./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-lit/qw2004-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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-lit/qw2004-1.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 3fb83c29fe591f537beeb8acce355ea986d79a29cfcecdcee0a9fb1725d601d1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:29:56,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:29:56,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:29:56,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:29:56,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:29:56,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:29:56,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:29:56,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:29:56,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:29:56,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:29:56,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:29:56,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:29:56,740 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:29:56,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:29:56,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:29:56,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:29:56,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:29:56,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:29:56,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:29:56,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:29:56,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:29:56,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:29:56,745 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:29:56,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:29:56,745 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:29:56,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:29:56,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:29:56,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:29:56,746 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:29:56,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:29:56,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:29:56,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:29:56,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:29:56,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:29:56,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:29:56,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:29:56,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:29:56,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:29:56,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:29:56,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:29:56,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:29:56,750 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb83c29fe591f537beeb8acce355ea986d79a29cfcecdcee0a9fb1725d601d1 [2024-11-16 23:29:56,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:29:57,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:29:57,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:29:57,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:29:57,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:29:57,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004-1.i [2024-11-16 23:29:58,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:29:58,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:29:58,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004-1.i [2024-11-16 23:29:58,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d373dce6/2fd4c7b2cebb4551b2a927d955a3e5fc/FLAG4e0770ac2 [2024-11-16 23:29:58,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d373dce6/2fd4c7b2cebb4551b2a927d955a3e5fc [2024-11-16 23:29:58,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:29:58,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:29:58,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:29:58,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:29:58,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:29:58,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:58" (1/1) ... [2024-11-16 23:29:58,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd14f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:58, skipping insertion in model container [2024-11-16 23:29:58,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:29:58" (1/1) ... [2024-11-16 23:29:58,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:29:58,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:29:58,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:29:58,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:29:59,068 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:29:59,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59 WrapperNode [2024-11-16 23:29:59,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:29:59,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:29:59,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:29:59,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:29:59,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,154 INFO L138 Inliner]: procedures = 174, calls = 20, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 155 [2024-11-16 23:29:59,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:29:59,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:29:59,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:29:59,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:29:59,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:29:59,184 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:29:59,184 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:29:59,184 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:29:59,184 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (1/1) ... [2024-11-16 23:29:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:29:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:29:59,216 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) [2024-11-16 23:29:59,218 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 [2024-11-16 23:29:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2024-11-16 23:29:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2024-11-16 23:29:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:29:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:29:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:29:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:29:59,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:29:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:29:59,255 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:29:59,348 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:29:59,349 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:29:59,525 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:29:59,526 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:29:59,576 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:29:59,576 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:29:59,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:59 BoogieIcfgContainer [2024-11-16 23:29:59,577 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:29:59,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:29:59,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:29:59,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:29:59,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:29:58" (1/3) ... [2024-11-16 23:29:59,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:59, skipping insertion in model container [2024-11-16 23:29:59,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:29:59" (2/3) ... [2024-11-16 23:29:59,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff8e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:29:59, skipping insertion in model container [2024-11-16 23:29:59,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:59" (3/3) ... [2024-11-16 23:29:59,584 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-1.i [2024-11-16 23:29:59,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:29:59,602 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-16 23:29:59,602 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:29:59,658 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:29:59,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 159 places, 162 transitions, 328 flow [2024-11-16 23:29:59,756 INFO L124 PetriNetUnfolderBase]: 7/161 cut-off events. [2024-11-16 23:29:59,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:59,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 7/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 283 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2024-11-16 23:29:59,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 162 transitions, 328 flow [2024-11-16 23:29:59,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 161 transitions, 325 flow [2024-11-16 23:29:59,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:29:59,787 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;@61d09c75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:29:59,787 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-16 23:29:59,794 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:29:59,794 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-11-16 23:29:59,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:29:59,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:29:59,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:29:59,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:29:59,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:29:59,803 INFO L85 PathProgramCache]: Analyzing trace with hash -195391166, now seen corresponding path program 1 times [2024-11-16 23:29:59,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:29:59,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600556823] [2024-11-16 23:29:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:29:59,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:29:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:29:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:29:59,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:29:59,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600556823] [2024-11-16 23:29:59,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600556823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:29:59,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:29:59,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:29:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376092077] [2024-11-16 23:29:59,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:29:59,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:29:59,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:30:00,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:30:00,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:30:00,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 162 [2024-11-16 23:30:00,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 161 transitions, 325 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-11-16 23:30:00,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:30:00,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 162 [2024-11-16 23:30:00,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:30:00,098 INFO L124 PetriNetUnfolderBase]: 11/202 cut-off events. [2024-11-16 23:30:00,100 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:30:00,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 202 events. 11/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 521 event pairs, 4 based on Foata normal form. 7/186 useless extension candidates. Maximal degree in co-relation 175. Up to 18 conditions per place. [2024-11-16 23:30:00,104 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 9 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-16 23:30:00,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 146 transitions, 317 flow [2024-11-16 23:30:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:30:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:30:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2024-11-16 23:30:00,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8950617283950617 [2024-11-16 23:30:00,121 INFO L175 Difference]: Start difference. First operand has 158 places, 161 transitions, 325 flow. Second operand 3 states and 435 transitions. [2024-11-16 23:30:00,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 146 transitions, 317 flow [2024-11-16 23:30:00,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 146 transitions, 316 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:30:00,128 INFO L231 Difference]: Finished difference. Result has 147 places, 146 transitions, 298 flow [2024-11-16 23:30:00,130 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=147, PETRI_TRANSITIONS=146} [2024-11-16 23:30:00,134 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -11 predicate places. [2024-11-16 23:30:00,135 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 146 transitions, 298 flow [2024-11-16 23:30:00,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2024-11-16 23:30:00,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:30:00,135 INFO L204 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] [2024-11-16 23:30:00,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:30:00,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:30:00,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:30:00,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1572627921, now seen corresponding path program 1 times [2024-11-16 23:30:00,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:30:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682339936] [2024-11-16 23:30:00,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:30:00,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:30:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:30:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:30:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:30:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682339936] [2024-11-16 23:30:00,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682339936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:30:00,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:30:00,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:30:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622826824] [2024-11-16 23:30:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:30:00,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:30:00,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:30:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:30:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:30:00,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 162 [2024-11-16 23:30:00,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 146 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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) [2024-11-16 23:30:00,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:30:00,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 162 [2024-11-16 23:30:00,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:30:00,303 INFO L124 PetriNetUnfolderBase]: 16/321 cut-off events. [2024-11-16 23:30:00,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:30:00,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 321 events. 16/321 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1068 event pairs, 8 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 332. Up to 27 conditions per place. [2024-11-16 23:30:00,307 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 10 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-16 23:30:00,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 145 transitions, 320 flow [2024-11-16 23:30:00,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:30:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:30:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-11-16 23:30:00,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218 [2024-11-16 23:30:00,310 INFO L175 Difference]: Start difference. First operand has 147 places, 146 transitions, 298 flow. Second operand 3 states and 421 transitions. [2024-11-16 23:30:00,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 145 transitions, 320 flow [2024-11-16 23:30:00,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:30:00,313 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 296 flow [2024-11-16 23:30:00,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=146, PETRI_TRANSITIONS=145} [2024-11-16 23:30:00,314 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -12 predicate places. [2024-11-16 23:30:00,314 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 296 flow [2024-11-16 23:30:00,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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) [2024-11-16 23:30:00,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:30:00,315 INFO L204 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] [2024-11-16 23:30:00,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:30:00,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:30:00,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:30:00,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2079278513, now seen corresponding path program 1 times [2024-11-16 23:30:00,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:30:00,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816654061] [2024-11-16 23:30:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:30:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:30:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:30:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:30:00,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:30:00,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816654061] [2024-11-16 23:30:00,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816654061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:30:00,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:30:00,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:30:00,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783850784] [2024-11-16 23:30:00,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:30:00,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:30:00,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:30:00,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:30:00,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:30:00,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 162 [2024-11-16 23:30:00,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 145 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-16 23:30:00,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:30:00,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 162 [2024-11-16 23:30:00,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:30:00,444 INFO L124 PetriNetUnfolderBase]: 28/315 cut-off events. [2024-11-16 23:30:00,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:30:00,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 315 events. 28/315 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1269 event pairs, 15 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 337. Up to 43 conditions per place. [2024-11-16 23:30:00,447 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 12 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2024-11-16 23:30:00,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 144 transitions, 322 flow [2024-11-16 23:30:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:30:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:30:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2024-11-16 23:30:00,450 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8580246913580247 [2024-11-16 23:30:00,450 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 296 flow. Second operand 3 states and 417 transitions. [2024-11-16 23:30:00,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 144 transitions, 322 flow [2024-11-16 23:30:00,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 144 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:30:00,453 INFO L231 Difference]: Finished difference. Result has 145 places, 144 transitions, 294 flow [2024-11-16 23:30:00,453 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=145, PETRI_TRANSITIONS=144} [2024-11-16 23:30:00,454 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -13 predicate places. [2024-11-16 23:30:00,454 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 144 transitions, 294 flow [2024-11-16 23:30:00,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-16 23:30:00,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:30:00,455 INFO L204 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] [2024-11-16 23:30:00,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:30:00,455 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:30:00,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:30:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1598130610, now seen corresponding path program 1 times [2024-11-16 23:30:00,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:30:00,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56564248] [2024-11-16 23:30:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:30:00,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:30:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:30:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:30:00,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:30:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56564248] [2024-11-16 23:30:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56564248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:30:00,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:30:00,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:30:00,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66926480] [2024-11-16 23:30:00,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:30:00,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:30:00,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:30:00,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:30:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:30:00,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-16 23:30:00,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 144 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-16 23:30:00,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:30:00,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-16 23:30:00,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:30:00,555 INFO L124 PetriNetUnfolderBase]: 20/257 cut-off events. [2024-11-16 23:30:00,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:30:00,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 257 events. 20/257 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 807 event pairs, 10 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 263. Up to 32 conditions per place. [2024-11-16 23:30:00,559 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 11 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-11-16 23:30:00,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 143 transitions, 318 flow [2024-11-16 23:30:00,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:30:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:30:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2024-11-16 23:30:00,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8621399176954733 [2024-11-16 23:30:00,561 INFO L175 Difference]: Start difference. First operand has 145 places, 144 transitions, 294 flow. Second operand 3 states and 419 transitions. [2024-11-16 23:30:00,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 143 transitions, 318 flow [2024-11-16 23:30:00,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 143 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:30:00,566 INFO L231 Difference]: Finished difference. Result has 144 places, 143 transitions, 292 flow [2024-11-16 23:30:00,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=144, PETRI_TRANSITIONS=143} [2024-11-16 23:30:00,569 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -14 predicate places. [2024-11-16 23:30:00,569 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 143 transitions, 292 flow [2024-11-16 23:30:00,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-16 23:30:00,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:30:00,570 INFO L204 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] [2024-11-16 23:30:00,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:30:00,570 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:30:00,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:30:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash -785700043, now seen corresponding path program 1 times [2024-11-16 23:30:00,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:30:00,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620104942] [2024-11-16 23:30:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:30:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:30:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:30:00,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:30:00,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:30:00,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620104942] [2024-11-16 23:30:00,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620104942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:30:00,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:30:00,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:30:00,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225622511] [2024-11-16 23:30:00,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:30:00,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:30:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:30:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:30:00,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:30:00,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 162 [2024-11-16 23:30:00,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 143 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2024-11-16 23:30:00,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:30:00,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 162 [2024-11-16 23:30:00,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:30:00,677 INFO L124 PetriNetUnfolderBase]: 32/417 cut-off events. [2024-11-16 23:30:00,678 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:30:00,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 417 events. 32/417 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2038 event pairs, 9 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 437. Up to 40 conditions per place. [2024-11-16 23:30:00,680 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 11 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2024-11-16 23:30:00,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 334 flow [2024-11-16 23:30:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:30:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:30:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-11-16 23:30:00,682 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8868312757201646 [2024-11-16 23:30:00,683 INFO L175 Difference]: Start difference. First operand has 144 places, 143 transitions, 292 flow. Second operand 3 states and 431 transitions. [2024-11-16 23:30:00,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 148 transitions, 334 flow [2024-11-16 23:30:00,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 148 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:30:00,686 INFO L231 Difference]: Finished difference. Result has 146 places, 147 transitions, 326 flow [2024-11-16 23:30:00,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=146, PETRI_TRANSITIONS=147} [2024-11-16 23:30:00,688 INFO L277 CegarLoopForPetriNet]: 158 programPoint places, -12 predicate places. [2024-11-16 23:30:00,689 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 147 transitions, 326 flow [2024-11-16 23:30:00,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2024-11-16 23:30:00,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:30:00,690 INFO L204 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] [2024-11-16 23:30:00,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:30:00,691 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-16 23:30:00,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:30:00,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1409692452, now seen corresponding path program 1 times [2024-11-16 23:30:00,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:30:00,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289502722] [2024-11-16 23:30:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:30:00,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:30:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:30:00,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:30:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:30:00,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:30:00,749 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:30:00,752 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-11-16 23:30:00,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-16 23:30:00,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-16 23:30:00,754 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-16 23:30:00,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-16 23:30:00,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-16 23:30:00,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-16 23:30:00,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-16 23:30:00,755 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-16 23:30:00,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 27 remaining) [2024-11-16 23:30:00,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-16 23:30:00,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-16 23:30:00,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-16 23:30:00,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-16 23:30:00,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-16 23:30:00,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-16 23:30:00,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:30:00,762 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 23:30:00,803 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:30:00,803 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:30:00,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:30:00 BasicIcfg [2024-11-16 23:30:00,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:30:00,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:30:00,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:30:00,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:30:00,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:29:59" (3/4) ... [2024-11-16 23:30:00,813 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 23:30:00,866 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:30:00,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:30:00,867 INFO L158 Benchmark]: Toolchain (without parser) took 2247.42ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 89.4MB in the beginning and 116.0MB in the end (delta: -26.6MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,867 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:30:00,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.17ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 131.0MB in the end (delta: -41.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.29ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 128.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,868 INFO L158 Benchmark]: Boogie Preprocessor took 26.44ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 127.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,868 INFO L158 Benchmark]: IcfgBuilder took 393.84ms. Allocated memory is still 161.5MB. Free memory was 127.1MB in the beginning and 104.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,868 INFO L158 Benchmark]: TraceAbstraction took 1232.06ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 103.5MB in the beginning and 120.2MB in the end (delta: -16.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,869 INFO L158 Benchmark]: Witness Printer took 55.35ms. Allocated memory is still 245.4MB. Free memory was 120.2MB in the beginning and 116.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:30:00,870 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.17ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 131.0MB in the end (delta: -41.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.29ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 128.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.44ms. Allocated memory is still 161.5MB. Free memory was 128.7MB in the beginning and 127.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 393.84ms. Allocated memory is still 161.5MB. Free memory was 127.1MB in the beginning and 104.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1232.06ms. Allocated memory was 161.5MB in the beginning and 245.4MB in the end (delta: 83.9MB). Free memory was 103.5MB in the beginning and 120.2MB in the end (delta: -16.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Witness Printer took 55.35ms. Allocated memory is still 245.4MB. Free memory was 120.2MB in the beginning and 116.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 736]: Data race detected Data race detected The following path leads to a data race: [L697] 0 volatile int stoppingFlag; VAL [stoppingFlag=0] [L698] 0 volatile int pendingIo; VAL [pendingIo=0, stoppingFlag=0] [L699] 0 volatile int stoppingEvent; VAL [pendingIo=0, stoppingEvent=0, stoppingFlag=0] [L700] 0 volatile int stopped; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L743] 0 pthread_t t; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L744] 0 pendingIo = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L745] 0 stoppingFlag = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L746] 0 stoppingEvent = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L747] 0 stopped = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L748] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1] [L749] CALL 0 BCSP_PnpAdd(0) [L727] 0 int status; VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L728] CALL 0 BCSP_IoIncrement() [L736] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L703] 0 \read(stoppingFlag) [L703] 0 \read(stoppingFlag) [L703] COND TRUE 0 \read(stoppingFlag) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L736] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] Now there is a data race on ~stoppingFlag~0 between C: if (stoppingFlag) { __VERIFIER_atomic_end(); return -1; } else { pendingIo = pendingIo + 1; } [703-708] and C: stoppingFlag = 1 [736] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 746]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 747]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 730]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 205 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: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 25 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=5, InterpolantAutomatonStates: 15, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-16 23:30:00,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE