./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-figure1.wvr.c --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/weaver/popl20-figure1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash facd7612076746f2d167aef7303c13ba7b66236eba7a99773acf1e3861338848 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:39:19,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:39:19,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:39:19,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:39:19,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:39:19,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:39:19,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:39:19,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:39:19,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:39:19,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:39:19,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:39:19,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:39:19,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:39:19,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:39:19,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:39:19,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:39:19,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:39:19,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:39:19,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:39:19,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:39:19,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:39:19,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:39:19,828 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:39:19,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:39:19,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:39:19,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:39:19,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:39:19,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:39:19,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:39:19,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:39:19,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:39:19,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:19,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:39:19,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:39:19,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:39:19,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:39:19,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:39:19,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:39:19,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:39:19,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:39:19,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:39:19,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> facd7612076746f2d167aef7303c13ba7b66236eba7a99773acf1e3861338848 [2024-11-12 12:39:20,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:39:20,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:39:20,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:39:20,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:39:20,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:39:20,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2024-11-12 12:39:21,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:39:21,454 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:39:21,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2024-11-12 12:39:21,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4991ab45/bf400798bf59487da6864defff258b60/FLAGb549bb4f1 [2024-11-12 12:39:21,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4991ab45/bf400798bf59487da6864defff258b60 [2024-11-12 12:39:21,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:39:21,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:39:21,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:21,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:39:21,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:39:21,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3630ac00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21, skipping insertion in model container [2024-11-12 12:39:21,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:39:21,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:21,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:39:21,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:21,729 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:39:21,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21 WrapperNode [2024-11-12 12:39:21,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:21,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:21,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:39:21,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:39:21,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,776 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-12 12:39:21,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:21,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:39:21,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:39:21,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:39:21,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:39:21,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:39:21,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:39:21,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:39:21,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (1/1) ... [2024-11-12 12:39:21,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:39:21,835 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 12:39:21,838 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 12:39:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:39:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:39:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:39:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:39:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:39:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:39:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:39:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:39:21,882 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 12:39:21,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:39:21,961 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:39:22,126 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:39:22,126 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:39:22,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:39:22,149 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 12:39:22,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:22 BoogieIcfgContainer [2024-11-12 12:39:22,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:39:22,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:39:22,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:39:22,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:39:22,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:39:21" (1/3) ... [2024-11-12 12:39:22,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f92a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:22, skipping insertion in model container [2024-11-12 12:39:22,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:21" (2/3) ... [2024-11-12 12:39:22,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f92a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:22, skipping insertion in model container [2024-11-12 12:39:22,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:22" (3/3) ... [2024-11-12 12:39:22,159 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1.wvr.c [2024-11-12 12:39:22,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:39:22,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-12 12:39:22,173 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:39:22,241 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 12:39:22,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 93 transitions, 200 flow [2024-11-12 12:39:22,312 INFO L124 PetriNetUnfolderBase]: 6/91 cut-off events. [2024-11-12 12:39:22,313 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:39:22,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 91 events. 6/91 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2024-11-12 12:39:22,317 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 93 transitions, 200 flow [2024-11-12 12:39:22,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 74 transitions, 157 flow [2024-11-12 12:39:22,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:39:22,335 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;@62584526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:39:22,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-12 12:39:22,340 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:39:22,340 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-12 12:39:22,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:39:22,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:22,341 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:22,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-12 12:39:22,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:22,350 INFO L85 PathProgramCache]: Analyzing trace with hash 737513254, now seen corresponding path program 1 times [2024-11-12 12:39:22,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:22,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585953355] [2024-11-12 12:39:22,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:22,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:22,507 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 12:39:22,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:22,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585953355] [2024-11-12 12:39:22,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585953355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:22,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:22,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:22,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318165790] [2024-11-12 12:39:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:22,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:22,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:22,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:22,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:22,573 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 93 [2024-11-12 12:39:22,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 12:39:22,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:22,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 93 [2024-11-12 12:39:22,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:22,637 INFO L124 PetriNetUnfolderBase]: 13/122 cut-off events. [2024-11-12 12:39:22,637 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-12 12:39:22,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 122 events. 