./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-theta/unwind2-100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 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/pthread-theta/unwind2-100.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7857262d4d8d027aa598d94064d6edf426fece06c8ec09601338aa41711d7f37 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:32:39,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:32:39,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:32:39,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:32:39,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:32:39,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:32:39,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:32:39,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:32:39,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:32:39,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:32:39,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:32:39,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:32:39,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:32:39,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:32:39,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:32:39,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:32:39,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:32:39,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:32:39,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:32:39,158 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 -> 7857262d4d8d027aa598d94064d6edf426fece06c8ec09601338aa41711d7f37 [2025-03-13 22:32:39,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:32:39,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:32:39,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:32:39,526 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:32:39,526 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:32:39,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-theta/unwind2-100.i [2025-03-13 22:32:40,612 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821bcf863/fb4f87fbdd9f4008a9d6c019e3ae8cfc/FLAG92cfe4ca9 [2025-03-13 22:32:40,864 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:32:40,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-theta/unwind2-100.i [2025-03-13 22:32:40,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821bcf863/fb4f87fbdd9f4008a9d6c019e3ae8cfc/FLAG92cfe4ca9 [2025-03-13 22:32:41,182 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/821bcf863/fb4f87fbdd9f4008a9d6c019e3ae8cfc [2025-03-13 22:32:41,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:32:41,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:32:41,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:32:41,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:32:41,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:32:41,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d441a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41, skipping insertion in model container [2025-03-13 22:32:41,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:32:41,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:32:41,407 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:32:41,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:32:41,482 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:32:41,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41 WrapperNode [2025-03-13 22:32:41,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:32:41,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:32:41,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:32:41,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:32:41,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,517 INFO L138 Inliner]: procedures = 169, calls = 12, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 95 [2025-03-13 22:32:41,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:32:41,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:32:41,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:32:41,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:32:41,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:32:41,545 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:32:41,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:32:41,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:32:41,546 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (1/1) ... [2025-03-13 22:32:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:32:41,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:32:41,573 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 22:32:41,579 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 22:32:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:32:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-03-13 22:32:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-03-13 22:32:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-03-13 22:32:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-03-13 22:32:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:32:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:32:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:32:41,596 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 22:32:41,701 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:32:41,703 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:32:41,834 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:32:41,835 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:32:41,835 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:32:41,849 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:32:41,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:32:41 BoogieIcfgContainer [2025-03-13 22:32:41,850 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:32:41,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:32:41,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:32:41,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:32:41,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:32:41" (1/3) ... [2025-03-13 22:32:41,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc1f687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:32:41, skipping insertion in model container [2025-03-13 22:32:41,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:32:41" (2/3) ... [2025-03-13 22:32:41,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc1f687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:32:41, skipping insertion in model container [2025-03-13 22:32:41,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:32:41" (3/3) ... [2025-03-13 22:32:41,856 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind2-100.i [2025-03-13 22:32:41,866 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:32:41,867 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind2-100.i that has 3 procedures, 110 locations, 1 initial locations, 2 loop locations, and 5 error locations. [2025-03-13 22:32:41,867 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:32:41,919 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-13 22:32:41,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 117 transitions, 248 flow [2025-03-13 22:32:41,972 INFO L124 PetriNetUnfolderBase]: 8/115 cut-off events. [2025-03-13 22:32:41,973 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-13 22:32:41,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 115 events. 8/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2025-03-13 22:32:41,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 117 transitions, 248 flow [2025-03-13 22:32:41,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 110 transitions, 229 flow [2025-03-13 22:32:41,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:32:41,994 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;@492b509e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:32:41,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-13 22:32:42,001 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:32:42,001 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2025-03-13 22:32:42,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:32:42,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:32:42,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:32:42,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-13 22:32:42,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:32:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1493877590, now seen corresponding path program 1 times [2025-03-13 22:32:42,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:32:42,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091909269] [2025-03-13 22:32:42,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:32:42,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:32:42,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-13 22:32:42,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-13 22:32:42,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:32:42,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:42,142 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 22:32:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:32:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091909269] [2025-03-13 22:32:42,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091909269] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:32:42,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:32:42,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:32:42,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519585627] [2025-03-13 22:32:42,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:32:42,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:32:42,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:32:42,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:32:42,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:32:42,208 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 117 [2025-03-13 22:32:42,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 110 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 22:32:42,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:32:42,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 117 [2025-03-13 22:32:42,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:32:42,267 INFO L124 PetriNetUnfolderBase]: 14/179 cut-off events. [2025-03-13 22:32:42,267 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-13 22:32:42,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 179 events. 14/179 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 532 event pairs, 8 based on Foata normal form. 13/172 useless extension candidates. Maximal degree in co-relation 158. Up to 29 conditions per place. [2025-03-13 22:32:42,270 INFO L140 encePairwiseOnDemand]: 109/117 looper letters, 12 selfloop transitions, 2 changer transitions 1/100 dead transitions. [2025-03-13 22:32:42,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 237 flow [2025-03-13 22:32:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:32:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:32:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2025-03-13 22:32:42,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2025-03-13 22:32:42,283 INFO L175 Difference]: Start difference. First operand has 109 places, 110 transitions, 229 flow. Second operand 3 states and 299 transitions. [2025-03-13 22:32:42,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 237 flow [2025-03-13 22:32:42,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 232 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-13 22:32:42,294 INFO L231 Difference]: Finished difference. Result has 103 places, 99 transitions, 206 flow [2025-03-13 22:32:42,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=103, PETRI_TRANSITIONS=99} [2025-03-13 22:32:42,302 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -6 predicate places. [2025-03-13 22:32:42,302 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 206 flow [2025-03-13 22:32:42,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 22:32:42,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:32:42,302 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:32:42,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:32:42,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-13 22:32:42,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:32:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash -343705790, now seen corresponding path program 1 times [2025-03-13 22:32:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:32:42,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827334673] [2025-03-13 22:32:42,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:32:42,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:32:42,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-13 22:32:42,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-13 22:32:42,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:32:42,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:42,336 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 22:32:42,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:32:42,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827334673] [2025-03-13 22:32:42,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827334673] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:32:42,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:32:42,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:32:42,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597170957] [2025-03-13 22:32:42,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:32:42,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:32:42,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:32:42,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:32:42,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:32:42,361 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 117 [2025-03-13 22:32:42,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 22:32:42,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:32:42,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 117 [2025-03-13 22:32:42,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:32:42,401 INFO L124 PetriNetUnfolderBase]: 24/239 cut-off events. [2025-03-13 22:32:42,401 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:32:42,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 239 events. 24/239 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 847 event pairs, 15 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 276. Up to 43 conditions per place. [2025-03-13 22:32:42,402 INFO L140 encePairwiseOnDemand]: 112/117 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2025-03-13 22:32:42,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 226 flow [2025-03-13 22:32:42,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:32:42,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:32:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2025-03-13 22:32:42,404 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8290598290598291 [2025-03-13 22:32:42,404 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 206 flow. Second operand 3 states and 291 transitions. [2025-03-13 22:32:42,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 226 flow [2025-03-13 22:32:42,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:32:42,405 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2025-03-13 22:32:42,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2025-03-13 22:32:42,406 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2025-03-13 22:32:42,406 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2025-03-13 22:32:42,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 22:32:42,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-13 22:32:42,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-13 22:32:42,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-13 22:32:42,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2025-03-13 22:32:42,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-13 22:32:42,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-13 22:32:42,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-13 22:32:42,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-13 22:32:42,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-13 22:32:42,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:32:42,410 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-13 22:32:42,416 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-13 22:32:42,416 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-13 22:32:42,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 10:32:42 BasicIcfg [2025-03-13 22:32:42,423 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-13 22:32:42,424 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-13 22:32:42,424 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-13 22:32:42,425 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-13 22:32:42,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:32:41" (3/4) ... [2025-03-13 22:32:42,426 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-13 22:32:42,428 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f1 [2025-03-13 22:32:42,428 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f2 [2025-03-13 22:32:42,430 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-13 22:32:42,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-13 22:32:42,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-13 22:32:42,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-13 22:32:42,488 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-13 22:32:42,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-13 22:32:42,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-13 22:32:42,490 INFO L158 Benchmark]: Toolchain (without parser) took 1305.00ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 114.8MB in the end (delta: 7.8MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,490 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:32:42,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.57ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 102.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,491 INFO L158 Benchmark]: Boogie Preprocessor took 25.13ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-13 22:32:42,491 INFO L158 Benchmark]: IcfgBuilder took 305.04ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 83.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,491 INFO L158 Benchmark]: TraceAbstraction took 571.43ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 35.1MB in the end (delta: 47.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,491 INFO L158 Benchmark]: Witness Printer took 64.75ms. Allocated memory is still 167.8MB. Free memory was 35.1MB in the beginning and 114.8MB in the end (delta: -79.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-03-13 22:32:42,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.57ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 102.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 167.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.13ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 305.04ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 83.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 571.43ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 35.1MB in the end (delta: 47.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 64.75ms. Allocated memory is still 167.8MB. Free memory was 35.1MB in the beginning and 114.8MB in the end (delta: -79.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 168 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 50 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=229occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-13 22:32:42,506 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