/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:49:18,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:49:18,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:49:18,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 22:49:18,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 22:49:18,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 22:49:18,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 22:49:18,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 22:49:18,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 22:49:18,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 22:49:18,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 22:49:18,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 22:49:18,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:49:18,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:49:18,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:49:18,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:49:18,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:49:18,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:49:18,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:49:18,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:49:18,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:49:18,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:49:18,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:49:18,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:49:18,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 22:49:18,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 22:49:18,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 22:49:18,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 22:49:18,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 22:49:18,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 22:49:18,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 22:49:18,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 22:49:18,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 22:49:18,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 22:49:18,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 22:49:18,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 22:49:18,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 22:49:18,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 22:49:18,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:49:18,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:49:18,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:49:18,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:49:18,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:49:18,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:49:18,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:49:18,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:49:18,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:49:18,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:49:18,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:49:18,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:49:18,447 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:49:18,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:49:18,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:49:18,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:49:18,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:49:18,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:49:18,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:49:18,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:49:18,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:49:18,450 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:49:18,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:49:18,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:49:18,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:49:18,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:49:18,672 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:49:18,673 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:49:18,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl [2022-03-16 22:49:18,674 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq-array.wvr.bpl' [2022-03-16 22:49:18,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:49:18,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:49:18,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:49:18,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:49:18,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:49:18,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,720 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:49:18,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:49:18,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:49:18,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:49:18,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:49:18,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:49:18,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:49:18,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:49:18,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:49:18,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/1) ... [2022-03-16 22:49:18,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:49:18,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:18,771 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) [2022-03-16 22:49:18,774 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 [2022-03-16 22:49:18,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:49:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:49:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:49:18,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:49:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:49:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:49:18,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:49:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:49:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:49:18,801 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:49:18,835 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:49:18,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:49:18,980 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:49:18,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:49:18,992 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:49:18,994 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:49:18 BoogieIcfgContainer [2022-03-16 22:49:18,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:49:19,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:49:19,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:49:19,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:49:19,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:49:18" (1/2) ... [2022-03-16 22:49:19,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d81f52 and model type dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:49:19, skipping insertion in model container [2022-03-16 22:49:19,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:49:18" (2/2) ... [2022-03-16 22:49:19,012 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq-array.wvr.bpl [2022-03-16 22:49:19,016 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:49:19,016 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:49:19,017 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:49:19,017 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:49:19,071 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 22:49:19,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:49:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:19,131 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) [2022-03-16 22:49:19,153 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 [2022-03-16 22:49:19,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:49:19,193 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:49:19,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 22:49:20,264 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1916 transitions and produced 1624 states. [2022-03-16 22:49:20,267 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 22:49:20,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:49:20,272 INFO L85 PathProgramCache]: Analyzing trace with hash -488680381, now seen corresponding path program 1 times [2022-03-16 22:49:20,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:49:20,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991745642] [2022-03-16 22:49:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:49:20,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:49:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:49:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 39778 backedges. 3381 proven. 0 refuted. 0 times theorem prover too weak. 36397 trivial. 0 not checked. [2022-03-16 22:49:21,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:49:21,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991745642] [2022-03-16 22:49:21,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991745642] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:49:21,267 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:49:21,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:49:21,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354460806] [2022-03-16 22:49:21,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:49:21,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:49:21,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:49:21,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:49:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:49:21,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:21,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:49:21,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-03-16 22:49:21,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:23,487 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6407 transitions and produced 5053 states. [2022-03-16 22:49:23,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:23,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:49:23,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 22:49:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:49:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1051423361, now seen corresponding path program 2 times [2022-03-16 22:49:23,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:49:23,491 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999260444] [2022-03-16 22:49:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:49:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:49:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:49:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 404308 backedges. 402167 proven. 1220 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-03-16 22:49:53,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:49:53,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999260444] [2022-03-16 22:49:53,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999260444] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:49:53,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673253816] [2022-03-16 22:49:53,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:49:53,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:49:53,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:49:53,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:49:53,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:49:54,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:49:54,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:49:54,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 4751 conjuncts, 466 conjunts are in the unsatisfiable core [2022-03-16 22:49:55,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:50:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 404308 backedges. 403350 proven. 37 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-03-16 22:50:00,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:50:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 404308 backedges. 403350 proven. 37 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2022-03-16 22:50:29,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673253816] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:50:29,556 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:50:29,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [270, 270, 270] total 536 [2022-03-16 22:50:29,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310442438] [2022-03-16 22:50:29,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:50:29,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 537 states [2022-03-16 22:50:29,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:50:29,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 537 interpolants. [2022-03-16 22:50:29,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143648, Invalid=144184, Unknown=0, NotChecked=0, Total=287832 [2022-03-16 22:50:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:50:29,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:50:29,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 537 states, 537 states have (on average 6.391061452513966) internal successors, (3432), 536 states have internal predecessors, (3432), 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) [2022-03-16 22:50:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:50:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:54:58,581 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13783 transitions and produced 10689 states. [2022-03-16 22:54:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:54:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2022-03-16 22:54:58,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 22:54:58,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 22:54:58,783 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 22:54:58,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:54:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash 366670138, now seen corresponding path program 3 times [2022-03-16 22:54:58,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:54:58,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782101968] [2022-03-16 22:54:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:54:58,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:55:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:56:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1436012 backedges. 1223103 proven. 211386 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2022-03-16 22:56:48,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:56:48,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782101968] [2022-03-16 22:56:48,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782101968] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:56:48,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872737311] [2022-03-16 22:56:48,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:56:48,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:56:48,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:56:48,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:56:48,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 23:02:27,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 504 check-sat command(s) [2022-03-16 23:02:27,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:02:28,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 8406 conjuncts, 4533 conjunts are in the unsatisfiable core [2022-03-16 23:02:28,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-16 23:02:46,059 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 23:02:46,062 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 23:02:46,091 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:02:46,091 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:02:46,091 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:02:46,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 23:02:46,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:02:46,264 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 4916 with TraceHistMax 701,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 7ms.. [2022-03-16 23:02:46,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 23:02:46,265 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 23:02:46,271 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-03-16 23:02:46,273 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:02:46,273 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:02:46,275 INFO L202 PluginConnector]: Adding new model dec-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:02:46 BasicIcfg [2022-03-16 23:02:46,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:02:46,276 INFO L158 Benchmark]: Toolchain (without parser) took 807576.92ms. Allocated memory was 206.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 166.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 23:02:46,276 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:02:46,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.37ms. Allocated memory is still 206.6MB. Free memory was 166.0MB in the beginning and 164.6MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 23:02:46,277 INFO L158 Benchmark]: Boogie Preprocessor took 13.42ms. Allocated memory is still 206.6MB. Free memory was 164.5MB in the beginning and 163.6MB in the end (delta: 918.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:02:46,277 INFO L158 Benchmark]: RCFGBuilder took 256.91ms. Allocated memory is still 206.6MB. Free memory was 163.6MB in the beginning and 154.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 23:02:46,278 INFO L158 Benchmark]: TraceAbstraction took 807275.15ms. Allocated memory was 206.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 153.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-03-16 23:02:46,279 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 0.11ms. Allocated memory is still 206.6MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.37ms. Allocated memory is still 206.6MB. Free memory was 166.0MB in the beginning and 164.6MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.42ms. Allocated memory is still 206.6MB. Free memory was 164.5MB in the beginning and 163.6MB in the end (delta: 918.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.91ms. Allocated memory is still 206.6MB. Free memory was 163.6MB in the beginning and 154.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 807275.15ms. Allocated memory was 206.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 153.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 4916 with TraceHistMax 701,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 7ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 4916 with TraceHistMax 701,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 7ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 4916 with TraceHistMax 701,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 807.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 272.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 275, 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: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 62.6s InterpolantComputationTime, 5473 NumberOfCodeBlocks, 5473 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7839 ConstructedInterpolants, 0 QuantifiedInterpolants, 36195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4751 ConjunctsInSsa, 466 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1251408/1252702 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 could not prove your program: Timeout Completed graceful shutdown