./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.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 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:25:37,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:25:37,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:25:37,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:25:37,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:25:37,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:25:37,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:25:37,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:25:37,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:25:37,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:25:37,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:25:37,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:25:37,323 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:25:37,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:25:37,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:25:37,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:25:37,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:25:37,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:25:37,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:25:37,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:25:37,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:25:37,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:25:37,331 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:25:37,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:25:37,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:25:37,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:25:37,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:25:37,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:25:37,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:25:37,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:25:37,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:25:37,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:25:37,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:25:37,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:25:37,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:25:37,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:25:37,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:25:37,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:25:37,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:25:37,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:25:37,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:25:37,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad [2024-10-24 15:25:37,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:25:37,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:25:37,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:25:37,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:25:37,630 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:25:37,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2024-10-24 15:25:39,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:25:39,419 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:25:39,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2024-10-24 15:25:39,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36199ded4/662f3829914b47bb90adf9e1fd0f14c8/FLAGc8936ebb2 [2024-10-24 15:25:39,465 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36199ded4/662f3829914b47bb90adf9e1fd0f14c8 [2024-10-24 15:25:39,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:25:39,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:25:39,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:25:39,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:25:39,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:25:39,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:25:39" (1/1) ... [2024-10-24 15:25:39,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11dbe33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:39, skipping insertion in model container [2024-10-24 15:25:39,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:25:39" (1/1) ... [2024-10-24 15:25:39,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:25:39,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:25:39,961 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:25:40,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:25:40,070 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:25:40,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40 WrapperNode [2024-10-24 15:25:40,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:25:40,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:25:40,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:25:40,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:25:40,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,126 INFO L138 Inliner]: procedures = 257, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-10-24 15:25:40,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:25:40,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:25:40,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:25:40,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:25:40,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:25:40,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:25:40,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:25:40,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:25:40,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (1/1) ... [2024-10-24 15:25:40,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:25:40,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:25:40,197 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) [2024-10-24 15:25:40,200 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 [2024-10-24 15:25:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-10-24 15:25:40,247 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-10-24 15:25:40,247 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-10-24 15:25:40,247 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-10-24 15:25:40,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:25:40,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:25:40,249 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:25:40,398 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:25:40,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:25:40,493 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:25:40,493 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:25:40,513 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:25:40,513 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:25:40,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:40 BoogieIcfgContainer [2024-10-24 15:25:40,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:25:40,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:25:40,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:25:40,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:25:40,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:25:39" (1/3) ... [2024-10-24 15:25:40,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6c33d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:25:40, skipping insertion in model container [2024-10-24 15:25:40,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:25:40" (2/3) ... [2024-10-24 15:25:40,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6c33d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:25:40, skipping insertion in model container [2024-10-24 15:25:40,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:40" (3/3) ... [2024-10-24 15:25:40,524 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2024-10-24 15:25:40,546 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:25:40,547 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 15:25:40,547 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:25:40,605 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:25:40,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 96 flow [2024-10-24 15:25:40,665 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-10-24 15:25:40,665 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:25:40,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-24 15:25:40,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 44 transitions, 96 flow [2024-10-24 15:25:40,672 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 42 transitions, 90 flow [2024-10-24 15:25:40,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:25:40,687 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;@4f6e9adc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:25:40,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 15:25:40,698 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:25:40,698 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-24 15:25:40,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:25:40,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:40,700 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:40,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 15:25:40,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1983404242, now seen corresponding path program 1 times [2024-10-24 15:25:40,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44405525] [2024-10-24 15:25:40,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:40,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44405525] [2024-10-24 15:25:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44405525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:25:40,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240351036] [2024-10-24 15:25:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:40,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:40,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:40,983 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2024-10-24 15:25:40,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-10-24 15:25:40,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:40,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2024-10-24 15:25:40,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:41,063 INFO L124 PetriNetUnfolderBase]: 4/66 cut-off events. [2024-10-24 15:25:41,063 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-24 15:25:41,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 66 events. 4/66 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 157 event pairs, 2 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 77. Up to 9 conditions per place. [2024-10-24 15:25:41,066 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 5 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-10-24 15:25:41,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 107 flow [2024-10-24 15:25:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-10-24 15:25:41,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9015151515151515 [2024-10-24 15:25:41,078 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 90 flow. Second operand 3 states and 119 transitions. [2024-10-24 15:25:41,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 107 flow [2024-10-24 15:25:41,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:25:41,084 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 90 flow [2024-10-24 15:25:41,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2024-10-24 15:25:41,089 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2024-10-24 15:25:41,089 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 90 flow [2024-10-24 15:25:41,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-10-24 15:25:41,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:25:41,090 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:25:41,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:25:41,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 15:25:41,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:25:41,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1757667292, now seen corresponding path program 1 times [2024-10-24 15:25:41,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:25:41,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033836954] [2024-10-24 15:25:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:25:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:25:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:25:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:25:41,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:25:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033836954] [2024-10-24 15:25:41,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033836954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:25:41,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:25:41,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:25:41,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918326429] [2024-10-24 15:25:41,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:25:41,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:25:41,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:25:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:25:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:25:41,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2024-10-24 15:25:41,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-10-24 15:25:41,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:25:41,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2024-10-24 15:25:41,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:25:41,187 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-10-24 15:25:41,189 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:25:41,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2024-10-24 15:25:41,190 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-10-24 15:25:41,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 100 flow [2024-10-24 15:25:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:25:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:25:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2024-10-24 15:25:41,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2024-10-24 15:25:41,193 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 90 flow. Second operand 3 states and 118 transitions. [2024-10-24 15:25:41,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 100 flow [2024-10-24 15:25:41,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:25:41,195 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-10-24 15:25:41,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-10-24 15:25:41,197 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-10-24 15:25:41,197 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-10-24 15:25:41,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-10-24 15:25:41,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-10-24 15:25:41,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-10-24 15:25:41,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-10-24 15:25:41,201 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-10-24 15:25:41,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-10-24 15:25:41,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-10-24 15:25:41,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:25:41,203 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 15:25:41,214 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:25:41,215 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:25:41,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:25:41 BasicIcfg [2024-10-24 15:25:41,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:25:41,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:25:41,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:25:41,224 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:25:41,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:25:40" (3/4) ... [2024-10-24 15:25:41,227 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:25:41,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-10-24 15:25:41,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-10-24 15:25:41,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-24 15:25:41,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:25:41,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:25:41,329 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:25:41,330 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:25:41,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:25:41,333 INFO L158 Benchmark]: Toolchain (without parser) took 1864.23ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 114.4MB in the beginning and 211.3MB in the end (delta: -96.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:41,334 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:41,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.22ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 85.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-24 15:25:41,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.12ms. Allocated memory is still 172.0MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:25:41,335 INFO L158 Benchmark]: Boogie Preprocessor took 27.66ms. Allocated memory is still 172.0MB. Free memory was 83.3MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:41,335 INFO L158 Benchmark]: RCFGBuilder took 353.83ms. Allocated memory is still 172.0MB. Free memory was 82.1MB in the beginning and 70.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 15:25:41,338 INFO L158 Benchmark]: TraceAbstraction took 706.42ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 69.9MB in the beginning and 215.5MB in the end (delta: -145.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:25:41,338 INFO L158 Benchmark]: Witness Printer took 108.72ms. Allocated memory is still 260.0MB. Free memory was 214.4MB in the beginning and 211.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:25:41,340 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 172.0MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.22ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 85.4MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.12ms. Allocated memory is still 172.0MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.66ms. Allocated memory is still 172.0MB. Free memory was 83.3MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.83ms. Allocated memory is still 172.0MB. Free memory was 82.1MB in the beginning and 70.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 706.42ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 69.9MB in the beginning and 215.5MB in the end (delta: -145.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.72ms. Allocated memory is still 260.0MB. Free memory was 214.4MB in the beginning and 211.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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, 67 locations, 6 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: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 18 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=90occurred 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:25:41,368 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