./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/sync01.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 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:16:33,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:16:33,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:16:33,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:16:33,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:16:33,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:16:33,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:16:33,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:16:33,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:16:33,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:16:33,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:16:33,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:16:33,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:16:33,315 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:16:33,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:16:33,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:16:33,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:16:33,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:16:33,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:16:33,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:16:33,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:16:33,317 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 -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2025-03-14 01:16:33,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:16:33,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:16:33,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:16:33,556 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:16:33,557 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:16:33,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sync01.i [2025-03-14 01:16:34,663 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9198428f/05e5f533d9c74d8da05db7eea23297ab/FLAGb118aa58c [2025-03-14 01:16:35,001 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:16:35,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2025-03-14 01:16:35,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9198428f/05e5f533d9c74d8da05db7eea23297ab/FLAGb118aa58c [2025-03-14 01:16:35,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9198428f/05e5f533d9c74d8da05db7eea23297ab [2025-03-14 01:16:35,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:16:35,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:16:35,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:16:35,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:16:35,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:16:35,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c0ee3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35, skipping insertion in model container [2025-03-14 01:16:35,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:16:35,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:16:35,547 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:16:35,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:16:35,633 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:16:35,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35 WrapperNode [2025-03-14 01:16:35,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:16:35,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:16:35,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:16:35,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:16:35,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,679 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 260 [2025-03-14 01:16:35,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:16:35,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:16:35,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:16:35,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:16:35,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:16:35,705 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:16:35,705 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:16:35,705 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:16:35,708 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (1/1) ... [2025-03-14 01:16:35,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:16:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:16:35,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-14 01:16:35,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:16:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:16:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:16:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:16:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:16:35,761 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:16:35,896 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:16:35,897 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:16:36,200 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:16:36,200 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:16:36,201 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:16:36,244 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:16:36,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:16:36 BoogieIcfgContainer [2025-03-14 01:16:36,244 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:16:36,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:16:36,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:16:36,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:16:36,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:16:35" (1/3) ... [2025-03-14 01:16:36,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d55c2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:16:36, skipping insertion in model container [2025-03-14 01:16:36,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:16:35" (2/3) ... [2025-03-14 01:16:36,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d55c2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:16:36, skipping insertion in model container [2025-03-14 01:16:36,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:16:36" (3/3) ... [2025-03-14 01:16:36,251 INFO L128 eAbstractionObserver]: Analyzing ICFG sync01.i [2025-03-14 01:16:36,262 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:16:36,264 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sync01.i that has 3 procedures, 317 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-03-14 01:16:36,265 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:16:36,334 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-14 01:16:36,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 322 transitions, 658 flow [2025-03-14 01:16:36,471 INFO L124 PetriNetUnfolderBase]: 6/320 cut-off events. [2025-03-14 01:16:36,473 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-14 01:16:36,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 6/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 276. Up to 2 conditions per place. [2025-03-14 01:16:36,478 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 322 transitions, 658 flow [2025-03-14 01:16:36,483 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 310 places, 307 transitions, 626 flow [2025-03-14 01:16:36,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:16:36,504 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;@6f42088d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:16:36,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2025-03-14 01:16:36,538 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:16:36,538 INFO L124 PetriNetUnfolderBase]: 0/236 cut-off events. [2025-03-14 01:16:36,538 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:16:36,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:36,539 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:36,540 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:36,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1558187563, now seen corresponding path program 1 times [2025-03-14 01:16:36,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:36,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031407444] [2025-03-14 01:16:36,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:36,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 236 statements into 1 equivalence classes. [2025-03-14 01:16:36,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 236 of 236 statements. [2025-03-14 01:16:36,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:36,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:36,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:36,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031407444] [2025-03-14 01:16:36,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031407444] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:36,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:36,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:16:36,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991656297] [2025-03-14 01:16:36,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:36,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:36,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:36,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:36,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:37,026 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 322 [2025-03-14 01:16:37,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 307 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:37,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 322 [2025-03-14 01:16:37,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:37,165 INFO L124 PetriNetUnfolderBase]: 72/549 cut-off events. [2025-03-14 01:16:37,166 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-03-14 01:16:37,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 549 events. 72/549 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1536 event pairs, 54 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 428. Up to 149 conditions per place. [2025-03-14 01:16:37,172 INFO L140 encePairwiseOnDemand]: 317/322 looper letters, 22 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2025-03-14 01:16:37,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 304 transitions, 668 flow [2025-03-14 01:16:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2025-03-14 01:16:37,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9316770186335404 [2025-03-14 01:16:37,190 INFO L175 Difference]: Start difference. First operand has 310 places, 307 transitions, 626 flow. Second operand 3 states and 900 transitions. [2025-03-14 01:16:37,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 304 transitions, 668 flow [2025-03-14 01:16:37,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 304 transitions, 660 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-14 01:16:37,201 INFO L231 Difference]: Finished difference. Result has 307 places, 304 transitions, 616 flow [2025-03-14 01:16:37,204 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=307, PETRI_TRANSITIONS=304} [2025-03-14 01:16:37,207 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -3 predicate places. [2025-03-14 01:16:37,207 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 304 transitions, 616 flow [2025-03-14 01:16:37,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:37,209 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:37,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:16:37,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:37,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1292062985, now seen corresponding path program 1 times [2025-03-14 01:16:37,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:37,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937520052] [2025-03-14 01:16:37,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:37,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:37,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-03-14 01:16:37,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-03-14 01:16:37,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:37,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:37,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:37,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937520052] [2025-03-14 01:16:37,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937520052] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:37,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:16:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803815327] [2025-03-14 01:16:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:37,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:37,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:37,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:37,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 322 [2025-03-14 01:16:37,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:37,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 322 [2025-03-14 01:16:37,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:37,572 INFO L124 PetriNetUnfolderBase]: 149/764 cut-off events. [2025-03-14 01:16:37,572 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-14 01:16:37,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 764 events. 149/764 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3076 event pairs, 51 based on Foata normal form. 1/710 useless extension candidates. Maximal degree in co-relation 847. Up to 209 conditions per place. [2025-03-14 01:16:37,577 INFO L140 encePairwiseOnDemand]: 306/322 looper letters, 36 selfloop transitions, 10 changer transitions 2/323 dead transitions. [2025-03-14 01:16:37,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 323 transitions, 752 flow [2025-03-14 01:16:37,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2025-03-14 01:16:37,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9461697722567288 [2025-03-14 01:16:37,579 INFO L175 Difference]: Start difference. First operand has 307 places, 304 transitions, 616 flow. Second operand 3 states and 914 transitions. [2025-03-14 01:16:37,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 323 transitions, 752 flow [2025-03-14 01:16:37,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 323 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:16:37,586 INFO L231 Difference]: Finished difference. Result has 308 places, 311 transitions, 693 flow [2025-03-14 01:16:37,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=308, PETRI_TRANSITIONS=311} [2025-03-14 01:16:37,588 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -2 predicate places. [2025-03-14 01:16:37,588 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 311 transitions, 693 flow [2025-03-14 01:16:37,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 288.6666666666667) internal successors, (866), 3 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:37,596 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:37,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:16:37,596 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:37,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash -366713958, now seen corresponding path program 1 times [2025-03-14 01:16:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:37,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780530178] [2025-03-14 01:16:37,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:37,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:37,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-03-14 01:16:37,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-03-14 01:16:37,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:37,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:37,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:37,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780530178] [2025-03-14 01:16:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780530178] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:37,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:37,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 01:16:37,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712533473] [2025-03-14 01:16:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:37,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:37,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:37,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:37,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:37,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 322 [2025-03-14 01:16:37,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 311 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:37,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 322 [2025-03-14 01:16:37,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:37,851 INFO L124 PetriNetUnfolderBase]: 46/489 cut-off events. [2025-03-14 01:16:37,851 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-14 01:16:37,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 489 events. 46/489 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1103 event pairs, 18 based on Foata normal form. 6/477 useless extension candidates. Maximal degree in co-relation 360. Up to 50 conditions per place. [2025-03-14 01:16:37,853 INFO L140 encePairwiseOnDemand]: 318/322 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2025-03-14 01:16:37,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 306 transitions, 701 flow [2025-03-14 01:16:37,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2025-03-14 01:16:37,858 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-14 01:16:37,859 INFO L175 Difference]: Start difference. First operand has 308 places, 311 transitions, 693 flow. Second operand 3 states and 910 transitions. [2025-03-14 01:16:37,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 306 transitions, 701 flow [2025-03-14 01:16:37,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 306 transitions, 687 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:16:37,864 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 655 flow [2025-03-14 01:16:37,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2025-03-14 01:16:37,866 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -7 predicate places. [2025-03-14 01:16:37,866 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 655 flow [2025-03-14 01:16:37,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:37,866 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:37,867 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2025-03-14 01:16:37,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:16:37,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:37,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash -961952953, now seen corresponding path program 1 times [2025-03-14 01:16:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:37,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541582354] [2025-03-14 01:16:37,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:37,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-14 01:16:37,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-14 01:16:37,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:37,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:37,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:37,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541582354] [2025-03-14 01:16:37,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541582354] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:37,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:37,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:16:37,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120692502] [2025-03-14 01:16:37,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:37,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:38,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:38,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:38,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:38,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2025-03-14 01:16:38,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:38,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2025-03-14 01:16:38,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:38,135 INFO L124 PetriNetUnfolderBase]: 115/636 cut-off events. [2025-03-14 01:16:38,135 INFO L125 PetriNetUnfolderBase]: For 67/76 co-relation queries the response was YES. [2025-03-14 01:16:38,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 995 conditions, 636 events. 115/636 cut-off events. For 67/76 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1908 event pairs, 41 based on Foata normal form. 4/602 useless extension candidates. Maximal degree in co-relation 667. Up to 185 conditions per place. [2025-03-14 01:16:38,139 INFO L140 encePairwiseOnDemand]: 315/322 looper letters, 26 selfloop transitions, 10 changer transitions 2/316 dead transitions. [2025-03-14 01:16:38,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 316 transitions, 770 flow [2025-03-14 01:16:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2025-03-14 01:16:38,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2025-03-14 01:16:38,142 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 655 flow. Second operand 3 states and 910 transitions. [2025-03-14 01:16:38,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 316 transitions, 770 flow [2025-03-14 01:16:38,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 316 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:16:38,148 INFO L231 Difference]: Finished difference. Result has 305 places, 311 transitions, 737 flow [2025-03-14 01:16:38,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=305, PETRI_TRANSITIONS=311} [2025-03-14 01:16:38,149 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -5 predicate places. [2025-03-14 01:16:38,149 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 311 transitions, 737 flow [2025-03-14 01:16:38,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,150 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:38,151 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:38,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:16:38,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:38,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:38,152 INFO L85 PathProgramCache]: Analyzing trace with hash -138973282, now seen corresponding path program 1 times [2025-03-14 01:16:38,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:38,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303138741] [2025-03-14 01:16:38,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:38,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:38,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-03-14 01:16:38,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-03-14 01:16:38,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:38,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:38,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:38,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303138741] [2025-03-14 01:16:38,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303138741] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:38,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:38,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 01:16:38,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123120190] [2025-03-14 01:16:38,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:38,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:38,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:38,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:38,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:38,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 322 [2025-03-14 01:16:38,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 311 transitions, 737 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:38,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 322 [2025-03-14 01:16:38,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:38,517 INFO L124 PetriNetUnfolderBase]: 6/333 cut-off events. [2025-03-14 01:16:38,517 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-14 01:16:38,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 333 events. 6/333 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 148 event pairs, 1 based on Foata normal form. 4/336 useless extension candidates. Maximal degree in co-relation 327. Up to 16 conditions per place. [2025-03-14 01:16:38,518 INFO L140 encePairwiseOnDemand]: 316/322 looper letters, 5 selfloop transitions, 5 changer transitions 8/296 dead transitions. [2025-03-14 01:16:38,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 666 flow [2025-03-14 01:16:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 924 transitions. [2025-03-14 01:16:38,520 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9565217391304348 [2025-03-14 01:16:38,520 INFO L175 Difference]: Start difference. First operand has 305 places, 311 transitions, 737 flow. Second operand 3 states and 924 transitions. [2025-03-14 01:16:38,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 666 flow [2025-03-14 01:16:38,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 296 transitions, 636 flow, removed 11 selfloop flow, removed 4 redundant places. [2025-03-14 01:16:38,524 INFO L231 Difference]: Finished difference. Result has 300 places, 287 transitions, 602 flow [2025-03-14 01:16:38,525 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=300, PETRI_TRANSITIONS=287} [2025-03-14 01:16:38,525 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -10 predicate places. [2025-03-14 01:16:38,525 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 287 transitions, 602 flow [2025-03-14 01:16:38,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,526 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:16:38,526 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:16:38,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:16:38,526 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-14 01:16:38,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:16:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1091511938, now seen corresponding path program 1 times [2025-03-14 01:16:38,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:16:38,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370409808] [2025-03-14 01:16:38,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:16:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:16:38,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-03-14 01:16:38,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-03-14 01:16:38,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:16:38,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:16:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:16:38,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:16:38,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370409808] [2025-03-14 01:16:38,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370409808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:16:38,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:16:38,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:16:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383190724] [2025-03-14 01:16:38,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:16:38,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:16:38,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:16:38,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:16:38,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:16:38,676 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 322 [2025-03-14 01:16:38,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 287 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:16:38,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 322 [2025-03-14 01:16:38,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:16:38,717 INFO L124 PetriNetUnfolderBase]: 8/324 cut-off events. [2025-03-14 01:16:38,717 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-14 01:16:38,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 324 events. 8/324 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 4 based on Foata normal form. 1/323 useless extension candidates. Maximal degree in co-relation 272. Up to 36 conditions per place. [2025-03-14 01:16:38,718 INFO L140 encePairwiseOnDemand]: 320/322 looper letters, 0 selfloop transitions, 0 changer transitions 286/286 dead transitions. [2025-03-14 01:16:38,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 286 transitions, 634 flow [2025-03-14 01:16:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:16:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:16:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 895 transitions. [2025-03-14 01:16:38,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9265010351966874 [2025-03-14 01:16:38,720 INFO L175 Difference]: Start difference. First operand has 300 places, 287 transitions, 602 flow. Second operand 3 states and 895 transitions. [2025-03-14 01:16:38,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 286 transitions, 634 flow [2025-03-14 01:16:38,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 286 transitions, 629 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:16:38,723 INFO L231 Difference]: Finished difference. Result has 292 places, 0 transitions, 0 flow [2025-03-14 01:16:38,723 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=292, PETRI_TRANSITIONS=0} [2025-03-14 01:16:38,724 INFO L279 CegarLoopForPetriNet]: 310 programPoint places, -18 predicate places. [2025-03-14 01:16:38,724 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 0 transitions, 0 flow [2025-03-14 01:16:38,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-14 01:16:38,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2025-03-14 01:16:38,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2025-03-14 01:16:38,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2025-03-14 01:16:38,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2025-03-14 01:16:38,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2025-03-14 01:16:38,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2025-03-14 01:16:38,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:16:38,730 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-14 01:16:38,734 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:16:38,734 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:16:38,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:16:38 BasicIcfg [2025-03-14 01:16:38,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:16:38,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:16:38,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:16:38,739 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:16:38,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:16:36" (3/4) ... [2025-03-14 01:16:38,740 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:16:38,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:16:38,743 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:16:38,748 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-14 01:16:38,748 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-14 01:16:38,748 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:16:38,749 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:16:38,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:16:38,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:16:38,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:16:38,815 INFO L158 Benchmark]: Toolchain (without parser) took 3575.83ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 104.6MB in the beginning and 197.5MB in the end (delta: -92.9MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2025-03-14 01:16:38,815 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:16:38,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.99ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 75.1MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-14 01:16:38,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.96ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:16:38,818 INFO L158 Benchmark]: Boogie Preprocessor took 22.90ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:16:38,818 INFO L158 Benchmark]: IcfgBuilder took 539.71ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 44.8MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-14 01:16:38,818 INFO L158 Benchmark]: TraceAbstraction took 2491.82ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 43.8MB in the beginning and 205.9MB in the end (delta: -162.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2025-03-14 01:16:38,818 INFO L158 Benchmark]: Witness Printer took 75.87ms. Allocated memory is still 327.2MB. Free memory was 205.9MB in the beginning and 197.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:16:38,819 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 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.99ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 75.1MB in the end (delta: 29.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.96ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 72.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.90ms. Allocated memory is still 142.6MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 539.71ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 44.8MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2491.82ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 43.8MB in the beginning and 205.9MB in the end (delta: -162.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 75.87ms. Allocated memory is still 327.2MB. Free memory was 205.9MB in the beginning and 197.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 956]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 964]: 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, 369 locations, 16 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: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 62 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=4, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:16:38,833 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