./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-semi1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/test-semi1.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 b8d952362e25e1ec421699ed1d237dd1d7a3724e3980d5a2557067ff115ae870 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:26:38,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:26:38,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:26:38,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:26:38,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:26:38,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:26:38,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:26:38,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:26:38,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:26:38,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:26:38,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:26:38,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:26:38,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:26:38,111 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:26:38,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:26:38,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:26:38,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:26:38,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:26:38,113 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> b8d952362e25e1ec421699ed1d237dd1d7a3724e3980d5a2557067ff115ae870 [2025-03-13 22:26:38,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:26:38,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:26:38,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:26:38,351 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:26:38,352 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:26:38,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-semi1.wvr.c [2025-03-13 22:26:39,507 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bb7b74/d1d0d5ddac5c4205913c4a08d6e67901/FLAG4abbf22de [2025-03-13 22:26:39,700 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:26:39,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-semi1.wvr.c [2025-03-13 22:26:39,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bb7b74/d1d0d5ddac5c4205913c4a08d6e67901/FLAG4abbf22de [2025-03-13 22:26:40,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/192bb7b74/d1d0d5ddac5c4205913c4a08d6e67901 [2025-03-13 22:26:40,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:26:40,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:26:40,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:26:40,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:26:40,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:26:40,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583e9597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40, skipping insertion in model container [2025-03-13 22:26:40,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:26:40,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:26:40,192 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:26:40,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:26:40,217 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:26:40,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40 WrapperNode [2025-03-13 22:26:40,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:26:40,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:26:40,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:26:40,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:26:40,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,241 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2025-03-13 22:26:40,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:26:40,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:26:40,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:26:40,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:26:40,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:26:40,259 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:26:40,259 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:26:40,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:26:40,259 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (1/1) ... [2025-03-13 22:26:40,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:26:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:26:40,284 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) [2025-03-13 22:26:40,286 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 [2025-03-13 22:26:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:26:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 22:26:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 22:26:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 22:26:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 22:26:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:26:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:26:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:26:40,304 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:26:40,374 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:26:40,376 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:26:40,529 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:26:40,530 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:26:40,530 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:26:40,555 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:26:40,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:26:40 BoogieIcfgContainer [2025-03-13 22:26:40,556 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:26:40,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:26:40,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:26:40,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:26:40,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:26:40" (1/3) ... [2025-03-13 22:26:40,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159661af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:26:40, skipping insertion in model container [2025-03-13 22:26:40,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:26:40" (2/3) ... [2025-03-13 22:26:40,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159661af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:26:40, skipping insertion in model container [2025-03-13 22:26:40,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:26:40" (3/3) ... [2025-03-13 22:26:40,563 INFO L128 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2025-03-13 22:26:40,576 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:26:40,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-semi1.wvr.c that has 3 procedures, 94 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-03-13 22:26:40,580 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:26:40,632 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:26:40,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 97 transitions, 208 flow [2025-03-13 22:26:40,696 INFO L124 PetriNetUnfolderBase]: 4/95 cut-off events. [2025-03-13 22:26:40,697 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:26:40,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 4/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-03-13 22:26:40,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 97 transitions, 208 flow [2025-03-13 22:26:40,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 78 transitions, 168 flow [2025-03-13 22:26:40,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:26:40,716 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;@150d74e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:26:40,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-13 22:26:40,721 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:26:40,721 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-13 22:26:40,721 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:26:40,722 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:26:40,722 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] [2025-03-13 22:26:40,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2025-03-13 22:26:40,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:26:40,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1434212398, now seen corresponding path program 1 times [2025-03-13 22:26:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:26:40,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411128570] [2025-03-13 22:26:40,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:26:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:26:40,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-13 22:26:40,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-13 22:26:40,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:26:40,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:26:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:26:40,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:26:40,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411128570] [2025-03-13 22:26:40,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411128570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:26:40,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:26:40,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:26:40,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270673538] [2025-03-13 22:26:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:26:40,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:26:40,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:26:40,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:26:40,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:26:40,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 97 [2025-03-13 22:26:40,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 78 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2025-03-13 22:26:40,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:26:40,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 97 [2025-03-13 22:26:40,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:26:40,961 INFO L124 PetriNetUnfolderBase]: 3/86 cut-off events. [2025-03-13 22:26:40,961 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-13 22:26:40,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 86 events. 3/86 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 3 based on Foata normal form. 4/84 useless extension candidates. Maximal degree in co-relation 46. Up to 19 conditions per place. [2025-03-13 22:26:40,963 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 12 selfloop transitions, 2 changer transitions 3/74 dead transitions. [2025-03-13 22:26:40,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 74 transitions, 188 flow [2025-03-13 22:26:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:26:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:26:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2025-03-13 22:26:40,977 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.845360824742268 [2025-03-13 22:26:40,978 INFO L175 Difference]: Start difference. First operand has 82 places, 78 transitions, 168 flow. Second operand 3 states and 246 transitions. [2025-03-13 22:26:40,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 74 transitions, 188 flow [2025-03-13 22:26:40,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 74 transitions, 180 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-13 22:26:40,986 INFO L231 Difference]: Finished difference. Result has 79 places, 71 transitions, 150 flow [2025-03-13 22:26:40,990 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2025-03-13 22:26:40,993 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -3 predicate places. [2025-03-13 22:26:40,993 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 150 flow [2025-03-13 22:26:40,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2025-03-13 22:26:40,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:26:40,993 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:26:40,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:26:40,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2025-03-13 22:26:40,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:26:40,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1593980146, now seen corresponding path program 1 times [2025-03-13 22:26:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:26:40,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954255012] [2025-03-13 22:26:40,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:26:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:26:41,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-13 22:26:41,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-13 22:26:41,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:26:41,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:26:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:26:41,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:26:41,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954255012] [2025-03-13 22:26:41,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954255012] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:26:41,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:26:41,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:26:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495947612] [2025-03-13 22:26:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:26:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:26:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:26:41,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:26:41,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:26:41,059 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2025-03-13 22:26:41,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 71 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2025-03-13 22:26:41,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:26:41,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2025-03-13 22:26:41,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:26:41,083 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2025-03-13 22:26:41,084 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 22:26:41,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 81 events. 3/81 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 3 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 75. Up to 15 conditions per place. [2025-03-13 22:26:41,084 INFO L140 encePairwiseOnDemand]: 94/97 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-03-13 22:26:41,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 69 transitions, 168 flow [2025-03-13 22:26:41,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:26:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:26:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2025-03-13 22:26:41,085 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8487972508591065 [2025-03-13 22:26:41,085 INFO L175 Difference]: Start difference. First operand has 79 places, 71 transitions, 150 flow. Second operand 3 states and 247 transitions. [2025-03-13 22:26:41,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 69 transitions, 168 flow [2025-03-13 22:26:41,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 69 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:26:41,087 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2025-03-13 22:26:41,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2025-03-13 22:26:41,088 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, -8 predicate places. [2025-03-13 22:26:41,088 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2025-03-13 22:26:41,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2025-03-13 22:26:41,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2025-03-13 22:26:41,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-03-13 22:26:41,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2025-03-13 22:26:41,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-03-13 22:26:41,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-03-13 22:26:41,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:26:41,092 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-13 22:26:41,095 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:26:41,095 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:26:41,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:26:41 BasicIcfg [2025-03-13 22:26:41,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:26:41,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:26:41,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:26:41,100 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:26:41,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:26:40" (3/4) ... [2025-03-13 22:26:41,102 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:26:41,104 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-13 22:26:41,104 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-13 22:26:41,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-13 22:26:41,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:26:41,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-13 22:26:41,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:26:41,155 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:26:41,156 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:26:41,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:26:41,159 INFO L158 Benchmark]: Toolchain (without parser) took 1095.19ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 44.4MB in the end (delta: 69.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-13 22:26:41,159 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:26:41,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.15ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 102.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:26:41,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.16ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 984.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:26:41,159 INFO L158 Benchmark]: Boogie Preprocessor took 15.73ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:26:41,159 INFO L158 Benchmark]: IcfgBuilder took 297.40ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 87.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:26:41,160 INFO L158 Benchmark]: TraceAbstraction took 541.12ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 49.7MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-13 22:26:41,160 INFO L158 Benchmark]: Witness Printer took 58.36ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 44.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:26:41,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.15ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 102.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.16ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.7MB in the end (delta: 984.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.73ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 984.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 297.40ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 87.7MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 541.12ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 49.7MB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 58.36ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 44.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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, 115 locations, 5 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 23 mSDtfsCounter, 53 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=168occurred 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, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:26:41,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE