:36,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152742192] [2024-11-19 05:56:36,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152742192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67964889] [2024-11-19 05:56:36,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 346 [2024-11-19 05:56:36,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 307 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 346 [2024-11-19 05:56:36,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,659 INFO L124 PetriNetUnfolderBase]: 32/662 cut-off events. [2024-11-19 05:56:36,660 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-19 05:56:36,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 662 events. 32/662 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3070 event pairs, 3 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 492. Up to 26 conditions per place. [2024-11-19 05:56:36,663 INFO L140 encePairwiseOnDemand]: 342/346 looper letters, 10 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-19 05:56:36,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 655 flow [2024-11-19 05:56:36,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-19 05:56:36,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-19 05:56:36,665 INFO L175 Difference]: Start difference. First operand has 303 places, 307 transitions, 628 flow. Second operand 3 states and 983 transitions. [2024-11-19 05:56:36,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 655 flow [2024-11-19 05:56:36,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 308 transitions, 655 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:36,669 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 638 flow [2024-11-19 05:56:36,669 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2024-11-19 05:56:36,670 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -12 predicate places. [2024-11-19 05:56:36,670 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 638 flow [2024-11-19 05:56:36,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,671 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,671 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] [2024-11-19 05:56:36,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:56:36,672 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1149627104, now seen corresponding path program 1 times [2024-11-19 05:56:36,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709493563] [2024-11-19 05:56:36,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709493563] [2024-11-19 05:56:36,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709493563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084156023] [2024-11-19 05:56:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346 [2024-11-19 05:56:36,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346 [2024-11-19 05:56:36,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,813 INFO L124 PetriNetUnfolderBase]: 80/1050 cut-off events. [2024-11-19 05:56:36,813 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-19 05:56:36,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1050 events. 80/1050 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5529 event pairs, 12 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 950. Up to 94 conditions per place. [2024-11-19 05:56:36,820 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-19 05:56:36,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 308 transitions, 679 flow [2024-11-19 05:56:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-19 05:56:36,822 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998 [2024-11-19 05:56:36,822 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 638 flow. Second operand 3 states and 973 transitions. [2024-11-19 05:56:36,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 308 transitions, 679 flow [2024-11-19 05:56:36,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:36,826 INFO L231 Difference]: Finished difference. Result has 303 places, 305 transitions, 644 flow [2024-11-19 05:56:36,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=303, PETRI_TRANSITIONS=305} [2024-11-19 05:56:36,829 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -13 predicate places. [2024-11-19 05:56:36,829 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 305 transitions, 644 flow [2024-11-19 05:56:36,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:36,830 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] [2024-11-19 05:56:36,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:56:36,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:36,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:36,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1187443434, now seen corresponding path program 1 times [2024-11-19 05:56:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:36,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554690371] [2024-11-19 05:56:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:36,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554690371] [2024-11-19 05:56:36,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554690371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:36,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:36,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:36,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970140118] [2024-11-19 05:56:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:36,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:36,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:36,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 346 [2024-11-19 05:56:36,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 305 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:36,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:36,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 346 [2024-11-19 05:56:36,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:36,989 INFO L124 PetriNetUnfolderBase]: 87/1086 cut-off events. [2024-11-19 05:56:36,990 INFO L125 PetriNetUnfolderBase]: For 17/22 co-relation queries the response was YES. [2024-11-19 05:56:36,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 1086 events. 87/1086 cut-off events. For 17/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6024 event pairs, 13 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 1016. Up to 100 conditions per place. [2024-11-19 05:56:36,996 INFO L140 encePairwiseOnDemand]: 340/346 looper letters, 16 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-19 05:56:36,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 306 transitions, 685 flow [2024-11-19 05:56:36,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2024-11-19 05:56:36,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9373795761078998 [2024-11-19 05:56:36,998 INFO L175 Difference]: Start difference. First operand has 303 places, 305 transitions, 644 flow. Second operand 3 states and 973 transitions. [2024-11-19 05:56:36,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 306 transitions, 685 flow [2024-11-19 05:56:37,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 306 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:37,002 INFO L231 Difference]: Finished difference. Result has 302 places, 303 transitions, 650 flow [2024-11-19 05:56:37,002 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=302, PETRI_TRANSITIONS=303} [2024-11-19 05:56:37,003 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -14 predicate places. [2024-11-19 05:56:37,003 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 303 transitions, 650 flow [2024-11-19 05:56:37,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:37,004 