./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:46:31,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:46:31,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:46:32,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:46:32,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:46:32,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:46:32,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:46:32,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:46:32,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:46:32,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:46:32,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:46:32,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:46:32,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:46:32,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:46:32,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:46:32,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:46:32,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:46:32,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:46:32,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:46:32,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:46:32,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:46:32,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:46:32,039 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:46:32,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:46:32,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:46:32,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:46:32,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:46:32,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:46:32,041 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:46:32,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:46:32,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:46:32,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:32,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:46:32,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:46:32,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:46:32,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:46:32,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:46:32,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:46:32,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:46:32,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:46:32,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:46:32,045 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2024-11-16 23:46:32,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:46:32,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:46:32,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:46:32,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:46:32,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:46:32,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-16 23:46:33,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:46:34,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:46:34,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-16 23:46:34,036 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db48e166/6426d950fbb545f18cf4d91699a10030/FLAG3c6b91cc8 [2024-11-16 23:46:34,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db48e166/6426d950fbb545f18cf4d91699a10030 [2024-11-16 23:46:34,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:46:34,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:46:34,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:34,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:46:34,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:46:34,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5280bbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34, skipping insertion in model container [2024-11-16 23:46:34,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:46:34,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:34,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:46:34,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:34,315 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:46:34,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34 WrapperNode [2024-11-16 23:46:34,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:34,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:34,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:46:34,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:46:34,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,352 INFO L138 Inliner]: procedures = 24, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-16 23:46:34,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:34,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:46:34,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:46:34,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:46:34,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:46:34,391 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:46:34,391 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:46:34,392 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:46:34,392 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (1/1) ... [2024-11-16 23:46:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:46:34,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:46:34,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:46:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:46:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:46:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:46:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:46:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:46:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:46:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:46:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:46:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:46:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:46:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:46:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:46:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:46:34,495 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:46:34,627 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:46:34,629 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:46:35,035 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:46:35,035 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:46:35,054 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:46:35,055 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:46:35,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:35 BoogieIcfgContainer [2024-11-16 23:46:35,055 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:46:35,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:46:35,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:46:35,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:46:35,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:34" (1/3) ... [2024-11-16 23:46:35,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4d302f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:35, skipping insertion in model container [2024-11-16 23:46:35,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:34" (2/3) ... [2024-11-16 23:46:35,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4d302f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:35, skipping insertion in model container [2024-11-16 23:46:35,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:35" (3/3) ... [2024-11-16 23:46:35,069 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-16 23:46:35,087 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:46:35,088 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-16 23:46:35,088 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:46:35,248 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:46:35,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 269 transitions, 559 flow [2024-11-16 23:46:35,413 INFO L124 PetriNetUnfolderBase]: 13/266 cut-off events. [2024-11-16 23:46:35,416 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:46:35,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 266 events. 