./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-lit/qw2004-2b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:16:48,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:16:48,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:16:48,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:16:48,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:16:48,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:16:48,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:16:48,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:16:48,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:16:48,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:16:48,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:16:48,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:16:48,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:16:48,404 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:16:48,405 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:16:48,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:48,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:48,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:48,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:16:48,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:16:48,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:48,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:16:48,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:16:48,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:16:48,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:16:48,407 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-jdk21/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 -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 [2025-01-09 21:16:48,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:16:48,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:16:48,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:16:48,650 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:16:48,650 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:16:48,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004-2b.i [2025-01-09 21:16:49,852 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf3a1977/afb00033299447a39d3478f61ba0560f/FLAG8216b79cf [2025-01-09 21:16:50,112 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:16:50,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004-2b.i [2025-01-09 21:16:50,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf3a1977/afb00033299447a39d3478f61ba0560f/FLAG8216b79cf [2025-01-09 21:16:50,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf3a1977/afb00033299447a39d3478f61ba0560f [2025-01-09 21:16:50,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:16:50,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:16:50,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:50,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:16:50,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:16:50,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f23b361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50, skipping insertion in model container [2025-01-09 21:16:50,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:16:50,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:50,726 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:16:50,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:16:50,797 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:16:50,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50 WrapperNode [2025-01-09 21:16:50,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:16:50,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:50,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:16:50,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:16:50,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,826 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 176 [2025-01-09 21:16:50,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:16:50,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:16:50,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:16:50,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:16:50,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,838 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:16:50,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:16:50,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:16:50,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:16:50,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (1/1) ... [2025-01-09 21:16:50,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:16:50,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:16:50,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:16:50,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2025-01-09 21:16:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-09 21:16:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:16:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:16:50,895 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:16:50,982 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:16:50,983 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:16:51,174 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:16:51,174 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:16:51,225 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:16:51,225 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:16:51,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:51 BoogieIcfgContainer [2025-01-09 21:16:51,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:16:51,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:16:51,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:16:51,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:16:51,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:16:50" (1/3) ... [2025-01-09 21:16:51,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@989b833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:51, skipping insertion in model container [2025-01-09 21:16:51,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:16:50" (2/3) ... [2025-01-09 21:16:51,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@989b833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:16:51, skipping insertion in model container [2025-01-09 21:16:51,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:51" (3/3) ... [2025-01-09 21:16:51,231 INFO L128 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2025-01-09 21:16:51,241 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:16:51,242 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG qw2004-2b.i that has 2 procedures, 143 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2025-01-09 21:16:51,243 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:16:51,281 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-09 21:16:51,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 149 transitions, 302 flow [2025-01-09 21:16:51,353 INFO L124 PetriNetUnfolderBase]: 7/148 cut-off events. [2025-01-09 21:16:51,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:51,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 148 events. 7/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2025-01-09 21:16:51,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 149 transitions, 302 flow [2025-01-09 21:16:51,363 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 148 transitions, 299 flow [2025-01-09 21:16:51,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:16:51,378 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;@1bbd22c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:16:51,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-01-09 21:16:51,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:16:51,386 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2025-01-09 21:16:51,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:51,386 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:51,387 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:16:51,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-01-09 21:16:51,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash -257862357, now seen corresponding path program 1 times [2025-01-09 21:16:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:51,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884512567] [2025-01-09 21:16:51,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:51,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-09 21:16:51,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-09 21:16:51,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:51,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:16:51,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:51,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884512567] [2025-01-09 21:16:51,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884512567] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:51,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:51,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592682191] [2025-01-09 21:16:51,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:51,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:51,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:51,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:51,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:51,566 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-01-09 21:16:51,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 148 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:51,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-01-09 21:16:51,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:51,690 INFO L124 PetriNetUnfolderBase]: 52/393 cut-off events. [2025-01-09 21:16:51,691 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:16:51,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 393 events. 52/393 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1731 event pairs, 27 based on Foata normal form. 15/366 useless extension candidates. Maximal degree in co-relation 442. Up to 94 conditions per place. [2025-01-09 21:16:51,695 INFO L140 encePairwiseOnDemand]: 128/149 looper letters, 3 selfloop transitions, 2 changer transitions 93/127 dead transitions. [2025-01-09 21:16:51,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 293 flow [2025-01-09 21:16:51,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2025-01-09 21:16:51,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8277404921700223 [2025-01-09 21:16:51,711 INFO L175 Difference]: Start difference. First operand has 145 places, 148 transitions, 299 flow. Second operand 3 states and 370 transitions. [2025-01-09 21:16:51,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 293 flow [2025-01-09 21:16:51,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 127 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:16:51,719 INFO L231 Difference]: Finished difference. Result has 128 places, 34 transitions, 72 flow [2025-01-09 21:16:51,720 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=128, PETRI_TRANSITIONS=34} [2025-01-09 21:16:51,725 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -17 predicate places. [2025-01-09 21:16:51,725 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 34 transitions, 72 flow [2025-01-09 21:16:51,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:51,725 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:16:51,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:16:51,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-01-09 21:16:51,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:51,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1180985797, now seen corresponding path program 1 times [2025-01-09 21:16:51,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:51,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924395094] [2025-01-09 21:16:51,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:51,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-09 21:16:51,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-09 21:16:51,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:51,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:16:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924395094] [2025-01-09 21:16:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924395094] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:51,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:51,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095481460] [2025-01-09 21:16:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:51,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:51,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:51,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:51,792 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-01-09 21:16:51,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:51,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-01-09 21:16:51,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:51,801 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-01-09 21:16:51,801 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:51,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2025-01-09 21:16:51,801 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2025-01-09 21:16:51,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 80 flow [2025-01-09 21:16:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2025-01-09 21:16:51,804 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2025-01-09 21:16:51,804 INFO L175 Difference]: Start difference. First operand has 128 places, 34 transitions, 72 flow. Second operand 3 states and 339 transitions. [2025-01-09 21:16:51,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 80 flow [2025-01-09 21:16:51,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:51,805 INFO L231 Difference]: Finished difference. Result has 36 places, 33 transitions, 70 flow [2025-01-09 21:16:51,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=33} [2025-01-09 21:16:51,805 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -109 predicate places. [2025-01-09 21:16:51,805 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 33 transitions, 70 flow [2025-01-09 21:16:51,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:51,806 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:16:51,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:16:51,806 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-01-09 21:16:51,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:51,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2057600782, now seen corresponding path program 1 times [2025-01-09 21:16:51,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:51,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397969968] [2025-01-09 21:16:51,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:51,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-09 21:16:51,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-09 21:16:51,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:51,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:16:51,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:51,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397969968] [2025-01-09 21:16:51,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397969968] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:51,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:51,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:51,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214816995] [2025-01-09 21:16:51,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:51,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:51,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:51,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:51,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:51,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-01-09 21:16:51,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:51,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-01-09 21:16:51,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:51,865 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2025-01-09 21:16:51,866 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:51,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2025-01-09 21:16:51,866 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2025-01-09 21:16:51,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 78 flow [2025-01-09 21:16:51,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2025-01-09 21:16:51,869 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2025-01-09 21:16:51,870 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 70 flow. Second operand 3 states and 339 transitions. [2025-01-09 21:16:51,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 78 flow [2025-01-09 21:16:51,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:51,870 INFO L231 Difference]: Finished difference. Result has 35 places, 32 transitions, 68 flow [2025-01-09 21:16:51,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2025-01-09 21:16:51,871 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -110 predicate places. [2025-01-09 21:16:51,872 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 32 transitions, 68 flow [2025-01-09 21:16:51,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:16:51,872 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:16:51,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:16:51,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2025-01-09 21:16:51,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:16:51,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1096545139, now seen corresponding path program 1 times [2025-01-09 21:16:51,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:16:51,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688731138] [2025-01-09 21:16:51,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:16:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:16:51,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 21:16:51,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 21:16:51,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:16:51,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:16:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:16:51,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:16:51,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688731138] [2025-01-09 21:16:51,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688731138] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:16:51,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:16:51,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:16:51,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165108002] [2025-01-09 21:16:51,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:16:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:16:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:16:51,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:16:51,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:16:51,935 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2025-01-09 21:16:51,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 32 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:16:51,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2025-01-09 21:16:51,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:16:51,939 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2025-01-09 21:16:51,940 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:16:51,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2025-01-09 21:16:51,941 INFO L140 encePairwiseOnDemand]: 147/149 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2025-01-09 21:16:51,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 31 transitions, 72 flow [2025-01-09 21:16:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:16:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:16:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2025-01-09 21:16:51,942 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7539149888143176 [2025-01-09 21:16:51,942 INFO L175 Difference]: Start difference. First operand has 35 places, 32 transitions, 68 flow. Second operand 3 states and 337 transitions. [2025-01-09 21:16:51,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 31 transitions, 72 flow [2025-01-09 21:16:51,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:16:51,943 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2025-01-09 21:16:51,943 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2025-01-09 21:16:51,943 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -111 predicate places. [2025-01-09 21:16:51,944 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2025-01-09 21:16:51,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2025-01-09 21:16:51,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-01-09 21:16:51,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-01-09 21:16:51,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-01-09 21:16:51,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-01-09 21:16:51,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-01-09 21:16:51,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-01-09 21:16:51,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:16:51,949 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 21:16:51,952 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:16:51,952 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:16:51,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:16:51 BasicIcfg [2025-01-09 21:16:51,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:16:51,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:16:51,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:16:51,958 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:16:51,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:16:51" (3/4) ... [2025-01-09 21:16:51,960 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:16:51,962 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure BCSP_PnpStop [2025-01-09 21:16:51,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2025-01-09 21:16:51,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-09 21:16:51,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 21:16:51,967 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:16:52,023 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:16:52,023 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:16:52,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:16:52,024 INFO L158 Benchmark]: Toolchain (without parser) took 1581.37ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 63.7MB in the end (delta: 48.7MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2025-01-09 21:16:52,024 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:52,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.68ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 92.4MB in the end (delta: 20.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:16:52,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.12ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:16:52,024 INFO L158 Benchmark]: Boogie Preprocessor took 15.32ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:52,024 INFO L158 Benchmark]: RCFGBuilder took 378.76ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 65.5MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:16:52,025 INFO L158 Benchmark]: TraceAbstraction took 730.02ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 70.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:16:52,025 INFO L158 Benchmark]: Witness Printer took 65.58ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 63.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:16:52,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.68ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 92.4MB in the end (delta: 20.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.12ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.32ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.76ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 65.5MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 730.02ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 70.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.58ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 63.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: 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 3 procedures, 179 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:16:52,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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