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:37,004 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] [2024-11-19 05:56:37,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:56:37,004 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:37,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:37,005 INFO L85 PathProgramCache]: Analyzing trace with hash -399798556, now seen corresponding path program 1 times [2024-11-19 05:56:37,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:37,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640746964] [2024-11-19 05:56:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:56:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:37,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640746964] [2024-11-19 05:56:37,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640746964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:37,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:37,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:37,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153958963] [2024-11-19 05:56:37,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:37,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 05:56:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:37,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 05:56:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 05:56:37,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 346 [2024-11-19 05:56:37,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 303 transitions, 650 flow. Second operand has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:37,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:37,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 346 [2024-11-19 05:56:37,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:37,220 INFO L124 PetriNetUnfolderBase]: 31/653 cut-off events. [2024-11-19 05:56:37,220 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2024-11-19 05:56:37,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 653 events. 31/653 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2641 event pairs, 0 based on Foata normal form. 2/594 useless extension candidates. Maximal degree in co-relation 524. Up to 14 conditions per place. [2024-11-19 05:56:37,225 INFO L140 encePairwiseOnDemand]: 332/346 looper letters, 12 selfloop transitions, 12 changer transitions 0/305 dead transitions. [2024-11-19 05:56:37,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 702 flow [2024-11-19 05:56:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 05:56:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 05:56:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1586 transitions. [2024-11-19 05:56:37,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9167630057803469 [2024-11-19 05:56:37,228 INFO L175 Difference]: Start difference. First operand has 302 places, 303 transitions, 650 flow. Second operand 5 states and 1586 transitions. [2024-11-19 05:56:37,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 702 flow [2024-11-19 05:56:37,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 702 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:37,232 INFO L231 Difference]: Finished difference. Result has 307 places, 305 transitions, 690 flow [2024-11-19 05:56:37,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=690, PETRI_PLACES=307, PETRI_TRANSITIONS=305} [2024-11-19 05:56:37,233 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -9 predicate places. [2024-11-19 05:56:37,233 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 305 transitions, 690 flow [2024-11-19 05:56:37,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:37,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:37,234 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] [2024-11-19 05:56:37,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:56:37,234 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:37,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:37,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1534637709, now seen corresponding path program 1 times [2024-11-19 05:56:37,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121905740] [2024-11-19 05:56:37,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:37,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:56:37,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:37,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121905740] [2024-11-19 05:56:37,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121905740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:37,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35105033] [2024-11-19 05:56:37,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:37,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:37,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:37,385 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) [2024-11-19 05:56:37,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:56:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:37,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 05:56:37,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:56:37,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 05:56:37,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35105033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:37,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:37,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 05:56:37,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617234154] [2024-11-19 05:56:37,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:37,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 05:56:37,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:37,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 05:56:37,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-19 05:56:38,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:38,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 305 transitions, 690 flow. Second operand has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:38,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:38,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:38,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:38,383 INFO L124 PetriNetUnfolderBase]: 31/687 cut-off events. [2024-11-19 05:56:38,383 INFO L125 PetriNetUnfolderBase]: For 16/19 co-relation queries the response was YES. [2024-11-19 05:56:38,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 687 events. 31/687 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2591 event pairs, 0 based on Foata normal form. 4/630 useless extension candidates. Maximal degree in co-relation 598. Up to 14 conditions per place. [2024-11-19 05:56:38,395 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 20 selfloop transitions, 26 changer transitions 0/321 dead transitions. [2024-11-19 05:56:38,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 321 transitions, 818 flow [2024-11-19 05:56:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 05:56:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 05:56:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3416 transitions. [2024-11-19 05:56:38,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8975302154492906 [2024-11-19 05:56:38,402 INFO L175 Difference]: Start difference. First operand has 307 places, 305 transitions, 690 flow. Second operand 11 states and 3416 transitions. [2024-11-19 05:56:38,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 321 transitions, 818 flow [2024-11-19 05:56:38,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 321 transitions, 798 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:56:38,407 INFO L231 Difference]: Finished difference. Result has 317 places, 317 transitions, 790 flow [2024-11-19 05:56:38,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=790, PETRI_PLACES=317, PETRI_TRANSITIONS=317} [2024-11-19 05:56:38,408 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-19 05:56:38,408 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 317 transitions, 790 flow [2024-11-19 05:56:38,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 308.6666666666667) internal successors, (4630), 15 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:38,410 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:38,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:38,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 05:56:38,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 05:56:38,612 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:38,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash 755201325, now seen corresponding path program 2 times [2024-11-19 05:56:38,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:38,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518329387] [2024-11-19 05:56:38,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:38,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:38,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-19 05:56:38,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518329387] [2024-11-19 05:56:38,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518329387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:38,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:38,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:38,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585337137] [2024-11-19 05:56:38,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:38,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:38,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:38,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:38,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:39,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:39,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 317 transitions, 790 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:39,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:39,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:39,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:39,403 INFO L124 PetriNetUnfolderBase]: 48/801 cut-off events. [2024-11-19 05:56:39,403 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2024-11-19 05:56:39,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 801 events. 48/801 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3579 event pairs, 2 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 821. Up to 48 conditions per place. [2024-11-19 05:56:39,406 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/321 dead transitions. [2024-11-19 05:56:39,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 321 transitions, 868 flow [2024-11-19 05:56:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2024-11-19 05:56:39,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412 [2024-11-19 05:56:39,410 INFO L175 Difference]: Start difference. First operand has 317 places, 317 transitions, 790 flow. Second operand 6 states and 1870 transitions. [2024-11-19 05:56:39,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 321 transitions, 868 flow [2024-11-19 05:56:39,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 844 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-19 05:56:39,415 INFO L231 Difference]: Finished difference. Result has 317 places, 315 transitions, 772 flow [2024-11-19 05:56:39,415 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=772, PETRI_PLACES=317, PETRI_TRANSITIONS=315} [2024-11-19 05:56:39,416 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-19 05:56:39,416 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 315 transitions, 772 flow [2024-11-19 05:56:39,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:39,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:39,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:39,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:56:39,417 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:39,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash -769749033, now seen corresponding path program 1 times [2024-11-19 05:56:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:39,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989726733] [2024-11-19 05:56:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:39,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 05:56:39,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:39,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989726733] [2024-11-19 05:56:39,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989726733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:56:39,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335817837] [2024-11-19 05:56:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:39,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:56:39,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:56:39,636 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) [2024-11-19 05:56:39,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:56:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:39,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 05:56:39,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:56:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 05:56:39,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:56:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 05:56:40,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335817837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:56:40,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:56:40,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-19 05:56:40,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700232520] [2024-11-19 05:56:40,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:56:40,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 05:56:40,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:40,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 05:56:40,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-19 05:56:40,443 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:40,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 315 transitions, 772 flow. Second operand has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:40,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:40,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:40,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:40,763 INFO L124 PetriNetUnfolderBase]: 29/755 cut-off events. [2024-11-19 05:56:40,763 INFO L125 PetriNetUnfolderBase]: For 45/49 co-relation queries the response was YES. [2024-11-19 05:56:40,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 755 events. 