./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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-exp-term-subst.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 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:09,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:09,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:09,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:09,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:09,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:09,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:09,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:09,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:09,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:09,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:09,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:09,153 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:09,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:09,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:09,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:09,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:09,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:09,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:09,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:09,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:09,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:09,157 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:09,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:09,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:09,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:09,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:09,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:09,159 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:09,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:09,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:09,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:09,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:09,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:09,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:09,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:09,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:09,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:09,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:09,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:09,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:09,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 [2024-11-16 23:43:09,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:09,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:09,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:09,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:09,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:09,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2024-11-16 23:43:10,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:10,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:10,888 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2024-11-16 23:43:10,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea722f2e9/73fab7a0c376408892e4359852fb910f/FLAG9c059a98f [2024-11-16 23:43:10,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea722f2e9/73fab7a0c376408892e4359852fb910f [2024-11-16 23:43:10,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:10,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:10,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:10,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:10,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:10,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:10" (1/1) ... [2024-11-16 23:43:10,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de07827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:10, skipping insertion in model container [2024-11-16 23:43:10,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:10" (1/1) ... [2024-11-16 23:43:10,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:11,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:11,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:11,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:11,139 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:11,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11 WrapperNode [2024-11-16 23:43:11,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:11,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:11,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:11,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:11,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,174 INFO L138 Inliner]: procedures = 22, calls = 17, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 317 [2024-11-16 23:43:11,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:11,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:11,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:11,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:11,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,196 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:11,206 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:11,206 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:11,206 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:11,206 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (1/1) ... [2024-11-16 23:43:11,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:11,283 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) [2024-11-16 23:43:11,302 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 [2024-11-16 23:43:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:11,345 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:11,434 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:11,435 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:11,880 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:11,880 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:11,923 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:11,923 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:11,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:11 BoogieIcfgContainer [2024-11-16 23:43:11,923 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:11,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:11,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:11,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:11,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:10" (1/3) ... [2024-11-16 23:43:11,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd505b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:11, skipping insertion in model container [2024-11-16 23:43:11,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:11" (2/3) ... [2024-11-16 23:43:11,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd505b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:11, skipping insertion in model container [2024-11-16 23:43:11,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:11" (3/3) ... [2024-11-16 23:43:11,934 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2024-11-16 23:43:11,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:11,959 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-16 23:43:11,960 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:12,046 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:12,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 413 places, 430 transitions, 881 flow [2024-11-16 23:43:12,171 INFO L124 PetriNetUnfolderBase]: 27/427 cut-off events. [2024-11-16 23:43:12,172 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:12,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 427 events. 27/427 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1407 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 306. Up to 2 conditions per place. [2024-11-16 23:43:12,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 413 places, 430 transitions, 881 flow [2024-11-16 23:43:12,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 392 places, 407 transitions, 832 flow [2024-11-16 23:43:12,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:12,210 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;@68b48d59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:12,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2024-11-16 23:43:12,214 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:12,216 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-16 23:43:12,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:12,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:12,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:12,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:12,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1742625047, now seen corresponding path program 1 times [2024-11-16 23:43:12,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:12,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804402812] [2024-11-16 23:43:12,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:12,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:12,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:12,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804402812] [2024-11-16 23:43:12,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804402812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:12,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:12,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422484960] [2024-11-16 23:43:12,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:12,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:12,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:12,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:12,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:12,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-11-16 23:43:12,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 407 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:12,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:12,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-11-16 23:43:12,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:12,661 INFO L124 PetriNetUnfolderBase]: 98/1397 cut-off events. [2024-11-16 23:43:12,662 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-11-16 23:43:12,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 1397 events. 98/1397 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 9748 event pairs, 20 based on Foata normal form. 39/1169 useless extension candidates. Maximal degree in co-relation 1352. Up to 50 conditions per place. [2024-11-16 23:43:12,686 INFO L140 encePairwiseOnDemand]: 420/430 looper letters, 13 selfloop transitions, 2 changer transitions 1/399 dead transitions. [2024-11-16 23:43:12,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 399 transitions, 846 flow [2024-11-16 23:43:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2024-11-16 23:43:12,700 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9573643410852714 [2024-11-16 23:43:12,701 INFO L175 Difference]: Start difference. First operand has 392 places, 407 transitions, 832 flow. Second operand 3 states and 1235 transitions. [2024-11-16 23:43:12,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 399 transitions, 846 flow [2024-11-16 23:43:12,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 399 transitions, 834 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:12,714 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 806 flow [2024-11-16 23:43:12,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2024-11-16 23:43:12,721 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -5 predicate places. [2024-11-16 23:43:12,726 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 806 flow [2024-11-16 23:43:12,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:12,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:12,727 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] [2024-11-16 23:43:12,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:12,729 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:12,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:12,730 INFO L85 PathProgramCache]: Analyzing trace with hash -934564428, now seen corresponding path program 1 times [2024-11-16 23:43:12,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:12,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486673242] [2024-11-16 23:43:12,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:12,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:12,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486673242] [2024-11-16 23:43:12,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486673242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:12,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:12,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:12,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385280473] [2024-11-16 23:43:12,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:12,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:12,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:12,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:12,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:12,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-11-16 23:43:12,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 398 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:12,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:12,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-11-16 23:43:12,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,035 INFO L124 PetriNetUnfolderBase]: 54/807 cut-off events. [2024-11-16 23:43:13,035 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-16 23:43:13,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 54/807 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4646 event pairs, 12 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 824. Up to 38 conditions per place. [2024-11-16 23:43:13,052 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-11-16 23:43:13,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 397 transitions, 834 flow [2024-11-16 23:43:13,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2024-11-16 23:43:13,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2024-11-16 23:43:13,057 INFO L175 Difference]: Start difference. First operand has 387 places, 398 transitions, 806 flow. Second operand 3 states and 1228 transitions. [2024-11-16 23:43:13,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 397 transitions, 834 flow [2024-11-16 23:43:13,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 397 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:13,065 INFO L231 Difference]: Finished difference. Result has 385 places, 397 transitions, 804 flow [2024-11-16 23:43:13,065 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=385, PETRI_TRANSITIONS=397} [2024-11-16 23:43:13,066 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -7 predicate places. [2024-11-16 23:43:13,066 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 397 transitions, 804 flow [2024-11-16 23:43:13,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:13,067 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,068 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] [2024-11-16 23:43:13,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:13,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:13,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash -273108551, now seen corresponding path program 1 times [2024-11-16 23:43:13,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374426594] [2024-11-16 23:43:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:13,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374426594] [2024-11-16 23:43:13,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374426594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879128818] [2024-11-16 23:43:13,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 430 [2024-11-16 23:43:13,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 397 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:13,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 430 [2024-11-16 23:43:13,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,263 INFO L124 PetriNetUnfolderBase]: 50/620 cut-off events. [2024-11-16 23:43:13,264 INFO L125 PetriNetUnfolderBase]: For 9/12 co-relation queries the response was YES. [2024-11-16 23:43:13,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 620 events. 50/620 cut-off events. For 9/12 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3143 event pairs, 20 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 639. Up to 50 conditions per place. [2024-11-16 23:43:13,278 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 13 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2024-11-16 23:43:13,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 396 transitions, 832 flow [2024-11-16 23:43:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1228 transitions. [2024-11-16 23:43:13,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.951937984496124 [2024-11-16 23:43:13,281 INFO L175 Difference]: Start difference. First operand has 385 places, 397 transitions, 804 flow. Second operand 3 states and 1228 transitions. [2024-11-16 23:43:13,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 396 transitions, 832 flow [2024-11-16 23:43:13,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 396 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:13,286 INFO L231 Difference]: Finished difference. Result has 384 places, 396 transitions, 802 flow [2024-11-16 23:43:13,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=384, PETRI_TRANSITIONS=396} [2024-11-16 23:43:13,287 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -8 predicate places. [2024-11-16 23:43:13,288 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 396 transitions, 802 flow [2024-11-16 23:43:13,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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) [2024-11-16 23:43:13,289 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,289 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] [2024-11-16 23:43:13,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:13,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash -412307389, now seen corresponding path program 1 times [2024-11-16 23:43:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461652514] [2024-11-16 23:43:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461652514] [2024-11-16 23:43:13,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461652514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660964243] [2024-11-16 23:43:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:13,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 396 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:13,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:13,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,520 INFO L124 PetriNetUnfolderBase]: 117/1364 cut-off events. [2024-11-16 23:43:13,520 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:43:13,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 1364 events. 117/1364 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 9921 event pairs, 39 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1426. Up to 85 conditions per place. [2024-11-16 23:43:13,540 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2024-11-16 23:43:13,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 395 transitions, 834 flow [2024-11-16 23:43:13,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:43:13,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-11-16 23:43:13,543 INFO L175 Difference]: Start difference. First operand has 384 places, 396 transitions, 802 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:43:13,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 395 transitions, 834 flow [2024-11-16 23:43:13,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 395 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:13,547 INFO L231 Difference]: Finished difference. Result has 383 places, 395 transitions, 800 flow [2024-11-16 23:43:13,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=383, PETRI_TRANSITIONS=395} [2024-11-16 23:43:13,548 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -9 predicate places. [2024-11-16 23:43:13,548 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 395 transitions, 800 flow [2024-11-16 23:43:13,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:13,549 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,549 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] [2024-11-16 23:43:13,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:13,550 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:13,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,550 INFO L85 PathProgramCache]: Analyzing trace with hash -803056677, now seen corresponding path program 1 times [2024-11-16 23:43:13,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82182027] [2024-11-16 23:43:13,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:13,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82182027] [2024-11-16 23:43:13,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82182027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212978997] [2024-11-16 23:43:13,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,615 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:13,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:13,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:13,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:13,832 INFO L124 PetriNetUnfolderBase]: 69/871 cut-off events. [2024-11-16 23:43:13,833 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:43:13,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 871 events. 69/871 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5289 event pairs, 21 based on Foata normal form. 0/715 useless extension candidates. Maximal degree in co-relation 886. Up to 58 conditions per place. [2024-11-16 23:43:13,854 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/394 dead transitions. [2024-11-16 23:43:13,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 394 transitions, 832 flow [2024-11-16 23:43:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:43:13,860 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-11-16 23:43:13,860 INFO L175 Difference]: Start difference. First operand has 383 places, 395 transitions, 800 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:43:13,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 394 transitions, 832 flow [2024-11-16 23:43:13,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 394 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:13,869 INFO L231 Difference]: Finished difference. Result has 382 places, 394 transitions, 798 flow [2024-11-16 23:43:13,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=382, PETRI_TRANSITIONS=394} [2024-11-16 23:43:13,873 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -10 predicate places. [2024-11-16 23:43:13,873 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 394 transitions, 798 flow [2024-11-16 23:43:13,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:13,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:13,874 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] [2024-11-16 23:43:13,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:13,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:13,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1577440610, now seen corresponding path program 1 times [2024-11-16 23:43:13,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:13,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706017997] [2024-11-16 23:43:13,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:13,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:13,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:13,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706017997] [2024-11-16 23:43:13,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706017997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:13,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:13,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997271534] [2024-11-16 23:43:13,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:13,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:13,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:13,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:13,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:13,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:13,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 394 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:13,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:13,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:13,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,199 INFO L124 PetriNetUnfolderBase]: 117/1332 cut-off events. [2024-11-16 23:43:14,203 INFO L125 PetriNetUnfolderBase]: For 21/26 co-relation queries the response was YES. [2024-11-16 23:43:14,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1332 events. 117/1332 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8651 event pairs, 39 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 1363. Up to 85 conditions per place. [2024-11-16 23:43:14,237 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 15 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2024-11-16 23:43:14,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 393 transitions, 830 flow [2024-11-16 23:43:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2024-11-16 23:43:14,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9488372093023256 [2024-11-16 23:43:14,240 INFO L175 Difference]: Start difference. First operand has 382 places, 394 transitions, 798 flow. Second operand 3 states and 1224 transitions. [2024-11-16 23:43:14,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 393 transitions, 830 flow [2024-11-16 23:43:14,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 393 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:14,247 INFO L231 Difference]: Finished difference. Result has 381 places, 393 transitions, 796 flow [2024-11-16 23:43:14,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=381, PETRI_TRANSITIONS=393} [2024-11-16 23:43:14,252 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -11 predicate places. [2024-11-16 23:43:14,252 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 393 transitions, 796 flow [2024-11-16 23:43:14,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:14,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,253 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] [2024-11-16 23:43:14,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:14,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:14,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1317993076, now seen corresponding path program 1 times [2024-11-16 23:43:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137024054] [2024-11-16 23:43:14,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:14,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137024054] [2024-11-16 23:43:14,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137024054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:14,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568255323] [2024-11-16 23:43:14,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:14,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:14,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-11-16 23:43:14,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 393 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-11-16 23:43:14,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-11-16 23:43:14,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,539 INFO L124 PetriNetUnfolderBase]: 284/2636 cut-off events. [2024-11-16 23:43:14,540 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:43:14,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2953 conditions, 2636 events. 284/2636 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 24610 event pairs, 117 based on Foata normal form. 0/2193 useless extension candidates. Maximal degree in co-relation 2879. Up to 251 conditions per place. [2024-11-16 23:43:14,574 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2024-11-16 23:43:14,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 391 transitions, 840 flow [2024-11-16 23:43:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-11-16 23:43:14,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-11-16 23:43:14,577 INFO L175 Difference]: Start difference. First operand has 381 places, 393 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2024-11-16 23:43:14,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 391 transitions, 840 flow [2024-11-16 23:43:14,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 391 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:14,582 INFO L231 Difference]: Finished difference. Result has 376 places, 389 transitions, 794 flow [2024-11-16 23:43:14,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=376, PETRI_TRANSITIONS=389} [2024-11-16 23:43:14,583 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -16 predicate places. [2024-11-16 23:43:14,583 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 389 transitions, 794 flow [2024-11-16 23:43:14,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-11-16 23:43:14,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,584 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] [2024-11-16 23:43:14,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:14,584 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:14,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,584 INFO L85 PathProgramCache]: Analyzing trace with hash 424032909, now seen corresponding path program 1 times [2024-11-16 23:43:14,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978663692] [2024-11-16 23:43:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:14,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978663692] [2024-11-16 23:43:14,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978663692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:14,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476234477] [2024-11-16 23:43:14,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:14,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:14,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:14,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-11-16 23:43:14,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 389 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-11-16 23:43:14,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-11-16 23:43:14,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,826 INFO L124 PetriNetUnfolderBase]: 151/1516 cut-off events. [2024-11-16 23:43:14,826 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-16 23:43:14,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 1516 events. 151/1516 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11465 event pairs, 52 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 1504. Up to 135 conditions per place. [2024-11-16 23:43:14,848 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-11-16 23:43:14,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 387 transitions, 838 flow [2024-11-16 23:43:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-11-16 23:43:14,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-11-16 23:43:14,850 INFO L175 Difference]: Start difference. First operand has 376 places, 389 transitions, 794 flow. Second operand 3 states and 1217 transitions. [2024-11-16 23:43:14,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 387 transitions, 838 flow [2024-11-16 23:43:14,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 387 transitions, 838 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:14,855 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 796 flow [2024-11-16 23:43:14,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2024-11-16 23:43:14,856 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-11-16 23:43:14,856 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 796 flow [2024-11-16 23:43:14,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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) [2024-11-16 23:43:14,857 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,857 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] [2024-11-16 23:43:14,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:14,857 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:14,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,857 INFO L85 PathProgramCache]: Analyzing trace with hash -799826298, now seen corresponding path program 1 times [2024-11-16 23:43:14,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164432890] [2024-11-16 23:43:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:14,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164432890] [2024-11-16 23:43:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164432890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:14,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496566874] [2024-11-16 23:43:14,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:14,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:14,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 430 [2024-11-16 23:43:14,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2024-11-16 23:43:14,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 430 [2024-11-16 23:43:14,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,226 INFO L124 PetriNetUnfolderBase]: 505/4357 cut-off events. [2024-11-16 23:43:15,227 INFO L125 PetriNetUnfolderBase]: For 63/71 co-relation queries the response was YES. [2024-11-16 23:43:15,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4838 conditions, 4357 events. 505/4357 cut-off events. For 63/71 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 44599 event pairs, 126 based on Foata normal form. 0/3687 useless extension candidates. Maximal degree in co-relation 3641. Up to 445 conditions per place. [2024-11-16 23:43:15,270 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 21 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-16 23:43:15,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 383 transitions, 840 flow [2024-11-16 23:43:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2024-11-16 23:43:15,272 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434108527131783 [2024-11-16 23:43:15,272 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 796 flow. Second operand 3 states and 1217 transitions. [2024-11-16 23:43:15,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 383 transitions, 840 flow [2024-11-16 23:43:15,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 383 transitions, 840 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:15,276 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 798 flow [2024-11-16 23:43:15,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2024-11-16 23:43:15,277 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-11-16 23:43:15,277 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 798 flow [2024-11-16 23:43:15,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2024-11-16 23:43:15,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,278 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:15,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:15,279 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:15,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,279 INFO L85 PathProgramCache]: Analyzing trace with hash 771310303, now seen corresponding path program 1 times [2024-11-16 23:43:15,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214004037] [2024-11-16 23:43:15,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214004037] [2024-11-16 23:43:15,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214004037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:43:15,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111568828] [2024-11-16 23:43:15,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:15,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2024-11-16 23:43:15,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:15,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,540 INFO L124 PetriNetUnfolderBase]: 98/1285 cut-off events. [2024-11-16 23:43:15,540 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:43:15,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1285 events. 98/1285 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9488 event pairs, 10 based on Foata normal form. 0/1105 useless extension candidates. Maximal degree in co-relation 1124. Up to 35 conditions per place. [2024-11-16 23:43:15,573 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/385 dead transitions. [2024-11-16 23:43:15,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 385 transitions, 842 flow [2024-11-16 23:43:15,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-11-16 23:43:15,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-11-16 23:43:15,576 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 798 flow. Second operand 3 states and 1242 transitions. [2024-11-16 23:43:15,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 385 transitions, 842 flow [2024-11-16 23:43:15,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 842 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:15,584 INFO L231 Difference]: Finished difference. Result has 374 places, 383 transitions, 820 flow [2024-11-16 23:43:15,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=374, PETRI_TRANSITIONS=383} [2024-11-16 23:43:15,589 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -18 predicate places. [2024-11-16 23:43:15,589 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 383 transitions, 820 flow [2024-11-16 23:43:15,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.3333333333333) internal successors, (1228), 3 states have internal predecessors, (1228), 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) [2024-11-16 23:43:15,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,590 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] [2024-11-16 23:43:15,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:15,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:15,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,590 INFO L85 PathProgramCache]: Analyzing trace with hash 753952192, now seen corresponding path program 1 times [2024-11-16 23:43:15,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554611186] [2024-11-16 23:43:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554611186] [2024-11-16 23:43:15,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554611186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617588367] [2024-11-16 23:43:15,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,658 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:15,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 383 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:15,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:15,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,098 INFO L124 PetriNetUnfolderBase]: 206/2208 cut-off events. [2024-11-16 23:43:16,099 INFO L125 PetriNetUnfolderBase]: For 28/34 co-relation queries the response was YES. [2024-11-16 23:43:16,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 2208 events. 206/2208 cut-off events. For 28/34 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 19285 event pairs, 16 based on Foata normal form. 1/1935 useless extension candidates. Maximal degree in co-relation 2113. Up to 166 conditions per place. [2024-11-16 23:43:16,143 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-11-16 23:43:16,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 388 transitions, 883 flow [2024-11-16 23:43:16,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-16 23:43:16,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2024-11-16 23:43:16,146 INFO L175 Difference]: Start difference. First operand has 374 places, 383 transitions, 820 flow. Second operand 3 states and 1234 transitions. [2024-11-16 23:43:16,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 388 transitions, 883 flow [2024-11-16 23:43:16,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 388 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:16,154 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 834 flow [2024-11-16 23:43:16,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2024-11-16 23:43:16,159 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-11-16 23:43:16,159 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 834 flow [2024-11-16 23:43:16,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:16,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,160 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] [2024-11-16 23:43:16,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:16,160 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:16,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1301388379, now seen corresponding path program 1 times [2024-11-16 23:43:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770075884] [2024-11-16 23:43:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770075884] [2024-11-16 23:43:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770075884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106258783] [2024-11-16 23:43:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:16,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:16,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:16,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,647 INFO L124 PetriNetUnfolderBase]: 262/2943 cut-off events. [2024-11-16 23:43:16,648 INFO L125 PetriNetUnfolderBase]: For 34/65 co-relation queries the response was YES. [2024-11-16 23:43:16,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3279 conditions, 2943 events. 262/2943 cut-off events. For 34/65 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 26387 event pairs, 36 based on Foata normal form. 2/2571 useless extension candidates. Maximal degree in co-relation 2942. Up to 198 conditions per place. [2024-11-16 23:43:16,682 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 20 selfloop transitions, 4 changer transitions 0/388 dead transitions. [2024-11-16 23:43:16,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 388 transitions, 897 flow [2024-11-16 23:43:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2024-11-16 23:43:16,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9565891472868217 [2024-11-16 23:43:16,685 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 834 flow. Second operand 3 states and 1234 transitions. [2024-11-16 23:43:16,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 388 transitions, 897 flow [2024-11-16 23:43:16,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 388 transitions, 897 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:16,691 INFO L231 Difference]: Finished difference. Result has 370 places, 383 transitions, 854 flow [2024-11-16 23:43:16,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=370, PETRI_TRANSITIONS=383} [2024-11-16 23:43:16,692 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-11-16 23:43:16,692 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 383 transitions, 854 flow [2024-11-16 23:43:16,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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) [2024-11-16 23:43:16,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,693 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] [2024-11-16 23:43:16,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:16,693 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:16,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1619165900, now seen corresponding path program 1 times [2024-11-16 23:43:16,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427653508] [2024-11-16 23:43:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427653508] [2024-11-16 23:43:16,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427653508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553572387] [2024-11-16 23:43:16,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 430 [2024-11-16 23:43:16,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 383 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2024-11-16 23:43:16,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 430 [2024-11-16 23:43:16,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,052 INFO L124 PetriNetUnfolderBase]: 236/2977 cut-off events. [2024-11-16 23:43:17,052 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2024-11-16 23:43:17,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3305 conditions, 2977 events. 236/2977 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 27795 event pairs, 14 based on Foata normal form. 4/2617 useless extension candidates. Maximal degree in co-relation 2968. Up to 62 conditions per place. [2024-11-16 23:43:17,079 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 11 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-16 23:43:17,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 384 transitions, 884 flow [2024-11-16 23:43:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1241 transitions. [2024-11-16 23:43:17,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.962015503875969 [2024-11-16 23:43:17,081 INFO L175 Difference]: Start difference. First operand has 370 places, 383 transitions, 854 flow. Second operand 3 states and 1241 transitions. [2024-11-16 23:43:17,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 384 transitions, 884 flow [2024-11-16 23:43:17,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 384 transitions, 884 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:17,086 INFO L231 Difference]: Finished difference. Result has 371 places, 382 transitions, 856 flow [2024-11-16 23:43:17,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=371, PETRI_TRANSITIONS=382} [2024-11-16 23:43:17,087 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-11-16 23:43:17,087 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 382 transitions, 856 flow [2024-11-16 23:43:17,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 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) [2024-11-16 23:43:17,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:17,088 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] [2024-11-16 23:43:17,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:17,088 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:17,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:17,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1450062376, now seen corresponding path program 1 times [2024-11-16 23:43:17,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:17,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058023627] [2024-11-16 23:43:17,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:17,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:17,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058023627] [2024-11-16 23:43:17,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058023627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:17,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:17,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:43:17,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454375523] [2024-11-16 23:43:17,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:17,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:17,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:17,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:17,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:17,117 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:17,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 382 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-16 23:43:17,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:17,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:17,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,464 INFO L124 PetriNetUnfolderBase]: 260/2958 cut-off events. [2024-11-16 23:43:17,464 INFO L125 PetriNetUnfolderBase]: For 27/76 co-relation queries the response was YES. [2024-11-16 23:43:17,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3377 conditions, 2958 events. 260/2958 cut-off events. For 27/76 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 27937 event pairs, 42 based on Foata normal form. 0/2586 useless extension candidates. Maximal degree in co-relation 2920. Up to 136 conditions per place. [2024-11-16 23:43:17,494 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2024-11-16 23:43:17,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 900 flow [2024-11-16 23:43:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-11-16 23:43:17,496 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-11-16 23:43:17,496 INFO L175 Difference]: Start difference. First operand has 371 places, 382 transitions, 856 flow. Second operand 3 states and 1242 transitions. [2024-11-16 23:43:17,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 900 flow [2024-11-16 23:43:17,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 386 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:17,500 INFO L231 Difference]: Finished difference. Result has 373 places, 384 transitions, 874 flow [2024-11-16 23:43:17,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=874, PETRI_PLACES=373, PETRI_TRANSITIONS=384} [2024-11-16 23:43:17,501 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-11-16 23:43:17,501 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 384 transitions, 874 flow [2024-11-16 23:43:17,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-16 23:43:17,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:17,502 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] [2024-11-16 23:43:17,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:17,503 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:17,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:17,503 INFO L85 PathProgramCache]: Analyzing trace with hash -156761787, now seen corresponding path program 1 times [2024-11-16 23:43:17,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:17,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355746899] [2024-11-16 23:43:17,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:17,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:17,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355746899] [2024-11-16 23:43:17,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355746899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:17,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:17,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:17,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166231299] [2024-11-16 23:43:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:17,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:17,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:17,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:17,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:17,537 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:17,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 384 transitions, 874 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-16 23:43:17,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:17,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:17,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,953 INFO L124 PetriNetUnfolderBase]: 390/4199 cut-off events. [2024-11-16 23:43:17,953 INFO L125 PetriNetUnfolderBase]: For 60/116 co-relation queries the response was YES. [2024-11-16 23:43:17,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4849 conditions, 4199 events. 390/4199 cut-off events. For 60/116 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 42600 event pairs, 32 based on Foata normal form. 2/3712 useless extension candidates. Maximal degree in co-relation 3856. Up to 132 conditions per place. [2024-11-16 23:43:17,991 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2024-11-16 23:43:17,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 385 transitions, 906 flow [2024-11-16 23:43:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-11-16 23:43:17,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2024-11-16 23:43:17,994 INFO L175 Difference]: Start difference. First operand has 373 places, 384 transitions, 874 flow. Second operand 3 states and 1239 transitions. [2024-11-16 23:43:17,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 385 transitions, 906 flow [2024-11-16 23:43:17,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 385 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:17,998 INFO L231 Difference]: Finished difference. Result has 372 places, 383 transitions, 870 flow [2024-11-16 23:43:17,999 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=372, PETRI_TRANSITIONS=383} [2024-11-16 23:43:17,999 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2024-11-16 23:43:18,000 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 383 transitions, 870 flow [2024-11-16 23:43:18,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2024-11-16 23:43:18,000 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:18,000 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] [2024-11-16 23:43:18,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:43:18,001 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:18,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1217651230, now seen corresponding path program 1 times [2024-11-16 23:43:18,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:18,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358372139] [2024-11-16 23:43:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:18,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:18,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358372139] [2024-11-16 23:43:18,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358372139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:18,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:18,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:18,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431614328] [2024-11-16 23:43:18,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:18,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:18,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:18,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 430 [2024-11-16 23:43:18,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 383 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-16 23:43:18,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:18,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 430 [2024-11-16 23:43:18,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:18,707 INFO L124 PetriNetUnfolderBase]: 648/5839 cut-off events. [2024-11-16 23:43:18,707 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2024-11-16 23:43:18,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6872 conditions, 5839 events. 648/5839 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 64584 event pairs, 68 based on Foata normal form. 1/5262 useless extension candidates. Maximal degree in co-relation 5944. Up to 585 conditions per place. [2024-11-16 23:43:18,766 INFO L140 encePairwiseOnDemand]: 422/430 looper letters, 19 selfloop transitions, 4 changer transitions 0/387 dead transitions. [2024-11-16 23:43:18,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 387 transitions, 928 flow [2024-11-16 23:43:18,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2024-11-16 23:43:18,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9558139534883721 [2024-11-16 23:43:18,769 INFO L175 Difference]: Start difference. First operand has 372 places, 383 transitions, 870 flow. Second operand 3 states and 1233 transitions. [2024-11-16 23:43:18,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 387 transitions, 928 flow [2024-11-16 23:43:18,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 387 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:18,776 INFO L231 Difference]: Finished difference. Result has 369 places, 383 transitions, 886 flow [2024-11-16 23:43:18,776 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=369, PETRI_TRANSITIONS=383} [2024-11-16 23:43:18,777 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-11-16 23:43:18,777 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 383 transitions, 886 flow [2024-11-16 23:43:18,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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) [2024-11-16 23:43:18,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:18,778 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] [2024-11-16 23:43:18,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:43:18,778 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:18,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:18,779 INFO L85 PathProgramCache]: Analyzing trace with hash -171278493, now seen corresponding path program 1 times [2024-11-16 23:43:18,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:18,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989334262] [2024-11-16 23:43:18,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:18,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:18,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:18,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989334262] [2024-11-16 23:43:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989334262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:18,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:18,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:43:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612207401] [2024-11-16 23:43:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:18,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:18,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:18,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:18,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:18,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 383 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-16 23:43:18,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:18,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:18,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:19,481 INFO L124 PetriNetUnfolderBase]: 413/3953 cut-off events. [2024-11-16 23:43:19,481 INFO L125 PetriNetUnfolderBase]: For 107/136 co-relation queries the response was YES. [2024-11-16 23:43:19,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4768 conditions, 3953 events. 413/3953 cut-off events. For 107/136 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 39269 event pairs, 64 based on Foata normal form. 2/3510 useless extension candidates. Maximal degree in co-relation 4191. Up to 287 conditions per place. [2024-11-16 23:43:19,534 INFO L140 encePairwiseOnDemand]: 426/430 looper letters, 14 selfloop transitions, 3 changer transitions 0/387 dead transitions. [2024-11-16 23:43:19,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 387 transitions, 930 flow [2024-11-16 23:43:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1242 transitions. [2024-11-16 23:43:19,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9627906976744186 [2024-11-16 23:43:19,537 INFO L175 Difference]: Start difference. First operand has 369 places, 383 transitions, 886 flow. Second operand 3 states and 1242 transitions. [2024-11-16 23:43:19,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 387 transitions, 930 flow [2024-11-16 23:43:19,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 387 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:19,541 INFO L231 Difference]: Finished difference. Result has 373 places, 385 transitions, 908 flow [2024-11-16 23:43:19,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=373, PETRI_TRANSITIONS=385} [2024-11-16 23:43:19,542 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -19 predicate places. [2024-11-16 23:43:19,542 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 385 transitions, 908 flow [2024-11-16 23:43:19,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-16 23:43:19,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:19,543 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] [2024-11-16 23:43:19,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:43:19,543 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:19,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash 754191696, now seen corresponding path program 1 times [2024-11-16 23:43:19,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:19,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128960904] [2024-11-16 23:43:19,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:19,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:19,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:19,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:19,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128960904] [2024-11-16 23:43:19,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128960904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:19,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:19,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:19,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270319246] [2024-11-16 23:43:19,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:19,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:19,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:19,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:19,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:19,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:19,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 385 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-16 23:43:19,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:19,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:19,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:19,888 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1073] L56-10-->L56-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][258], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 479#true, Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 474#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, 367#L56-9true, Black: 442#true, Black: 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 163#L77true, 453#(= |#race~sort_label_0~0| 0)]) [2024-11-16 23:43:19,889 INFO L294 olderBase$Statistics]: this new event has 176 ancestors and is cut-off event [2024-11-16 23:43:19,889 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2024-11-16 23:43:19,889 INFO L297 olderBase$Statistics]: existing Event has 173 ancestors and is cut-off event [2024-11-16 23:43:19,889 INFO L297 olderBase$Statistics]: existing Event has 181 ancestors and is cut-off event [2024-11-16 23:43:19,901 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1073] L56-10-->L56-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet24#1][258], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 479#true, Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, 367#L56-9true, Black: 442#true, Black: 474#true, 163#L77true, 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2024-11-16 23:43:19,901 INFO L294 olderBase$Statistics]: this new event has 173 ancestors and is not cut-off event [2024-11-16 23:43:19,902 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is not cut-off event [2024-11-16 23:43:19,902 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2024-11-16 23:43:19,902 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is not cut-off event [2024-11-16 23:43:19,910 INFO L124 PetriNetUnfolderBase]: 392/3250 cut-off events. [2024-11-16 23:43:19,910 INFO L125 PetriNetUnfolderBase]: For 208/236 co-relation queries the response was YES. [2024-11-16 23:43:19,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4302 conditions, 3250 events. 392/3250 cut-off events. For 208/236 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 31528 event pairs, 48 based on Foata normal form. 2/2986 useless extension candidates. Maximal degree in co-relation 3700. Up to 248 conditions per place. [2024-11-16 23:43:19,957 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 12 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2024-11-16 23:43:19,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 940 flow [2024-11-16 23:43:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2024-11-16 23:43:19,959 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604651162790697 [2024-11-16 23:43:19,959 INFO L175 Difference]: Start difference. First operand has 373 places, 385 transitions, 908 flow. Second operand 3 states and 1239 transitions. [2024-11-16 23:43:19,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 940 flow [2024-11-16 23:43:19,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 386 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:19,965 INFO L231 Difference]: Finished difference. Result has 372 places, 384 transitions, 904 flow [2024-11-16 23:43:19,965 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=372, PETRI_TRANSITIONS=384} [2024-11-16 23:43:19,965 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -20 predicate places. [2024-11-16 23:43:19,965 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 384 transitions, 904 flow [2024-11-16 23:43:19,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 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) [2024-11-16 23:43:19,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:19,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:19,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:43:19,966 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:19,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:19,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1918079761, now seen corresponding path program 1 times [2024-11-16 23:43:19,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:19,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958986613] [2024-11-16 23:43:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:19,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:20,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:20,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958986613] [2024-11-16 23:43:20,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958986613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:20,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:20,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:20,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880738750] [2024-11-16 23:43:20,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:20,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:20,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:20,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:20,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:20,008 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 430 [2024-11-16 23:43:20,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 384 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-16 23:43:20,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:20,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 430 [2024-11-16 23:43:20,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:20,491 INFO L124 PetriNetUnfolderBase]: 388/4741 cut-off events. [2024-11-16 23:43:20,491 INFO L125 PetriNetUnfolderBase]: For 7/17 co-relation queries the response was YES. [2024-11-16 23:43:20,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5737 conditions, 4741 events. 388/4741 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 50306 event pairs, 11 based on Foata normal form. 0/4355 useless extension candidates. Maximal degree in co-relation 5160. Up to 210 conditions per place. [2024-11-16 23:43:20,532 INFO L140 encePairwiseOnDemand]: 428/430 looper letters, 8 selfloop transitions, 1 changer transitions 0/383 dead transitions. [2024-11-16 23:43:20,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 383 transitions, 920 flow [2024-11-16 23:43:20,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2024-11-16 23:43:20,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9635658914728682 [2024-11-16 23:43:20,534 INFO L175 Difference]: Start difference. First operand has 372 places, 384 transitions, 904 flow. Second operand 3 states and 1243 transitions. [2024-11-16 23:43:20,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 383 transitions, 920 flow [2024-11-16 23:43:20,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 383 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:20,541 INFO L231 Difference]: Finished difference. Result has 371 places, 383 transitions, 900 flow [2024-11-16 23:43:20,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=371, PETRI_TRANSITIONS=383} [2024-11-16 23:43:20,542 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -21 predicate places. [2024-11-16 23:43:20,542 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 383 transitions, 900 flow [2024-11-16 23:43:20,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-16 23:43:20,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:20,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:20,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:43:20,543 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:20,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:20,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1303777146, now seen corresponding path program 1 times [2024-11-16 23:43:20,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:20,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791398089] [2024-11-16 23:43:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:20,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:20,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:20,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791398089] [2024-11-16 23:43:20,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791398089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:20,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:20,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:20,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008979909] [2024-11-16 23:43:20,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:20,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:20,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:20,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:20,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 383 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-16 23:43:20,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:20,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:20,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:21,042 INFO L124 PetriNetUnfolderBase]: 447/5342 cut-off events. [2024-11-16 23:43:21,043 INFO L125 PetriNetUnfolderBase]: For 11/35 co-relation queries the response was YES. [2024-11-16 23:43:21,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 5342 events. 447/5342 cut-off events. For 11/35 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 58494 event pairs, 25 based on Foata normal form. 0/4912 useless extension candidates. Maximal degree in co-relation 6230. Up to 193 conditions per place. [2024-11-16 23:43:21,108 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 10 selfloop transitions, 1 changer transitions 0/381 dead transitions. [2024-11-16 23:43:21,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 381 transitions, 918 flow [2024-11-16 23:43:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1237 transitions. [2024-11-16 23:43:21,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9589147286821705 [2024-11-16 23:43:21,111 INFO L175 Difference]: Start difference. First operand has 371 places, 383 transitions, 900 flow. Second operand 3 states and 1237 transitions. [2024-11-16 23:43:21,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 381 transitions, 918 flow [2024-11-16 23:43:21,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 381 transitions, 917 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:21,116 INFO L231 Difference]: Finished difference. Result has 370 places, 381 transitions, 897 flow [2024-11-16 23:43:21,116 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=370, PETRI_TRANSITIONS=381} [2024-11-16 23:43:21,117 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -22 predicate places. [2024-11-16 23:43:21,117 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 381 transitions, 897 flow [2024-11-16 23:43:21,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-16 23:43:21,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:21,118 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:21,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 23:43:21,118 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2024-11-16 23:43:21,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:21,118 INFO L85 PathProgramCache]: Analyzing trace with hash 492891522, now seen corresponding path program 1 times [2024-11-16 23:43:21,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:21,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241969023] [2024-11-16 23:43:21,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:21,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241969023] [2024-11-16 23:43:21,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241969023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:21,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:21,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:21,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716051057] [2024-11-16 23:43:21,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:21,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:21,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:21,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:21,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:21,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 430 [2024-11-16 23:43:21,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 381 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-16 23:43:21,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:21,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 430 [2024-11-16 23:43:21,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:21,427 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L56-9-->L56-8: Formula: (= |v_#race~result_8~0_3| |v_thread3Thread1of1ForFork1_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_3|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_8~0][267], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), 352#L56-8true, Black: 455#true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 470#true, Black: 438#true, Black: 442#true, 163#L77true, Black: 476#(not |thread3Thread1of1ForFork1_#t~short19#1|), 453#(= |#race~sort_label_0~0| 0)]) [2024-11-16 23:43:21,427 INFO L294 olderBase$Statistics]: this new event has 182 ancestors and is cut-off event [2024-11-16 23:43:21,427 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2024-11-16 23:43:21,428 INFO L297 olderBase$Statistics]: existing Event has 177 ancestors and is cut-off event [2024-11-16 23:43:21,428 INFO L297 olderBase$Statistics]: existing Event has 174 ancestors and is cut-off event [2024-11-16 23:43:21,432 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1078] L56-9-->L56-8: Formula: (= |v_#race~result_8~0_3| |v_thread3Thread1of1ForFork1_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_3|, thread3Thread1of1ForFork1_#t~nondet24#1=|v_thread3Thread1of1ForFork1_#t~nondet24#1_3|} AuxVars[] AssignedVars[#race~result_8~0][267], [Black: 448#(not |thread1Thread1of1ForFork0_#t~short3#1|), 436#(= |#race~sort_label_is_null_1~0| 0), 485#true, Black: 451#true, 457#(= |#race~sort_label_2~0| 0), Black: 455#true, 352#L56-8true, 440#(= |#race~sort_label_is_null_3~0| 0), Black: 464#(not |thread2Thread1of1ForFork2_#t~short11#1|), 488#true, Black: 434#true, 444#(= |#race~sort_label_is_null_5~0| 0), 472#(= |#race~sort_label_4~0| 0), Black: 438#true, Black: 470#true, Black: 442#true, Black: 474#true, 163#L77true, 453#(= |#race~sort_label_0~0| 0)]) [2024-11-16 23:43:21,432 INFO L294 olderBase$Statistics]: this new event has 174 ancestors and is not cut-off event [2024-11-16 23:43:21,432 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2024-11-16 23:43:21,432 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is not cut-off event [2024-11-16 23:43:21,432 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is not cut-off event [2024-11-16 23:43:21,439 INFO L124 PetriNetUnfolderBase]: 285/2989 cut-off events. [2024-11-16 23:43:21,439 INFO L125 PetriNetUnfolderBase]: For 38/52 co-relation queries the response was YES. [2024-11-16 23:43:21,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 2989 events. 285/2989 cut-off events. For 38/52 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 27932 event pairs, 33 based on Foata normal form. 5/2739 useless extension candidates. Maximal degree in co-relation 3575. Up to 150 conditions per place. [2024-11-16 23:43:21,471 INFO L140 encePairwiseOnDemand]: 427/430 looper letters, 0 selfloop transitions, 0 changer transitions 379/379 dead transitions. [2024-11-16 23:43:21,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 379 transitions, 913 flow [2024-11-16 23:43:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2024-11-16 23:43:21,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.958139534883721 [2024-11-16 23:43:21,473 INFO L175 Difference]: Start difference. First operand has 370 places, 381 transitions, 897 flow. Second operand 3 states and 1236 transitions. [2024-11-16 23:43:21,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 379 transitions, 913 flow [2024-11-16 23:43:21,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 379 transitions, 912 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:21,477 INFO L231 Difference]: Finished difference. Result has 369 places, 0 transitions, 0 flow [2024-11-16 23:43:21,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=369, PETRI_TRANSITIONS=0} [2024-11-16 23:43:21,477 INFO L277 CegarLoopForPetriNet]: 392 programPoint places, -23 predicate places. [2024-11-16 23:43:21,477 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 0 transitions, 0 flow [2024-11-16 23:43:21,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-16 23:43:21,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2024-11-16 23:43:21,480 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2024-11-16 23:43:21,481 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2024-11-16 23:43:21,482 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (51 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2024-11-16 23:43:21,483 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2024-11-16 23:43:21,484 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2024-11-16 23:43:21,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2024-11-16 23:43:21,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2024-11-16 23:43:21,487 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2024-11-16 23:43:21,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2024-11-16 23:43:21,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2024-11-16 23:43:21,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 23:43:21,488 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:21,493 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:43:21,493 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:43:21,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:43:21 BasicIcfg [2024-11-16 23:43:21,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:43:21,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:43:21,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:43:21,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:43:21,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:11" (3/4) ... [2024-11-16 23:43:21,499 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:43:21,501 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:43:21,501 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:43:21,502 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:43:21,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-16 23:43:21,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:43:21,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:43:21,505 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:43:21,588 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:43:21,590 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:43:21,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:43:21,591 INFO L158 Benchmark]: Toolchain (without parser) took 10680.27ms. Allocated memory was 188.7MB in the beginning and 994.1MB in the end (delta: 805.3MB). Free memory was 116.2MB in the beginning and 757.5MB in the end (delta: -641.3MB). Peak memory consumption was 166.5MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,591 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:43:21,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.03ms. Allocated memory is still 188.7MB. Free memory was 116.0MB in the beginning and 102.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.69ms. Allocated memory is still 188.7MB. Free memory was 102.1MB in the beginning and 99.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,592 INFO L158 Benchmark]: Boogie Preprocessor took 29.90ms. Allocated memory is still 188.7MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,592 INFO L158 Benchmark]: IcfgBuilder took 717.64ms. Allocated memory is still 188.7MB. Free memory was 97.7MB in the beginning and 129.9MB in the end (delta: -32.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,592 INFO L158 Benchmark]: TraceAbstraction took 9572.00ms. Allocated memory was 188.7MB in the beginning and 994.1MB in the end (delta: 805.3MB). Free memory was 129.8MB in the beginning and 762.8MB in the end (delta: -633.0MB). Peak memory consumption was 575.0MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,592 INFO L158 Benchmark]: Witness Printer took 93.28ms. Allocated memory is still 994.1MB. Free memory was 762.8MB in the beginning and 757.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:43:21,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.03ms. Allocated memory is still 188.7MB. Free memory was 116.0MB in the beginning and 102.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.69ms. Allocated memory is still 188.7MB. Free memory was 102.1MB in the beginning and 99.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.90ms. Allocated memory is still 188.7MB. Free memory was 99.4MB in the beginning and 97.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 717.64ms. Allocated memory is still 188.7MB. Free memory was 97.7MB in the beginning and 129.9MB in the end (delta: -32.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9572.00ms. Allocated memory was 188.7MB in the beginning and 994.1MB in the end (delta: 805.3MB). Free memory was 129.8MB in the beginning and 762.8MB in the end (delta: -633.0MB). Peak memory consumption was 575.0MB. Max. memory is 16.1GB. * Witness Printer took 93.28ms. Allocated memory is still 994.1MB. Free memory was 762.8MB in the beginning and 757.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 68]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 7 procedures, 674 locations, 80 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.4s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 648 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 131 mSDtfsCounter, 648 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred in iteration=17, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1874 NumberOfCodeBlocks, 1874 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1853 ConstructedInterpolants, 0 QuantifiedInterpolants, 1892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:43:21,616 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