/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line677.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-21 16:00:05,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-21 16:00:05,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-21 16:00:05,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-21 16:00:05,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-21 16:00:05,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-21 16:00:05,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-21 16:00:05,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-21 16:00:05,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-21 16:00:05,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-21 16:00:05,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-21 16:00:05,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-21 16:00:05,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-21 16:00:05,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-21 16:00:05,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-21 16:00:05,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-21 16:00:05,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-21 16:00:05,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-21 16:00:05,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-21 16:00:05,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-21 16:00:05,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-21 16:00:05,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-21 16:00:05,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-21 16:00:05,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-21 16:00:05,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-21 16:00:05,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-21 16:00:05,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-21 16:00:05,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-21 16:00:05,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-21 16:00:05,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-21 16:00:05,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-21 16:00:05,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-21 16:00:05,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-21 16:00:05,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-21 16:00:05,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-21 16:00:05,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-21 16:00:05,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-21 16:00:05,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-21 16:00:05,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-21 16:00:05,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-21 16:00:05,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-21 16:00:05,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-21 16:00:05,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-21 16:00:05,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-21 16:00:05,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-21 16:00:05,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-21 16:00:05,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-21 16:00:05,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-21 16:00:05,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-21 16:00:05,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-21 16:00:05,357 INFO L138 SettingsManager]: * Use SBE=true [2022-10-21 16:00:05,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-21 16:00:05,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-21 16:00:05,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 16:00:05,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-21 16:00:05,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-21 16:00:05,360 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-21 16:00:05,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-21 16:00:05,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-21 16:00:05,360 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-21 16:00:05,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-21 16:00:05,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-21 16:00:05,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-21 16:00:05,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-21 16:00:05,658 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-21 16:00:05,661 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-21 16:00:05,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line677.bpl [2022-10-21 16:00:05,663 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line677.bpl' [2022-10-21 16:00:05,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-21 16:00:05,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-21 16:00:05,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-21 16:00:05,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-21 16:00:05,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-21 16:00:05,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,784 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-21 16:00:05,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-21 16:00:05,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-21 16:00:05,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-21 16:00:05,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-21 16:00:05,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-21 16:00:05,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-21 16:00:05,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-21 16:00:05,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-21 16:00:05,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/1) ... [2022-10-21 16:00:05,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 16:00:05,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:00:05,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-21 16:00:05,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-21 16:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-21 16:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-21 16:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-21 16:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-21 16:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-21 16:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-21 16:00:05,907 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-21 16:00:06,016 INFO L234 CfgBuilder]: Building ICFG [2022-10-21 16:00:06,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-21 16:00:06,691 INFO L275 CfgBuilder]: Performing block encoding [2022-10-21 16:00:06,713 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-21 16:00:06,713 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-21 16:00:06,717 INFO L202 PluginConnector]: Adding new model queue.line677.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 04:00:06 BoogieIcfgContainer [2022-10-21 16:00:06,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-21 16:00:06,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-21 16:00:06,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-21 16:00:06,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-21 16:00:06,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:00:05" (1/2) ... [2022-10-21 16:00:06,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613dd68c and model type queue.line677.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 04:00:06, skipping insertion in model container [2022-10-21 16:00:06,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line677.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 04:00:06" (2/2) ... [2022-10-21 16:00:06,726 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.line677.bpl [2022-10-21 16:00:06,732 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-21 16:00:06,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-21 16:00:06,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-21 16:00:06,740 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-21 16:00:06,892 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-21 16:00:06,942 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:06,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:00:06,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:00:06,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:00:06,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-21 16:00:06,980 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:00:06,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 16:00:06,995 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@60438061, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:06,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:00:07,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 16:00:07,391 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:00:07,393 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-21 16:00:07,403 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:00:07,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:00:07,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:00:07,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-21 16:00:07,410 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:00:07,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 16:00:07,411 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@60438061, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:00:07,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 16:00:07,423 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:00:07,424 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-21 16:00:07,430 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:00:07,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:00:07,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:00:07,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-21 16:00:07,436 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:00:07,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-21 16:00:07,437 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@60438061, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:00:07,437 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 16:00:07,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 16:00:07,438 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:00:07,438 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-21 16:00:07,442 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:00:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:00:07,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:00:07,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-21 16:00:07,452 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:00:07,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-21 16:00:07,453 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@60438061, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:00:07,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:00:07,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:00:07,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:00:07,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1538535677, now seen corresponding path program 1 times [2022-10-21 16:00:07,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:00:07,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336170868] [2022-10-21 16:00:07,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:00:07,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:00:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:00:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-21 16:00:07,936 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:00:07,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336170868] [2022-10-21 16:00:07,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336170868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:00:07,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:00:07,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-21 16:00:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979121266] [2022-10-21 16:00:07,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:00:07,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-21 16:00:07,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:00:07,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-21 16:00:07,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-21 16:00:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:07,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:00:07,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-10-21 16:00:07,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:08,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-21 16:00:08,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:00:08,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:00:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1379602968, now seen corresponding path program 1 times [2022-10-21 16:00:08,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:00:08,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660577203] [2022-10-21 16:00:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:00:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:00:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:00:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-21 16:00:08,850 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:00:08,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660577203] [2022-10-21 16:00:08,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660577203] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 16:00:08,851 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 16:00:08,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-21 16:00:08,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697798503] [2022-10-21 16:00:08,852 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 16:00:08,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-21 16:00:08,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:00:08,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-21 16:00:08,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-21 16:00:08,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:08,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:00:08,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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) [2022-10-21 16:00:08,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:08,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:09,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:09,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-21 16:00:09,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:00:09,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:00:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 5781374, now seen corresponding path program 2 times [2022-10-21 16:00:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:00:09,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497759293] [2022-10-21 16:00:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:00:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:00:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:00:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-21 16:00:09,478 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:00:09,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497759293] [2022-10-21 16:00:09,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497759293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:00:09,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:00:09,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-21 16:00:09,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351823396] [2022-10-21 16:00:09,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:00:09,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-21 16:00:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:00:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-21 16:00:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-21 16:00:09,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:09,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:00:09,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2022-10-21 16:00:09,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:09,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:09,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:09,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-21 16:00:09,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:00:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:00:09,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1880288239, now seen corresponding path program 1 times [2022-10-21 16:00:09,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:00:09,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014824773] [2022-10-21 16:00:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:00:09,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:00:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:00:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-21 16:00:10,259 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:00:10,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014824773] [2022-10-21 16:00:10,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014824773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:00:10,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:00:10,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-21 16:00:10,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862620540] [2022-10-21 16:00:10,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:00:10,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-21 16:00:10,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:00:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-21 16:00:10,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-10-21 16:00:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:10,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:00:10,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 42.18181818181818) internal successors, (464), 12 states have internal predecessors, (464), 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) [2022-10-21 16:00:10,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:10,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:10,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:10,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:00:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:00:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:00:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:00:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-21 16:00:33,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 16:00:33,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-21 16:00:33,335 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-10-21 16:00:33,336 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-21 16:00:33,340 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-21 16:00:33,340 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-21 16:00:33,344 INFO L202 PluginConnector]: Adding new model queue.line677.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 04:00:33 BasicIcfg [2022-10-21 16:00:33,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-21 16:00:33,345 INFO L158 Benchmark]: Toolchain (without parser) took 27611.46ms. Allocated memory was 183.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 159.5MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-10-21 16:00:33,346 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 183.5MB. Free memory was 163.5MB in the beginning and 163.4MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-21 16:00:33,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 183.5MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 16:00:33,347 INFO L158 Benchmark]: Boogie Preprocessor took 57.25ms. Allocated memory is still 183.5MB. Free memory was 157.5MB in the beginning and 154.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 16:00:33,347 INFO L158 Benchmark]: RCFGBuilder took 873.21ms. Allocated memory is still 183.5MB. Free memory was 154.7MB in the beginning and 142.5MB in the end (delta: 12.2MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB. [2022-10-21 16:00:33,347 INFO L158 Benchmark]: TraceAbstraction took 26624.09ms. Allocated memory was 183.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.0MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-10-21 16:00:33,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 183.5MB. Free memory was 163.5MB in the beginning and 163.4MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 183.5MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.25ms. Allocated memory is still 183.5MB. Free memory was 157.5MB in the beginning and 154.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 873.21ms. Allocated memory is still 183.5MB. Free memory was 154.7MB in the beginning and 142.5MB in the end (delta: 12.2MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB. * TraceAbstraction took 26624.09ms. Allocated memory was 183.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.0MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3863, positive: 3685, positive conditional: 3685, positive unconditional: 0, negative: 178, negative conditional: 178, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3745, positive: 3685, positive conditional: 3685, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3745, positive: 3685, positive conditional: 3685, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3745, positive: 3685, positive conditional: 0, positive unconditional: 3685, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3745, positive: 3685, positive conditional: 0, positive unconditional: 3685, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3745, positive: 3685, positive conditional: 0, positive unconditional: 3685, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3588, positive: 3538, positive conditional: 0, positive unconditional: 3538, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3588, positive: 3538, positive conditional: 0, positive unconditional: 3538, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3745, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 3588, unknown conditional: 0, unknown unconditional: 3588] , Statistics on independence cache: Total cache size (in pairs): 3588, Positive cache size: 3538, Positive conditional cache size: 0, Positive unconditional cache size: 3538, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 118 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 1 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1355610, positive: 1325751, positive conditional: 1325751, positive unconditional: 0, negative: 29859, negative conditional: 29859, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1331705, positive: 1325751, positive conditional: 1325751, positive unconditional: 0, negative: 5954, negative conditional: 5954, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1331705, positive: 1325751, positive conditional: 1325751, positive unconditional: 0, negative: 5954, negative conditional: 5954, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1344495, positive: 1325751, positive conditional: 81, positive unconditional: 1325670, negative: 18744, negative conditional: 12709, negative unconditional: 6035, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1344495, positive: 1325751, positive conditional: 81, positive unconditional: 1325670, negative: 18744, negative conditional: 655, negative unconditional: 18089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1344495, positive: 1325751, positive conditional: 81, positive unconditional: 1325670, negative: 18744, negative conditional: 655, negative unconditional: 18089, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29288, positive: 29074, positive conditional: 2, positive unconditional: 29072, negative: 214, negative conditional: 21, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29288, positive: 29066, positive conditional: 0, positive unconditional: 29066, negative: 222, negative conditional: 0, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 222, positive: 8, positive conditional: 2, positive unconditional: 6, negative: 210, negative conditional: 19, negative unconditional: 191, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 276, positive: 11, positive conditional: 2, positive unconditional: 9, negative: 251, negative conditional: 30, negative unconditional: 221, unknown: 14, unknown conditional: 5, unknown unconditional: 9] ], Cache Queries: [ total: 1344495, positive: 1296677, positive conditional: 79, positive unconditional: 1296598, negative: 18530, negative conditional: 634, negative unconditional: 17896, unknown: 29288, unknown conditional: 23, unknown unconditional: 29265] , Statistics on independence cache: Total cache size (in pairs): 29288, Positive cache size: 29074, Positive conditional cache size: 2, Positive unconditional cache size: 29072, Negative cache size: 214, Negative conditional cache size: 21, Negative unconditional cache size: 193, Eliminated conditions: 12054, Maximal queried relation: 3, Independence queries for same thread: 23905 - PositiveResult [Line: 677]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 24.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1699 NumberOfCodeBlocks, 1699 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1695 ConstructedInterpolants, 0 QuantifiedInterpolants, 5402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 91/99 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-21 16:00:33,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-21 16:00:33,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-10-21 16:00:33,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-21 16:00:33,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-21 16:00:34,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...