./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:10,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:10,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:10,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:10,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:10,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:10,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:10,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:10,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:10,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:10,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:10,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:10,408 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:10,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:10,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:10,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:10,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:10,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:10,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:10,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:10,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:10,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:10,412 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:10,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:10,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:10,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:10,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:10,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:10,414 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:10,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:10,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:10,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:10,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:10,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:10,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:10,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:10,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:10,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:10,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:10,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:10,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:10,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb [2024-11-16 23:43:10,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:10,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:10,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:10,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:10,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:10,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2024-11-16 23:43:12,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:12,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:12,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2024-11-16 23:43:12,342 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc9efe45a/92ce56d59aea4f0399fb990cca5d88a4/FLAG5aa663505 [2024-11-16 23:43:12,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc9efe45a/92ce56d59aea4f0399fb990cca5d88a4 [2024-11-16 23:43:12,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:12,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:12,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:12,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:12,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:12,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:12" (1/1) ... [2024-11-16 23:43:12,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d76060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12, skipping insertion in model container [2024-11-16 23:43:12,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:12" (1/1) ... [2024-11-16 23:43:12,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:13,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:13,028 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:13,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:13,069 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:13,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13 WrapperNode [2024-11-16 23:43:13,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:13,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:13,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:13,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:13,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,121 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 237 [2024-11-16 23:43:13,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:13,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:13,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:13,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:13,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:13,148 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:13,148 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:13,148 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:13,149 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (1/1) ... [2024-11-16 23:43:13,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:13,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:43:13,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:43:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:13,240 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:13,362 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:13,364 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:13,798 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:13,798 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:13,830 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:13,830 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:13,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:13 BoogieIcfgContainer [2024-11-16 23:43:13,831 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:13,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:13,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:13,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:13,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:12" (1/3) ... [2024-11-16 23:43:13,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d33cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:13, skipping insertion in model container [2024-11-16 23:43:13,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:13" (2/3) ... [2024-11-16 23:43:13,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d33cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:13, skipping insertion in model container [2024-11-16 23:43:13,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:13" (3/3) ... [2024-11-16 23:43:13,843 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2024-11-16 23:43:13,860 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:13,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-16 23:43:13,861 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:13,995 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:43:14,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 310 places, 325 transitions, 664 flow [2024-11-16 23:43:14,181 INFO L124 PetriNetUnfolderBase]: 22/323 cut-off events. [2024-11-16 23:43:14,183 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:43:14,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 22/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 790 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2024-11-16 23:43:14,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 310 places, 325 transitions, 664 flow [2024-11-16 23:43:14,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 303 transitions, 618 flow [2024-11-16 23:43:14,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:14,230 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;@6cdab351, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:14,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-16 23:43:14,237 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:14,238 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-16 23:43:14,238 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:14,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,239 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] [2024-11-16 23:43:14,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:14,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1856235362, now seen corresponding path program 1 times [2024-11-16 23:43:14,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005169373] [2024-11-16 23:43:14,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:14,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005169373] [2024-11-16 23:43:14,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005169373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:14,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658524046] [2024-11-16 23:43:14,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:14,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:14,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:14,501 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 325 [2024-11-16 23:43:14,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 303 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:14,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 325 [2024-11-16 23:43:14,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,680 INFO L124 PetriNetUnfolderBase]: 39/568 cut-off events. [2024-11-16 23:43:14,680 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-16 23:43:14,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 568 events. 39/568 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2585 event pairs, 8 based on Foata normal form. 16/482 useless extension candidates. Maximal degree in co-relation 419. Up to 30 conditions per place. [2024-11-16 23:43:14,687 INFO L140 encePairwiseOnDemand]: 316/325 looper letters, 11 selfloop transitions, 2 changer transitions 2/296 dead transitions. [2024-11-16 23:43:14,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 296 transitions, 630 flow [2024-11-16 23:43:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2024-11-16 23:43:14,705 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9497435897435897 [2024-11-16 23:43:14,710 INFO L175 Difference]: Start difference. First operand has 290 places, 303 transitions, 618 flow. Second operand 3 states and 926 transitions. [2024-11-16 23:43:14,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 296 transitions, 630 flow [2024-11-16 23:43:14,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 296 transitions, 622 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:43:14,721 INFO L231 Difference]: Finished difference. Result has 287 places, 294 transitions, 596 flow [2024-11-16 23:43:14,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=287, PETRI_TRANSITIONS=294} [2024-11-16 23:43:14,728 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -3 predicate places. [2024-11-16 23:43:14,729 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 294 transitions, 596 flow [2024-11-16 23:43:14,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:14,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,730 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] [2024-11-16 23:43:14,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:14,730 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:14,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1463208951, now seen corresponding path program 1 times [2024-11-16 23:43:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872339100] [2024-11-16 23:43:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:14,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:14,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872339100] [2024-11-16 23:43:14,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872339100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:14,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:14,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:14,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966750805] [2024-11-16 23:43:14,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:14,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:14,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:14,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:14,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:14,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 325 [2024-11-16 23:43:14,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 294 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:14,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:14,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 325 [2024-11-16 23:43:14,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:14,935 INFO L124 PetriNetUnfolderBase]: 39/568 cut-off events. [2024-11-16 23:43:14,935 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-11-16 23:43:14,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 568 events. 39/568 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2554 event pairs, 8 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 578. Up to 30 conditions per place. [2024-11-16 23:43:14,940 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 11 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-16 23:43:14,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 293 transitions, 620 flow [2024-11-16 23:43:14,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2024-11-16 23:43:14,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9435897435897436 [2024-11-16 23:43:14,943 INFO L175 Difference]: Start difference. First operand has 287 places, 294 transitions, 596 flow. Second operand 3 states and 920 transitions. [2024-11-16 23:43:14,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 293 transitions, 620 flow [2024-11-16 23:43:14,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 293 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:14,948 INFO L231 Difference]: Finished difference. Result has 284 places, 293 transitions, 594 flow [2024-11-16 23:43:14,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=284, PETRI_TRANSITIONS=293} [2024-11-16 23:43:14,949 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -6 predicate places. [2024-11-16 23:43:14,949 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 293 transitions, 594 flow [2024-11-16 23:43:14,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:14,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:14,950 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] [2024-11-16 23:43:14,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:14,950 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:14,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash -206409028, now seen corresponding path program 1 times [2024-11-16 23:43:14,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:14,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385685317] [2024-11-16 23:43:14,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:14,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385685317] [2024-11-16 23:43:15,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385685317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820687705] [2024-11-16 23:43:15,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-16 23:43:15,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 293 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-16 23:43:15,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,152 INFO L124 PetriNetUnfolderBase]: 53/682 cut-off events. [2024-11-16 23:43:15,153 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:43:15,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 682 events. 53/682 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3639 event pairs, 15 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 699. Up to 44 conditions per place. [2024-11-16 23:43:15,162 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-11-16 23:43:15,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 292 transitions, 622 flow [2024-11-16 23:43:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-16 23:43:15,166 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9394871794871795 [2024-11-16 23:43:15,166 INFO L175 Difference]: Start difference. First operand has 284 places, 293 transitions, 594 flow. Second operand 3 states and 916 transitions. [2024-11-16 23:43:15,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 292 transitions, 622 flow [2024-11-16 23:43:15,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 292 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:15,171 INFO L231 Difference]: Finished difference. Result has 283 places, 292 transitions, 592 flow [2024-11-16 23:43:15,172 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=283, PETRI_TRANSITIONS=292} [2024-11-16 23:43:15,173 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -7 predicate places. [2024-11-16 23:43:15,174 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 292 transitions, 592 flow [2024-11-16 23:43:15,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,175 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,175 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:15,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:15,176 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:15,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1280733651, now seen corresponding path program 1 times [2024-11-16 23:43:15,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661910918] [2024-11-16 23:43:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,240 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 23:43:15,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661910918] [2024-11-16 23:43:15,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661910918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139912044] [2024-11-16 23:43:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-16 23:43:15,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 292 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-16 23:43:15,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,371 INFO L124 PetriNetUnfolderBase]: 53/669 cut-off events. [2024-11-16 23:43:15,371 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:43:15,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 669 events. 53/669 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3628 event pairs, 15 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 678. Up to 44 conditions per place. [2024-11-16 23:43:15,378 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 13 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2024-11-16 23:43:15,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 291 transitions, 620 flow [2024-11-16 23:43:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2024-11-16 23:43:15,380 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9394871794871795 [2024-11-16 23:43:15,380 INFO L175 Difference]: Start difference. First operand has 283 places, 292 transitions, 592 flow. Second operand 3 states and 916 transitions. [2024-11-16 23:43:15,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 291 transitions, 620 flow [2024-11-16 23:43:15,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 291 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:15,385 INFO L231 Difference]: Finished difference. Result has 282 places, 291 transitions, 590 flow [2024-11-16 23:43:15,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=282, PETRI_TRANSITIONS=291} [2024-11-16 23:43:15,387 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -8 predicate places. [2024-11-16 23:43:15,387 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 291 transitions, 590 flow [2024-11-16 23:43:15,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,388 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] [2024-11-16 23:43:15,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:15,388 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:15,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1840280013, now seen corresponding path program 1 times [2024-11-16 23:43:15,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24049747] [2024-11-16 23:43:15,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24049747] [2024-11-16 23:43:15,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24049747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178643] [2024-11-16 23:43:15,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,490 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 325 [2024-11-16 23:43:15,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 291 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 325 [2024-11-16 23:43:15,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,590 INFO L124 PetriNetUnfolderBase]: 116/1116 cut-off events. [2024-11-16 23:43:15,590 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-16 23:43:15,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 1116 events. 116/1116 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7523 event pairs, 36 based on Foata normal form. 0/931 useless extension candidates. Maximal degree in co-relation 1188. Up to 110 conditions per place. [2024-11-16 23:43:15,599 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 18 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-11-16 23:43:15,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 288 transitions, 625 flow [2024-11-16 23:43:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-16 23:43:15,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9312820512820513 [2024-11-16 23:43:15,602 INFO L175 Difference]: Start difference. First operand has 282 places, 291 transitions, 590 flow. Second operand 3 states and 908 transitions. [2024-11-16 23:43:15,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 288 transitions, 625 flow [2024-11-16 23:43:15,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 288 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:15,607 INFO L231 Difference]: Finished difference. Result has 277 places, 287 transitions, 588 flow [2024-11-16 23:43:15,608 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=277, PETRI_TRANSITIONS=287} [2024-11-16 23:43:15,608 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2024-11-16 23:43:15,608 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 287 transitions, 588 flow [2024-11-16 23:43:15,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,609 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,609 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] [2024-11-16 23:43:15,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:15,610 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:15,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1017413522, now seen corresponding path program 1 times [2024-11-16 23:43:15,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750728962] [2024-11-16 23:43:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750728962] [2024-11-16 23:43:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750728962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591810818] [2024-11-16 23:43:15,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 325 [2024-11-16 23:43:15,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 287 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 325 [2024-11-16 23:43:15,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:15,856 INFO L124 PetriNetUnfolderBase]: 145/1395 cut-off events. [2024-11-16 23:43:15,856 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:43:15,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 1395 events. 145/1395 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 10378 event pairs, 36 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1393. Up to 128 conditions per place. [2024-11-16 23:43:15,866 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 18 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-11-16 23:43:15,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 284 transitions, 623 flow [2024-11-16 23:43:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2024-11-16 23:43:15,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9312820512820513 [2024-11-16 23:43:15,868 INFO L175 Difference]: Start difference. First operand has 277 places, 287 transitions, 588 flow. Second operand 3 states and 908 transitions. [2024-11-16 23:43:15,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 284 transitions, 623 flow [2024-11-16 23:43:15,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 284 transitions, 623 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:15,873 INFO L231 Difference]: Finished difference. Result has 274 places, 283 transitions, 590 flow [2024-11-16 23:43:15,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=274, PETRI_TRANSITIONS=283} [2024-11-16 23:43:15,874 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -16 predicate places. [2024-11-16 23:43:15,874 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 283 transitions, 590 flow [2024-11-16 23:43:15,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:15,875 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] [2024-11-16 23:43:15,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:15,875 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1170923328, now seen corresponding path program 1 times [2024-11-16 23:43:15,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:15,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602992115] [2024-11-16 23:43:15,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:15,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:15,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602992115] [2024-11-16 23:43:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602992115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:43:15,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665200026] [2024-11-16 23:43:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:15,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:15,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:15,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:15,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:15,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 325 [2024-11-16 23:43:15,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 283 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:15,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:15,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 325 [2024-11-16 23:43:15,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,000 INFO L124 PetriNetUnfolderBase]: 47/651 cut-off events. [2024-11-16 23:43:16,001 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:43:16,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 651 events. 47/651 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3605 event pairs, 5 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 557. Up to 22 conditions per place. [2024-11-16 23:43:16,007 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-11-16 23:43:16,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 286 transitions, 625 flow [2024-11-16 23:43:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2024-11-16 23:43:16,009 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9569230769230769 [2024-11-16 23:43:16,009 INFO L175 Difference]: Start difference. First operand has 274 places, 283 transitions, 590 flow. Second operand 3 states and 933 transitions. [2024-11-16 23:43:16,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 286 transitions, 625 flow [2024-11-16 23:43:16,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 286 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:16,014 INFO L231 Difference]: Finished difference. Result has 278 places, 285 transitions, 612 flow [2024-11-16 23:43:16,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=278, PETRI_TRANSITIONS=285} [2024-11-16 23:43:16,015 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -12 predicate places. [2024-11-16 23:43:16,015 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 285 transitions, 612 flow [2024-11-16 23:43:16,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,016 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] [2024-11-16 23:43:16,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:16,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:16,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1764994111, now seen corresponding path program 1 times [2024-11-16 23:43:16,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613183635] [2024-11-16 23:43:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613183635] [2024-11-16 23:43:16,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613183635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259519508] [2024-11-16 23:43:16,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,079 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-16 23:43:16,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 285 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-16 23:43:16,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,223 INFO L124 PetriNetUnfolderBase]: 103/1220 cut-off events. [2024-11-16 23:43:16,223 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-16 23:43:16,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1220 events. 103/1220 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8325 event pairs, 8 based on Foata normal form. 0/1071 useless extension candidates. Maximal degree in co-relation 1178. Up to 87 conditions per place. [2024-11-16 23:43:16,234 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 16 selfloop transitions, 4 changer transitions 0/288 dead transitions. [2024-11-16 23:43:16,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 288 transitions, 661 flow [2024-11-16 23:43:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-16 23:43:16,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-16 23:43:16,237 INFO L175 Difference]: Start difference. First operand has 278 places, 285 transitions, 612 flow. Second operand 3 states and 924 transitions. [2024-11-16 23:43:16,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 288 transitions, 661 flow [2024-11-16 23:43:16,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 288 transitions, 655 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:16,243 INFO L231 Difference]: Finished difference. Result has 275 places, 285 transitions, 626 flow [2024-11-16 23:43:16,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=275, PETRI_TRANSITIONS=285} [2024-11-16 23:43:16,245 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -15 predicate places. [2024-11-16 23:43:16,246 INFO L471 AbstractCegarLoop]: Abstraction has has 275 places, 285 transitions, 626 flow [2024-11-16 23:43:16,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,247 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] [2024-11-16 23:43:16,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:16,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:16,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1021650323, now seen corresponding path program 1 times [2024-11-16 23:43:16,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204788265] [2024-11-16 23:43:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204788265] [2024-11-16 23:43:16,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204788265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239964437] [2024-11-16 23:43:16,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 325 [2024-11-16 23:43:16,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 285 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 325 [2024-11-16 23:43:16,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,463 INFO L124 PetriNetUnfolderBase]: 93/1123 cut-off events. [2024-11-16 23:43:16,464 INFO L125 PetriNetUnfolderBase]: For 5/17 co-relation queries the response was YES. [2024-11-16 23:43:16,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1123 events. 93/1123 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7391 event pairs, 6 based on Foata normal form. 3/992 useless extension candidates. Maximal degree in co-relation 1088. Up to 32 conditions per place. [2024-11-16 23:43:16,474 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 10 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-11-16 23:43:16,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 285 transitions, 651 flow [2024-11-16 23:43:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2024-11-16 23:43:16,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2024-11-16 23:43:16,477 INFO L175 Difference]: Start difference. First operand has 275 places, 285 transitions, 626 flow. Second operand 3 states and 928 transitions. [2024-11-16 23:43:16,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 285 transitions, 651 flow [2024-11-16 23:43:16,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 285 transitions, 651 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:16,482 INFO L231 Difference]: Finished difference. Result has 276 places, 284 transitions, 628 flow [2024-11-16 23:43:16,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=276, PETRI_TRANSITIONS=284} [2024-11-16 23:43:16,484 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -14 predicate places. [2024-11-16 23:43:16,484 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 284 transitions, 628 flow [2024-11-16 23:43:16,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,485 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] [2024-11-16 23:43:16,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:16,485 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:16,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,486 INFO L85 PathProgramCache]: Analyzing trace with hash 352762694, now seen corresponding path program 1 times [2024-11-16 23:43:16,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784998153] [2024-11-16 23:43:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784998153] [2024-11-16 23:43:16,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784998153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300645685] [2024-11-16 23:43:16,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 325 [2024-11-16 23:43:16,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 284 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 325 [2024-11-16 23:43:16,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,700 INFO L124 PetriNetUnfolderBase]: 123/1336 cut-off events. [2024-11-16 23:43:16,701 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2024-11-16 23:43:16,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 1336 events. 123/1336 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9679 event pairs, 14 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 1358. Up to 100 conditions per place. [2024-11-16 23:43:16,713 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 16 selfloop transitions, 4 changer transitions 0/287 dead transitions. [2024-11-16 23:43:16,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 287 transitions, 677 flow [2024-11-16 23:43:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-16 23:43:16,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-16 23:43:16,718 INFO L175 Difference]: Start difference. First operand has 276 places, 284 transitions, 628 flow. Second operand 3 states and 924 transitions. [2024-11-16 23:43:16,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 287 transitions, 677 flow [2024-11-16 23:43:16,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 287 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:16,724 INFO L231 Difference]: Finished difference. Result has 273 places, 284 transitions, 644 flow [2024-11-16 23:43:16,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=273, PETRI_TRANSITIONS=284} [2024-11-16 23:43:16,726 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -17 predicate places. [2024-11-16 23:43:16,726 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 284 transitions, 644 flow [2024-11-16 23:43:16,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,727 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,727 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:16,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:16,727 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:16,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,728 INFO L85 PathProgramCache]: Analyzing trace with hash -986861110, now seen corresponding path program 1 times [2024-11-16 23:43:16,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892276789] [2024-11-16 23:43:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,759 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 23:43:16,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892276789] [2024-11-16 23:43:16,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892276789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:43:16,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486255768] [2024-11-16 23:43:16,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 325 [2024-11-16 23:43:16,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 284 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 325 [2024-11-16 23:43:16,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:16,893 INFO L124 PetriNetUnfolderBase]: 104/1158 cut-off events. [2024-11-16 23:43:16,893 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-11-16 23:43:16,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1384 conditions, 1158 events. 104/1158 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7754 event pairs, 10 based on Foata normal form. 0/1026 useless extension candidates. Maximal degree in co-relation 1159. Up to 81 conditions per place. [2024-11-16 23:43:16,906 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 11 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2024-11-16 23:43:16,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 287 transitions, 679 flow [2024-11-16 23:43:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 933 transitions. [2024-11-16 23:43:16,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9569230769230769 [2024-11-16 23:43:16,909 INFO L175 Difference]: Start difference. First operand has 273 places, 284 transitions, 644 flow. Second operand 3 states and 933 transitions. [2024-11-16 23:43:16,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 287 transitions, 679 flow [2024-11-16 23:43:16,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 287 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:43:16,918 INFO L231 Difference]: Finished difference. Result has 277 places, 286 transitions, 666 flow [2024-11-16 23:43:16,919 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=277, PETRI_TRANSITIONS=286} [2024-11-16 23:43:16,921 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -13 predicate places. [2024-11-16 23:43:16,921 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 286 transitions, 666 flow [2024-11-16 23:43:16,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:16,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:16,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:16,923 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:16,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:16,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1485467639, now seen corresponding path program 1 times [2024-11-16 23:43:16,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:16,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545584796] [2024-11-16 23:43:16,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:16,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:16,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:16,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545584796] [2024-11-16 23:43:16,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545584796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:16,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:16,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:16,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194833004] [2024-11-16 23:43:16,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:16,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:16,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:16,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:16,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 325 [2024-11-16 23:43:16,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 286 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:16,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:16,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 325 [2024-11-16 23:43:16,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,100 INFO L124 PetriNetUnfolderBase]: 104/1036 cut-off events. [2024-11-16 23:43:17,100 INFO L125 PetriNetUnfolderBase]: For 56/58 co-relation queries the response was YES. [2024-11-16 23:43:17,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1347 conditions, 1036 events. 104/1036 cut-off events. For 56/58 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6721 event pairs, 6 based on Foata normal form. 0/952 useless extension candidates. Maximal degree in co-relation 1109. Up to 65 conditions per place. [2024-11-16 23:43:17,112 INFO L140 encePairwiseOnDemand]: 322/325 looper letters, 10 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-11-16 23:43:17,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 286 transitions, 691 flow [2024-11-16 23:43:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 928 transitions. [2024-11-16 23:43:17,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9517948717948718 [2024-11-16 23:43:17,115 INFO L175 Difference]: Start difference. First operand has 277 places, 286 transitions, 666 flow. Second operand 3 states and 928 transitions. [2024-11-16 23:43:17,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 286 transitions, 691 flow [2024-11-16 23:43:17,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 286 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:17,121 INFO L231 Difference]: Finished difference. Result has 276 places, 285 transitions, 662 flow [2024-11-16 23:43:17,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=276, PETRI_TRANSITIONS=285} [2024-11-16 23:43:17,123 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -14 predicate places. [2024-11-16 23:43:17,123 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 285 transitions, 662 flow [2024-11-16 23:43:17,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:17,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:17,124 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:17,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:17,124 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:17,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1968056121, now seen corresponding path program 1 times [2024-11-16 23:43:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000328245] [2024-11-16 23:43:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:17,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:17,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000328245] [2024-11-16 23:43:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000328245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:17,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505442169] [2024-11-16 23:43:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:17,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:17,218 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-16 23:43:17,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 285 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:17,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:17,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-16 23:43:17,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,362 INFO L124 PetriNetUnfolderBase]: 99/1287 cut-off events. [2024-11-16 23:43:17,362 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-11-16 23:43:17,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1574 conditions, 1287 events. 99/1287 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9019 event pairs, 4 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1349. Up to 43 conditions per place. [2024-11-16 23:43:17,373 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 10 selfloop transitions, 1 changer transitions 0/282 dead transitions. [2024-11-16 23:43:17,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 282 transitions, 678 flow [2024-11-16 23:43:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2024-11-16 23:43:17,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466666666666667 [2024-11-16 23:43:17,377 INFO L175 Difference]: Start difference. First operand has 276 places, 285 transitions, 662 flow. Second operand 3 states and 923 transitions. [2024-11-16 23:43:17,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 282 transitions, 678 flow [2024-11-16 23:43:17,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 282 transitions, 674 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:17,384 INFO L231 Difference]: Finished difference. Result has 273 places, 282 transitions, 654 flow [2024-11-16 23:43:17,384 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=273, PETRI_TRANSITIONS=282} [2024-11-16 23:43:17,385 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -17 predicate places. [2024-11-16 23:43:17,386 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 282 transitions, 654 flow [2024-11-16 23:43:17,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:17,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:17,387 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:17,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:17,387 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2024-11-16 23:43:17,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash -188179270, now seen corresponding path program 1 times [2024-11-16 23:43:17,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:17,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081679806] [2024-11-16 23:43:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:17,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:17,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:17,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081679806] [2024-11-16 23:43:17,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081679806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:17,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:17,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:17,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618443607] [2024-11-16 23:43:17,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:17,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:17,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 325 [2024-11-16 23:43:17,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 282 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:17,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:17,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 325 [2024-11-16 23:43:17,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:17,591 INFO L124 PetriNetUnfolderBase]: 86/1049 cut-off events. [2024-11-16 23:43:17,592 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-11-16 23:43:17,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1265 conditions, 1049 events. 86/1049 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6329 event pairs, 4 based on Foata normal form. 2/970 useless extension candidates. Maximal degree in co-relation 1120. Up to 44 conditions per place. [2024-11-16 23:43:17,600 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 0 selfloop transitions, 0 changer transitions 281/281 dead transitions. [2024-11-16 23:43:17,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 281 transitions, 676 flow [2024-11-16 23:43:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:17,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2024-11-16 23:43:17,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9476923076923077 [2024-11-16 23:43:17,602 INFO L175 Difference]: Start difference. First operand has 273 places, 282 transitions, 654 flow. Second operand 3 states and 924 transitions. [2024-11-16 23:43:17,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 281 transitions, 676 flow [2024-11-16 23:43:17,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 281 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:17,606 INFO L231 Difference]: Finished difference. Result has 271 places, 0 transitions, 0 flow [2024-11-16 23:43:17,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=271, PETRI_TRANSITIONS=0} [2024-11-16 23:43:17,607 INFO L277 CegarLoopForPetriNet]: 290 programPoint places, -19 predicate places. [2024-11-16 23:43:17,607 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 0 transitions, 0 flow [2024-11-16 23:43:17,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:43:17,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2024-11-16 23:43:17,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2024-11-16 23:43:17,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2024-11-16 23:43:17,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2024-11-16 23:43:17,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2024-11-16 23:43:17,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2024-11-16 23:43:17,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2024-11-16 23:43:17,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:17,619 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:17,625 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:43:17,625 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:43:17,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:43:17 BasicIcfg [2024-11-16 23:43:17,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:43:17,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:43:17,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:43:17,633 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:43:17,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:13" (3/4) ... [2024-11-16 23:43:17,635 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:43:17,639 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:43:17,639 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:43:17,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-16 23:43:17,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:43:17,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:43:17,645 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:43:17,732 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:43:17,732 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:43:17,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:43:17,733 INFO L158 Benchmark]: Toolchain (without parser) took 4999.91ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 87.3MB in the beginning and 148.8MB in the end (delta: -61.5MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,733 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:43:17,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.64ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 73.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.82ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,733 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,733 INFO L158 Benchmark]: IcfgBuilder took 683.10ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 69.5MB in the beginning and 143.4MB in the end (delta: -74.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,734 INFO L158 Benchmark]: TraceAbstraction took 3796.99ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 143.4MB in the beginning and 154.0MB in the end (delta: -10.6MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,734 INFO L158 Benchmark]: Witness Printer took 99.03ms. Allocated memory is still 276.8MB. Free memory was 154.0MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:43:17,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 114.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.64ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 73.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.82ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 683.10ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 69.5MB in the beginning and 143.4MB in the end (delta: -74.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3796.99ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 143.4MB in the beginning and 154.0MB in the end (delta: -10.6MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Witness Printer took 99.03ms. Allocated memory is still 276.8MB. Free memory was 154.0MB in the beginning and 148.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 484 locations, 56 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: 3.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 405 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 119 mSDtfsCounter, 405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=666occurred in iteration=11, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 890 ConstructedInterpolants, 0 QuantifiedInterpolants, 916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:43:17,767 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