./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 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 ../../../trunk/examples/svcomp/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-wip.fs.system-includes-da04345-m [2025-04-30 10:28:11,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:28:11,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:28:11,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:28:11,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:28:11,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:28:11,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:28:11,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:28:11,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:28:11,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:28:11,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:28:11,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:11,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:11,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:28:11,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:28:11,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:28:11,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:28:11,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:28:11,450 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 [2025-04-30 10:28:11,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:28:11,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:28:11,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:28:11,705 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:28:11,705 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:28:11,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2025-04-30 10:28:13,731 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb41bde37/7ed72f1712714c82ade4f3735ee2f415/FLAGee6ba62f7 [2025-04-30 10:28:14,027 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:28:14,030 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2025-04-30 10:28:14,046 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb41bde37/7ed72f1712714c82ade4f3735ee2f415/FLAGee6ba62f7 [2025-04-30 10:28:14,782 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb41bde37/7ed72f1712714c82ade4f3735ee2f415 [2025-04-30 10:28:14,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:28:14,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:28:14,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:14,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:28:14,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:28:14,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:14" (1/1) ... [2025-04-30 10:28:14,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc588ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:14, skipping insertion in model container [2025-04-30 10:28:14,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:14" (1/1) ... [2025-04-30 10:28:14,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:28:15,082 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:15,087 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:28:15,143 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:15,184 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:28:15,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15 WrapperNode [2025-04-30 10:28:15,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:15,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:15,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:28:15,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:28:15,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,225 INFO L138 Inliner]: procedures = 257, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2025-04-30 10:28:15,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:15,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:28:15,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:28:15,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:28:15,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,240 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:28:15,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:28:15,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:28:15,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:28:15,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (1/1) ... [2025-04-30 10:28:15,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:15,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:28:15,279 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) [2025-04-30 10:28:15,283 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 [2025-04-30 10:28:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-04-30 10:28:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-04-30 10:28:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-04-30 10:28:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-04-30 10:28:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:28:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:28:15,302 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:28:15,400 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:28:15,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:28:15,457 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:28:15,457 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:28:15,463 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:28:15,463 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:28:15,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:15 BoogieIcfgContainer [2025-04-30 10:28:15,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:28:15,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:28:15,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:28:15,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:28:15,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:28:14" (1/3) ... [2025-04-30 10:28:15,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:15, skipping insertion in model container [2025-04-30 10:28:15,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:15" (2/3) ... [2025-04-30 10:28:15,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dd315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:15, skipping insertion in model container [2025-04-30 10:28:15,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:15" (3/3) ... [2025-04-30 10:28:15,470 INFO L128 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2025-04-30 10:28:15,479 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:28:15,481 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 10-synch_03-two_unique.i that has 3 procedures, 45 locations, 42 edges, 1 initial locations, 0 loop locations, and 2 error locations. [2025-04-30 10:28:15,481 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:28:15,517 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-30 10:28:15,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 96 flow [2025-04-30 10:28:15,570 INFO L116 PetriNetUnfolderBase]: 0/42 cut-off events. [2025-04-30 10:28:15,572 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:15,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-04-30 10:28:15,573 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 44 transitions, 96 flow [2025-04-30 10:28:15,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 42 transitions, 90 flow [2025-04-30 10:28:15,580 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:28:15,587 INFO L340 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;@5ccf5c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:28:15,588 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-04-30 10:28:15,593 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:28:15,593 INFO L116 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-04-30 10:28:15,593 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:15,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:15,594 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:15,594 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:28:15,599 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:15,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1983404242, now seen corresponding path program 1 times [2025-04-30 10:28:15,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:15,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163701442] [2025-04-30 10:28:15,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:15,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:15,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-30 10:28:15,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-30 10:28:15,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:15,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:15,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:15,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163701442] [2025-04-30 10:28:15,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163701442] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:15,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:15,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86399541] [2025-04-30 10:28:15,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:15,737 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:15,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:15,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:15,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:15,767 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2025-04-30 10:28:15,768 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) [2025-04-30 10:28:15,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:15,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2025-04-30 10:28:15,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:15,795 INFO L116 PetriNetUnfolderBase]: 4/66 cut-off events. [2025-04-30 10:28:15,796 INFO L117 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-04-30 10:28:15,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 66 events. 4/66 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 157 event pairs, 2 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 77. Up to 9 conditions per place. [2025-04-30 10:28:15,797 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 5 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2025-04-30 10:28:15,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 107 flow [2025-04-30 10:28:15,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2025-04-30 10:28:15,806 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9015151515151515 [2025-04-30 10:28:15,807 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 90 flow. Second operand 3 states and 119 transitions. [2025-04-30 10:28:15,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 107 flow [2025-04-30 10:28:15,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:15,811 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 90 flow [2025-04-30 10:28:15,813 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} [2025-04-30 10:28:15,816 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2025-04-30 10:28:15,816 INFO L485 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 90 flow [2025-04-30 10:28:15,817 INFO L486 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) [2025-04-30 10:28:15,817 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:15,817 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] [2025-04-30 10:28:15,818 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:28:15,818 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:28:15,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:15,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1757667292, now seen corresponding path program 1 times [2025-04-30 10:28:15,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:15,819 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358513830] [2025-04-30 10:28:15,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:15,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:15,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-30 10:28:15,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-30 10:28:15,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:15,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:15,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:15,873 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358513830] [2025-04-30 10:28:15,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358513830] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:15,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:15,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:15,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783199941] [2025-04-30 10:28:15,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:15,874 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:15,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:15,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:15,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:15,880 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 44 [2025-04-30 10:28:15,881 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) [2025-04-30 10:28:15,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:15,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 44 [2025-04-30 10:28:15,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:15,894 INFO L116 PetriNetUnfolderBase]: 0/40 cut-off events. [2025-04-30 10:28:15,894 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:15,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2025-04-30 10:28:15,895 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2025-04-30 10:28:15,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 100 flow [2025-04-30 10:28:15,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2025-04-30 10:28:15,896 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2025-04-30 10:28:15,896 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 90 flow. Second operand 3 states and 118 transitions. [2025-04-30 10:28:15,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 100 flow [2025-04-30 10:28:15,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:15,896 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2025-04-30 10:28:15,897 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} [2025-04-30 10:28:15,897 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2025-04-30 10:28:15,897 INFO L485 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2025-04-30 10:28:15,897 INFO L486 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) [2025-04-30 10:28:15,899 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2025-04-30 10:28:15,900 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-04-30 10:28:15,900 INFO L790 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-04-30 10:28:15,900 INFO L790 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-04-30 10:28:15,900 INFO L790 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-04-30 10:28:15,900 INFO L790 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-04-30 10:28:15,900 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:28:15,901 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-30 10:28:15,906 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:28:15,906 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:28:15,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:28:15 BasicIcfg [2025-04-30 10:28:15,910 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:28:15,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:28:15,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:28:15,910 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:28:15,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:15" (3/4) ... [2025-04-30 10:28:15,912 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:28:15,914 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2025-04-30 10:28:15,914 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2025-04-30 10:28:15,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-04-30 10:28:15,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:28:15,916 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:28:15,962 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:28:15,962 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:28:15,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:28:15,963 INFO L158 Benchmark]: Toolchain (without parser) took 1178.22ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 91.7MB in the end (delta: 13.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2025-04-30 10:28:15,963 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:15,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.60ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 76.5MB in the end (delta: 29.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:28:15,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.21ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 74.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:15,964 INFO L158 Benchmark]: Boogie Preprocessor took 24.18ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:15,964 INFO L158 Benchmark]: RCFGBuilder took 211.51ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 61.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:15,964 INFO L158 Benchmark]: TraceAbstraction took 444.57ms. Allocated memory is still 142.6MB. Free memory was 61.3MB in the beginning and 97.0MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:15,964 INFO L158 Benchmark]: Witness Printer took 52.29ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 91.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:15,965 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 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.60ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 76.5MB in the end (delta: 29.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.21ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 74.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.18ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.51ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 61.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 444.57ms. Allocated memory is still 142.6MB. Free memory was 61.3MB in the beginning and 97.0MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.29ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 91.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. 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: 0.0s, 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! [2025-04-30 10:28:15,980 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