13/266 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 450 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2024-11-16 23:46:35,427 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 269 transitions, 559 flow [2024-11-16 23:46:35,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 249 transitions, 516 flow [2024-11-16 23:46:35,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:46:35,457 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;@7fb2cce1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:46:35,457 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-16 23:46:35,462 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:46:35,462 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-16 23:46:35,463 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:46:35,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:35,464 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:35,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:35,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash -496210840, now seen corresponding path program 1 times [2024-11-16 23:46:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:35,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733244059] [2024-11-16 23:46:35,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:35,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:35,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733244059] [2024-11-16 23:46:35,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733244059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:35,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:35,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330247964] [2024-11-16 23:46:35,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:35,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:35,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:35,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:35,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 269 [2024-11-16 23:46:35,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 249 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:35,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:35,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 269 [2024-11-16 23:46:35,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:35,873 INFO L124 PetriNetUnfolderBase]: 19/450 cut-off events. [2024-11-16 23:46:35,874 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-16 23:46:35,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 450 events. 19/450 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1629 event pairs, 7 based on Foata normal form. 16/390 useless extension candidates. Maximal degree in co-relation 311. Up to 31 conditions per place. [2024-11-16 23:46:35,884 INFO L140 encePairwiseOnDemand]: 259/269 looper letters, 13 selfloop transitions, 2 changer transitions 3/241 dead transitions. [2024-11-16 23:46:35,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 241 transitions, 530 flow [2024-11-16 23:46:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-16 23:46:35,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9318463444857497 [2024-11-16 23:46:35,908 INFO L175 Difference]: Start difference. First operand has 247 places, 249 transitions, 516 flow. Second operand 3 states and 752 transitions. [2024-11-16 23:46:35,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 241 transitions, 530 flow [2024-11-16 23:46:35,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 241 transitions, 518 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:46:35,919 INFO L231 Difference]: Finished difference. Result has 242 places, 238 transitions, 486 flow [2024-11-16 23:46:35,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=242, PETRI_TRANSITIONS=238} [2024-11-16 23:46:35,925 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -5 predicate places. [2024-11-16 23:46:35,925 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 238 transitions, 486 flow [2024-11-16 23:46:35,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:35,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:35,927 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:35,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:46:35,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:35,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:35,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2025979779, now seen corresponding path program 1 times [2024-11-16 23:46:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:35,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708725167] [2024-11-16 23:46:35,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:35,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:36,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:36,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708725167] [2024-11-16 23:46:36,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708725167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:36,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:36,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:36,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922174201] [2024-11-16 23:46:36,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:36,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:36,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:36,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 269 [2024-11-16 23:46:36,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 238 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:36,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:36,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 269 [2024-11-16 23:46:36,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:36,145 INFO L124 PetriNetUnfolderBase]: 13/340 cut-off events. [2024-11-16 23:46:36,145 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:46:36,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 340 events. 13/340 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1047 event pairs, 5 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 347. Up to 27 conditions per place. [2024-11-16 23:46:36,150 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 13 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2024-11-16 23:46:36,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 237 transitions, 514 flow [2024-11-16 23:46:36,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2024-11-16 23:46:36,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231722428748451 [2024-11-16 23:46:36,154 INFO L175 Difference]: Start difference. First operand has 242 places, 238 transitions, 486 flow. Second operand 3 states and 745 transitions. [2024-11-16 23:46:36,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 237 transitions, 514 flow [2024-11-16 23:46:36,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 237 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:36,164 INFO L231 Difference]: Finished difference. Result has 238 places, 237 transitions, 484 flow [2024-11-16 23:46:36,165 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=238, PETRI_TRANSITIONS=237} [2024-11-16 23:46:36,166 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -9 predicate places. [2024-11-16 23:46:36,166 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 237 transitions, 484 flow [2024-11-16 23:46:36,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:36,167 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:36,167 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:36,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:46:36,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:36,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:36,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1073980795, now seen corresponding path program 1 times [2024-11-16 23:46:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:36,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563813113] [2024-11-16 23:46:36,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:36,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:36,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:36,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563813113] [2024-11-16 23:46:36,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563813113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:36,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:36,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:36,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669229228] [2024-11-16 23:46:36,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:36,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:36,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:36,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 269 [2024-11-16 23:46:36,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 237 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:36,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:36,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 269 [2024-11-16 23:46:36,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:36,363 INFO L124 PetriNetUnfolderBase]: 25/433 cut-off events. [2024-11-16 23:46:36,364 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-16 23:46:36,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 433 events. 25/433 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1685 event pairs, 12 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 453. Up to 46 conditions per place. [2024-11-16 23:46:36,371 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 14 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2024-11-16 23:46:36,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 233 transitions, 506 flow [2024-11-16 23:46:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-16 23:46:36,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.919454770755886 [2024-11-16 23:46:36,374 INFO L175 Difference]: Start difference. First operand has 238 places, 237 transitions, 484 flow. Second operand 3 states and 742 transitions. [2024-11-16 23:46:36,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 233 transitions, 506 flow [2024-11-16 23:46:36,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 233 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:36,379 INFO L231 Difference]: Finished difference. Result has 234 places, 233 transitions, 474 flow [2024-11-16 23:46:36,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=234, PETRI_TRANSITIONS=233} [2024-11-16 23:46:36,381 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -13 predicate places. [2024-11-16 23:46:36,381 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 233 transitions, 474 flow [2024-11-16 23:46:36,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:36,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:36,383 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:36,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:46:36,383 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:36,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash -365584975, now seen corresponding path program 1 times [2024-11-16 23:46:36,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:36,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108867948] [2024-11-16 23:46:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:36,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:37,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:37,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108867948] [2024-11-16 23:46:37,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108867948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:37,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:37,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:37,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376866977] [2024-11-16 23:46:37,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:37,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:46:37,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:46:37,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:46:37,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 269 [2024-11-16 23:46:37,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 233 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:37,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:37,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 269 [2024-11-16 23:46:37,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:37,664 INFO L124 PetriNetUnfolderBase]: 394/2187 cut-off events. [2024-11-16 23:46:37,664 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-16 23:46:37,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2805 conditions, 2187 events. 394/2187 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 17671 event pairs, 264 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2767. Up to 579 conditions per place. [2024-11-16 23:46:37,741 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 26 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2024-11-16 23:46:37,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 232 transitions, 534 flow [2024-11-16 23:46:37,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:46:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:46:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1400 transitions. [2024-11-16 23:46:37,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8674101610904585 [2024-11-16 23:46:37,746 INFO L175 Difference]: Start difference. First operand has 234 places, 233 transitions, 474 flow. Second operand 6 states and 1400 transitions. [2024-11-16 23:46:37,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 232 transitions, 534 flow [2024-11-16 23:46:37,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:37,751 INFO L231 Difference]: Finished difference. Result has 237 places, 232 transitions, 481 flow [2024-11-16 23:46:37,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2024-11-16 23:46:37,753 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -10 predicate places. [2024-11-16 23:46:37,753 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 481 flow [2024-11-16 23:46:37,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:37,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:37,754 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:37,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:46:37,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:37,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:37,756 INFO L85 PathProgramCache]: Analyzing trace with hash 691967062, now seen corresponding path program 1 times [2024-11-16 23:46:37,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:37,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571476032] [2024-11-16 23:46:37,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:37,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:37,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:37,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571476032] [2024-11-16 23:46:37,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571476032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:37,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:37,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:37,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813260592] [2024-11-16 23:46:37,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:37,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:37,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:37,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:37,817 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2024-11-16 23:46:37,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:37,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:37,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2024-11-16 23:46:37,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:37,873 INFO L124 PetriNetUnfolderBase]: 24/403 cut-off events. [2024-11-16 23:46:37,873 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:46:37,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 403 events. 24/403 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1536 event pairs, 15 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 442. Up to 40 conditions per place. [2024-11-16 23:46:37,876 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 12 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2024-11-16 23:46:37,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 231 transitions, 507 flow [2024-11-16 23:46:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 747 transitions. [2024-11-16 23:46:37,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9256505576208178 [2024-11-16 23:46:37,879 INFO L175 Difference]: Start difference. First operand has 237 places, 232 transitions, 481 flow. Second operand 3 states and 747 transitions. [2024-11-16 23:46:37,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 231 transitions, 507 flow [2024-11-16 23:46:37,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 231 transitions, 497 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:46:37,883 INFO L231 Difference]: Finished difference. Result has 233 places, 231 transitions, 473 flow [2024-11-16 23:46:37,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=233, PETRI_TRANSITIONS=231} [2024-11-16 23:46:37,884 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -14 predicate places. [2024-11-16 23:46:37,885 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 231 transitions, 473 flow [2024-11-16 23:46:37,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:37,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:37,886 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:37,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:46:37,886 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:37,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2060973181, now seen corresponding path program 1 times [2024-11-16 23:46:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:37,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35707112] [2024-11-16 23:46:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:37,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35707112] [2024-11-16 23:46:37,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35707112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:37,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:37,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:37,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607492112] [2024-11-16 23:46:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:37,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:37,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:37,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:37,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 269 [2024-11-16 23:46:37,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 231 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:37,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:37,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 269 [2024-11-16 23:46:37,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,009 INFO L124 PetriNetUnfolderBase]: 37/539 cut-off events. [2024-11-16 23:46:38,009 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-16 23:46:38,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 539 events. 37/539 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2438 event pairs, 20 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 568. Up to 56 conditions per place. [2024-11-16 23:46:38,014 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 14 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2024-11-16 23:46:38,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 227 transitions, 495 flow [2024-11-16 23:46:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-16 23:46:38,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.919454770755886 [2024-11-16 23:46:38,017 INFO L175 Difference]: Start difference. First operand has 233 places, 231 transitions, 473 flow. Second operand 3 states and 742 transitions. [2024-11-16 23:46:38,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 227 transitions, 495 flow [2024-11-16 23:46:38,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 227 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:38,021 INFO L231 Difference]: Finished difference. Result has 229 places, 227 transitions, 463 flow [2024-11-16 23:46:38,021 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=229, PETRI_TRANSITIONS=227} [2024-11-16 23:46:38,022 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -18 predicate places. [2024-11-16 23:46:38,022 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 227 transitions, 463 flow [2024-11-16 23:46:38,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:46:38,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:38,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1756376668, now seen corresponding path program 1 times [2024-11-16 23:46:38,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131706065] [2024-11-16 23:46:38,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131706065] [2024-11-16 23:46:38,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131706065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869994720] [2024-11-16 23:46:38,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:38,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 227 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:38,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,119 INFO L124 PetriNetUnfolderBase]: 13/334 cut-off events. [2024-11-16 23:46:38,119 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:46:38,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 334 events. 13/334 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 933 event pairs, 2 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 333. Up to 12 conditions per place. [2024-11-16 23:46:38,121 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 10 selfloop transitions, 3 changer transitions 0/227 dead transitions. [2024-11-16 23:46:38,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 227 transitions, 491 flow [2024-11-16 23:46:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 756 transitions. [2024-11-16 23:46:38,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368029739776952 [2024-11-16 23:46:38,124 INFO L175 Difference]: Start difference. First operand has 229 places, 227 transitions, 463 flow. Second operand 3 states and 756 transitions. [2024-11-16 23:46:38,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 227 transitions, 491 flow [2024-11-16 23:46:38,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 227 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:38,128 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 464 flow [2024-11-16 23:46:38,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-11-16 23:46:38,129 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -19 predicate places. [2024-11-16 23:46:38,129 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 464 flow [2024-11-16 23:46:38,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,131 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:46:38,131 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:38,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash 44185957, now seen corresponding path program 1 times [2024-11-16 23:46:38,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6347042] [2024-11-16 23:46:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:38,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6347042] [2024-11-16 23:46:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6347042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921585189] [2024-11-16 23:46:38,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,182 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2024-11-16 23:46:38,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2024-11-16 23:46:38,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,333 INFO L124 PetriNetUnfolderBase]: 114/1111 cut-off events. [2024-11-16 23:46:38,334 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-16 23:46:38,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1310 conditions, 1111 events. 114/1111 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7468 event pairs, 22 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 1272. Up to 161 conditions per place. [2024-11-16 23:46:38,344 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 18 selfloop transitions, 3 changer transitions 0/230 dead transitions. [2024-11-16 23:46:38,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 230 transitions, 521 flow [2024-11-16 23:46:38,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 756 transitions. [2024-11-16 23:46:38,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368029739776952 [2024-11-16 23:46:38,346 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 464 flow. Second operand 3 states and 756 transitions. [2024-11-16 23:46:38,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 230 transitions, 521 flow [2024-11-16 23:46:38,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 230 transitions, 515 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:38,351 INFO L231 Difference]: Finished difference. Result has 226 places, 225 transitions, 473 flow [2024-11-16 23:46:38,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=226, PETRI_TRANSITIONS=225} [2024-11-16 23:46:38,352 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -21 predicate places. [2024-11-16 23:46:38,353 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 225 transitions, 473 flow [2024-11-16 23:46:38,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,353 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:46:38,354 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:38,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1988706884, now seen corresponding path program 1 times [2024-11-16 23:46:38,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307943906] [2024-11-16 23:46:38,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:38,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307943906] [2024-11-16 23:46:38,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307943906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:38,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496728617] [2024-11-16 23:46:38,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:38,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:38,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:38,405 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:38,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 225 transitions, 473 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:38,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,481 INFO L124 PetriNetUnfolderBase]: 54/549 cut-off events. [2024-11-16 23:46:38,481 INFO L125 PetriNetUnfolderBase]: For 13/23 co-relation queries the response was YES. [2024-11-16 23:46:38,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 549 events. 54/549 cut-off events. For 13/23 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2454 event pairs, 5 based on Foata normal form. 1/496 useless extension candidates. Maximal degree in co-relation 629. Up to 40 conditions per place. [2024-11-16 23:46:38,486 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 10 selfloop transitions, 3 changer transitions 0/225 dead transitions. [2024-11-16 23:46:38,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 225 transitions, 501 flow [2024-11-16 23:46:38,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 756 transitions. [2024-11-16 23:46:38,488 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9368029739776952 [2024-11-16 23:46:38,488 INFO L175 Difference]: Start difference. First operand has 226 places, 225 transitions, 473 flow. Second operand 3 states and 756 transitions. [2024-11-16 23:46:38,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 225 transitions, 501 flow [2024-11-16 23:46:38,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 225 transitions, 501 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:46:38,492 INFO L231 Difference]: Finished difference. Result has 226 places, 223 transitions, 475 flow [2024-11-16 23:46:38,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=226, PETRI_TRANSITIONS=223} [2024-11-16 23:46:38,493 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -21 predicate places. [2024-11-16 23:46:38,494 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 223 transitions, 475 flow [2024-11-16 23:46:38,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,495 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:46:38,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:38,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1176022776, now seen corresponding path program 1 times [2024-11-16 23:46:38,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111600279] [2024-11-16 23:46:38,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:38,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:38,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111600279] [2024-11-16 23:46:38,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111600279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:38,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:38,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 23:46:38,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346565173] [2024-11-16 23:46:38,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:38,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 23:46:38,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:38,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 23:46:38,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 23:46:38,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2024-11-16 23:46:38,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 223 transitions, 475 flow. Second operand has 7 states, 7 states have (on average 240.85714285714286) internal successors, (1686), 7 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:38,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2024-11-16 23:46:38,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:38,963 INFO L124 PetriNetUnfolderBase]: 56/743 cut-off events. [2024-11-16 23:46:38,963 INFO L125 PetriNetUnfolderBase]: For 10/33 co-relation queries the response was YES. [2024-11-16 23:46:38,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 743 events. 56/743 cut-off events. For 10/33 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3649 event pairs, 18 based on Foata normal form. 5/692 useless extension candidates. Maximal degree in co-relation 890. Up to 66 conditions per place. [2024-11-16 23:46:38,971 INFO L140 encePairwiseOnDemand]: 256/269 looper letters, 22 selfloop transitions, 14 changer transitions 0/238 dead transitions. [2024-11-16 23:46:38,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 238 transitions, 585 flow [2024-11-16 23:46:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 23:46:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-16 23:46:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2427 transitions. [2024-11-16 23:46:38,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9022304832713754 [2024-11-16 23:46:38,978 INFO L175 Difference]: Start difference. First operand has 226 places, 223 transitions, 475 flow. Second operand 10 states and 2427 transitions. [2024-11-16 23:46:38,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 238 transitions, 585 flow [2024-11-16 23:46:38,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 238 transitions, 579 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:38,985 INFO L231 Difference]: Finished difference. Result has 237 places, 230 transitions, 535 flow [2024-11-16 23:46:38,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=535, PETRI_PLACES=237, PETRI_TRANSITIONS=230} [2024-11-16 23:46:38,987 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -10 predicate places. [2024-11-16 23:46:38,987 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 230 transitions, 535 flow [2024-11-16 23:46:38,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 240.85714285714286) internal successors, (1686), 7 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:38,988 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:38,988 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:38,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:46:38,989 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:38,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:38,990 INFO L85 PathProgramCache]: Analyzing trace with hash 826037792, now seen corresponding path program 1 times [2024-11-16 23:46:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:38,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402576933] [2024-11-16 23:46:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:39,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:39,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402576933] [2024-11-16 23:46:39,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402576933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:39,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:39,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:39,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810066381] [2024-11-16 23:46:39,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:39,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:46:39,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:39,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:46:39,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:46:39,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 269 [2024-11-16 23:46:39,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 230 transitions, 535 flow. Second operand has 5 states, 5 states have (on average 243.0) internal successors, (1215), 5 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:39,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:39,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 269 [2024-11-16 23:46:39,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:39,368 INFO L124 PetriNetUnfolderBase]: 100/1223 cut-off events. [2024-11-16 23:46:39,369 INFO L125 PetriNetUnfolderBase]: For 63/104 co-relation queries the response was YES. [2024-11-16 23:46:39,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1549 conditions, 1223 events. 100/1223 cut-off events. For 63/104 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8041 event pairs, 35 based on Foata normal form. 10/1135 useless extension candidates. Maximal degree in co-relation 1500. Up to 111 conditions per place. [2024-11-16 23:46:39,381 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 24 selfloop transitions, 5 changer transitions 0/241 dead transitions. [2024-11-16 23:46:39,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 241 transitions, 623 flow [2024-11-16 23:46:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:46:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:46:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1235 transitions. [2024-11-16 23:46:39,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182156133828996 [2024-11-16 23:46:39,385 INFO L175 Difference]: Start difference. First operand has 237 places, 230 transitions, 535 flow. Second operand 5 states and 1235 transitions. [2024-11-16 23:46:39,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 241 transitions, 623 flow [2024-11-16 23:46:39,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 241 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:39,391 INFO L231 Difference]: Finished difference. Result has 242 places, 232 transitions, 556 flow [2024-11-16 23:46:39,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=556, PETRI_PLACES=242, PETRI_TRANSITIONS=232} [2024-11-16 23:46:39,392 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -5 predicate places. [2024-11-16 23:46:39,392 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 232 transitions, 556 flow [2024-11-16 23:46:39,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 243.0) internal successors, (1215), 5 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:39,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:39,393 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:39,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:46:39,394 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:39,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:39,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1547201741, now seen corresponding path program 1 times [2024-11-16 23:46:39,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:39,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127907444] [2024-11-16 23:46:39,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:39,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:39,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:39,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127907444] [2024-11-16 23:46:39,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127907444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:39,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:39,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:39,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639296265] [2024-11-16 23:46:39,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:39,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:39,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:39,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:39,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:39,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:39,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 232 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:39,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:39,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:39,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:39,609 INFO L124 PetriNetUnfolderBase]: 128/1095 cut-off events. [2024-11-16 23:46:39,609 INFO L125 PetriNetUnfolderBase]: For 87/100 co-relation queries the response was YES. [2024-11-16 23:46:39,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 1095 events. 128/1095 cut-off events. For 87/100 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 6954 event pairs, 11 based on Foata normal form. 8/1037 useless extension candidates. Maximal degree in co-relation 1421. Up to 129 conditions per place. [2024-11-16 23:46:39,617 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 8 selfloop transitions, 2 changer transitions 6/232 dead transitions. [2024-11-16 23:46:39,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 232 transitions, 582 flow [2024-11-16 23:46:39,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2024-11-16 23:46:39,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9355638166047088 [2024-11-16 23:46:39,620 INFO L175 Difference]: Start difference. First operand has 242 places, 232 transitions, 556 flow. Second operand 3 states and 755 transitions. [2024-11-16 23:46:39,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 232 transitions, 582 flow [2024-11-16 23:46:39,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 232 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:39,625 INFO L231 Difference]: Finished difference. Result has 240 places, 224 transitions, 538 flow [2024-11-16 23:46:39,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=240, PETRI_TRANSITIONS=224} [2024-11-16 23:46:39,627 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -7 predicate places. [2024-11-16 23:46:39,628 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 224 transitions, 538 flow [2024-11-16 23:46:39,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:39,628 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:39,629 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:39,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:46:39,629 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1181634691, now seen corresponding path program 1 times [2024-11-16 23:46:39,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:39,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961898052] [2024-11-16 23:46:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:39,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:39,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:39,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961898052] [2024-11-16 23:46:39,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961898052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:39,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:39,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:39,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64323790] [2024-11-16 23:46:39,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:39,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:46:39,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:39,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:46:39,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:46:40,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2024-11-16 23:46:40,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 224 transitions, 538 flow. Second operand has 6 states, 6 states have (on average 240.66666666666666) internal successors, (1444), 6 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:40,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:40,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2024-11-16 23:46:40,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:40,395 INFO L124 PetriNetUnfolderBase]: 111/1173 cut-off events. [2024-11-16 23:46:40,396 INFO L125 PetriNetUnfolderBase]: For 139/148 co-relation queries the response was YES. [2024-11-16 23:46:40,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 1173 events. 111/1173 cut-off events. For 139/148 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7362 event pairs, 32 based on Foata normal form. 0/1092 useless extension candidates. Maximal degree in co-relation 1567. Up to 124 conditions per place. [2024-11-16 23:46:40,408 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 24 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2024-11-16 23:46:40,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 231 transitions, 618 flow [2024-11-16 23:46:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:46:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:46:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1462 transitions. [2024-11-16 23:46:40,412 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058240396530359 [2024-11-16 23:46:40,412 INFO L175 Difference]: Start difference. First operand has 240 places, 224 transitions, 538 flow. Second operand 6 states and 1462 transitions. [2024-11-16 23:46:40,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 231 transitions, 618 flow [2024-11-16 23:46:40,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 231 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:40,417 INFO L231 Difference]: Finished difference. Result has 236 places, 223 transitions, 542 flow [2024-11-16 23:46:40,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=542, PETRI_PLACES=236, PETRI_TRANSITIONS=223} [2024-11-16 23:46:40,418 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -11 predicate places. [2024-11-16 23:46:40,418 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 223 transitions, 542 flow [2024-11-16 23:46:40,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.66666666666666) internal successors, (1444), 6 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:40,419 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:40,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:40,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:46:40,420 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:40,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:40,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1031440049, now seen corresponding path program 1 times [2024-11-16 23:46:40,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:40,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152953632] [2024-11-16 23:46:40,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:40,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:40,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:40,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152953632] [2024-11-16 23:46:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152953632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:40,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:40,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700921144] [2024-11-16 23:46:40,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:40,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:46:40,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:40,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:46:40,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:46:40,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2024-11-16 23:46:40,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 223 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 240.83333333333334) internal successors, (1445), 6 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:40,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:40,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2024-11-16 23:46:40,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:41,121 INFO L124 PetriNetUnfolderBase]: 181/1137 cut-off events. [2024-11-16 23:46:41,122 INFO L125 PetriNetUnfolderBase]: For 139/204 co-relation queries the response was YES. [2024-11-16 23:46:41,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 1137 events. 181/1137 cut-off events. For 139/204 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 7251 event pairs, 44 based on Foata normal form. 8/1074 useless extension candidates. Maximal degree in co-relation 1573. Up to 173 conditions per place. [2024-11-16 23:46:41,138 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 22 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-16 23:46:41,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 230 transitions, 618 flow [2024-11-16 23:46:41,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:46:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:46:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1462 transitions. [2024-11-16 23:46:41,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058240396530359 [2024-11-16 23:46:41,142 INFO L175 Difference]: Start difference. First operand has 236 places, 223 transitions, 542 flow. Second operand 6 states and 1462 transitions. [2024-11-16 23:46:41,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 230 transitions, 618 flow [2024-11-16 23:46:41,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 608 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:46:41,148 INFO L231 Difference]: Finished difference. Result has 235 places, 222 transitions, 540 flow [2024-11-16 23:46:41,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=540, PETRI_PLACES=235, PETRI_TRANSITIONS=222} [2024-11-16 23:46:41,149 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -12 predicate places. [2024-11-16 23:46:41,150 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 222 transitions, 540 flow [2024-11-16 23:46:41,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.83333333333334) internal successors, (1445), 6 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:41,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:41,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:41,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:46:41,151 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:41,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash -821799035, now seen corresponding path program 1 times [2024-11-16 23:46:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:41,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849146584] [2024-11-16 23:46:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:41,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849146584] [2024-11-16 23:46:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849146584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:41,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:41,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:41,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566025611] [2024-11-16 23:46:41,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:41,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:41,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:41,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:41,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 222 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:41,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:41,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:41,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:41,342 INFO L124 PetriNetUnfolderBase]: 83/1050 cut-off events. [2024-11-16 23:46:41,342 INFO L125 PetriNetUnfolderBase]: For 47/52 co-relation queries the response was YES. [2024-11-16 23:46:41,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 1050 events. 83/1050 cut-off events. For 47/52 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6131 event pairs, 19 based on Foata normal form. 0/996 useless extension candidates. Maximal degree in co-relation 1340. Up to 86 conditions per place. [2024-11-16 23:46:41,354 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 10 selfloop transitions, 2 changer transitions 0/223 dead transitions. [2024-11-16 23:46:41,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 223 transitions, 568 flow [2024-11-16 23:46:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2024-11-16 23:46:41,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9343246592317225 [2024-11-16 23:46:41,356 INFO L175 Difference]: Start difference. First operand has 235 places, 222 transitions, 540 flow. Second operand 3 states and 754 transitions. [2024-11-16 23:46:41,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 223 transitions, 568 flow [2024-11-16 23:46:41,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 223 transitions, 558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:46:41,361 INFO L231 Difference]: Finished difference. Result has 231 places, 221 transitions, 532 flow [2024-11-16 23:46:41,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=231, PETRI_TRANSITIONS=221} [2024-11-16 23:46:41,362 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -16 predicate places. [2024-11-16 23:46:41,362 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 221 transitions, 532 flow [2024-11-16 23:46:41,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:41,363 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:41,363 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:41,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:46:41,363 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:41,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:41,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1358077822, now seen corresponding path program 1 times [2024-11-16 23:46:41,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:41,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130395235] [2024-11-16 23:46:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:46:41,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:41,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130395235] [2024-11-16 23:46:41,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130395235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:41,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:41,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:41,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258435524] [2024-11-16 23:46:41,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:41,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:46:41,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:41,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:46:41,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:46:41,905 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2024-11-16 23:46:41,907 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 221 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:41,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:41,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2024-11-16 23:46:41,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:42,077 INFO L124 PetriNetUnfolderBase]: 90/1045 cut-off events. [2024-11-16 23:46:42,077 INFO L125 PetriNetUnfolderBase]: For 77/99 co-relation queries the response was YES. [2024-11-16 23:46:42,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1489 conditions, 1045 events. 90/1045 cut-off events. For 77/99 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6285 event pairs, 27 based on Foata normal form. 4/1006 useless extension candidates. Maximal degree in co-relation 1441. Up to 118 conditions per place. [2024-11-16 23:46:42,086 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 24 selfloop transitions, 5 changer transitions 0/228 dead transitions. [2024-11-16 23:46:42,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 228 transitions, 612 flow [2024-11-16 23:46:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:46:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:46:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1462 transitions. [2024-11-16 23:46:42,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058240396530359 [2024-11-16 23:46:42,090 INFO L175 Difference]: Start difference. First operand has 231 places, 221 transitions, 532 flow. Second operand 6 states and 1462 transitions. [2024-11-16 23:46:42,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 228 transitions, 612 flow [2024-11-16 23:46:42,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 228 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:42,095 INFO L231 Difference]: Finished difference. Result has 233 places, 220 transitions, 536 flow [2024-11-16 23:46:42,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=536, PETRI_PLACES=233, PETRI_TRANSITIONS=220} [2024-11-16 23:46:42,096 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -14 predicate places. [2024-11-16 23:46:42,096 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 220 transitions, 536 flow [2024-11-16 23:46:42,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:42,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:42,097 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:42,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:46:42,097 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:42,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1537157107, now seen corresponding path program 1 times [2024-11-16 23:46:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:42,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078001942] [2024-11-16 23:46:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:42,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:42,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:42,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078001942] [2024-11-16 23:46:42,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078001942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:42,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:42,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:42,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331110657] [2024-11-16 23:46:42,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:42,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:42,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:42,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:42,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:42,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:42,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 220 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:42,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:42,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:42,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:42,304 INFO L124 PetriNetUnfolderBase]: 141/1098 cut-off events. [2024-11-16 23:46:42,304 INFO L125 PetriNetUnfolderBase]: For 100/121 co-relation queries the response was YES. [2024-11-16 23:46:42,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1505 conditions, 1098 events. 141/1098 cut-off events. For 100/121 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6768 event pairs, 40 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1458. Up to 169 conditions per place. [2024-11-16 23:46:42,312 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 10 selfloop transitions, 2 changer transitions 6/221 dead transitions. [2024-11-16 23:46:42,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 221 transitions, 564 flow [2024-11-16 23:46:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2024-11-16 23:46:42,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9343246592317225 [2024-11-16 23:46:42,315 INFO L175 Difference]: Start difference. First operand has 233 places, 220 transitions, 536 flow. Second operand 3 states and 754 transitions. [2024-11-16 23:46:42,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 221 transitions, 564 flow [2024-11-16 23:46:42,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 221 transitions, 554 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:46:42,320 INFO L231 Difference]: Finished difference. Result has 229 places, 213 transitions, 496 flow [2024-11-16 23:46:42,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=229, PETRI_TRANSITIONS=213} [2024-11-16 23:46:42,320 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -18 predicate places. [2024-11-16 23:46:42,321 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 213 transitions, 496 flow [2024-11-16 23:46:42,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:42,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:42,321 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:42,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:46:42,322 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-16 23:46:42,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:42,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1317185660, now seen corresponding path program 1 times [2024-11-16 23:46:42,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:42,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326079876] [2024-11-16 23:46:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:46:42,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:42,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326079876] [2024-11-16 23:46:42,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326079876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:42,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:42,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628361699] [2024-11-16 23:46:42,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:42,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:42,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:42,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:42,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:42,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 269 [2024-11-16 23:46:42,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 213 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:42,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:42,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 269 [2024-11-16 23:46:42,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:42,485 INFO L124 PetriNetUnfolderBase]: 69/992 cut-off events. [2024-11-16 23:46:42,485 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-16 23:46:42,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1264 conditions, 992 events. 69/992 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5905 event pairs, 19 based on Foata normal form. 1/963 useless extension candidates. Maximal degree in co-relation 1217. Up to 61 conditions per place. [2024-11-16 23:46:42,492 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 0 selfloop transitions, 0 changer transitions 214/214 dead transitions. [2024-11-16 23:46:42,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 214 transitions, 524 flow [2024-11-16 23:46:42,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2024-11-16 23:46:42,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9343246592317225 [2024-11-16 23:46:42,494 INFO L175 Difference]: Start difference. First operand has 229 places, 213 transitions, 496 flow. Second operand 3 states and 754 transitions. [2024-11-16 23:46:42,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 214 transitions, 524 flow [2024-11-16 23:46:42,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 214 transitions, 500 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-16 23:46:42,498 INFO L231 Difference]: Finished difference. Result has 218 places, 0 transitions, 0 flow [2024-11-16 23:46:42,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=218, PETRI_TRANSITIONS=0} [2024-11-16 23:46:42,498 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -29 predicate places. [2024-11-16 23:46:42,499 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 0 transitions, 0 flow [2024-11-16 23:46:42,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:46:42,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-16 23:46:42,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-16 23:46:42,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-16 23:46:42,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-16 23:46:42,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-16 23:46:42,504 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-16 23:46:42,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-16 23:46:42,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-16 23:46:42,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-16 23:46:42,508 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-16 23:46:42,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:46:42,509 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:42,514 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:46:42,514 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:46:42,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:42 BasicIcfg [2024-11-16 23:46:42,519 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:46:42,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:46:42,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:46:42,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:46:42,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:35" (3/4) ... [2024-11-16 23:46:42,522 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:46:42,525 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:46:42,525 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:46:42,526 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:46:42,530 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-16 23:46:42,531 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:46:42,531 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:46:42,531 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:46:42,631 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:46:42,632 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:46:42,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:46:42,632 INFO L158 Benchmark]: Toolchain (without parser) took 8581.43ms. Allocated memory was 176.2MB in the beginning and 369.1MB in the end (delta: 192.9MB). Free memory was 120.5MB in the beginning and 199.7MB in the end (delta: -79.2MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,632 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:42,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.88ms. Allocated memory is still 176.2MB. Free memory was 120.0MB in the beginning and 105.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,633 INFO L158 Benchmark]: Boogie Preprocessor took 37.59ms. Allocated memory is still 176.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,633 INFO L158 Benchmark]: IcfgBuilder took 663.88ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 78.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,633 INFO L158 Benchmark]: TraceAbstraction took 7458.72ms. Allocated memory was 176.2MB in the beginning and 369.1MB in the end (delta: 192.9MB). Free memory was 78.1MB in the beginning and 206.0MB in the end (delta: -127.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,634 INFO L158 Benchmark]: Witness Printer took 112.02ms. Allocated memory is still 369.1MB. Free memory was 206.0MB in the beginning and 199.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:46:42,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.88ms. Allocated memory is still 176.2MB. Free memory was 120.0MB in the beginning and 105.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.59ms. Allocated memory is still 176.2MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 663.88ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 78.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7458.72ms. Allocated memory was 176.2MB in the beginning and 369.1MB in the end (delta: 192.9MB). Free memory was 78.1MB in the beginning and 206.0MB in the end (delta: -127.9MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 112.02ms. Allocated memory is still 369.1MB. Free memory was 206.0MB in the beginning and 199.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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: 77]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 362 locations, 46 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: 7.2s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 978 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 535 mSDsluCounter, 345 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1464 IncrementalHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 109 mSDtfsCounter, 1464 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=11, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1557 NumberOfCodeBlocks, 1557 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1539 ConstructedInterpolants, 0 QuantifiedInterpolants, 2251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:46:42,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE