./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/pthread-atomic/lamport.i -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 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:05:43,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:05:43,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:05:43,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:05:43,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:05:43,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:05:43,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:05:43,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:05:43,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:05:43,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:05:43,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:05:43,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:05:43,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:05:43,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:05:43,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:05:43,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:05:43,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:05:43,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:05:43,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:05:43,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:05:43,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:05:43,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:05:43,113 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:05:43,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:05:43,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:05:43,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:05:43,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:05:43,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:05:43,114 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:05:43,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:05:43,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:05:43,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:05:43,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:05:43,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:05:43,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:05:43,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:05:43,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:05:43,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:05:43,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:05:43,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:05:43,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:05:43,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b308ef82643f3d5bfbffb17cfcc4180faf3590c2e3fc7a25c3079a0f6ea799c [2024-11-10 14:05:43,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:05:43,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:05:43,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:05:43,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:05:43,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:05:43,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-10 14:05:44,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:05:44,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:05:44,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/lamport.i [2024-11-10 14:05:44,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5ad8d23/9a723c38c7a6411fbbda3e7d5a8a8e89/FLAGe2c320f48 [2024-11-10 14:05:45,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5ad8d23/9a723c38c7a6411fbbda3e7d5a8a8e89 [2024-11-10 14:05:45,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:05:45,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:05:45,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:05:45,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:05:45,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:05:45,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75266058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45, skipping insertion in model container [2024-11-10 14:05:45,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:05:45,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:05:45,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:05:45,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:05:45,757 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:05:45,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45 WrapperNode [2024-11-10 14:05:45,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:05:45,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:05:45,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:05:45,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:05:45,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,800 INFO L138 Inliner]: procedures = 166, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2024-11-10 14:05:45,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:05:45,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:05:45,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:05:45,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:05:45,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,818 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:05:45,831 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:05:45,831 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:05:45,831 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:05:45,832 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (1/1) ... [2024-11-10 14:05:45,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:05:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:05:45,872 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) [2024-11-10 14:05:45,881 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 [2024-11-10 14:05:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-10 14:05:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-10 14:05:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 14:05:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 14:05:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:05:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:05:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:05:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:05:45,922 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:05:46,030 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:05:46,032 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:05:46,171 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:05:46,172 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:05:46,200 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:05:46,203 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:05:46,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:46 BoogieIcfgContainer [2024-11-10 14:05:46,204 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:05:46,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:05:46,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:05:46,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:05:46,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:05:45" (1/3) ... [2024-11-10 14:05:46,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1acb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:05:46, skipping insertion in model container [2024-11-10 14:05:46,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:05:45" (2/3) ... [2024-11-10 14:05:46,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1acb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:05:46, skipping insertion in model container [2024-11-10 14:05:46,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:46" (3/3) ... [2024-11-10 14:05:46,212 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-11-10 14:05:46,226 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:05:46,226 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 14:05:46,227 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:05:46,286 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:05:46,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 133 transitions, 280 flow [2024-11-10 14:05:46,350 INFO L124 PetriNetUnfolderBase]: 26/131 cut-off events. [2024-11-10 14:05:46,350 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:05:46,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 131 events. 26/131 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 301 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 108. Up to 5 conditions per place. [2024-11-10 14:05:46,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 133 transitions, 280 flow [2024-11-10 14:05:46,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 126 transitions, 261 flow [2024-11-10 14:05:46,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:05:46,372 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;@18d3d163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:05:46,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 14:05:46,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:05:46,380 INFO L124 PetriNetUnfolderBase]: 1/36 cut-off events. [2024-11-10 14:05:46,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:05:46,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:46,381 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] [2024-11-10 14:05:46,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:46,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:46,386 INFO L85 PathProgramCache]: Analyzing trace with hash 173480718, now seen corresponding path program 1 times [2024-11-10 14:05:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:46,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111926296] [2024-11-10 14:05:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:46,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:46,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:46,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111926296] [2024-11-10 14:05:46,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111926296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:46,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:46,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710901242] [2024-11-10 14:05:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:46,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:05:46,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:05:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:05:46,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 133 [2024-11-10 14:05:46,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 126 transitions, 261 flow. Second operand has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2024-11-10 14:05:46,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:46,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 133 [2024-11-10 14:05:46,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:46,872 INFO L124 PetriNetUnfolderBase]: 131/522 cut-off events. [2024-11-10 14:05:46,872 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-10 14:05:46,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 522 events. 131/522 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2802 event pairs, 63 based on Foata normal form. 126/547 useless extension candidates. Maximal degree in co-relation 643. Up to 160 conditions per place. [2024-11-10 14:05:46,881 INFO L140 encePairwiseOnDemand]: 119/133 looper letters, 17 selfloop transitions, 0 changer transitions 0/110 dead transitions. [2024-11-10 14:05:46,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 110 transitions, 263 flow [2024-11-10 14:05:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:05:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:05:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2024-11-10 14:05:46,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8759398496240601 [2024-11-10 14:05:46,928 INFO L175 Difference]: Start difference. First operand has 107 places, 126 transitions, 261 flow. Second operand 2 states and 233 transitions. [2024-11-10 14:05:46,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 110 transitions, 263 flow [2024-11-10 14:05:46,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 110 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:05:46,938 INFO L231 Difference]: Finished difference. Result has 103 places, 110 transitions, 224 flow [2024-11-10 14:05:46,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=224, PETRI_PLACES=103, PETRI_TRANSITIONS=110} [2024-11-10 14:05:46,947 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, -4 predicate places. [2024-11-10 14:05:46,950 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 110 transitions, 224 flow [2024-11-10 14:05:46,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2024-11-10 14:05:46,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:46,951 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] [2024-11-10 14:05:46,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:05:46,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:46,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:46,952 INFO L85 PathProgramCache]: Analyzing trace with hash -441198171, now seen corresponding path program 1 times [2024-11-10 14:05:46,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:46,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801620942] [2024-11-10 14:05:46,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:46,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801620942] [2024-11-10 14:05:47,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801620942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:47,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508051953] [2024-11-10 14:05:47,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 133 [2024-11-10 14:05:47,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 110 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-10 14:05:47,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 133 [2024-11-10 14:05:47,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:47,200 INFO L124 PetriNetUnfolderBase]: 213/731 cut-off events. [2024-11-10 14:05:47,200 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:05:47,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 731 events. 213/731 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4359 event pairs, 111 based on Foata normal form. 0/606 useless extension candidates. Maximal degree in co-relation 1084. Up to 283 conditions per place. [2024-11-10 14:05:47,206 INFO L140 encePairwiseOnDemand]: 127/133 looper letters, 32 selfloop transitions, 5 changer transitions 0/122 dead transitions. [2024-11-10 14:05:47,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 122 transitions, 324 flow [2024-11-10 14:05:47,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-10 14:05:47,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7944862155388471 [2024-11-10 14:05:47,213 INFO L175 Difference]: Start difference. First operand has 103 places, 110 transitions, 224 flow. Second operand 3 states and 317 transitions. [2024-11-10 14:05:47,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 122 transitions, 324 flow [2024-11-10 14:05:47,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 122 transitions, 324 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:05:47,216 INFO L231 Difference]: Finished difference. Result has 107 places, 114 transitions, 262 flow [2024-11-10 14:05:47,216 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=107, PETRI_TRANSITIONS=114} [2024-11-10 14:05:47,216 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2024-11-10 14:05:47,217 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 114 transitions, 262 flow [2024-11-10 14:05:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-10 14:05:47,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:47,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:47,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:05:47,218 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:47,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1134459703, now seen corresponding path program 1 times [2024-11-10 14:05:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666706437] [2024-11-10 14:05:47,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666706437] [2024-11-10 14:05:47,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666706437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:47,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806816072] [2024-11-10 14:05:47,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,278 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 133 [2024-11-10 14:05:47,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 114 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-10 14:05:47,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 133 [2024-11-10 14:05:47,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:47,383 INFO L124 PetriNetUnfolderBase]: 210/770 cut-off events. [2024-11-10 14:05:47,383 INFO L125 PetriNetUnfolderBase]: For 86/87 co-relation queries the response was YES. [2024-11-10 14:05:47,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1227 conditions, 770 events. 210/770 cut-off events. For 86/87 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4647 event pairs, 58 based on Foata normal form. 1/658 useless extension candidates. Maximal degree in co-relation 1222. Up to 201 conditions per place. [2024-11-10 14:05:47,387 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 38 selfloop transitions, 6 changer transitions 5/136 dead transitions. [2024-11-10 14:05:47,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 136 transitions, 415 flow [2024-11-10 14:05:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2024-11-10 14:05:47,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8220551378446115 [2024-11-10 14:05:47,389 INFO L175 Difference]: Start difference. First operand has 107 places, 114 transitions, 262 flow. Second operand 3 states and 328 transitions. [2024-11-10 14:05:47,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 136 transitions, 415 flow [2024-11-10 14:05:47,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 136 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:47,393 INFO L231 Difference]: Finished difference. Result has 109 places, 117 transitions, 298 flow [2024-11-10 14:05:47,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2024-11-10 14:05:47,394 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 2 predicate places. [2024-11-10 14:05:47,394 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 298 flow [2024-11-10 14:05:47,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2024-11-10 14:05:47,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:47,394 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] [2024-11-10 14:05:47,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:05:47,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:47,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1775187948, now seen corresponding path program 1 times [2024-11-10 14:05:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:47,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040275798] [2024-11-10 14:05:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040275798] [2024-11-10 14:05:47,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040275798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:05:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273601195] [2024-11-10 14:05:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 133 [2024-11-10 14:05:47,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2024-11-10 14:05:47,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 133 [2024-11-10 14:05:47,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:47,545 INFO L124 PetriNetUnfolderBase]: 244/831 cut-off events. [2024-11-10 14:05:47,546 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2024-11-10 14:05:47,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1458 conditions, 831 events. 244/831 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5103 event pairs, 112 based on Foata normal form. 0/711 useless extension candidates. Maximal degree in co-relation 1452. Up to 325 conditions per place. [2024-11-10 14:05:47,550 INFO L140 encePairwiseOnDemand]: 127/133 looper letters, 31 selfloop transitions, 7 changer transitions 4/129 dead transitions. [2024-11-10 14:05:47,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 129 transitions, 413 flow [2024-11-10 14:05:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2024-11-10 14:05:47,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7944862155388471 [2024-11-10 14:05:47,552 INFO L175 Difference]: Start difference. First operand has 109 places, 117 transitions, 298 flow. Second operand 3 states and 317 transitions. [2024-11-10 14:05:47,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 129 transitions, 413 flow [2024-11-10 14:05:47,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 129 transitions, 399 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:47,555 INFO L231 Difference]: Finished difference. Result has 111 places, 120 transitions, 334 flow [2024-11-10 14:05:47,556 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=111, PETRI_TRANSITIONS=120} [2024-11-10 14:05:47,556 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 4 predicate places. [2024-11-10 14:05:47,557 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 120 transitions, 334 flow [2024-11-10 14:05:47,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2024-11-10 14:05:47,557 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:47,557 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:47,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:05:47,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:47,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 597966230, now seen corresponding path program 1 times [2024-11-10 14:05:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522528164] [2024-11-10 14:05:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522528164] [2024-11-10 14:05:47,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522528164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:47,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897006835] [2024-11-10 14:05:47,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 133 [2024-11-10 14:05:47,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 120 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2024-11-10 14:05:47,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 133 [2024-11-10 14:05:47,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:47,749 INFO L124 PetriNetUnfolderBase]: 299/1168 cut-off events. [2024-11-10 14:05:47,749 INFO L125 PetriNetUnfolderBase]: For 245/248 co-relation queries the response was YES. [2024-11-10 14:05:47,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 1168 events. 299/1168 cut-off events. For 245/248 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8293 event pairs, 89 based on Foata normal form. 7/1059 useless extension candidates. Maximal degree in co-relation 2043. Up to 325 conditions per place. [2024-11-10 14:05:47,754 INFO L140 encePairwiseOnDemand]: 123/133 looper letters, 32 selfloop transitions, 5 changer transitions 1/131 dead transitions. [2024-11-10 14:05:47,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 131 transitions, 434 flow [2024-11-10 14:05:47,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2024-11-10 14:05:47,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7919799498746867 [2024-11-10 14:05:47,756 INFO L175 Difference]: Start difference. First operand has 111 places, 120 transitions, 334 flow. Second operand 3 states and 316 transitions. [2024-11-10 14:05:47,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 131 transitions, 434 flow [2024-11-10 14:05:47,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 131 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:47,760 INFO L231 Difference]: Finished difference. Result has 113 places, 124 transitions, 366 flow [2024-11-10 14:05:47,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=113, PETRI_TRANSITIONS=124} [2024-11-10 14:05:47,760 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 6 predicate places. [2024-11-10 14:05:47,760 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 124 transitions, 366 flow [2024-11-10 14:05:47,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2024-11-10 14:05:47,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:47,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:47,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:05:47,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:47,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash -853904220, now seen corresponding path program 2 times [2024-11-10 14:05:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:47,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129692893] [2024-11-10 14:05:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129692893] [2024-11-10 14:05:47,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129692893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:47,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474199401] [2024-11-10 14:05:47,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,802 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 133 [2024-11-10 14:05:47,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 124 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-10 14:05:47,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 133 [2024-11-10 14:05:47,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:47,935 INFO L124 PetriNetUnfolderBase]: 443/1859 cut-off events. [2024-11-10 14:05:47,936 INFO L125 PetriNetUnfolderBase]: For 579/644 co-relation queries the response was YES. [2024-11-10 14:05:47,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3429 conditions, 1859 events. 443/1859 cut-off events. For 579/644 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 15974 event pairs, 77 based on Foata normal form. 19/1664 useless extension candidates. Maximal degree in co-relation 3421. Up to 284 conditions per place. [2024-11-10 14:05:47,944 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 39 selfloop transitions, 3 changer transitions 0/142 dead transitions. [2024-11-10 14:05:47,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 142 transitions, 509 flow [2024-11-10 14:05:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2024-11-10 14:05:47,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8245614035087719 [2024-11-10 14:05:47,946 INFO L175 Difference]: Start difference. First operand has 113 places, 124 transitions, 366 flow. Second operand 3 states and 329 transitions. [2024-11-10 14:05:47,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 142 transitions, 509 flow [2024-11-10 14:05:47,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 142 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:47,949 INFO L231 Difference]: Finished difference. Result has 115 places, 127 transitions, 384 flow [2024-11-10 14:05:47,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=115, PETRI_TRANSITIONS=127} [2024-11-10 14:05:47,950 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 8 predicate places. [2024-11-10 14:05:47,950 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 127 transitions, 384 flow [2024-11-10 14:05:47,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-10 14:05:47,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:47,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:47,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:05:47,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:47,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2060502876, now seen corresponding path program 3 times [2024-11-10 14:05:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:47,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8285989] [2024-11-10 14:05:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:47,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:47,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8285989] [2024-11-10 14:05:47,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8285989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:47,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:47,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:47,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137656324] [2024-11-10 14:05:47,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:47,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:47,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:47,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:47,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 133 [2024-11-10 14:05:47,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 127 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2024-11-10 14:05:47,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:47,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 133 [2024-11-10 14:05:47,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:48,161 INFO L124 PetriNetUnfolderBase]: 435/1927 cut-off events. [2024-11-10 14:05:48,161 INFO L125 PetriNetUnfolderBase]: For 613/676 co-relation queries the response was YES. [2024-11-10 14:05:48,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3701 conditions, 1927 events. 435/1927 cut-off events. For 613/676 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16807 event pairs, 132 based on Foata normal form. 38/1787 useless extension candidates. Maximal degree in co-relation 3692. Up to 508 conditions per place. [2024-11-10 14:05:48,169 INFO L140 encePairwiseOnDemand]: 123/133 looper letters, 32 selfloop transitions, 5 changer transitions 8/139 dead transitions. [2024-11-10 14:05:48,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 139 transitions, 513 flow [2024-11-10 14:05:48,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2024-11-10 14:05:48,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7919799498746867 [2024-11-10 14:05:48,170 INFO L175 Difference]: Start difference. First operand has 115 places, 127 transitions, 384 flow. Second operand 3 states and 316 transitions. [2024-11-10 14:05:48,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 139 transitions, 513 flow [2024-11-10 14:05:48,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 139 transitions, 505 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:48,174 INFO L231 Difference]: Finished difference. Result has 117 places, 125 transitions, 402 flow [2024-11-10 14:05:48,174 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=117, PETRI_TRANSITIONS=125} [2024-11-10 14:05:48,175 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 10 predicate places. [2024-11-10 14:05:48,176 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 125 transitions, 402 flow [2024-11-10 14:05:48,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2024-11-10 14:05:48,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:48,176 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:48,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:05:48,177 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:48,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:48,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1364475890, now seen corresponding path program 4 times [2024-11-10 14:05:48,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:48,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290865997] [2024-11-10 14:05:48,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:48,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:48,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:48,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290865997] [2024-11-10 14:05:48,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290865997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:48,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:48,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:48,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622364504] [2024-11-10 14:05:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:48,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:48,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:48,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:48,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:48,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 133 [2024-11-10 14:05:48,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 125 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-10 14:05:48,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:48,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 133 [2024-11-10 14:05:48,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:48,359 INFO L124 PetriNetUnfolderBase]: 325/1698 cut-off events. [2024-11-10 14:05:48,359 INFO L125 PetriNetUnfolderBase]: For 873/963 co-relation queries the response was YES. [2024-11-10 14:05:48,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3399 conditions, 1698 events. 325/1698 cut-off events. For 873/963 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 14942 event pairs, 65 based on Foata normal form. 32/1570 useless extension candidates. Maximal degree in co-relation 3389. Up to 234 conditions per place. [2024-11-10 14:05:48,366 INFO L140 encePairwiseOnDemand]: 129/133 looper letters, 42 selfloop transitions, 3 changer transitions 6/142 dead transitions. [2024-11-10 14:05:48,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 142 transitions, 569 flow [2024-11-10 14:05:48,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2024-11-10 14:05:48,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8220551378446115 [2024-11-10 14:05:48,367 INFO L175 Difference]: Start difference. First operand has 117 places, 125 transitions, 402 flow. Second operand 3 states and 328 transitions. [2024-11-10 14:05:48,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 142 transitions, 569 flow [2024-11-10 14:05:48,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 142 transitions, 549 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:48,371 INFO L231 Difference]: Finished difference. Result has 119 places, 120 transitions, 398 flow [2024-11-10 14:05:48,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=119, PETRI_TRANSITIONS=120} [2024-11-10 14:05:48,372 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 12 predicate places. [2024-11-10 14:05:48,372 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 120 transitions, 398 flow [2024-11-10 14:05:48,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-11-10 14:05:48,372 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:48,372 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] [2024-11-10 14:05:48,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:05:48,373 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:48,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2077749215, now seen corresponding path program 1 times [2024-11-10 14:05:48,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:48,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184932783] [2024-11-10 14:05:48,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:48,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:48,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:48,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184932783] [2024-11-10 14:05:48,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184932783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:48,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:48,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:48,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656186183] [2024-11-10 14:05:48,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:48,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:48,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:48,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:48,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:48,442 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 133 [2024-11-10 14:05:48,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 120 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-10 14:05:48,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:48,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 133 [2024-11-10 14:05:48,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:48,610 INFO L124 PetriNetUnfolderBase]: 235/1220 cut-off events. [2024-11-10 14:05:48,610 INFO L125 PetriNetUnfolderBase]: For 522/565 co-relation queries the response was YES. [2024-11-10 14:05:48,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2432 conditions, 1220 events. 235/1220 cut-off events. For 522/565 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 9449 event pairs, 40 based on Foata normal form. 6/1129 useless extension candidates. Maximal degree in co-relation 2421. Up to 199 conditions per place. [2024-11-10 14:05:48,615 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 34 selfloop transitions, 4 changer transitions 7/135 dead transitions. [2024-11-10 14:05:48,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 135 transitions, 549 flow [2024-11-10 14:05:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2024-11-10 14:05:48,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8195488721804511 [2024-11-10 14:05:48,617 INFO L175 Difference]: Start difference. First operand has 119 places, 120 transitions, 398 flow. Second operand 3 states and 327 transitions. [2024-11-10 14:05:48,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 135 transitions, 549 flow [2024-11-10 14:05:48,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 135 transitions, 529 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-10 14:05:48,621 INFO L231 Difference]: Finished difference. Result has 116 places, 117 transitions, 392 flow [2024-11-10 14:05:48,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=116, PETRI_TRANSITIONS=117} [2024-11-10 14:05:48,622 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 9 predicate places. [2024-11-10 14:05:48,622 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 117 transitions, 392 flow [2024-11-10 14:05:48,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-10 14:05:48,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:05:48,623 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] [2024-11-10 14:05:48,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:05:48,624 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-10 14:05:48,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:05:48,625 INFO L85 PathProgramCache]: Analyzing trace with hash -165392415, now seen corresponding path program 1 times [2024-11-10 14:05:48,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:05:48,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607952021] [2024-11-10 14:05:48,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:05:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:05:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:05:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:05:48,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:05:48,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607952021] [2024-11-10 14:05:48,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607952021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:05:48,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:05:48,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:05:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16819719] [2024-11-10 14:05:48,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:05:48,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:05:48,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:05:48,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:05:48,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:05:48,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 133 [2024-11-10 14:05:48,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 117 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-10 14:05:48,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:05:48,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 133 [2024-11-10 14:05:48,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:05:48,778 INFO L124 PetriNetUnfolderBase]: 169/844 cut-off events. [2024-11-10 14:05:48,778 INFO L125 PetriNetUnfolderBase]: For 415/439 co-relation queries the response was YES. [2024-11-10 14:05:48,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1774 conditions, 844 events. 169/844 cut-off events. For 415/439 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 5613 event pairs, 39 based on Foata normal form. 7/805 useless extension candidates. Maximal degree in co-relation 1762. Up to 162 conditions per place. [2024-11-10 14:05:48,781 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 0 selfloop transitions, 0 changer transitions 118/118 dead transitions. [2024-11-10 14:05:48,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 118 transitions, 480 flow [2024-11-10 14:05:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:05:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:05:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2024-11-10 14:05:48,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8145363408521303 [2024-11-10 14:05:48,783 INFO L175 Difference]: Start difference. First operand has 116 places, 117 transitions, 392 flow. Second operand 3 states and 325 transitions. [2024-11-10 14:05:48,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 118 transitions, 480 flow [2024-11-10 14:05:48,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 118 transitions, 442 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-10 14:05:48,785 INFO L231 Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow [2024-11-10 14:05:48,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0} [2024-11-10 14:05:48,786 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 0 predicate places. [2024-11-10 14:05:48,786 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow [2024-11-10 14:05:48,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2024-11-10 14:05:48,788 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-10 14:05:48,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-10 14:05:48,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-10 14:05:48,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-10 14:05:48,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-10 14:05:48,789 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-10 14:05:48,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-10 14:05:48,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-10 14:05:48,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-10 14:05:48,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-10 14:05:48,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:05:48,790 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2024-11-10 14:05:48,798 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:05:48,798 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:05:48,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:05:48 BasicIcfg [2024-11-10 14:05:48,803 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:05:48,804 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:05:48,804 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:05:48,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:05:48,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:05:46" (3/4) ... [2024-11-10 14:05:48,806 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:05:48,808 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-10 14:05:48,808 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-10 14:05:48,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 14:05:48,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:05:48,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:05:48,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:05:48,867 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:05:48,868 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:05:48,868 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:05:48,868 INFO L158 Benchmark]: Toolchain (without parser) took 3585.03ms. Allocated memory was 159.4MB in the beginning and 316.7MB in the end (delta: 157.3MB). Free memory was 129.4MB in the beginning and 207.7MB in the end (delta: -78.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,869 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:05:48,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.31ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 129.2MB in the beginning and 202.9MB in the end (delta: -73.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.01ms. Allocated memory is still 251.7MB. Free memory was 202.9MB in the beginning and 200.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,869 INFO L158 Benchmark]: Boogie Preprocessor took 24.11ms. Allocated memory is still 251.7MB. Free memory was 200.8MB in the beginning and 198.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,869 INFO L158 Benchmark]: IcfgBuilder took 373.74ms. Allocated memory is still 251.7MB. Free memory was 198.7MB in the beginning and 181.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,870 INFO L158 Benchmark]: TraceAbstraction took 2597.40ms. Allocated memory was 251.7MB in the beginning and 316.7MB in the end (delta: 65.0MB). Free memory was 181.9MB in the beginning and 211.9MB in the end (delta: -30.0MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,870 INFO L158 Benchmark]: Witness Printer took 64.20ms. Allocated memory is still 316.7MB. Free memory was 211.9MB in the beginning and 207.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:05:48,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.31ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 129.2MB in the beginning and 202.9MB in the end (delta: -73.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.01ms. Allocated memory is still 251.7MB. Free memory was 202.9MB in the beginning and 200.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.11ms. Allocated memory is still 251.7MB. Free memory was 200.8MB in the beginning and 198.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 373.74ms. Allocated memory is still 251.7MB. Free memory was 198.7MB in the beginning and 181.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2597.40ms. Allocated memory was 251.7MB in the beginning and 316.7MB in the end (delta: 65.0MB). Free memory was 181.9MB in the beginning and 211.9MB in the end (delta: -30.0MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Witness Printer took 64.20ms. Allocated memory is still 316.7MB. Free memory was 211.9MB in the beginning and 207.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: 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, 184 locations, 10 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: 2.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 233 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 519 IncrementalHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 28 mSDtfsCounter, 519 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=7, InterpolantAutomatonStates: 29, 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, 0.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 428 ConstructedInterpolants, 0 QuantifiedInterpolants, 528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:05:48,892 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