./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/dekker.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 07d1abd007d632a3b4dac260b28d2ba8a005f15955283342b1ec38e7417e11f4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:08:24,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:08:24,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:08:24,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:08:24,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:08:24,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:08:24,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:08:24,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:08:24,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:08:24,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:08:24,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:08:24,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:08:24,272 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:08:24,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:08:24,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:08:24,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:08:24,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:08:24,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:08:24,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:08:24,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:08:24,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:08:24,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:08:24,276 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:08:24,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:08:24,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:08:24,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:08:24,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:08:24,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:08:24,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:08:24,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:08:24,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:08:24,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:08:24,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:08:24,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:08:24,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:08:24,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:08:24,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:08:24,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:08:24,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:08:24,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:08:24,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:08:24,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d1abd007d632a3b4dac260b28d2ba8a005f15955283342b1ec38e7417e11f4 [2024-11-12 12:08:24,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:08:24,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:08:24,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:08:24,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:08:24,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:08:24,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/dekker.i [2024-11-12 12:08:26,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:08:26,402 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:08:26,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2024-11-12 12:08:26,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51171eaa4/b14825b5917b48988728306d50996f43/FLAG439fa5b39 [2024-11-12 12:08:26,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51171eaa4/b14825b5917b48988728306d50996f43 [2024-11-12 12:08:26,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:08:26,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:08:26,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:08:26,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:08:26,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:08:26,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:26" (1/1) ... [2024-11-12 12:08:26,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5042b437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:26, skipping insertion in model container [2024-11-12 12:08:26,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:26" (1/1) ... [2024-11-12 12:08:26,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:08:27,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:08:27,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:08:27,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:08:27,128 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:08:27,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27 WrapperNode [2024-11-12 12:08:27,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:08:27,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:08:27,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:08:27,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:08:27,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,185 INFO L138 Inliner]: procedures = 167, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-12 12:08:27,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:08:27,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:08:27,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:08:27,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:08:27,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:08:27,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:08:27,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:08:27,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:08:27,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (1/1) ... [2024-11-12 12:08:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:08:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:08:27,263 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) [2024-11-12 12:08:27,266 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 [2024-11-12 12:08:27,325 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-12 12:08:27,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-12 12:08:27,326 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-12 12:08:27,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-12 12:08:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:08:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:08:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:08:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:08:27,329 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:08:27,523 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:08:27,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:08:27,761 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:08:27,764 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:08:27,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:08:27,785 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 12:08:27,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:27 BoogieIcfgContainer [2024-11-12 12:08:27,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:08:27,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:08:27,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:08:27,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:08:27,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:26" (1/3) ... [2024-11-12 12:08:27,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93fc2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:27, skipping insertion in model container [2024-11-12 12:08:27,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:27" (2/3) ... [2024-11-12 12:08:27,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93fc2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:27, skipping insertion in model container [2024-11-12 12:08:27,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:27" (3/3) ... [2024-11-12 12:08:27,796 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2024-11-12 12:08:27,812 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:08:27,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-12 12:08:27,812 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:08:27,868 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:08:27,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 106 transitions, 226 flow [2024-11-12 12:08:27,946 INFO L124 PetriNetUnfolderBase]: 15/104 cut-off events. [2024-11-12 12:08:27,946 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:08:27,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 104 events. 15/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 146 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 74. Up to 3 conditions per place. [2024-11-12 12:08:27,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 106 transitions, 226 flow [2024-11-12 12:08:27,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 99 transitions, 207 flow [2024-11-12 12:08:27,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:08:27,975 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;@22cf45d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:08:27,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-12 12:08:27,996 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:08:28,000 INFO L124 PetriNetUnfolderBase]: 6/47 cut-off events. [2024-11-12 12:08:28,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:08:28,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:28,002 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:28,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-12 12:08:28,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:28,010 INFO L85 PathProgramCache]: Analyzing trace with hash 296253669, now seen corresponding path program 1 times [2024-11-12 12:08:28,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:28,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269535829] [2024-11-12 12:08:28,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:28,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:28,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:28,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269535829] [2024-11-12 12:08:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269535829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:28,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:08:28,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73918478] [2024-11-12 12:08:28,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:28,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:08:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:28,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:08:28,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:08:28,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-12 12:08:28,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-12 12:08:28,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:28,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-12 12:08:28,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:28,501 INFO L124 PetriNetUnfolderBase]: 26/186 cut-off events. [2024-11-12 12:08:28,503 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-12 12:08:28,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 186 events. 26/186 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 719 event pairs, 11 based on Foata normal form. 48/206 useless extension candidates. Maximal degree in co-relation 215. Up to 42 conditions per place. [2024-11-12 12:08:28,508 INFO L140 encePairwiseOnDemand]: 91/106 looper letters, 11 selfloop transitions, 5 changer transitions 1/93 dead transitions. [2024-11-12 12:08:28,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 93 transitions, 230 flow [2024-11-12 12:08:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:08:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:08:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-12 12:08:28,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8962264150943396 [2024-11-12 12:08:28,527 INFO L175 Difference]: Start difference. First operand has 91 places, 99 transitions, 207 flow. Second operand 3 states and 285 transitions. [2024-11-12 12:08:28,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 93 transitions, 230 flow [2024-11-12 12:08:28,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:08:28,540 INFO L231 Difference]: Finished difference. Result has 90 places, 91 transitions, 216 flow [2024-11-12 12:08:28,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=90, PETRI_TRANSITIONS=91} [2024-11-12 12:08:28,548 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places. [2024-11-12 12:08:28,551 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 216 flow [2024-11-12 12:08:28,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-12 12:08:28,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:28,552 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:28,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:08:28,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-12 12:08:28,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash -464387552, now seen corresponding path program 1 times [2024-11-12 12:08:28,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:28,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825933821] [2024-11-12 12:08:28,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:28,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:28,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825933821] [2024-11-12 12:08:28,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825933821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:28,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:28,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:08:28,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656483291] [2024-11-12 12:08:28,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:28,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:08:28,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:28,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:08:28,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:08:28,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-12 12:08:28,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-12 12:08:28,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:28,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-12 12:08:28,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:28,843 INFO L124 PetriNetUnfolderBase]: 31/257 cut-off events. [2024-11-12 12:08:28,844 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:08:28,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 257 events. 31/257 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1185 event pairs, 6 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 322. Up to 46 conditions per place. [2024-11-12 12:08:28,846 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 12 selfloop transitions, 6 changer transitions 3/99 dead transitions. [2024-11-12 12:08:28,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 99 transitions, 285 flow [2024-11-12 12:08:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:08:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:08:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-12 12:08:28,850 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8679245283018868 [2024-11-12 12:08:28,850 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 216 flow. Second operand 3 states and 276 transitions. [2024-11-12 12:08:28,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 99 transitions, 285 flow [2024-11-12 12:08:28,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 99 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:08:28,854 INFO L231 Difference]: Finished difference. Result has 91 places, 94 transitions, 252 flow [2024-11-12 12:08:28,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=91, PETRI_TRANSITIONS=94} [2024-11-12 12:08:28,855 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2024-11-12 12:08:28,855 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 94 transitions, 252 flow [2024-11-12 12:08:28,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2024-11-12 12:08:28,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:28,856 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:28,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:08:28,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-12 12:08:28,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:28,857 INFO L85 PathProgramCache]: Analyzing trace with hash 38930009, now seen corresponding path program 1 times [2024-11-12 12:08:28,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:28,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350484121] [2024-11-12 12:08:28,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:28,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:28,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:28,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350484121] [2024-11-12 12:08:28,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350484121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:28,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:28,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:08:28,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035274547] [2024-11-12 12:08:28,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:28,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:08:28,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:28,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:08:28,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:08:28,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-12 12:08:28,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 94 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-12 12:08:28,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:28,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-12 12:08:28,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:29,042 INFO L124 PetriNetUnfolderBase]: 43/315 cut-off events. [2024-11-12 12:08:29,042 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-12 12:08:29,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 315 events. 43/315 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1630 event pairs, 12 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 487. Up to 68 conditions per place. [2024-11-12 12:08:29,047 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 12 selfloop transitions, 7 changer transitions 2/99 dead transitions. [2024-11-12 12:08:29,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 99 transitions, 311 flow [2024-11-12 12:08:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:08:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:08:29,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-12 12:08:29,050 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-12 12:08:29,050 INFO L175 Difference]: Start difference. First operand has 91 places, 94 transitions, 252 flow. Second operand 3 states and 272 transitions. [2024-11-12 12:08:29,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 99 transitions, 311 flow [2024-11-12 12:08:29,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 99 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:08:29,057 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 288 flow [2024-11-12 12:08:29,058 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2024-11-12 12:08:29,059 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2024-11-12 12:08:29,060 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 288 flow [2024-11-12 12:08:29,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) [2024-11-12 12:08:29,060 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:29,060 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:29,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:08:29,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-12 12:08:29,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash -658135422, now seen corresponding path program 1 times [2024-11-12 12:08:29,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:29,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988944942] [2024-11-12 12:08:29,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:29,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:29,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988944942] [2024-11-12 12:08:29,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988944942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:29,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:29,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:08:29,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659414756] [2024-11-12 12:08:29,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:29,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:08:29,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:29,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:08:29,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:08:29,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2024-11-12 12:08:29,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-12 12:08:29,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:29,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2024-11-12 12:08:29,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:29,210 INFO L124 PetriNetUnfolderBase]: 38/332 cut-off events. [2024-11-12 12:08:29,210 INFO L125 PetriNetUnfolderBase]: For 96/102 co-relation queries the response was YES. [2024-11-12 12:08:29,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 332 events. 38/332 cut-off events. For 96/102 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1732 event pairs, 8 based on Foata normal form. 1/299 useless extension candidates. Maximal degree in co-relation 501. Up to 45 conditions per place. [2024-11-12 12:08:29,213 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 6 selfloop transitions, 4 changer transitions 0/98 dead transitions. [2024-11-12 12:08:29,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 98 transitions, 311 flow [2024-11-12 12:08:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:08:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:08:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-12 12:08:29,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-12 12:08:29,216 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 288 flow. Second operand 3 states and 272 transitions. [2024-11-12 12:08:29,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 98 transitions, 311 flow [2024-11-12 12:08:29,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 98 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:08:29,224 INFO L231 Difference]: Finished difference. Result has 94 places, 97 transitions, 288 flow [2024-11-12 12:08:29,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=94, PETRI_TRANSITIONS=97} [2024-11-12 12:08:29,225 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 3 predicate places. [2024-11-12 12:08:29,225 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 97 transitions, 288 flow [2024-11-12 12:08:29,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-12 12:08:29,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:08:29,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:08:29,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:08:29,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-12 12:08:29,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:08:29,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1685466946, now seen corresponding path program 2 times [2024-11-12 12:08:29,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:08:29,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688587141] [2024-11-12 12:08:29,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:08:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:08:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:08:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:08:29,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:08:29,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688587141] [2024-11-12 12:08:29,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688587141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:08:29,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:08:29,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:08:29,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819053697] [2024-11-12 12:08:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:08:29,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:08:29,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:08:29,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:08:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:08:29,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2024-11-12 12:08:29,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-12 12:08:29,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:08:29,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2024-11-12 12:08:29,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:08:29,368 INFO L124 PetriNetUnfolderBase]: 22/175 cut-off events. [2024-11-12 12:08:29,369 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-12 12:08:29,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 175 events. 22/175 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 460 event pairs, 5 based on Foata normal form. 2/161 useless extension candidates. Maximal degree in co-relation 188. Up to 18 conditions per place. [2024-11-12 12:08:29,370 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-11-12 12:08:29,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 254 flow [2024-11-12 12:08:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:08:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:08:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-12 12:08:29,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-12 12:08:29,373 INFO L175 Difference]: Start difference. First operand has 94 places, 97 transitions, 288 flow. Second operand 3 states and 272 transitions. [2024-11-12 12:08:29,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 254 flow [2024-11-12 12:08:29,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 86 transitions, 216 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-12 12:08:29,377 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-12 12:08:29,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-12 12:08:29,378 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places. [2024-11-12 12:08:29,379 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-12 12:08:29,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2024-11-12 12:08:29,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-12 12:08:29,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-12 12:08:29,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-12 12:08:29,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-12 12:08:29,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-12 12:08:29,383 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-12 12:08:29,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-12 12:08:29,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-12 12:08:29,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-12 12:08:29,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-12 12:08:29,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:08:29,397 INFO L421 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-12 12:08:29,405 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:08:29,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:08:29,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:29 BasicIcfg [2024-11-12 12:08:29,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:08:29,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:08:29,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:08:29,416 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:08:29,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:27" (3/4) ... [2024-11-12 12:08:29,420 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:08:29,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-12 12:08:29,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-12 12:08:29,427 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-12 12:08:29,429 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:08:29,430 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:08:29,430 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:08:29,531 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:08:29,532 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:08:29,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:08:29,533 INFO L158 Benchmark]: Toolchain (without parser) took 3087.21ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 105.4MB in the beginning and 167.3MB in the end (delta: -61.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:08:29,534 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:08:29,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.12ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 119.4MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.03ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 117.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,535 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 116.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,536 INFO L158 Benchmark]: RCFGBuilder took 566.83ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 101.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,537 INFO L158 Benchmark]: TraceAbstraction took 1627.51ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 172.4MB in the end (delta: -71.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,537 INFO L158 Benchmark]: Witness Printer took 116.66ms. Allocated memory is still 205.5MB. Free memory was 172.4MB in the beginning and 167.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:08:29,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.12ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 119.4MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.03ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 117.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 159.4MB. Free memory was 117.4MB in the beginning and 116.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.83ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 101.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1627.51ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 172.4MB in the end (delta: -71.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Witness Printer took 116.66ms. Allocated memory is still 205.5MB. Free memory was 172.4MB in the beginning and 167.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 774]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: 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, 146 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-11-12 12:08:29,570 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