29/755 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2697 event pairs, 0 based on Foata normal form. 4/705 useless extension candidates. Maximal degree in co-relation 706. Up to 19 conditions per place. [2024-11-19 05:56:40,769 INFO L140 encePairwiseOnDemand]: 326/346 looper letters, 24 selfloop transitions, 38 changer transitions 0/335 dead transitions. [2024-11-19 05:56:40,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 335 transitions, 992 flow [2024-11-19 05:56:40,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 05:56:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 05:56:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5268 transitions. [2024-11-19 05:56:40,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8956137368242094 [2024-11-19 05:56:40,776 INFO L175 Difference]: Start difference. First operand has 317 places, 315 transitions, 772 flow. Second operand 17 states and 5268 transitions. [2024-11-19 05:56:40,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 335 transitions, 992 flow [2024-11-19 05:56:40,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 335 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:40,781 INFO L231 Difference]: Finished difference. Result has 331 places, 329 transitions, 946 flow [2024-11-19 05:56:40,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=946, PETRI_PLACES=331, PETRI_TRANSITIONS=329} [2024-11-19 05:56:40,782 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 15 predicate places. [2024-11-19 05:56:40,782 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 329 transitions, 946 flow [2024-11-19 05:56:40,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 308.59090909090907) internal successors, (6789), 22 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:40,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:40,785 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:40,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:56:40,989 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,SelfDestructingSolverStorable12 [2024-11-19 05:56:40,992 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:40,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:40,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2001904009, now seen corresponding path program 2 times [2024-11-19 05:56:40,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:40,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518201648] [2024-11-19 05:56:40,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:56:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:41,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:56:41,028 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:56:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:41,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:41,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518201648] [2024-11-19 05:56:41,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518201648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:41,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:41,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:41,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339216101] [2024-11-19 05:56:41,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:41,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:41,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:41,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:41,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:41,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:41,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 329 transitions, 946 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:41,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:41,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:41,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:41,791 INFO L124 PetriNetUnfolderBase]: 61/838 cut-off events. [2024-11-19 05:56:41,791 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES. [2024-11-19 05:56:41,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 838 events. 61/838 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3591 event pairs, 3 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 781. Up to 64 conditions per place. [2024-11-19 05:56:41,796 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/332 dead transitions. [2024-11-19 05:56:41,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 332 transitions, 1019 flow [2024-11-19 05:56:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2024-11-19 05:56:41,799 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405 [2024-11-19 05:56:41,799 INFO L175 Difference]: Start difference. First operand has 331 places, 329 transitions, 946 flow. Second operand 6 states and 1869 transitions. [2024-11-19 05:56:41,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 332 transitions, 1019 flow [2024-11-19 05:56:41,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 332 transitions, 967 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-19 05:56:41,804 INFO L231 Difference]: Finished difference. Result has 326 places, 327 transitions, 900 flow [2024-11-19 05:56:41,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=326, PETRI_TRANSITIONS=327} [2024-11-19 05:56:41,805 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 10 predicate places. [2024-11-19 05:56:41,805 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 327 transitions, 900 flow [2024-11-19 05:56:41,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:41,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:41,806 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:41,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:56:41,807 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:41,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1873922803, now seen corresponding path program 1 times [2024-11-19 05:56:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:41,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827137348] [2024-11-19 05:56:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:42,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:42,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827137348] [2024-11-19 05:56:42,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827137348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:42,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:42,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:42,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797546545] [2024-11-19 05:56:42,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:42,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:42,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:42,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:42,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:42,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 327 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:42,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:42,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:42,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:42,933 INFO L124 PetriNetUnfolderBase]: 41/860 cut-off events. [2024-11-19 05:56:42,933 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-19 05:56:42,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 860 events. 41/860 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3520 event pairs, 2 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 925. Up to 64 conditions per place. [2024-11-19 05:56:42,939 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 27 selfloop transitions, 5 changer transitions 0/331 dead transitions. [2024-11-19 05:56:42,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 331 transitions, 978 flow [2024-11-19 05:56:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1870 transitions. [2024-11-19 05:56:42,943 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9007707129094412 [2024-11-19 05:56:42,943 INFO L175 Difference]: Start difference. First operand has 326 places, 327 transitions, 900 flow. Second operand 6 states and 1870 transitions. [2024-11-19 05:56:42,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 331 transitions, 978 flow [2024-11-19 05:56:42,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 331 transitions, 968 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:42,949 INFO L231 Difference]: Finished difference. Result has 324 places, 325 transitions, 896 flow [2024-11-19 05:56:42,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=324, PETRI_TRANSITIONS=325} [2024-11-19 05:56:42,950 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 8 predicate places. [2024-11-19 05:56:42,950 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 325 transitions, 896 flow [2024-11-19 05:56:42,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.8333333333333) internal successors, (1853), 6 states have internal predecessors, (1853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:42,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:42,951 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:42,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:56:42,951 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:42,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:42,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1343667485, now seen corresponding path program 1 times [2024-11-19 05:56:42,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:42,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076970989] [2024-11-19 05:56:42,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:42,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:43,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:43,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076970989] [2024-11-19 05:56:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076970989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:43,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:43,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:56:43,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230354951] [2024-11-19 05:56:43,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:43,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:56:43,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:43,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:56:43,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:56:43,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 346 [2024-11-19 05:56:43,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 325 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:43,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:43,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 346 [2024-11-19 05:56:43,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:44,038 INFO L124 PetriNetUnfolderBase]: 68/893 cut-off events. [2024-11-19 05:56:44,038 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2024-11-19 05:56:44,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 893 events. 68/893 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3995 event pairs, 5 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 864. Up to 73 conditions per place. [2024-11-19 05:56:44,044 INFO L140 encePairwiseOnDemand]: 339/346 looper letters, 26 selfloop transitions, 5 changer transitions 0/328 dead transitions. [2024-11-19 05:56:44,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 328 transitions, 969 flow [2024-11-19 05:56:44,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:56:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:56:44,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1869 transitions. [2024-11-19 05:56:44,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9002890173410405 [2024-11-19 05:56:44,047 INFO L175 Difference]: Start difference. First operand has 324 places, 325 transitions, 896 flow. Second operand 6 states and 1869 transitions. [2024-11-19 05:56:44,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 328 transitions, 969 flow [2024-11-19 05:56:44,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 328 transitions, 959 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:44,051 INFO L231 Difference]: Finished difference. Result has 322 places, 323 transitions, 892 flow [2024-11-19 05:56:44,052 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=322, PETRI_TRANSITIONS=323} [2024-11-19 05:56:44,052 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 6 predicate places. [2024-11-19 05:56:44,052 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 323 transitions, 892 flow [2024-11-19 05:56:44,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,053 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:44,053 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:44,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:56:44,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:44,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash 297091527, now seen corresponding path program 1 times [2024-11-19 05:56:44,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:44,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016158128] [2024-11-19 05:56:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:44,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:44,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:44,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016158128] [2024-11-19 05:56:44,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016158128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:44,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:44,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:44,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331385807] [2024-11-19 05:56:44,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:44,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:44,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:44,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:44,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:44,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346 [2024-11-19 05:56:44,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 323 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:44,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346 [2024-11-19 05:56:44,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:44,197 INFO L124 PetriNetUnfolderBase]: 34/746 cut-off events. [2024-11-19 05:56:44,197 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2024-11-19 05:56:44,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 746 events. 34/746 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2645 event pairs, 2 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 754. Up to 27 conditions per place. [2024-11-19 05:56:44,201 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 8 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-11-19 05:56:44,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 913 flow [2024-11-19 05:56:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-19 05:56:44,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470134874759152 [2024-11-19 05:56:44,203 INFO L175 Difference]: Start difference. First operand has 322 places, 323 transitions, 892 flow. Second operand 3 states and 983 transitions. [2024-11-19 05:56:44,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 913 flow [2024-11-19 05:56:44,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 323 transitions, 903 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:56:44,249 INFO L231 Difference]: Finished difference. Result has 318 places, 322 transitions, 884 flow [2024-11-19 05:56:44,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=318, PETRI_TRANSITIONS=322} [2024-11-19 05:56:44,250 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 2 predicate places. [2024-11-19 05:56:44,254 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 322 transitions, 884 flow [2024-11-19 05:56:44,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:44,255 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:44,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:56:44,255 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:44,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 765922188, now seen corresponding path program 1 times [2024-11-19 05:56:44,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:44,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073274708] [2024-11-19 05:56:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:44,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:44,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073274708] [2024-11-19 05:56:44,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073274708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:44,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:44,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:44,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924329794] [2024-11-19 05:56:44,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:44,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:44,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:44,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:44,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:44,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346 [2024-11-19 05:56:44,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 322 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:44,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346 [2024-11-19 05:56:44,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:44,395 INFO L124 PetriNetUnfolderBase]: 33/723 cut-off events. [2024-11-19 05:56:44,396 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-19 05:56:44,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 723 events. 33/723 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2392 event pairs, 1 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 867. Up to 17 conditions per place. [2024-11-19 05:56:44,399 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 6 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2024-11-19 05:56:44,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 321 transitions, 896 flow [2024-11-19 05:56:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2024-11-19 05:56:44,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499036608863198 [2024-11-19 05:56:44,401 INFO L175 Difference]: Start difference. First operand has 318 places, 322 transitions, 884 flow. Second operand 3 states and 986 transitions. [2024-11-19 05:56:44,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 321 transitions, 896 flow [2024-11-19 05:56:44,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 892 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:56:44,405 INFO L231 Difference]: Finished difference. Result has 317 places, 321 transitions, 880 flow [2024-11-19 05:56:44,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=317, PETRI_TRANSITIONS=321} [2024-11-19 05:56:44,406 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-19 05:56:44,406 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 321 transitions, 880 flow [2024-11-19 05:56:44,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,407 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:44,407 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:44,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:56:44,408 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:44,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:44,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1611833642, now seen corresponding path program 1 times [2024-11-19 05:56:44,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:44,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919515360] [2024-11-19 05:56:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:44,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919515360] [2024-11-19 05:56:44,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919515360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:44,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:44,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:44,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204885005] [2024-11-19 05:56:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:44,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:44,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 346 [2024-11-19 05:56:44,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 321 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:44,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 346 [2024-11-19 05:56:44,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:44,545 INFO L124 PetriNetUnfolderBase]: 33/716 cut-off events. [2024-11-19 05:56:44,545 INFO L125 PetriNetUnfolderBase]: For 63/65 co-relation queries the response was YES. [2024-11-19 05:56:44,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 716 events. 33/716 cut-off events. For 63/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2382 event pairs, 1 based on Foata normal form. 2/687 useless extension candidates. Maximal degree in co-relation 889. Up to 18 conditions per place. [2024-11-19 05:56:44,549 INFO L140 encePairwiseOnDemand]: 344/346 looper letters, 4 selfloop transitions, 0 changer transitions 4/320 dead transitions. [2024-11-19 05:56:44,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 320 transitions, 890 flow [2024-11-19 05:56:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2024-11-19 05:56:44,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9489402697495183 [2024-11-19 05:56:44,551 INFO L175 Difference]: Start difference. First operand has 317 places, 321 transitions, 880 flow. Second operand 3 states and 985 transitions. [2024-11-19 05:56:44,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 320 transitions, 890 flow [2024-11-19 05:56:44,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 320 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:56:44,555 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 867 flow [2024-11-19 05:56:44,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=867, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2024-11-19 05:56:44,556 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, 1 predicate places. [2024-11-19 05:56:44,556 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 867 flow [2024-11-19 05:56:44,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:56:44,556 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:44,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:56:44,557 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-19 05:56:44,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:56:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1896322544, now seen corresponding path program 1 times [2024-11-19 05:56:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:56:44,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585293123] [2024-11-19 05:56:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:56:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:56:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:56:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-19 05:56:44,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:56:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585293123] [2024-11-19 05:56:44,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585293123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:56:44,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:56:44,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:56:44,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638448675] [2024-11-19 05:56:44,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:56:44,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:56:44,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:56:44,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:56:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:56:44,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 346 [2024-11-19 05:56:44,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 867 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:56:44,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 346 [2024-11-19 05:56:44,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:56:44,723 INFO L124 PetriNetUnfolderBase]: 38/715 cut-off events. [2024-11-19 05:56:44,723 INFO L125 PetriNetUnfolderBase]: For 69/71 co-relation queries the response was YES. [2024-11-19 05:56:44,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 715 events. 38/715 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2365 event pairs, 2 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 909. Up to 21 conditions per place. [2024-11-19 05:56:44,729 INFO L140 encePairwiseOnDemand]: 343/346 looper letters, 0 selfloop transitions, 0 changer transitions 316/316 dead transitions. [2024-11-19 05:56:44,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 316 transitions, 884 flow [2024-11-19 05:56:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:56:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:56:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2024-11-19 05:56:44,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9450867052023122 [2024-11-19 05:56:44,731 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 867 flow. Second operand 3 states and 981 transitions. [2024-11-19 05:56:44,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 316 transitions, 884 flow [2024-11-19 05:56:44,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 316 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:56:44,734 INFO L231 Difference]: Finished difference. Result has 312 places, 0 transitions, 0 flow [2024-11-19 05:56:44,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=312, PETRI_TRANSITIONS=0} [2024-11-19 05:56:44,735 INFO L277 CegarLoopForPetriNet]: 316 programPoint places, -4 predicate places. [2024-11-19 05:56:44,735 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 0 transitions, 0 flow [2024-11-19 05:56:44,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-19 05:56:44,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-19 05:56:44,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-19 05:56:44,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-19 05:56:44,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-19 05:56:44,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-19 05:56:44,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:56:44,743 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:56:44,750 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:56:44,751 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:56:44,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:56:44 BasicIcfg [2024-11-19 05:56:44,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:56:44,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:56:44,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:56:44,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:56:44,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:56:33" (3/4) ... [2024-11-19 05:56:44,758 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:56:44,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-19 05:56:44,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-19 05:56:44,766 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-19 05:56:44,767 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 05:56:44,767 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:56:44,767 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 05:56:44,843 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:56:44,844 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:56:44,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:56:44,844 INFO L158 Benchmark]: Toolchain (without parser) took 12103.08ms. Allocated memory was 184.5MB in the beginning and 627.0MB in the end (delta: 442.5MB). Free memory was 115.8MB in the beginning and 253.9MB in the end (delta: -138.1MB). Peak memory consumption was 307.2MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,844 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 145.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:56:44,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.69ms. Allocated memory is still 184.5MB. Free memory was 115.6MB in the beginning and 157.3MB in the end (delta: -41.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.74ms. Allocated memory is still 184.5MB. Free memory was 156.4MB in the beginning and 153.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,845 INFO L158 Benchmark]: Boogie Preprocessor took 83.41ms. Allocated memory is still 184.5MB. Free memory was 153.4MB in the beginning and 151.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,845 INFO L158 Benchmark]: RCFGBuilder took 681.95ms. Allocated memory is still 184.5MB. Free memory was 151.0MB in the beginning and 119.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,845 INFO L158 Benchmark]: TraceAbstraction took 10845.76ms. Allocated memory was 184.5MB in the beginning and 627.0MB in the end (delta: 442.5MB). Free memory was 118.6MB in the beginning and 260.2MB in the end (delta: -141.6MB). Peak memory consumption was 302.8MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,845 INFO L158 Benchmark]: Witness Printer took 87.67ms. Allocated memory is still 627.0MB. Free memory was 260.2MB in the beginning and 253.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 05:56:44,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 145.2MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.69ms. Allocated memory is still 184.5MB. Free memory was 115.6MB in the beginning and 157.3MB in the end (delta: -41.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.74ms. Allocated memory is still 184.5MB. Free memory was 156.4MB in the beginning and 153.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.41ms. Allocated memory is still 184.5MB. Free memory was 153.4MB in the beginning and 151.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.95ms. Allocated memory is still 184.5MB. Free memory was 151.0MB in the beginning and 119.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10845.76ms. Allocated memory was 184.5MB in the beginning and 627.0MB in the end (delta: 442.5MB). Free memory was 118.6MB in the beginning and 260.2MB in the end (delta: -141.6MB). Peak memory consumption was 302.8MB. Max. memory is 16.1GB. * Witness Printer took 87.67ms. Allocated memory is still 627.0MB. Free memory was 260.2MB in the beginning and 253.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 488 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.7s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2545 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1622 mSDsluCounter, 1047 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 814 mSDsCounter, 586 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4316 IncrementalHoareTripleChecker+Invalid, 4902 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 586 mSolverCounterUnsat, 233 mSDtfsCounter, 4316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 740 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=13, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 3904 NumberOfCodeBlocks, 3664 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4250 ConstructedInterpolants, 0 QuantifiedInterpolants, 6037 SizeOfPredicates, 14 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 2413/2560 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:56:44,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE