./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/unroll-cond-5.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 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:46:28,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:46:29,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:46:29,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:46:29,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:46:29,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:46:29,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:46:29,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:46:29,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:46:29,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:46:29,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:46:29,038 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:46:29,039 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:46:29,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:46:29,039 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2025-03-14 01:46:29,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:46:29,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:46:29,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:46:29,275 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:46:29,275 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:46:29,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2025-03-14 01:46:30,420 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eaedaf3/8b3471d57ddb419b8d7bfae4a4ca3a38/FLAGa0798ac79 [2025-03-14 01:46:30,647 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:46:30,652 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2025-03-14 01:46:30,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eaedaf3/8b3471d57ddb419b8d7bfae4a4ca3a38/FLAGa0798ac79 [2025-03-14 01:46:30,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62eaedaf3/8b3471d57ddb419b8d7bfae4a4ca3a38 [2025-03-14 01:46:30,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:46:30,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:46:30,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:46:30,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:46:30,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:46:30,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:46:30" (1/1) ... [2025-03-14 01:46:30,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b249d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:30, skipping insertion in model container [2025-03-14 01:46:30,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:46:30" (1/1) ... [2025-03-14 01:46:31,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:46:31,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:46:31,154 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:46:31,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:46:31,194 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:46:31,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31 WrapperNode [2025-03-14 01:46:31,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:46:31,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:46:31,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:46:31,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:46:31,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,230 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 463 [2025-03-14 01:46:31,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:46:31,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:46:31,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:46:31,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:46:31,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:46:31,269 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:46:31,270 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:46:31,270 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:46:31,271 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (1/1) ... [2025-03-14 01:46:31,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:46:31,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:46:31,300 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) [2025-03-14 01:46:31,302 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 [2025-03-14 01:46:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:46:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:46:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:46:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:46:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:46:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:46:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 01:46:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 01:46:31,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:46:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:46:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 01:46:31,325 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:46:31,413 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:46:31,415 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:46:32,074 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:46:32,075 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:46:32,075 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:46:32,102 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:46:32,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:32 BoogieIcfgContainer [2025-03-14 01:46:32,105 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:46:32,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:46:32,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:46:32,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:46:32,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:46:30" (1/3) ... [2025-03-14 01:46:32,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e116fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:46:32, skipping insertion in model container [2025-03-14 01:46:32,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:46:31" (2/3) ... [2025-03-14 01:46:32,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e116fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:46:32, skipping insertion in model container [2025-03-14 01:46:32,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:32" (3/3) ... [2025-03-14 01:46:32,114 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2025-03-14 01:46:32,128 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:46:32,129 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-5.wvr.c that has 3 procedures, 595 locations, 1 initial locations, 3 loop locations, and 84 error locations. [2025-03-14 01:46:32,129 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:46:32,253 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-14 01:46:32,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 601 places, 627 transitions, 1268 flow [2025-03-14 01:46:32,427 INFO L124 PetriNetUnfolderBase]: 33/625 cut-off events. [2025-03-14 01:46:32,428 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:46:32,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 625 events. 33/625 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1870 event pairs, 0 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 500. Up to 2 conditions per place. [2025-03-14 01:46:32,438 INFO L82 GeneralOperation]: Start removeDead. Operand has 601 places, 627 transitions, 1268 flow [2025-03-14 01:46:32,446 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 583 places, 608 transitions, 1228 flow [2025-03-14 01:46:32,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:46:32,459 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;@4bd23194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:46:32,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2025-03-14 01:46:32,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:46:32,463 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-14 01:46:32,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:46:32,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:32,464 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:32,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:32,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:32,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1499517781, now seen corresponding path program 1 times [2025-03-14 01:46:32,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:32,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617057790] [2025-03-14 01:46:32,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:32,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-14 01:46:32,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-14 01:46:32,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:32,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:32,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:32,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617057790] [2025-03-14 01:46:32,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617057790] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:32,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:32,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:32,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113945228] [2025-03-14 01:46:32,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:32,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:32,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:32,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:32,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:32,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 593 out of 627 [2025-03-14 01:46:32,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 608 transitions, 1228 flow. Second operand has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-03-14 01:46:32,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:32,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 593 of 627 [2025-03-14 01:46:32,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:32,818 INFO L124 PetriNetUnfolderBase]: 40/920 cut-off events. [2025-03-14 01:46:32,818 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-03-14 01:46:32,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 920 events. 40/920 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4504 event pairs, 11 based on Foata normal form. 19/760 useless extension candidates. Maximal degree in co-relation 833. Up to 42 conditions per place. [2025-03-14 01:46:32,831 INFO L140 encePairwiseOnDemand]: 609/627 looper letters, 13 selfloop transitions, 2 changer transitions 3/592 dead transitions. [2025-03-14 01:46:32,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 592 transitions, 1226 flow [2025-03-14 01:46:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1810 transitions. [2025-03-14 01:46:32,849 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.962254120148857 [2025-03-14 01:46:32,851 INFO L175 Difference]: Start difference. First operand has 583 places, 608 transitions, 1228 flow. Second operand 3 states and 1810 transitions. [2025-03-14 01:46:32,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 592 transitions, 1226 flow [2025-03-14 01:46:32,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 592 transitions, 1218 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-14 01:46:32,871 INFO L231 Difference]: Finished difference. Result has 580 places, 589 transitions, 1186 flow [2025-03-14 01:46:32,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=592, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1186, PETRI_PLACES=580, PETRI_TRANSITIONS=589} [2025-03-14 01:46:32,877 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -3 predicate places. [2025-03-14 01:46:32,878 INFO L471 AbstractCegarLoop]: Abstraction has has 580 places, 589 transitions, 1186 flow [2025-03-14 01:46:32,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.3333333333334) internal successors, (1783), 3 states have internal predecessors, (1783), 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) [2025-03-14 01:46:32,879 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:32,879 INFO L206 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] [2025-03-14 01:46:32,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:46:32,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:32,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1642353247, now seen corresponding path program 1 times [2025-03-14 01:46:32,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:32,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483143862] [2025-03-14 01:46:32,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:32,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-14 01:46:32,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-14 01:46:32,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:32,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:32,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:32,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483143862] [2025-03-14 01:46:32,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483143862] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:32,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:32,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:32,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624996579] [2025-03-14 01:46:32,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:32,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:32,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:32,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:32,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:32,984 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 627 [2025-03-14 01:46:32,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 589 transitions, 1186 flow. Second operand has 3 states, 3 states have (on average 588.3333333333334) internal successors, (1765), 3 states have internal predecessors, (1765), 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) [2025-03-14 01:46:32,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:32,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 627 [2025-03-14 01:46:32,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:33,121 INFO L124 PetriNetUnfolderBase]: 50/1044 cut-off events. [2025-03-14 01:46:33,121 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-14 01:46:33,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 1044 events. 50/1044 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4886 event pairs, 19 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 1083. Up to 58 conditions per place. [2025-03-14 01:46:33,130 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 19 selfloop transitions, 2 changer transitions 0/588 dead transitions. [2025-03-14 01:46:33,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 588 transitions, 1226 flow [2025-03-14 01:46:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1783 transitions. [2025-03-14 01:46:33,136 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.947900053163211 [2025-03-14 01:46:33,136 INFO L175 Difference]: Start difference. First operand has 580 places, 589 transitions, 1186 flow. Second operand 3 states and 1783 transitions. [2025-03-14 01:46:33,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 588 transitions, 1226 flow [2025-03-14 01:46:33,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 588 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:33,146 INFO L231 Difference]: Finished difference. Result has 576 places, 588 transitions, 1184 flow [2025-03-14 01:46:33,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=576, PETRI_TRANSITIONS=588} [2025-03-14 01:46:33,147 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -7 predicate places. [2025-03-14 01:46:33,148 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 588 transitions, 1184 flow [2025-03-14 01:46:33,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 588.3333333333334) internal successors, (1765), 3 states have internal predecessors, (1765), 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) [2025-03-14 01:46:33,149 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:33,149 INFO L206 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] [2025-03-14 01:46:33,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:46:33,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:33,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:33,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1524469472, now seen corresponding path program 1 times [2025-03-14 01:46:33,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:33,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806283600] [2025-03-14 01:46:33,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:33,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-14 01:46:33,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-14 01:46:33,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:33,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:33,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:33,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806283600] [2025-03-14 01:46:33,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806283600] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:33,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:33,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:33,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162987738] [2025-03-14 01:46:33,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:33,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:33,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:33,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:33,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:33,238 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 627 [2025-03-14 01:46:33,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 576 places, 588 transitions, 1184 flow. Second operand has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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) [2025-03-14 01:46:33,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:33,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 627 [2025-03-14 01:46:33,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:33,540 INFO L124 PetriNetUnfolderBase]: 180/2417 cut-off events. [2025-03-14 01:46:33,540 INFO L125 PetriNetUnfolderBase]: For 41/42 co-relation queries the response was YES. [2025-03-14 01:46:33,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2624 conditions, 2417 events. 180/2417 cut-off events. For 41/42 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 15866 event pairs, 56 based on Foata normal form. 0/1938 useless extension candidates. Maximal degree in co-relation 2588. Up to 197 conditions per place. [2025-03-14 01:46:33,559 INFO L140 encePairwiseOnDemand]: 614/627 looper letters, 28 selfloop transitions, 1 changer transitions 0/576 dead transitions. [2025-03-14 01:46:33,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 576 transitions, 1218 flow [2025-03-14 01:46:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1748 transitions. [2025-03-14 01:46:33,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2025-03-14 01:46:33,563 INFO L175 Difference]: Start difference. First operand has 576 places, 588 transitions, 1184 flow. Second operand 3 states and 1748 transitions. [2025-03-14 01:46:33,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 576 transitions, 1218 flow [2025-03-14 01:46:33,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 576 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:33,571 INFO L231 Difference]: Finished difference. Result has 564 places, 576 transitions, 1158 flow [2025-03-14 01:46:33,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1156, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1158, PETRI_PLACES=564, PETRI_TRANSITIONS=576} [2025-03-14 01:46:33,573 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -19 predicate places. [2025-03-14 01:46:33,573 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 576 transitions, 1158 flow [2025-03-14 01:46:33,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.0) internal successors, (1710), 3 states have internal predecessors, (1710), 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) [2025-03-14 01:46:33,574 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:33,574 INFO L206 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] [2025-03-14 01:46:33,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:46:33,574 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash -185885204, now seen corresponding path program 1 times [2025-03-14 01:46:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539866258] [2025-03-14 01:46:33,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:33,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-14 01:46:33,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-14 01:46:33,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:33,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:33,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:33,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539866258] [2025-03-14 01:46:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539866258] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:33,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:33,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:33,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321108682] [2025-03-14 01:46:33,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:33,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:33,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:33,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:33,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:33,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 627 [2025-03-14 01:46:33,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 576 transitions, 1158 flow. Second operand has 3 states, 3 states have (on average 590.3333333333334) internal successors, (1771), 3 states have internal predecessors, (1771), 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) [2025-03-14 01:46:33,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:33,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 627 [2025-03-14 01:46:33,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:33,857 INFO L124 PetriNetUnfolderBase]: 50/1022 cut-off events. [2025-03-14 01:46:33,858 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2025-03-14 01:46:33,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 1022 events. 50/1022 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4780 event pairs, 19 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 1050. Up to 56 conditions per place. [2025-03-14 01:46:33,868 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 17 selfloop transitions, 2 changer transitions 0/575 dead transitions. [2025-03-14 01:46:33,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 575 transitions, 1194 flow [2025-03-14 01:46:33,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1787 transitions. [2025-03-14 01:46:33,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.950026581605529 [2025-03-14 01:46:33,874 INFO L175 Difference]: Start difference. First operand has 564 places, 576 transitions, 1158 flow. Second operand 3 states and 1787 transitions. [2025-03-14 01:46:33,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 575 transitions, 1194 flow [2025-03-14 01:46:33,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 575 transitions, 1193 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:46:33,885 INFO L231 Difference]: Finished difference. Result has 564 places, 575 transitions, 1159 flow [2025-03-14 01:46:33,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1159, PETRI_PLACES=564, PETRI_TRANSITIONS=575} [2025-03-14 01:46:33,888 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -19 predicate places. [2025-03-14 01:46:33,888 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 575 transitions, 1159 flow [2025-03-14 01:46:33,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.3333333333334) internal successors, (1771), 3 states have internal predecessors, (1771), 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) [2025-03-14 01:46:33,890 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:33,890 INFO L206 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] [2025-03-14 01:46:33,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:46:33,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash 730234998, now seen corresponding path program 1 times [2025-03-14 01:46:33,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:33,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432157002] [2025-03-14 01:46:33,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:33,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-14 01:46:33,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-14 01:46:33,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:33,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:34,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432157002] [2025-03-14 01:46:34,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432157002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:34,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:34,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:46:34,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379604128] [2025-03-14 01:46:34,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:34,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:46:34,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:34,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:46:34,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:46:34,666 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 627 [2025-03-14 01:46:34,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 575 transitions, 1159 flow. Second operand has 6 states, 6 states have (on average 553.5) internal successors, (3321), 6 states have internal predecessors, (3321), 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) [2025-03-14 01:46:34,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:34,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 627 [2025-03-14 01:46:34,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:35,037 INFO L124 PetriNetUnfolderBase]: 368/3207 cut-off events. [2025-03-14 01:46:35,037 INFO L125 PetriNetUnfolderBase]: For 76/77 co-relation queries the response was YES. [2025-03-14 01:46:35,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 3207 events. 368/3207 cut-off events. For 76/77 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 22887 event pairs, 184 based on Foata normal form. 0/2592 useless extension candidates. Maximal degree in co-relation 3704. Up to 516 conditions per place. [2025-03-14 01:46:35,053 INFO L140 encePairwiseOnDemand]: 621/627 looper letters, 52 selfloop transitions, 5 changer transitions 0/574 dead transitions. [2025-03-14 01:46:35,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 574 transitions, 1271 flow [2025-03-14 01:46:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:46:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:46:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3370 transitions. [2025-03-14 01:46:35,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8958001063264222 [2025-03-14 01:46:35,059 INFO L175 Difference]: Start difference. First operand has 564 places, 575 transitions, 1159 flow. Second operand 6 states and 3370 transitions. [2025-03-14 01:46:35,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 574 transitions, 1271 flow [2025-03-14 01:46:35,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 574 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:35,065 INFO L231 Difference]: Finished difference. Result has 566 places, 574 transitions, 1163 flow [2025-03-14 01:46:35,065 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1163, PETRI_PLACES=566, PETRI_TRANSITIONS=574} [2025-03-14 01:46:35,066 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -17 predicate places. [2025-03-14 01:46:35,066 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 574 transitions, 1163 flow [2025-03-14 01:46:35,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 553.5) internal successors, (3321), 6 states have internal predecessors, (3321), 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) [2025-03-14 01:46:35,068 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:35,068 INFO L206 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] [2025-03-14 01:46:35,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:46:35,069 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:35,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 185309371, now seen corresponding path program 1 times [2025-03-14 01:46:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394596771] [2025-03-14 01:46:35,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:35,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:35,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-14 01:46:35,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-14 01:46:35,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:35,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:35,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394596771] [2025-03-14 01:46:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394596771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973464683] [2025-03-14 01:46:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:35,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:35,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:35,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:35,132 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 587 out of 627 [2025-03-14 01:46:35,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 574 transitions, 1163 flow. Second operand has 3 states, 3 states have (on average 588.3333333333334) internal successors, (1765), 3 states have internal predecessors, (1765), 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) [2025-03-14 01:46:35,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:35,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 587 of 627 [2025-03-14 01:46:35,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:35,261 INFO L124 PetriNetUnfolderBase]: 104/1939 cut-off events. [2025-03-14 01:46:35,262 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-14 01:46:35,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2049 conditions, 1939 events. 104/1939 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 12257 event pairs, 20 based on Foata normal form. 0/1591 useless extension candidates. Maximal degree in co-relation 2031. Up to 94 conditions per place. [2025-03-14 01:46:35,270 INFO L140 encePairwiseOnDemand]: 619/627 looper letters, 18 selfloop transitions, 2 changer transitions 0/571 dead transitions. [2025-03-14 01:46:35,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 571 transitions, 1198 flow [2025-03-14 01:46:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1787 transitions. [2025-03-14 01:46:35,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.950026581605529 [2025-03-14 01:46:35,273 INFO L175 Difference]: Start difference. First operand has 566 places, 574 transitions, 1163 flow. Second operand 3 states and 1787 transitions. [2025-03-14 01:46:35,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 571 transitions, 1198 flow [2025-03-14 01:46:35,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 557 places, 571 transitions, 1188 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:46:35,284 INFO L231 Difference]: Finished difference. Result has 558 places, 570 transitions, 1155 flow [2025-03-14 01:46:35,285 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1155, PETRI_PLACES=558, PETRI_TRANSITIONS=570} [2025-03-14 01:46:35,285 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -25 predicate places. [2025-03-14 01:46:35,285 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 570 transitions, 1155 flow [2025-03-14 01:46:35,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 588.3333333333334) internal successors, (1765), 3 states have internal predecessors, (1765), 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) [2025-03-14 01:46:35,286 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:35,286 INFO L206 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] [2025-03-14 01:46:35,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:46:35,286 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:35,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:35,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1519716595, now seen corresponding path program 1 times [2025-03-14 01:46:35,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:35,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538614212] [2025-03-14 01:46:35,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:35,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-14 01:46:35,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-14 01:46:35,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:35,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:35,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:35,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538614212] [2025-03-14 01:46:35,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538614212] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:35,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:35,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:35,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124350917] [2025-03-14 01:46:35,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:35,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:35,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:35,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:35,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 593 out of 627 [2025-03-14 01:46:35,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 570 transitions, 1155 flow. Second operand has 3 states, 3 states have (on average 594.0) internal successors, (1782), 3 states have internal predecessors, (1782), 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) [2025-03-14 01:46:35,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:35,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 593 of 627 [2025-03-14 01:46:35,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:35,489 INFO L124 PetriNetUnfolderBase]: 55/1431 cut-off events. [2025-03-14 01:46:35,489 INFO L125 PetriNetUnfolderBase]: For 2/9 co-relation queries the response was YES. [2025-03-14 01:46:35,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1482 conditions, 1431 events. 55/1431 cut-off events. For 2/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7136 event pairs, 1 based on Foata normal form. 1/1190 useless extension candidates. Maximal degree in co-relation 1447. Up to 20 conditions per place. [2025-03-14 01:46:35,497 INFO L140 encePairwiseOnDemand]: 620/627 looper letters, 11 selfloop transitions, 3 changer transitions 0/567 dead transitions. [2025-03-14 01:46:35,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 567 transitions, 1178 flow [2025-03-14 01:46:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1797 transitions. [2025-03-14 01:46:35,500 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9553429027113237 [2025-03-14 01:46:35,500 INFO L175 Difference]: Start difference. First operand has 558 places, 570 transitions, 1155 flow. Second operand 3 states and 1797 transitions. [2025-03-14 01:46:35,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 567 transitions, 1178 flow [2025-03-14 01:46:35,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 567 transitions, 1178 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:46:35,507 INFO L231 Difference]: Finished difference. Result has 556 places, 566 transitions, 1153 flow [2025-03-14 01:46:35,507 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1147, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1153, PETRI_PLACES=556, PETRI_TRANSITIONS=566} [2025-03-14 01:46:35,510 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -27 predicate places. [2025-03-14 01:46:35,510 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 566 transitions, 1153 flow [2025-03-14 01:46:35,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 594.0) internal successors, (1782), 3 states have internal predecessors, (1782), 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) [2025-03-14 01:46:35,511 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:35,511 INFO L206 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] [2025-03-14 01:46:35,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:46:35,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err66ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1006140501, now seen corresponding path program 1 times [2025-03-14 01:46:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:35,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776969290] [2025-03-14 01:46:35,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:35,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-14 01:46:35,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-14 01:46:35,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:35,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:35,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:35,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776969290] [2025-03-14 01:46:35,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776969290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:35,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:35,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:35,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946086061] [2025-03-14 01:46:35,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:35,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:35,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:35,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:35,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:35,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 627 [2025-03-14 01:46:35,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 566 transitions, 1153 flow. Second operand has 3 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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) [2025-03-14 01:46:35,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:35,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 627 [2025-03-14 01:46:35,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:35,809 INFO L124 PetriNetUnfolderBase]: 105/1283 cut-off events. [2025-03-14 01:46:35,810 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2025-03-14 01:46:35,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 1283 events. 105/1283 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7022 event pairs, 9 based on Foata normal form. 1/1136 useless extension candidates. Maximal degree in co-relation 1524. Up to 217 conditions per place. [2025-03-14 01:46:35,817 INFO L140 encePairwiseOnDemand]: 580/627 looper letters, 49 selfloop transitions, 18 changer transitions 4/539 dead transitions. [2025-03-14 01:46:35,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 539 transitions, 1238 flow [2025-03-14 01:46:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2025-03-14 01:46:35,820 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8697501329080276 [2025-03-14 01:46:35,820 INFO L175 Difference]: Start difference. First operand has 556 places, 566 transitions, 1153 flow. Second operand 3 states and 1636 transitions. [2025-03-14 01:46:35,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 539 transitions, 1238 flow [2025-03-14 01:46:35,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 539 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:35,827 INFO L231 Difference]: Finished difference. Result has 528 places, 534 transitions, 1118 flow [2025-03-14 01:46:35,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=528, PETRI_TRANSITIONS=534} [2025-03-14 01:46:35,828 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -55 predicate places. [2025-03-14 01:46:35,828 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 534 transitions, 1118 flow [2025-03-14 01:46:35,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 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) [2025-03-14 01:46:35,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:35,829 INFO L206 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] [2025-03-14 01:46:35,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:46:35,829 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:35,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:35,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1819919401, now seen corresponding path program 1 times [2025-03-14 01:46:35,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:35,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205878856] [2025-03-14 01:46:35,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:35,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:35,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-14 01:46:35,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-14 01:46:35,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:35,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:35,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:35,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:35,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205878856] [2025-03-14 01:46:35,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205878856] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:35,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:35,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:35,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807514608] [2025-03-14 01:46:35,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:35,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:35,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:35,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:35,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:35,889 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 575 out of 627 [2025-03-14 01:46:35,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 534 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 576.3333333333334) internal successors, (1729), 3 states have internal predecessors, (1729), 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) [2025-03-14 01:46:35,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:35,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 575 of 627 [2025-03-14 01:46:35,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:36,126 INFO L124 PetriNetUnfolderBase]: 174/2498 cut-off events. [2025-03-14 01:46:36,126 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-14 01:46:36,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2813 conditions, 2498 events. 174/2498 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 16807 event pairs, 19 based on Foata normal form. 0/2225 useless extension candidates. Maximal degree in co-relation 2777. Up to 180 conditions per place. [2025-03-14 01:46:36,140 INFO L140 encePairwiseOnDemand]: 611/627 looper letters, 26 selfloop transitions, 6 changer transitions 0/532 dead transitions. [2025-03-14 01:46:36,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 532 transitions, 1180 flow [2025-03-14 01:46:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1767 transitions. [2025-03-14 01:46:36,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2025-03-14 01:46:36,144 INFO L175 Difference]: Start difference. First operand has 528 places, 534 transitions, 1118 flow. Second operand 3 states and 1767 transitions. [2025-03-14 01:46:36,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 532 transitions, 1180 flow [2025-03-14 01:46:36,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 532 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:36,151 INFO L231 Difference]: Finished difference. Result has 515 places, 530 transitions, 1104 flow [2025-03-14 01:46:36,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=515, PETRI_TRANSITIONS=530} [2025-03-14 01:46:36,152 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -68 predicate places. [2025-03-14 01:46:36,152 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 530 transitions, 1104 flow [2025-03-14 01:46:36,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 576.3333333333334) internal successors, (1729), 3 states have internal predecessors, (1729), 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) [2025-03-14 01:46:36,153 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:36,153 INFO L206 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] [2025-03-14 01:46:36,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:46:36,153 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:36,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:36,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1186672627, now seen corresponding path program 1 times [2025-03-14 01:46:36,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:36,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112027275] [2025-03-14 01:46:36,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:36,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-14 01:46:36,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-14 01:46:36,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:36,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:36,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112027275] [2025-03-14 01:46:36,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112027275] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:36,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:36,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-14 01:46:36,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933201060] [2025-03-14 01:46:36,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:36,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-14 01:46:36,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:36,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-14 01:46:36,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-14 01:46:36,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 627 [2025-03-14 01:46:36,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 530 transitions, 1104 flow. Second operand has 4 states, 4 states have (on average 600.25) internal successors, (2401), 4 states have internal predecessors, (2401), 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) [2025-03-14 01:46:36,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:36,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 627 [2025-03-14 01:46:36,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:36,555 INFO L124 PetriNetUnfolderBase]: 157/3092 cut-off events. [2025-03-14 01:46:36,555 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:46:36,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3268 conditions, 3092 events. 157/3092 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 21481 event pairs, 8 based on Foata normal form. 0/2753 useless extension candidates. Maximal degree in co-relation 3231. Up to 73 conditions per place. [2025-03-14 01:46:36,565 INFO L140 encePairwiseOnDemand]: 621/627 looper letters, 13 selfloop transitions, 6 changer transitions 0/539 dead transitions. [2025-03-14 01:46:36,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 539 transitions, 1164 flow [2025-03-14 01:46:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:46:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:46:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3015 transitions. [2025-03-14 01:46:36,570 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9617224880382775 [2025-03-14 01:46:36,570 INFO L175 Difference]: Start difference. First operand has 515 places, 530 transitions, 1104 flow. Second operand 5 states and 3015 transitions. [2025-03-14 01:46:36,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 539 transitions, 1164 flow [2025-03-14 01:46:36,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 539 transitions, 1164 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:46:36,575 INFO L231 Difference]: Finished difference. Result has 522 places, 534 transitions, 1142 flow [2025-03-14 01:46:36,576 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1142, PETRI_PLACES=522, PETRI_TRANSITIONS=534} [2025-03-14 01:46:36,577 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -61 predicate places. [2025-03-14 01:46:36,578 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 534 transitions, 1142 flow [2025-03-14 01:46:36,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 600.25) internal successors, (2401), 4 states have internal predecessors, (2401), 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) [2025-03-14 01:46:36,579 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:36,579 INFO L206 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] [2025-03-14 01:46:36,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-14 01:46:36,579 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:36,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:36,580 INFO L85 PathProgramCache]: Analyzing trace with hash 962500473, now seen corresponding path program 1 times [2025-03-14 01:46:36,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:36,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614842776] [2025-03-14 01:46:36,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:36,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-14 01:46:36,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-14 01:46:36,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:36,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:36,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614842776] [2025-03-14 01:46:36,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614842776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:36,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:36,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:46:36,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590105285] [2025-03-14 01:46:36,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:36,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:46:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:36,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:46:36,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:46:37,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 592 out of 627 [2025-03-14 01:46:37,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 534 transitions, 1142 flow. Second operand has 6 states, 6 states have (on average 593.5) internal successors, (3561), 6 states have internal predecessors, (3561), 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) [2025-03-14 01:46:37,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:37,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 592 of 627 [2025-03-14 01:46:37,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:37,539 INFO L124 PetriNetUnfolderBase]: 125/2383 cut-off events. [2025-03-14 01:46:37,539 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-03-14 01:46:37,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2586 conditions, 2383 events. 125/2383 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 15092 event pairs, 7 based on Foata normal form. 0/2135 useless extension candidates. Maximal degree in co-relation 2543. Up to 57 conditions per place. [2025-03-14 01:46:37,550 INFO L140 encePairwiseOnDemand]: 621/627 looper letters, 15 selfloop transitions, 6 changer transitions 0/537 dead transitions. [2025-03-14 01:46:37,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 537 transitions, 1194 flow [2025-03-14 01:46:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:46:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:46:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3573 transitions. [2025-03-14 01:46:37,556 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9497607655502392 [2025-03-14 01:46:37,556 INFO L175 Difference]: Start difference. First operand has 522 places, 534 transitions, 1142 flow. Second operand 6 states and 3573 transitions. [2025-03-14 01:46:37,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 537 transitions, 1194 flow [2025-03-14 01:46:37,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 537 transitions, 1194 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:46:37,565 INFO L231 Difference]: Finished difference. Result has 526 places, 533 transitions, 1152 flow [2025-03-14 01:46:37,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=526, PETRI_TRANSITIONS=533} [2025-03-14 01:46:37,566 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -57 predicate places. [2025-03-14 01:46:37,566 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 533 transitions, 1152 flow [2025-03-14 01:46:37,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 593.5) internal successors, (3561), 6 states have internal predecessors, (3561), 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) [2025-03-14 01:46:37,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:37,568 INFO L206 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] [2025-03-14 01:46:37,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-14 01:46:37,568 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err61ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:37,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:37,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2013158331, now seen corresponding path program 1 times [2025-03-14 01:46:37,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:37,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672202732] [2025-03-14 01:46:37,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:37,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-14 01:46:37,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-14 01:46:37,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:37,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:37,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:37,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672202732] [2025-03-14 01:46:37,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672202732] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:37,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:37,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-14 01:46:37,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492583623] [2025-03-14 01:46:37,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:37,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-14 01:46:37,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:37,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-14 01:46:37,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-14 01:46:37,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 591 out of 627 [2025-03-14 01:46:37,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 533 transitions, 1152 flow. Second operand has 4 states, 4 states have (on average 592.5) internal successors, (2370), 4 states have internal predecessors, (2370), 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) [2025-03-14 01:46:37,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:37,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 591 of 627 [2025-03-14 01:46:37,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:38,035 INFO L124 PetriNetUnfolderBase]: 192/3289 cut-off events. [2025-03-14 01:46:38,035 INFO L125 PetriNetUnfolderBase]: For 54/55 co-relation queries the response was YES. [2025-03-14 01:46:38,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3679 conditions, 3289 events. 192/3289 cut-off events. For 54/55 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 22195 event pairs, 16 based on Foata normal form. 0/2942 useless extension candidates. Maximal degree in co-relation 3636. Up to 133 conditions per place. [2025-03-14 01:46:38,051 INFO L140 encePairwiseOnDemand]: 617/627 looper letters, 20 selfloop transitions, 10 changer transitions 0/545 dead transitions. [2025-03-14 01:46:38,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 545 transitions, 1239 flow [2025-03-14 01:46:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:46:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:46:38,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2986 transitions. [2025-03-14 01:46:38,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9524720893141946 [2025-03-14 01:46:38,056 INFO L175 Difference]: Start difference. First operand has 526 places, 533 transitions, 1152 flow. Second operand 5 states and 2986 transitions. [2025-03-14 01:46:38,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 545 transitions, 1239 flow [2025-03-14 01:46:38,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 545 transitions, 1227 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:46:38,063 INFO L231 Difference]: Finished difference. Result has 528 places, 541 transitions, 1210 flow [2025-03-14 01:46:38,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1210, PETRI_PLACES=528, PETRI_TRANSITIONS=541} [2025-03-14 01:46:38,064 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -55 predicate places. [2025-03-14 01:46:38,064 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 541 transitions, 1210 flow [2025-03-14 01:46:38,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 592.5) internal successors, (2370), 4 states have internal predecessors, (2370), 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) [2025-03-14 01:46:38,066 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:38,066 INFO L206 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] [2025-03-14 01:46:38,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-14 01:46:38,066 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:38,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1288217669, now seen corresponding path program 1 times [2025-03-14 01:46:38,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837905492] [2025-03-14 01:46:38,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:38,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-14 01:46:38,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-14 01:46:38,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:38,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:38,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:38,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837905492] [2025-03-14 01:46:38,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837905492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:38,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:38,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:38,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524705122] [2025-03-14 01:46:38,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:38,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:38,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:38,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:38,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:38,125 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 627 [2025-03-14 01:46:38,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 541 transitions, 1210 flow. Second operand has 3 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 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) [2025-03-14 01:46:38,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:38,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 627 [2025-03-14 01:46:38,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:38,446 INFO L124 PetriNetUnfolderBase]: 221/4640 cut-off events. [2025-03-14 01:46:38,446 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2025-03-14 01:46:38,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 4640 events. 221/4640 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 36668 event pairs, 20 based on Foata normal form. 0/4162 useless extension candidates. Maximal degree in co-relation 5058. Up to 113 conditions per place. [2025-03-14 01:46:38,471 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 9 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2025-03-14 01:46:38,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 541 transitions, 1233 flow [2025-03-14 01:46:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:38,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1803 transitions. [2025-03-14 01:46:38,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9585326953748007 [2025-03-14 01:46:38,474 INFO L175 Difference]: Start difference. First operand has 528 places, 541 transitions, 1210 flow. Second operand 3 states and 1803 transitions. [2025-03-14 01:46:38,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 541 transitions, 1233 flow [2025-03-14 01:46:38,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 541 transitions, 1233 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:46:38,480 INFO L231 Difference]: Finished difference. Result has 529 places, 540 transitions, 1212 flow [2025-03-14 01:46:38,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1212, PETRI_PLACES=529, PETRI_TRANSITIONS=540} [2025-03-14 01:46:38,481 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -54 predicate places. [2025-03-14 01:46:38,481 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 540 transitions, 1212 flow [2025-03-14 01:46:38,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 599.3333333333334) internal successors, (1798), 3 states have internal predecessors, (1798), 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) [2025-03-14 01:46:38,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:38,482 INFO L206 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] [2025-03-14 01:46:38,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-14 01:46:38,482 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err25ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:38,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2057995352, now seen corresponding path program 1 times [2025-03-14 01:46:38,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:38,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823681477] [2025-03-14 01:46:38,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:38,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:38,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-14 01:46:38,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-14 01:46:38,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:38,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:38,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:38,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823681477] [2025-03-14 01:46:38,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823681477] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:38,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:38,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-14 01:46:38,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808650962] [2025-03-14 01:46:38,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:38,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-14 01:46:38,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:38,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-14 01:46:38,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-14 01:46:38,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 591 out of 627 [2025-03-14 01:46:38,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 540 transitions, 1212 flow. Second operand has 4 states, 4 states have (on average 592.5) internal successors, (2370), 4 states have internal predecessors, (2370), 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) [2025-03-14 01:46:38,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:38,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 591 of 627 [2025-03-14 01:46:38,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:38,942 INFO L124 PetriNetUnfolderBase]: 189/3275 cut-off events. [2025-03-14 01:46:38,942 INFO L125 PetriNetUnfolderBase]: For 176/177 co-relation queries the response was YES. [2025-03-14 01:46:38,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3767 conditions, 3275 events. 189/3275 cut-off events. For 176/177 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 22078 event pairs, 16 based on Foata normal form. 0/2948 useless extension candidates. Maximal degree in co-relation 3719. Up to 133 conditions per place. [2025-03-14 01:46:38,962 INFO L140 encePairwiseOnDemand]: 617/627 looper letters, 20 selfloop transitions, 10 changer transitions 0/547 dead transitions. [2025-03-14 01:46:38,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 547 transitions, 1289 flow [2025-03-14 01:46:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 01:46:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 01:46:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2986 transitions. [2025-03-14 01:46:38,968 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9524720893141946 [2025-03-14 01:46:38,968 INFO L175 Difference]: Start difference. First operand has 529 places, 540 transitions, 1212 flow. Second operand 5 states and 2986 transitions. [2025-03-14 01:46:38,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 547 transitions, 1289 flow [2025-03-14 01:46:38,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 547 transitions, 1285 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:38,975 INFO L231 Difference]: Finished difference. Result has 534 places, 543 transitions, 1258 flow [2025-03-14 01:46:38,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1208, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1258, PETRI_PLACES=534, PETRI_TRANSITIONS=543} [2025-03-14 01:46:38,976 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -49 predicate places. [2025-03-14 01:46:38,977 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 543 transitions, 1258 flow [2025-03-14 01:46:38,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 592.5) internal successors, (2370), 4 states have internal predecessors, (2370), 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) [2025-03-14 01:46:38,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:38,978 INFO L206 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] [2025-03-14 01:46:38,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-14 01:46:38,979 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err61ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:38,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:38,979 INFO L85 PathProgramCache]: Analyzing trace with hash -520049010, now seen corresponding path program 1 times [2025-03-14 01:46:38,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:38,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327643415] [2025-03-14 01:46:38,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:38,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:38,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-14 01:46:38,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-14 01:46:38,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:38,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:39,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:39,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327643415] [2025-03-14 01:46:39,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327643415] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:39,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:39,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 01:46:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897042184] [2025-03-14 01:46:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:39,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 01:46:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:39,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 01:46:39,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-14 01:46:39,668 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 627 [2025-03-14 01:46:39,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 543 transitions, 1258 flow. Second operand has 6 states, 6 states have (on average 537.6666666666666) internal successors, (3226), 6 states have internal predecessors, (3226), 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) [2025-03-14 01:46:39,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:39,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 627 [2025-03-14 01:46:39,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:39,933 INFO L124 PetriNetUnfolderBase]: 287/2739 cut-off events. [2025-03-14 01:46:39,934 INFO L125 PetriNetUnfolderBase]: For 375/376 co-relation queries the response was YES. [2025-03-14 01:46:39,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3786 conditions, 2739 events. 287/2739 cut-off events. For 375/376 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 17800 event pairs, 30 based on Foata normal form. 0/2536 useless extension candidates. Maximal degree in co-relation 3733. Up to 224 conditions per place. [2025-03-14 01:46:39,951 INFO L140 encePairwiseOnDemand]: 573/627 looper letters, 23 selfloop transitions, 50 changer transitions 0/538 dead transitions. [2025-03-14 01:46:39,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 538 transitions, 1398 flow [2025-03-14 01:46:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 01:46:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 01:46:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3293 transitions. [2025-03-14 01:46:39,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8753322700691122 [2025-03-14 01:46:39,957 INFO L175 Difference]: Start difference. First operand has 534 places, 543 transitions, 1258 flow. Second operand 6 states and 3293 transitions. [2025-03-14 01:46:39,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 538 transitions, 1398 flow [2025-03-14 01:46:39,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 538 transitions, 1398 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-14 01:46:39,964 INFO L231 Difference]: Finished difference. Result has 530 places, 534 transitions, 1340 flow [2025-03-14 01:46:39,964 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1240, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1340, PETRI_PLACES=530, PETRI_TRANSITIONS=534} [2025-03-14 01:46:39,965 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -53 predicate places. [2025-03-14 01:46:39,965 INFO L471 AbstractCegarLoop]: Abstraction has has 530 places, 534 transitions, 1340 flow [2025-03-14 01:46:39,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 537.6666666666666) internal successors, (3226), 6 states have internal predecessors, (3226), 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) [2025-03-14 01:46:39,966 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:39,966 INFO L206 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] [2025-03-14 01:46:39,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-14 01:46:39,966 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err60ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:39,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash -9087302, now seen corresponding path program 1 times [2025-03-14 01:46:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199341390] [2025-03-14 01:46:39,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:39,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:39,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-14 01:46:39,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-14 01:46:39,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:39,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:40,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:40,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199341390] [2025-03-14 01:46:40,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199341390] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:40,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:40,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:40,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118350380] [2025-03-14 01:46:40,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:40,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:40,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:40,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:40,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:40,134 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:40,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 534 transitions, 1340 flow. Second operand has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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) [2025-03-14 01:46:40,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:40,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:40,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:40,439 INFO L124 PetriNetUnfolderBase]: 249/3089 cut-off events. [2025-03-14 01:46:40,439 INFO L125 PetriNetUnfolderBase]: For 381/382 co-relation queries the response was YES. [2025-03-14 01:46:40,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4234 conditions, 3089 events. 249/3089 cut-off events. For 381/382 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 20733 event pairs, 116 based on Foata normal form. 0/2841 useless extension candidates. Maximal degree in co-relation 4182. Up to 420 conditions per place. [2025-03-14 01:46:40,459 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2025-03-14 01:46:40,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 534 transitions, 1427 flow [2025-03-14 01:46:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:40,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:40,462 INFO L175 Difference]: Start difference. First operand has 530 places, 534 transitions, 1340 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:40,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 534 transitions, 1427 flow [2025-03-14 01:46:40,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 534 transitions, 1327 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-14 01:46:40,470 INFO L231 Difference]: Finished difference. Result has 526 places, 533 transitions, 1242 flow [2025-03-14 01:46:40,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1238, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1242, PETRI_PLACES=526, PETRI_TRANSITIONS=533} [2025-03-14 01:46:40,471 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -57 predicate places. [2025-03-14 01:46:40,471 INFO L471 AbstractCegarLoop]: Abstraction has has 526 places, 533 transitions, 1242 flow [2025-03-14 01:46:40,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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) [2025-03-14 01:46:40,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:40,471 INFO L206 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] [2025-03-14 01:46:40,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-14 01:46:40,471 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:40,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:40,472 INFO L85 PathProgramCache]: Analyzing trace with hash -285431717, now seen corresponding path program 1 times [2025-03-14 01:46:40,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:40,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265662224] [2025-03-14 01:46:40,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:40,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-14 01:46:40,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-14 01:46:40,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:40,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:40,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:40,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265662224] [2025-03-14 01:46:40,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265662224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:40,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:40,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695331727] [2025-03-14 01:46:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:40,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:40,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:40,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:40,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:40,621 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:40,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 533 transitions, 1242 flow. Second operand has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:40,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:40,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:40,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:40,892 INFO L124 PetriNetUnfolderBase]: 245/2996 cut-off events. [2025-03-14 01:46:40,893 INFO L125 PetriNetUnfolderBase]: For 277/278 co-relation queries the response was YES. [2025-03-14 01:46:40,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3797 conditions, 2996 events. 245/2996 cut-off events. For 277/278 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 20148 event pairs, 116 based on Foata normal form. 0/2757 useless extension candidates. Maximal degree in co-relation 3745. Up to 417 conditions per place. [2025-03-14 01:46:40,905 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/533 dead transitions. [2025-03-14 01:46:40,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 533 transitions, 1329 flow [2025-03-14 01:46:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:40,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:40,908 INFO L175 Difference]: Start difference. First operand has 526 places, 533 transitions, 1242 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:40,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 533 transitions, 1329 flow [2025-03-14 01:46:40,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 533 transitions, 1325 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:40,914 INFO L231 Difference]: Finished difference. Result has 525 places, 532 transitions, 1240 flow [2025-03-14 01:46:40,915 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1236, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1240, PETRI_PLACES=525, PETRI_TRANSITIONS=532} [2025-03-14 01:46:40,915 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -58 predicate places. [2025-03-14 01:46:40,915 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 532 transitions, 1240 flow [2025-03-14 01:46:40,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:40,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:40,916 INFO L206 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] [2025-03-14 01:46:40,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-14 01:46:40,916 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:40,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2022068619, now seen corresponding path program 1 times [2025-03-14 01:46:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:40,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419855695] [2025-03-14 01:46:40,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:40,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:40,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-14 01:46:40,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-14 01:46:40,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:40,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:40,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:40,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419855695] [2025-03-14 01:46:40,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419855695] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:40,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:40,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:40,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84130035] [2025-03-14 01:46:40,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:40,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:40,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:40,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:40,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:41,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:41,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 532 transitions, 1240 flow. Second operand has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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) [2025-03-14 01:46:41,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:41,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:41,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:41,281 INFO L124 PetriNetUnfolderBase]: 244/2942 cut-off events. [2025-03-14 01:46:41,282 INFO L125 PetriNetUnfolderBase]: For 279/280 co-relation queries the response was YES. [2025-03-14 01:46:41,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3741 conditions, 2942 events. 244/2942 cut-off events. For 279/280 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 19605 event pairs, 116 based on Foata normal form. 0/2706 useless extension candidates. Maximal degree in co-relation 3689. Up to 418 conditions per place. [2025-03-14 01:46:41,302 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/532 dead transitions. [2025-03-14 01:46:41,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 532 transitions, 1327 flow [2025-03-14 01:46:41,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:41,305 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:41,305 INFO L175 Difference]: Start difference. First operand has 525 places, 532 transitions, 1240 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:41,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 532 transitions, 1327 flow [2025-03-14 01:46:41,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 532 transitions, 1323 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:41,312 INFO L231 Difference]: Finished difference. Result has 524 places, 531 transitions, 1238 flow [2025-03-14 01:46:41,312 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1234, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1238, PETRI_PLACES=524, PETRI_TRANSITIONS=531} [2025-03-14 01:46:41,312 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -59 predicate places. [2025-03-14 01:46:41,313 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 531 transitions, 1238 flow [2025-03-14 01:46:41,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 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) [2025-03-14 01:46:41,313 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:41,313 INFO L206 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] [2025-03-14 01:46:41,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-14 01:46:41,313 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:41,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:41,314 INFO L85 PathProgramCache]: Analyzing trace with hash -55736057, now seen corresponding path program 1 times [2025-03-14 01:46:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:41,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865248163] [2025-03-14 01:46:41,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:41,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-14 01:46:41,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-14 01:46:41,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:41,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:41,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:41,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865248163] [2025-03-14 01:46:41,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865248163] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:41,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:41,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:41,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924327701] [2025-03-14 01:46:41,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:41,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:41,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:41,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:41,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:41,460 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:41,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 531 transitions, 1238 flow. Second operand has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:41,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:41,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:41,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:41,703 INFO L124 PetriNetUnfolderBase]: 240/2875 cut-off events. [2025-03-14 01:46:41,703 INFO L125 PetriNetUnfolderBase]: For 278/279 co-relation queries the response was YES. [2025-03-14 01:46:41,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3667 conditions, 2875 events. 240/2875 cut-off events. For 278/279 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 18976 event pairs, 116 based on Foata normal form. 0/2645 useless extension candidates. Maximal degree in co-relation 3615. Up to 416 conditions per place. [2025-03-14 01:46:41,718 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/531 dead transitions. [2025-03-14 01:46:41,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 531 transitions, 1325 flow [2025-03-14 01:46:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:41,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:41,720 INFO L175 Difference]: Start difference. First operand has 524 places, 531 transitions, 1238 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:41,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 531 transitions, 1325 flow [2025-03-14 01:46:41,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 531 transitions, 1321 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:41,726 INFO L231 Difference]: Finished difference. Result has 523 places, 530 transitions, 1236 flow [2025-03-14 01:46:41,727 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=521, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1236, PETRI_PLACES=523, PETRI_TRANSITIONS=530} [2025-03-14 01:46:41,727 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -60 predicate places. [2025-03-14 01:46:41,727 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 530 transitions, 1236 flow [2025-03-14 01:46:41,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:41,728 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:41,728 INFO L206 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] [2025-03-14 01:46:41,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-14 01:46:41,728 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash 924785354, now seen corresponding path program 1 times [2025-03-14 01:46:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:41,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179878442] [2025-03-14 01:46:41,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:41,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-14 01:46:41,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-14 01:46:41,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:41,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:41,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:41,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179878442] [2025-03-14 01:46:41,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179878442] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:41,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:41,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:41,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401866385] [2025-03-14 01:46:41,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:41,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:41,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:41,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:41,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:41,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:41,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 530 transitions, 1236 flow. Second operand has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:41,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:41,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:41,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:42,108 INFO L124 PetriNetUnfolderBase]: 239/2866 cut-off events. [2025-03-14 01:46:42,109 INFO L125 PetriNetUnfolderBase]: For 277/278 co-relation queries the response was YES. [2025-03-14 01:46:42,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3656 conditions, 2866 events. 239/2866 cut-off events. For 277/278 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 18833 event pairs, 116 based on Foata normal form. 0/2641 useless extension candidates. Maximal degree in co-relation 3604. Up to 415 conditions per place. [2025-03-14 01:46:42,125 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 40 selfloop transitions, 2 changer transitions 1/530 dead transitions. [2025-03-14 01:46:42,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 530 transitions, 1323 flow [2025-03-14 01:46:42,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:42,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:42,128 INFO L175 Difference]: Start difference. First operand has 523 places, 530 transitions, 1236 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:42,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 530 transitions, 1323 flow [2025-03-14 01:46:42,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 530 transitions, 1319 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:42,134 INFO L231 Difference]: Finished difference. Result has 522 places, 529 transitions, 1234 flow [2025-03-14 01:46:42,135 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1230, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1234, PETRI_PLACES=522, PETRI_TRANSITIONS=529} [2025-03-14 01:46:42,135 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -61 predicate places. [2025-03-14 01:46:42,135 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 529 transitions, 1234 flow [2025-03-14 01:46:42,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 567.3333333333334) internal successors, (1702), 3 states have internal predecessors, (1702), 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) [2025-03-14 01:46:42,136 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:42,136 INFO L206 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] [2025-03-14 01:46:42,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-14 01:46:42,136 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err53ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:42,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:42,137 INFO L85 PathProgramCache]: Analyzing trace with hash 26740519, now seen corresponding path program 1 times [2025-03-14 01:46:42,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:42,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690350120] [2025-03-14 01:46:42,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:42,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-14 01:46:42,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-14 01:46:42,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:42,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:42,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:42,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690350120] [2025-03-14 01:46:42,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690350120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:42,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:42,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922437874] [2025-03-14 01:46:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:42,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:42,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:42,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:42,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:42,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 529 transitions, 1234 flow. Second operand has 3 states, 3 states have (on average 568.6666666666666) internal successors, (1706), 3 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:46:42,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:42,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:42,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:42,533 INFO L124 PetriNetUnfolderBase]: 248/3035 cut-off events. [2025-03-14 01:46:42,533 INFO L125 PetriNetUnfolderBase]: For 279/280 co-relation queries the response was YES. [2025-03-14 01:46:42,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3845 conditions, 3035 events. 248/3035 cut-off events. For 279/280 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 20185 event pairs, 116 based on Foata normal form. 0/2809 useless extension candidates. Maximal degree in co-relation 3793. Up to 420 conditions per place. [2025-03-14 01:46:42,557 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2025-03-14 01:46:42,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 529 transitions, 1321 flow [2025-03-14 01:46:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:42,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:42,560 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:42,560 INFO L175 Difference]: Start difference. First operand has 522 places, 529 transitions, 1234 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:42,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 529 transitions, 1321 flow [2025-03-14 01:46:42,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 529 transitions, 1317 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:42,566 INFO L231 Difference]: Finished difference. Result has 521 places, 528 transitions, 1232 flow [2025-03-14 01:46:42,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1228, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1232, PETRI_PLACES=521, PETRI_TRANSITIONS=528} [2025-03-14 01:46:42,567 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -62 predicate places. [2025-03-14 01:46:42,567 INFO L471 AbstractCegarLoop]: Abstraction has has 521 places, 528 transitions, 1232 flow [2025-03-14 01:46:42,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 568.6666666666666) internal successors, (1706), 3 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:46:42,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:42,568 INFO L206 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] [2025-03-14 01:46:42,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-14 01:46:42,568 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err46ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:42,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:42,569 INFO L85 PathProgramCache]: Analyzing trace with hash -126364773, now seen corresponding path program 1 times [2025-03-14 01:46:42,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:42,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548462503] [2025-03-14 01:46:42,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:42,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:42,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-14 01:46:42,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-14 01:46:42,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:42,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:42,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:42,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548462503] [2025-03-14 01:46:42,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548462503] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:42,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:42,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:42,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080009707] [2025-03-14 01:46:42,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:42,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:42,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:42,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:42,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:42,740 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:42,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 528 transitions, 1232 flow. Second operand has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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) [2025-03-14 01:46:42,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:42,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:42,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:43,001 INFO L124 PetriNetUnfolderBase]: 247/2996 cut-off events. [2025-03-14 01:46:43,001 INFO L125 PetriNetUnfolderBase]: For 279/280 co-relation queries the response was YES. [2025-03-14 01:46:43,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3807 conditions, 2996 events. 247/2996 cut-off events. For 279/280 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 19748 event pairs, 116 based on Foata normal form. 0/2776 useless extension candidates. Maximal degree in co-relation 3755. Up to 420 conditions per place. [2025-03-14 01:46:43,011 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2025-03-14 01:46:43,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 528 transitions, 1319 flow [2025-03-14 01:46:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:43,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:43,013 INFO L175 Difference]: Start difference. First operand has 521 places, 528 transitions, 1232 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:43,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 528 transitions, 1319 flow [2025-03-14 01:46:43,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 528 transitions, 1315 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:43,019 INFO L231 Difference]: Finished difference. Result has 520 places, 527 transitions, 1230 flow [2025-03-14 01:46:43,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1226, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1230, PETRI_PLACES=520, PETRI_TRANSITIONS=527} [2025-03-14 01:46:43,020 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -63 predicate places. [2025-03-14 01:46:43,020 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 527 transitions, 1230 flow [2025-03-14 01:46:43,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 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) [2025-03-14 01:46:43,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:43,021 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:43,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-14 01:46:43,021 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err39ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:43,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:43,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2005043567, now seen corresponding path program 1 times [2025-03-14 01:46:43,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:43,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69973448] [2025-03-14 01:46:43,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:43,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-03-14 01:46:43,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-03-14 01:46:43,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:43,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:43,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:43,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69973448] [2025-03-14 01:46:43,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69973448] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:43,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:43,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:43,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850007493] [2025-03-14 01:46:43,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:43,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:43,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:43,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:43,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:43,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:43,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 527 transitions, 1230 flow. Second operand has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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) [2025-03-14 01:46:43,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:43,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:43,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:43,393 INFO L124 PetriNetUnfolderBase]: 246/2957 cut-off events. [2025-03-14 01:46:43,394 INFO L125 PetriNetUnfolderBase]: For 279/280 co-relation queries the response was YES. [2025-03-14 01:46:43,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3768 conditions, 2957 events. 246/2957 cut-off events. For 279/280 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 19450 event pairs, 116 based on Foata normal form. 0/2743 useless extension candidates. Maximal degree in co-relation 3716. Up to 420 conditions per place. [2025-03-14 01:46:43,410 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 41 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2025-03-14 01:46:43,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 527 transitions, 1317 flow [2025-03-14 01:46:43,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:43,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:43,412 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:43,412 INFO L175 Difference]: Start difference. First operand has 520 places, 527 transitions, 1230 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:43,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 527 transitions, 1317 flow [2025-03-14 01:46:43,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 527 transitions, 1313 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:43,418 INFO L231 Difference]: Finished difference. Result has 519 places, 526 transitions, 1228 flow [2025-03-14 01:46:43,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1224, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1228, PETRI_PLACES=519, PETRI_TRANSITIONS=526} [2025-03-14 01:46:43,419 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -64 predicate places. [2025-03-14 01:46:43,419 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 526 transitions, 1228 flow [2025-03-14 01:46:43,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 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) [2025-03-14 01:46:43,419 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:46:43,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:46:43,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-14 01:46:43,420 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err32ASSERT_VIOLATIONDATA_RACE === [thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2025-03-14 01:46:43,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:46:43,421 INFO L85 PathProgramCache]: Analyzing trace with hash 247824547, now seen corresponding path program 1 times [2025-03-14 01:46:43,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:46:43,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815127866] [2025-03-14 01:46:43,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:46:43,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:46:43,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 237 statements into 1 equivalence classes. [2025-03-14 01:46:43,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 237 of 237 statements. [2025-03-14 01:46:43,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:46:43,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:46:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:46:43,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:46:43,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815127866] [2025-03-14 01:46:43,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815127866] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:46:43,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:46:43,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:46:43,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070077992] [2025-03-14 01:46:43,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:46:43,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:46:43,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:46:43,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:46:43,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:46:43,565 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 565 out of 627 [2025-03-14 01:46:43,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 526 transitions, 1228 flow. Second operand has 3 states, 3 states have (on average 571.6666666666666) internal successors, (1715), 3 states have internal predecessors, (1715), 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) [2025-03-14 01:46:43,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:46:43,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 565 of 627 [2025-03-14 01:46:43,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:46:43,797 INFO L124 PetriNetUnfolderBase]: 245/2918 cut-off events. [2025-03-14 01:46:43,797 INFO L125 PetriNetUnfolderBase]: For 279/280 co-relation queries the response was YES. [2025-03-14 01:46:43,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3729 conditions, 2918 events. 245/2918 cut-off events. For 279/280 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 19158 event pairs, 116 based on Foata normal form. 0/2710 useless extension candidates. Maximal degree in co-relation 3677. Up to 420 conditions per place. [2025-03-14 01:46:43,808 INFO L140 encePairwiseOnDemand]: 624/627 looper letters, 0 selfloop transitions, 0 changer transitions 526/526 dead transitions. [2025-03-14 01:46:43,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 526 transitions, 1315 flow [2025-03-14 01:46:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:46:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:46:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1739 transitions. [2025-03-14 01:46:43,810 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924508240297714 [2025-03-14 01:46:43,811 INFO L175 Difference]: Start difference. First operand has 519 places, 526 transitions, 1228 flow. Second operand 3 states and 1739 transitions. [2025-03-14 01:46:43,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 526 transitions, 1315 flow [2025-03-14 01:46:43,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 526 transitions, 1311 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:46:43,815 INFO L231 Difference]: Finished difference. Result has 518 places, 0 transitions, 0 flow [2025-03-14 01:46:43,816 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=1222, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=518, PETRI_TRANSITIONS=0} [2025-03-14 01:46:43,816 INFO L279 CegarLoopForPetriNet]: 583 programPoint places, -65 predicate places. [2025-03-14 01:46:43,816 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 0 transitions, 0 flow [2025-03-14 01:46:43,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 571.6666666666666) internal successors, (1715), 3 states have internal predecessors, (1715), 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) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2025-03-14 01:46:43,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2025-03-14 01:46:43,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2025-03-14 01:46:43,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2025-03-14 01:46:43,822 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2025-03-14 01:46:43,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2025-03-14 01:46:43,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2025-03-14 01:46:43,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2025-03-14 01:46:43,823 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (68 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err67ASSERT_VIOLATIONDATA_RACE (67 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (66 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err66ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2025-03-14 01:46:43,824 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err65ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err64ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err63ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2025-03-14 01:46:43,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err62ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2025-03-14 01:46:43,826 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err61ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err60ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err59ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err58ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err57ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err56ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err55ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err54ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2025-03-14 01:46:43,827 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err53ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err52ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err51ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err50ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err49ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err48ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err47ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err46ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err45ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err44ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err43ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err42ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err41ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err40ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err39ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err38ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2025-03-14 01:46:43,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2025-03-14 01:46:43,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-14 01:46:43,828 INFO L422 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, 1, 1, 1] [2025-03-14 01:46:43,833 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:46:43,833 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:46:43,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:46:43 BasicIcfg [2025-03-14 01:46:43,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:46:43,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:46:43,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:46:43,840 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:46:43,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:46:32" (3/4) ... [2025-03-14 01:46:43,842 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:46:43,844 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:46:43,844 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:46:43,848 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-03-14 01:46:43,848 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:46:43,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:46:43,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:46:43,902 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:46:43,902 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:46:43,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:46:43,903 INFO L158 Benchmark]: Toolchain (without parser) took 12911.53ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 104.3MB in the beginning and 385.0MB in the end (delta: -280.7MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB. [2025-03-14 01:46:43,903 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:46:43,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.31ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 90.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-14 01:46:43,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.37ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:46:43,903 INFO L158 Benchmark]: Boogie Preprocessor took 36.90ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 85.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:46:43,904 INFO L158 Benchmark]: IcfgBuilder took 835.69ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 42.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-14 01:46:43,904 INFO L158 Benchmark]: TraceAbstraction took 11732.33ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 40.9MB in the beginning and 393.4MB in the end (delta: -352.5MB). Peak memory consumption was 304.3MB. Max. memory is 16.1GB. [2025-03-14 01:46:43,905 INFO L158 Benchmark]: Witness Printer took 62.45ms. Allocated memory is still 587.2MB. Free memory was 393.4MB in the beginning and 385.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:46:43,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.31ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 90.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.37ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.90ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 85.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 835.69ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 42.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11732.33ms. Allocated memory was 142.6MB in the beginning and 587.2MB in the end (delta: 444.6MB). Free memory was 40.9MB in the beginning and 393.4MB in the end (delta: -352.5MB). Peak memory consumption was 304.3MB. Max. memory is 16.1GB. * Witness Printer took 62.45ms. Allocated memory is still 587.2MB. Free memory was 393.4MB in the beginning and 385.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1061 locations, 162 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: 11.6s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4417 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1612 mSDsluCounter, 1005 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4249 IncrementalHoareTripleChecker+Invalid, 4740 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 491 mSolverCounterUnsat, 806 mSDtfsCounter, 4249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1340occurred in iteration=15, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2586 NumberOfCodeBlocks, 2586 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2562 ConstructedInterpolants, 0 QuantifiedInterpolants, 3425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 84 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:46:43,923 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