13/122 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 309 event pairs, 8 based on Foata normal form. 2/110 useless extension candidates. Maximal degree in co-relation 119. Up to 30 conditions per place. [2024-11-12 12:39:22,640 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 10 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2024-11-12 12:39:22,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 70 transitions, 173 flow [2024-11-12 12:39:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2024-11-12 12:39:22,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8422939068100358 [2024-11-12 12:39:22,655 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 157 flow. Second operand 3 states and 235 transitions. [2024-11-12 12:39:22,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 70 transitions, 173 flow [2024-11-12 12:39:22,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 70 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:39:22,660 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 148 flow [2024-11-12 12:39:22,663 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2024-11-12 12:39:22,666 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -2 predicate places. [2024-11-12 12:39:22,666 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 148 flow [2024-11-12 12:39:22,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 12:39:22,667 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:22,667 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] [2024-11-12 12:39:22,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:39:22,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-12 12:39:22,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:22,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1027991668, now seen corresponding path program 1 times [2024-11-12 12:39:22,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:22,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299541733] [2024-11-12 12:39:22,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:22,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:22,741 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 12:39:22,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:22,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299541733] [2024-11-12 12:39:22,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299541733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:22,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:22,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:22,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345128274] [2024-11-12 12:39:22,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:22,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:22,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:22,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:22,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:22,756 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 93 [2024-11-12 12:39:22,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 12:39:22,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:22,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 93 [2024-11-12 12:39:22,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:22,790 INFO L124 PetriNetUnfolderBase]: 25/193 cut-off events. [2024-11-12 12:39:22,791 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-12 12:39:22,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 193 events. 25/193 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 688 event pairs, 11 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 230. Up to 46 conditions per place. [2024-11-12 12:39:22,792 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2024-11-12 12:39:22,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 71 transitions, 178 flow [2024-11-12 12:39:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-11-12 12:39:22,806 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2024-11-12 12:39:22,808 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 148 flow. Second operand 3 states and 240 transitions. [2024-11-12 12:39:22,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 71 transitions, 178 flow [2024-11-12 12:39:22,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 71 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:22,809 INFO L231 Difference]: Finished difference. Result has 72 places, 0 transitions, 0 flow [2024-11-12 12:39:22,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=72, PETRI_TRANSITIONS=0} [2024-11-12 12:39:22,810 INFO L279 CegarLoopForPetriNet]: 76 programPoint places, -4 predicate places. [2024-11-12 12:39:22,810 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 0 transitions, 0 flow [2024-11-12 12:39:22,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 12:39:22,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-12 12:39:22,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-12 12:39:22,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-12 12:39:22,814 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-12 12:39:22,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-12 12:39:22,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-12 12:39:22,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-12 12:39:22,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:39:22,815 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-12 12:39:22,823 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:39:22,824 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:39:22,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:39:22 BasicIcfg [2024-11-12 12:39:22,831 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:39:22,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:39:22,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:39:22,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:39:22,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:22" (3/4) ... [2024-11-12 12:39:22,836 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:39:22,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:39:22,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:39:22,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-12 12:39:22,855 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:39:22,855 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:39:22,855 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:39:22,917 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:39:22,918 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:39:22,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:39:22,919 INFO L158 Benchmark]: Toolchain (without parser) took 1435.24ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 73.4MB in the beginning and 166.4MB in the end (delta: -93.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:39:22,919 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:39:22,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.49ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 60.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-12 12:39:22,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 60.3MB in the beginning and 174.8MB in the end (delta: -114.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-12 12:39:22,920 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 205.5MB. Free memory was 174.7MB in the beginning and 173.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:39:22,920 INFO L158 Benchmark]: RCFGBuilder took 347.88ms. Allocated memory is still 205.5MB. Free memory was 173.5MB in the beginning and 164.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-12 12:39:22,920 INFO L158 Benchmark]: TraceAbstraction took 678.07ms. Allocated memory is still 205.5MB. Free memory was 164.8MB in the beginning and 170.6MB in the end (delta: -5.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-12 12:39:22,920 INFO L158 Benchmark]: Witness Printer took 86.73ms. Allocated memory is still 205.5MB. Free memory was 170.6MB in the beginning and 166.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:39:22,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.49ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 60.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 60.3MB in the beginning and 174.8MB in the end (delta: -114.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 205.5MB. Free memory was 174.7MB in the beginning and 173.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.88ms. Allocated memory is still 205.5MB. Free memory was 173.5MB in the beginning and 164.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 678.07ms. Allocated memory is still 205.5MB. Free memory was 164.8MB in the beginning and 170.6MB in the end (delta: -5.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 86.73ms. Allocated memory is still 205.5MB. Free memory was 170.6MB in the beginning and 166.4MB 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: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 7 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 40 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=157occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:39:22,943 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