./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-theta/unwind2-100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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-theta/unwind2-100.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 7857262d4d8d027aa598d94064d6edf426fece06c8ec09601338aa41711d7f37 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:07:25,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:07:25,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:07:25,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:07:25,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:07:25,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:07:25,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:07:25,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:07:25,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:07:25,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:07:25,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:07:25,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:07:25,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:07:25,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:07:25,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:07:25,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:07:25,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:07:25,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:07:25,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:07:25,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:07:25,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:07:25,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:07:25,812 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:07:25,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:07:25,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:07:25,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:07:25,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:07:25,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:07:25,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:07:25,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:07:25,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:07:25,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:07:25,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:07:25,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:07:25,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:07:25,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:07:25,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7857262d4d8d027aa598d94064d6edf426fece06c8ec09601338aa41711d7f37 [2024-11-19 06:07:26,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:07:26,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:07:26,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:07:26,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:07:26,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:07:26,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-theta/unwind2-100.i [2024-11-19 06:07:27,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:07:27,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:07:27,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind2-100.i [2024-11-19 06:07:27,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36e837e6/20b44439adbc4b799a508b5edcd90786/FLAG0d845fac4 [2024-11-19 06:07:27,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36e837e6/20b44439adbc4b799a508b5edcd90786 [2024-11-19 06:07:27,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:07:27,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:07:27,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:07:27,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:07:27,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:07:27,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:07:27" (1/1) ... [2024-11-19 06:07:27,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215ddbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:27, skipping insertion in model container [2024-11-19 06:07:27,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:07:27" (1/1) ... [2024-11-19 06:07:27,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:07:28,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:07:28,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:07:28,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:07:28,097 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:07:28,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28 WrapperNode [2024-11-19 06:07:28,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:07:28,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:07:28,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:07:28,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:07:28,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,133 INFO L138 Inliner]: procedures = 169, calls = 12, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 101 [2024-11-19 06:07:28,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:07:28,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:07:28,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:07:28,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:07:28,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:07:28,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:07:28,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:07:28,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:07:28,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (1/1) ... [2024-11-19 06:07:28,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:07:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:07:28,207 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) [2024-11-19 06:07:28,210 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 [2024-11-19 06:07:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:07:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-19 06:07:28,251 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-19 06:07:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-19 06:07:28,252 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-19 06:07:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:07:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:07:28,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:07:28,253 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:07:28,382 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:07:28,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:07:28,577 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:07:28,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:07:28,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:07:28,592 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 06:07:28,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:07:28 BoogieIcfgContainer [2024-11-19 06:07:28,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:07:28,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:07:28,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:07:28,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:07:28,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:07:27" (1/3) ... [2024-11-19 06:07:28,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0a28a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:07:28, skipping insertion in model container [2024-11-19 06:07:28,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:07:28" (2/3) ... [2024-11-19 06:07:28,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0a28a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:07:28, skipping insertion in model container [2024-11-19 06:07:28,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:07:28" (3/3) ... [2024-11-19 06:07:28,601 INFO L112 eAbstractionObserver]: Analyzing ICFG unwind2-100.i [2024-11-19 06:07:28,616 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:07:28,617 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-19 06:07:28,617 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:07:28,690 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 06:07:28,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 119 transitions, 252 flow [2024-11-19 06:07:28,779 INFO L124 PetriNetUnfolderBase]: 10/117 cut-off events. [2024-11-19 06:07:28,780 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 06:07:28,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 10/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2024-11-19 06:07:28,785 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 119 transitions, 252 flow [2024-11-19 06:07:28,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 112 transitions, 233 flow [2024-11-19 06:07:28,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:07:28,801 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;@783cbea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:07:28,801 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-19 06:07:28,805 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:07:28,805 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-19 06:07:28,805 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:07:28,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:07:28,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:07:28,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:07:28,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:07:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1799098461, now seen corresponding path program 1 times [2024-11-19 06:07:28,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:07:28,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016831576] [2024-11-19 06:07:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:07:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:07:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:07:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:07:29,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:07:29,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016831576] [2024-11-19 06:07:29,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016831576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:07:29,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:07:29,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:07:29,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212125519] [2024-11-19 06:07:29,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:07:29,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:07:29,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:07:29,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:07:29,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:07:29,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2024-11-19 06:07:29,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 112 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2024-11-19 06:07:29,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:07:29,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2024-11-19 06:07:29,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:07:29,113 INFO L124 PetriNetUnfolderBase]: 8/150 cut-off events. [2024-11-19 06:07:29,113 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-19 06:07:29,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 150 events. 8/150 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 366 event pairs, 3 based on Foata normal form. 16/149 useless extension candidates. Maximal degree in co-relation 119. Up to 17 conditions per place. [2024-11-19 06:07:29,116 INFO L140 encePairwiseOnDemand]: 109/119 looper letters, 10 selfloop transitions, 2 changer transitions 1/100 dead transitions. [2024-11-19 06:07:29,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 233 flow [2024-11-19 06:07:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:07:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:07:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-11-19 06:07:29,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8543417366946778 [2024-11-19 06:07:29,131 INFO L175 Difference]: Start difference. First operand has 109 places, 112 transitions, 233 flow. Second operand 3 states and 305 transitions. [2024-11-19 06:07:29,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 233 flow [2024-11-19 06:07:29,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 06:07:29,136 INFO L231 Difference]: Finished difference. Result has 103 places, 99 transitions, 206 flow [2024-11-19 06:07:29,138 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=103, PETRI_TRANSITIONS=99} [2024-11-19 06:07:29,141 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -6 predicate places. [2024-11-19 06:07:29,143 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 206 flow [2024-11-19 06:07:29,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 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) [2024-11-19 06:07:29,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:07:29,144 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:07:29,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:07:29,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-19 06:07:29,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:07:29,147 INFO L85 PathProgramCache]: Analyzing trace with hash 45636316, now seen corresponding path program 1 times [2024-11-19 06:07:29,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:07:29,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087704755] [2024-11-19 06:07:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:07:29,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:07:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:07:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:07:29,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:07:29,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087704755] [2024-11-19 06:07:29,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087704755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:07:29,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:07:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:07:29,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065291952] [2024-11-19 06:07:29,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:07:29,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:07:29,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:07:29,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:07:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:07:29,251 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 119 [2024-11-19 06:07:29,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2024-11-19 06:07:29,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:07:29,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 119 [2024-11-19 06:07:29,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:07:29,280 INFO L124 PetriNetUnfolderBase]: 16/211 cut-off events. [2024-11-19 06:07:29,280 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:07:29,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 211 events. 16/211 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 658 event pairs, 8 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 230. Up to 27 conditions per place. [2024-11-19 06:07:29,281 INFO L140 encePairwiseOnDemand]: 114/119 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2024-11-19 06:07:29,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 222 flow [2024-11-19 06:07:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:07:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:07:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2024-11-19 06:07:29,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8263305322128851 [2024-11-19 06:07:29,284 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 206 flow. Second operand 3 states and 295 transitions. [2024-11-19 06:07:29,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 222 flow [2024-11-19 06:07:29,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:07:29,285 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-11-19 06:07:29,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-11-19 06:07:29,286 INFO L277 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2024-11-19 06:07:29,286 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-11-19 06:07:29,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2024-11-19 06:07:29,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-19 06:07:29,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-19 06:07:29,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-19 06:07:29,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:07:29,297 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 06:07:29,302 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 06:07:29,302 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 06:07:29,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:07:29 BasicIcfg [2024-11-19 06:07:29,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 06:07:29,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 06:07:29,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 06:07:29,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 06:07:29,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:07:28" (3/4) ... [2024-11-19 06:07:29,313 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 06:07:29,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-19 06:07:29,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-19 06:07:29,321 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-19 06:07:29,322 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 06:07:29,323 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 06:07:29,323 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 06:07:29,396 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 06:07:29,396 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 06:07:29,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 06:07:29,397 INFO L158 Benchmark]: Toolchain (without parser) took 1738.34ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 67.4MB in the end (delta: 48.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,399 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 06:07:29,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.27ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 92.8MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 159.4MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,400 INFO L158 Benchmark]: Boogie Preprocessor took 36.44ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 89.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,400 INFO L158 Benchmark]: RCFGBuilder took 420.93ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 126.9MB in the end (delta: -37.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,400 INFO L158 Benchmark]: TraceAbstraction took 716.26ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 71.6MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,400 INFO L158 Benchmark]: Witness Printer took 85.60ms. Allocated memory is still 159.4MB. Free memory was 71.6MB in the beginning and 67.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 06:07:29,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.27ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 92.8MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 159.4MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.44ms. Allocated memory is still 159.4MB. Free memory was 90.7MB in the beginning and 89.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.93ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 126.9MB in the end (delta: -37.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 716.26ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 71.6MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 85.60ms. Allocated memory is still 159.4MB. Free memory was 71.6MB in the beginning and 67.4MB 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: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: 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: 767]: 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, 168 locations, 9 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 06:07:29,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE