./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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/goblint-regression/10-synch_03-two_unique.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:07:13,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:07:13,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:07:13,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:07:13,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:07:13,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:07:13,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:07:13,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:07:13,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:07:13,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:07:13,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:07:13,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:07:13,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:07:13,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:07:13,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:07:13,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:07:13,899 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 -> 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad [2025-03-17 11:07:14,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:07:14,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:07:14,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:07:14,157 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:07:14,157 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:07:14,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2025-03-17 11:07:15,312 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb51057b9/87f78dd04c22489096ae17d662cd7625/FLAG647e2d273 [2025-03-17 11:07:15,562 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:07:15,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2025-03-17 11:07:15,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb51057b9/87f78dd04c22489096ae17d662cd7625/FLAG647e2d273 [2025-03-17 11:07:15,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb51057b9/87f78dd04c22489096ae17d662cd7625 [2025-03-17 11:07:15,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:07:15,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:07:15,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:07:15,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:07:15,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:07:15,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be82d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15, skipping insertion in model container [2025-03-17 11:07:15,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:07:15,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:07:15,875 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:07:15,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:07:15,951 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:07:15,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15 WrapperNode [2025-03-17 11:07:15,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:07:15,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:07:15,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:07:15,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:07:15,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,989 INFO L138 Inliner]: procedures = 257, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2025-03-17 11:07:15,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:07:15,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:07:15,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:07:15,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:07:15,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:15,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:07:16,011 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:07:16,011 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:07:16,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:07:16,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (1/1) ... [2025-03-17 11:07:16,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:07:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:07:16,043 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) [2025-03-17 11:07:16,049 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 [2025-03-17 11:07:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-03-17 11:07:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-03-17 11:07:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-03-17 11:07:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-03-17 11:07:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:07:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:07:16,063 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:07:16,147 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:07:16,148 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:07:16,221 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:07:16,221 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:07:16,227 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:07:16,227 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:07:16,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:16 BoogieIcfgContainer [2025-03-17 11:07:16,228 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:07:16,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:07:16,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:07:16,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:07:16,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:07:15" (1/3) ... [2025-03-17 11:07:16,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f687d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:07:16, skipping insertion in model container [2025-03-17 11:07:16,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:07:15" (2/3) ... [2025-03-17 11:07:16,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f687d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:07:16, skipping insertion in model container [2025-03-17 11:07:16,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:16" (3/3) ... [2025-03-17 11:07:16,235 INFO L128 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2025-03-17 11:07:16,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:07:16,246 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 10-synch_03-two_unique.i that has 3 procedures, 45 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-03-17 11:07:16,247 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:07:16,277 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 11:07:16,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 96 flow [2025-03-17 11:07:16,338 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2025-03-17 11:07:16,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:07:16,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-03-17 11:07:16,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 44 transitions, 96 flow [2025-03-17 11:07:16,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 42 transitions, 90 flow [2025-03-17 11:07:16,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:07:16,366 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;@41f9f6f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:07:16,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 11:07:16,374 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:07:16,374 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-17 11:07:16,374 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:07:16,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:16,375 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:07:16,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-17 11:07:16,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 978313385, now seen corresponding path program 1 times [2025-03-17 11:07:16,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:16,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075610108] [2025-03-17 11:07:16,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:16,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:16,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 11:07:16,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 11:07:16,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:16,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:16,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075610108] [2025-03-17 11:07:16,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075610108] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:16,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:16,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:16,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172908054] [2025-03-17 11:07:16,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:16,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:16,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:16,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:16,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2025-03-17 11:07:16,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:16,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:16,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2025-03-17 11:07:16,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:16,591 INFO L124 PetriNetUnfolderBase]: 4/66 cut-off events. [2025-03-17 11:07:16,591 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-17 11:07:16,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 66 events. 4/66 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 159 event pairs, 2 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 77. Up to 9 conditions per place. [2025-03-17 11:07:16,593 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 5 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2025-03-17 11:07:16,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 107 flow [2025-03-17 11:07:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2025-03-17 11:07:16,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9015151515151515 [2025-03-17 11:07:16,602 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 90 flow. Second operand 3 states and 119 transitions. [2025-03-17 11:07:16,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 107 flow [2025-03-17 11:07:16,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:07:16,609 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 90 flow [2025-03-17 11:07:16,610 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2025-03-17 11:07:16,614 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2025-03-17 11:07:16,614 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 90 flow [2025-03-17 11:07:16,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:16,615 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:07:16,615 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] [2025-03-17 11:07:16,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:07:16,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-17 11:07:16,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:07:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -912329096, now seen corresponding path program 1 times [2025-03-17 11:07:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:07:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595151187] [2025-03-17 11:07:16,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:07:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:07:16,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-17 11:07:16,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-17 11:07:16,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:07:16,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:07:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:07:16,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:07:16,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595151187] [2025-03-17 11:07:16,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595151187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:07:16,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:07:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:07:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005481931] [2025-03-17 11:07:16,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:07:16,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:07:16,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:07:16,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:07:16,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:07:16,678 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2025-03-17 11:07:16,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:16,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:07:16,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2025-03-17 11:07:16,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:07:16,690 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2025-03-17 11:07:16,690 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:07:16,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2025-03-17 11:07:16,690 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2025-03-17 11:07:16,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 100 flow [2025-03-17 11:07:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:07:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:07:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2025-03-17 11:07:16,691 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2025-03-17 11:07:16,692 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 90 flow. Second operand 3 states and 118 transitions. [2025-03-17 11:07:16,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 100 flow [2025-03-17 11:07:16,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:07:16,692 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2025-03-17 11:07:16,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2025-03-17 11:07:16,693 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2025-03-17 11:07:16,693 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2025-03-17 11:07:16,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:07:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2025-03-17 11:07:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-03-17 11:07:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-03-17 11:07:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-03-17 11:07:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-17 11:07:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-17 11:07:16,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:07:16,697 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-17 11:07:16,703 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 11:07:16,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 11:07:16,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:07:16 BasicIcfg [2025-03-17 11:07:16,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 11:07:16,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 11:07:16,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 11:07:16,710 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 11:07:16,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:07:16" (3/4) ... [2025-03-17 11:07:16,712 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 11:07:16,716 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f1 [2025-03-17 11:07:16,716 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure f2 [2025-03-17 11:07:16,718 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-17 11:07:16,718 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:07:16,718 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 11:07:16,765 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 11:07:16,765 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 11:07:16,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 11:07:16,766 INFO L158 Benchmark]: Toolchain (without parser) took 1167.73ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 43.0MB in the end (delta: 78.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-03-17 11:07:16,766 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:16,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.38ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 95.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 11:07:16,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.41ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:16,766 INFO L158 Benchmark]: Boogie Preprocessor took 19.26ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.3MB in the end (delta: 792.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:16,767 INFO L158 Benchmark]: IcfgBuilder took 216.56ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 81.0MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 11:07:16,767 INFO L158 Benchmark]: TraceAbstraction took 480.28ms. Allocated memory is still 167.8MB. Free memory was 80.3MB in the beginning and 48.2MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-17 11:07:16,767 INFO L158 Benchmark]: Witness Printer took 55.09ms. Allocated memory is still 167.8MB. Free memory was 48.2MB in the beginning and 43.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 11:07:16,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.38ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 95.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.41ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.26ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.3MB in the end (delta: 792.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 216.56ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 81.0MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 480.28ms. Allocated memory is still 167.8MB. Free memory was 80.3MB in the beginning and 48.2MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 55.09ms. Allocated memory is still 167.8MB. Free memory was 48.2MB in the beginning and 43.0MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 67 locations, 64 edges, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 11:07:16,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE