/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/queue-add-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:14:56,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:14:56,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:14:56,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:14:56,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:14:56,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:14:56,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:14:56,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:14:56,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:14:56,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:14:56,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:14:56,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:14:56,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:14:56,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:14:56,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:14:56,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:14:56,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:14:56,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:14:56,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:14:56,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:14:56,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:14:56,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:14:56,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:14:56,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:14:56,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 10:14:56,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 10:14:56,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 10:14:56,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 10:14:56,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 10:14:56,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 10:14:56,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 10:14:56,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 10:14:56,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 10:14:56,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:14:56,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:14:56,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:14:56,525 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 [2022-03-02 10:14:56,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:14:56,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:14:56,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:14:56,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:14:56,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:14:56,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:14:56,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:14:56,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:14:56,547 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:14:56,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:14:56,547 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:14:56,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:14:56,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:14:56,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:14:56,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:14:56,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:14:56,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:14:56,550 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:14:56,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:14:56,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:14:56,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:14:56,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:14:56,728 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:14:56,728 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:14:56,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl [2022-03-02 10:14:56,729 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl' [2022-03-02 10:14:56,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:14:56,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:14:56,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:14:56,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:14:56,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:14:56,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,765 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:14:56,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:14:56,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:14:56,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:14:56,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:14:56,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:14:56,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:14:56,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:14:56,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:14:56,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/1) ... [2022-03-02 10:14:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:14:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:14:56,802 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) [2022-03-02 10:14:56,807 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 [2022-03-02 10:14:56,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:14:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:14:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:14:56,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:14:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:14:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:14:56,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:14:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:14:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:14:56,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:14:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:14:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:14:56,837 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:14:56,871 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:14:56,872 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:14:56,947 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:14:56,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:14:56,960 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:14:56,961 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:14:56 BoogieIcfgContainer [2022-03-02 10:14:56,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:14:56,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:14:56,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:14:56,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:14:56,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:14:56" (1/2) ... [2022-03-02 10:14:56,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7797d4d9 and model type queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:14:56, skipping insertion in model container [2022-03-02 10:14:56,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:14:56" (2/2) ... [2022-03-02 10:14:56,966 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-3.wvr.bpl [2022-03-02 10:14:56,969 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:14:56,969 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:14:56,969 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:14:56,969 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:14:56,994 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:14:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:14:57,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:14:57,070 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) [2022-03-02 10:14:57,071 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 [2022-03-02 10:14:57,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:14:57,097 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 [2022-03-02 10:14:57,098 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:14:57,630 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1495 transitions and produced 1394 states. [2022-03-02 10:14:57,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:14:57,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:14:57,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1129976050, now seen corresponding path program 1 times [2022-03-02 10:14:57,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:14:57,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107018929] [2022-03-02 10:14:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:14:57,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:14:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:14:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 8529 proven. 11708 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-03-02 10:14:58,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:14:58,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107018929] [2022-03-02 10:14:58,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107018929] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:14:58,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089962712] [2022-03-02 10:14:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:14:58,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:14:58,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:14:58,869 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) [2022-03-02 10:14:58,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:14:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:14:59,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-02 10:14:59,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:15:00,205 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-03-02 10:15:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 1316 proven. 17224 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2022-03-02 10:15:00,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:15:00,910 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:15:00,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-02 10:15:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 22808 backedges. 2192 proven. 16348 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2022-03-02 10:15:01,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089962712] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:15:01,242 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:15:01,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 33 [2022-03-02 10:15:01,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444573955] [2022-03-02 10:15:01,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:15:01,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-02 10:15:01,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:15:01,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-02 10:15:01,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1053, Unknown=0, NotChecked=0, Total=1122 [2022-03-02 10:15:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:01,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:15:01,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.529411764705882) internal successors, (222), 33 states have internal predecessors, (222), 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) [2022-03-02 10:15:01,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:02,873 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2009 transitions and produced 1846 states. [2022-03-02 10:15:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:02,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:15:03,091 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,SelfDestructingSolverStorable0 [2022-03-02 10:15:03,091 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:15:03,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:15:03,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1762590072, now seen corresponding path program 2 times [2022-03-02 10:15:03,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:15:03,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132014653] [2022-03-02 10:15:03,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:15:03,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:15:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:15:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 21812 refuted. 0 times theorem prover too weak. 5091 trivial. 0 not checked. [2022-03-02 10:15:03,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:15:03,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132014653] [2022-03-02 10:15:03,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132014653] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:15:03,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332466980] [2022-03-02 10:15:03,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:15:03,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:03,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:15:03,919 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) [2022-03-02 10:15:03,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 10:15:04,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:15:04,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:15:04,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 370 conjunts are in the unsatisfiable core [2022-03-02 10:15:04,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:15:10,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:15:10,988 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-02 10:15:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 23240 refuted. 0 times theorem prover too weak. 3663 trivial. 0 not checked. [2022-03-02 10:15:11,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:15:12,370 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:15:12,370 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-02 10:15:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 44807 backedges. 17904 proven. 21812 refuted. 0 times theorem prover too weak. 5091 trivial. 0 not checked. [2022-03-02 10:15:12,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332466980] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:15:12,453 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:15:12,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 130, 25] total 153 [2022-03-02 10:15:12,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90972230] [2022-03-02 10:15:12,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:15:12,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2022-03-02 10:15:12,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:15:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2022-03-02 10:15:12,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=23013, Unknown=0, NotChecked=0, Total=23562 [2022-03-02 10:15:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:12,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:15:12,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 4.012987012987013) internal successors, (618), 153 states have internal predecessors, (618), 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) [2022-03-02 10:15:12,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:12,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:26,629 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3365 transitions and produced 3173 states. [2022-03-02 10:15:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:26,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 10:15:26,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:26,849 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:15:26,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:15:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash -59386045, now seen corresponding path program 3 times [2022-03-02 10:15:26,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:15:26,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779519099] [2022-03-02 10:15:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:15:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:15:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:15:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 36480 proven. 79739 refuted. 0 times theorem prover too weak. 20232 trivial. 0 not checked. [2022-03-02 10:15:28,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:15:28,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779519099] [2022-03-02 10:15:28,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779519099] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:15:28,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533764317] [2022-03-02 10:15:28,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:15:28,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:28,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:15:28,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:15:28,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 10:15:30,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 280 check-sat command(s) [2022-03-02 10:15:30,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:15:30,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2276 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-02 10:15:30,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:15:32,441 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-02 10:15:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 0 proven. 112525 refuted. 0 times theorem prover too weak. 23926 trivial. 0 not checked. [2022-03-02 10:15:32,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:15:33,170 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:15:33,170 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-02 10:15:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 136451 backedges. 729 proven. 111796 refuted. 0 times theorem prover too weak. 23926 trivial. 0 not checked. [2022-03-02 10:15:34,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533764317] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:15:34,399 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:15:34,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 27] total 59 [2022-03-02 10:15:34,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238563717] [2022-03-02 10:15:34,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:15:34,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-03-02 10:15:34,400 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:15:34,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-03-02 10:15:34,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3419, Unknown=0, NotChecked=0, Total=3540 [2022-03-02 10:15:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:34,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:15:34,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.266666666666667) internal successors, (376), 59 states have internal predecessors, (376), 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) [2022-03-02 10:15:34,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:34,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:38,950 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4228 transitions and produced 3937 states. [2022-03-02 10:15:38,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:38,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:38,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:15:38,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 10:15:39,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:39,171 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:15:39,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:15:39,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1984554930, now seen corresponding path program 4 times [2022-03-02 10:15:39,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:15:39,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623929498] [2022-03-02 10:15:39,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:15:39,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:15:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:15:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-02 10:15:40,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:15:40,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623929498] [2022-03-02 10:15:40,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623929498] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:15:40,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417612039] [2022-03-02 10:15:40,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:15:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:15:40,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:15:40,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 10:15:40,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:15:40,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:15:40,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-02 10:15:40,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:15:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-02 10:15:43,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:15:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 225787 backedges. 33654 proven. 165921 refuted. 0 times theorem prover too weak. 26212 trivial. 0 not checked. [2022-03-02 10:15:45,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417612039] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:15:45,361 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:15:45,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 20 [2022-03-02 10:15:45,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946165607] [2022-03-02 10:15:45,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:15:45,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-02 10:15:45,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:15:45,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-02 10:15:45,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-03-02 10:15:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:45,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:15:45,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.666666666666666) internal successors, (245), 20 states have internal predecessors, (245), 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) [2022-03-02 10:15:45,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:45,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:45,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:15:45,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:46,308 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4922 transitions and produced 4599 states. [2022-03-02 10:15:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:15:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:15:46,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 10:15:46,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:46,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:15:46,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:15:46,524 INFO L85 PathProgramCache]: Analyzing trace with hash 906821316, now seen corresponding path program 5 times [2022-03-02 10:15:46,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:15:46,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594800732] [2022-03-02 10:15:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:15:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:15:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:15:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 102612 proven. 153871 refuted. 0 times theorem prover too weak. 31559 trivial. 0 not checked. [2022-03-02 10:15:49,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:15:49,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594800732] [2022-03-02 10:15:49,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594800732] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:15:49,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142997202] [2022-03-02 10:15:49,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:15:49,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:15:49,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:15:49,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:15:49,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 10:15:52,146 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 408 check-sat command(s) [2022-03-02 10:15:52,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:15:52,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 3558 conjuncts, 78 conjunts are in the unsatisfiable core [2022-03-02 10:15:52,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:15:56,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-02 10:15:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 0 proven. 261233 refuted. 0 times theorem prover too weak. 26809 trivial. 0 not checked. [2022-03-02 10:15:56,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:15:57,720 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:15:57,720 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-02 10:15:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 288042 backedges. 912 proven. 260321 refuted. 0 times theorem prover too weak. 26809 trivial. 0 not checked. [2022-03-02 10:15:59,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142997202] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:15:59,644 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:15:59,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 41, 41] total 89 [2022-03-02 10:15:59,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768706348] [2022-03-02 10:15:59,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:15:59,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2022-03-02 10:15:59,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:15:59,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2022-03-02 10:15:59,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=7829, Unknown=0, NotChecked=0, Total=8010 [2022-03-02 10:15:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:15:59,649 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:15:59,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.322222222222222) internal successors, (569), 89 states have internal predecessors, (569), 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) [2022-03-02 10:15:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:15:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:15:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:15:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:15:59,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:16:08,646 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5701 transitions and produced 5272 states. [2022-03-02 10:16:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:16:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:16:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:16:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:16:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:16:08,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 10:16:08,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:16:08,867 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:16:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:16:08,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1662506535, now seen corresponding path program 6 times [2022-03-02 10:16:08,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:16:08,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787905592] [2022-03-02 10:16:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:16:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:16:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:16:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-02 10:16:12,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:16:12,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787905592] [2022-03-02 10:16:12,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787905592] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:16:12,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780396570] [2022-03-02 10:16:12,018 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 10:16:12,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:16:12,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:16:12,021 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:16:12,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 10:16:15,677 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 448 check-sat command(s) [2022-03-02 10:16:15,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:16:15,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 104 conjunts are in the unsatisfiable core [2022-03-02 10:16:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:16:17,120 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-02 10:16:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-02 10:16:17,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:16:20,069 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:16:20,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-02 10:16:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 412782 backedges. 174400 proven. 183986 refuted. 0 times theorem prover too weak. 54396 trivial. 0 not checked. [2022-03-02 10:16:20,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780396570] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:16:20,288 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:16:20,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 79 [2022-03-02 10:16:20,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94617681] [2022-03-02 10:16:20,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:16:20,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-02 10:16:20,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:16:20,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-02 10:16:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=6137, Unknown=0, NotChecked=0, Total=6320 [2022-03-02 10:16:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:16:20,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:16:20,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.4375) internal successors, (515), 79 states have internal predecessors, (515), 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) [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:16:20,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:16:24,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6067 transitions and produced 5609 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:16:24,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:16:24,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-02 10:16:24,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:16:24,372 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:16:24,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:16:24,372 INFO L85 PathProgramCache]: Analyzing trace with hash 119947225, now seen corresponding path program 7 times [2022-03-02 10:16:24,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:16:24,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058258760] [2022-03-02 10:16:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:16:24,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:16:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:16:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 188800 proven. 218759 refuted. 0 times theorem prover too weak. 54021 trivial. 0 not checked. [2022-03-02 10:16:28,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:16:28,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058258760] [2022-03-02 10:16:28,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058258760] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:16:28,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570183492] [2022-03-02 10:16:28,410 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 10:16:28,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:16:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:16:28,411 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:16:28,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 10:16:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:16:29,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 4511 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-02 10:16:29,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:16:34,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-02 10:16:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 0 proven. 434588 refuted. 0 times theorem prover too weak. 26992 trivial. 0 not checked. [2022-03-02 10:16:34,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:16:35,048 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:16:35,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-02 10:16:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 461580 backedges. 729 proven. 433859 refuted. 0 times theorem prover too weak. 26992 trivial. 0 not checked. [2022-03-02 10:16:36,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570183492] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:16:36,704 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:16:36,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 55, 55] total 115 [2022-03-02 10:16:36,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24666906] [2022-03-02 10:16:36,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:16:36,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-03-02 10:16:36,707 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:16:36,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-03-02 10:16:36,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13107, Unknown=0, NotChecked=0, Total=13340 [2022-03-02 10:16:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:16:36,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:16:36,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 6.379310344827586) internal successors, (740), 115 states have internal predecessors, (740), 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) [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:16:36,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:16:53,184 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6930 transitions and produced 6373 states. [2022-03-02 10:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:16:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:16:53,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:16:53,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 10:16:53,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-02 10:16:53,400 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:16:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:16:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1734260196, now seen corresponding path program 8 times [2022-03-02 10:16:53,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:16:53,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055090745] [2022-03-02 10:16:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:16:53,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:16:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:16:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-02 10:16:55,441 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:16:55,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055090745] [2022-03-02 10:16:55,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055090745] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:16:55,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101376475] [2022-03-02 10:16:55,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:16:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:16:55,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:16:55,442 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:16:55,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 10:16:56,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:16:56,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:16:57,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 5215 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-02 10:16:57,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:17:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-02 10:17:00,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:17:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 616534 backedges. 152304 proven. 431592 refuted. 0 times theorem prover too weak. 32638 trivial. 0 not checked. [2022-03-02 10:17:02,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101376475] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:17:02,655 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:17:02,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 34 [2022-03-02 10:17:02,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625830144] [2022-03-02 10:17:02,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:17:02,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-02 10:17:02,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:17:02,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-02 10:17:02,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2022-03-02 10:17:02,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:17:02,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:17:02,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 11.8) internal successors, (413), 34 states have internal predecessors, (413), 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) [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:17:02,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:17:04,179 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7624 transitions and produced 7035 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:17:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:17:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:17:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:17:04,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 10:17:04,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:17:04,396 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:17:04,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:17:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1237788250, now seen corresponding path program 9 times [2022-03-02 10:17:04,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:17:04,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102137997] [2022-03-02 10:17:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:17:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:17:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:17:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 305164 proven. 327555 refuted. 0 times theorem prover too weak. 84220 trivial. 0 not checked. [2022-03-02 10:17:11,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:17:11,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102137997] [2022-03-02 10:17:11,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102137997] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:17:11,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676386571] [2022-03-02 10:17:11,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:17:11,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:17:11,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:17:11,273 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:17:11,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 10:17:18,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 579 check-sat command(s) [2022-03-02 10:17:18,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:17:19,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 5596 conjuncts, 134 conjunts are in the unsatisfiable core [2022-03-02 10:17:19,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:17:25,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-02 10:17:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 0 proven. 687064 refuted. 0 times theorem prover too weak. 29875 trivial. 0 not checked. [2022-03-02 10:17:25,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:17:27,257 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:17:27,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-03-02 10:17:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 716939 backedges. 912 proven. 686152 refuted. 0 times theorem prover too weak. 29875 trivial. 0 not checked. [2022-03-02 10:17:29,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676386571] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:17:29,497 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:17:29,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 69, 69] total 145 [2022-03-02 10:17:29,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154095745] [2022-03-02 10:17:29,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:17:29,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2022-03-02 10:17:29,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:17:29,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2022-03-02 10:17:29,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=20877, Unknown=0, NotChecked=0, Total=21170 [2022-03-02 10:17:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:17:29,503 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:17:29,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 6.390410958904109) internal successors, (933), 145 states have internal predecessors, (933), 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) [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:17:29,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:17:58,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8403 transitions and produced 7708 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:17:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:17:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:17:58,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 10:17:59,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 10:17:59,015 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:17:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:17:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash -606274449, now seen corresponding path program 10 times [2022-03-02 10:17:59,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:17:59,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405089261] [2022-03-02 10:17:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:17:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 369514 refuted. 0 times theorem prover too weak. 127063 trivial. 0 not checked. [2022-03-02 10:18:07,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:07,165 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405089261] [2022-03-02 10:18:07,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405089261] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:18:07,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746345980] [2022-03-02 10:18:07,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:18:07,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:07,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:07,179 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:18:07,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 10:18:09,568 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:18:09,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:18:10,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 6334 conjuncts, 1634 conjunts are in the unsatisfiable core [2022-03-02 10:18:10,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:19:24,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:19:24,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-03-02 10:19:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 382958 refuted. 0 times theorem prover too weak. 113619 trivial. 0 not checked. [2022-03-02 10:19:25,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:19:34,687 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:19:34,687 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-02 10:19:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 907297 backedges. 410720 proven. 369514 refuted. 0 times theorem prover too weak. 127063 trivial. 0 not checked. [2022-03-02 10:19:35,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746345980] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:19:35,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:19:35,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 537, 81] total 616 [2022-03-02 10:19:35,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444612903] [2022-03-02 10:19:35,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:19:35,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 617 states [2022-03-02 10:19:35,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:19:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 617 interpolants. [2022-03-02 10:19:35,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2261, Invalid=377811, Unknown=0, NotChecked=0, Total=380072 [2022-03-02 10:19:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:35,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:19:35,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 617 states, 617 states have (on average 3.8038897893030796) internal successors, (2347), 616 states have internal predecessors, (2347), 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) [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:19:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:19:35,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:19:35,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:19:35,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:19:35,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:26:07,619 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12279 transitions and produced 11555 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:26:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 502 states. [2022-03-02 10:26:07,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-02 10:26:07,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-02 10:26:07,843 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:26:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:26:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2137817146, now seen corresponding path program 11 times [2022-03-02 10:26:07,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:26:07,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091541001] [2022-03-02 10:26:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:26:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:26:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:26:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 721616 proven. 903106 refuted. 0 times theorem prover too weak. 386554 trivial. 0 not checked. [2022-03-02 10:26:26,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:26:26,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091541001] [2022-03-02 10:26:26,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091541001] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:26:26,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532048432] [2022-03-02 10:26:26,834 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:26:26,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:26:26,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:26:26,851 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:26:26,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-02 10:26:47,422 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1157 check-sat command(s) [2022-03-02 10:26:47,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:26:49,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 9040 conjuncts, 164 conjunts are in the unsatisfiable core [2022-03-02 10:26:49,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:26:55,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-03-02 10:27:01,361 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-03-02 10:27:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 0 proven. 1675497 refuted. 0 times theorem prover too weak. 335779 trivial. 0 not checked. [2022-03-02 10:27:01,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:27:03,989 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:27:03,989 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-02 10:27:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2011276 backedges. 729 proven. 1674816 refuted. 0 times theorem prover too weak. 335731 trivial. 0 not checked. [2022-03-02 10:27:09,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532048432] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:27:09,629 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:27:09,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 83, 84] total 172 [2022-03-02 10:27:09,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197734324] [2022-03-02 10:27:09,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:27:09,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-02 10:27:09,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:27:09,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-02 10:27:09,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=29408, Unknown=0, NotChecked=0, Total=29756 [2022-03-02 10:27:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:27:09,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:27:09,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 6.404624277456647) internal successors, (1108), 172 states have internal predecessors, (1108), 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) [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:27:09,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:27:09,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:27:09,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:27:09,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:27:09,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 502 states. [2022-03-02 10:27:09,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:27:54,380 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13142 transitions and produced 12319 states. [2022-03-02 10:27:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 502 states. [2022-03-02 10:27:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-02 10:27:54,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-02 10:27:54,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-02 10:27:54,596 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:27:54,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:27:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash 903880079, now seen corresponding path program 12 times [2022-03-02 10:27:54,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:27:54,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631201042] [2022-03-02 10:27:54,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:27:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:27:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:28:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2322406 backedges. 356410 proven. 1621211 refuted. 0 times theorem prover too weak. 344785 trivial. 0 not checked. [2022-03-02 10:28:01,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:28:01,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631201042] [2022-03-02 10:28:01,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631201042] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:28:01,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113185172] [2022-03-02 10:28:01,853 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 10:28:01,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:28:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:28:01,855 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:28:01,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-02 10:28:32,428 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1232 check-sat command(s) [2022-03-02 10:28:32,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:28:33,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 9660 conjuncts, 186 conjunts are in the unsatisfiable core [2022-03-02 10:28:33,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:28:40,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-02 10:28:40,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-03-02 10:28:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2322406 backedges. 899704 proven. 988030 refuted. 0 times theorem prover too weak. 434672 trivial. 0 not checked. [2022-03-02 10:28:41,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:28:42,503 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-03-02 10:28:49,169 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-02 10:28:49,169 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2022-03-02 10:28:49,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2322406 backedges. 899704 proven. 988030 refuted. 0 times theorem prover too weak. 434672 trivial. 0 not checked. [2022-03-02 10:28:49,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113185172] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:28:49,967 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:28:49,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 93, 93] total 186 [2022-03-02 10:28:49,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547639125] [2022-03-02 10:28:49,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:28:49,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2022-03-02 10:28:49,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:28:49,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2022-03-02 10:28:49,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1498, Invalid=33284, Unknown=0, NotChecked=0, Total=34782 [2022-03-02 10:28:49,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:28:49,974 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:28:49,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 7.786096256684492) internal successors, (1456), 186 states have internal predecessors, (1456), 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) [2022-03-02 10:28:49,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-02 10:28:49,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2022-03-02 10:28:49,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 10:28:49,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 10:28:49,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 502 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-03-02 10:28:49,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-02 10:29:08,019 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:29:08,019 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 [2022-03-02 10:29:08,019 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 [2022-03-02 10:29:08,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-03-02 10:29:08,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-02 10:29:08,187 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. [2022-03-02 10:29:08,188 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:29:08,189 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:29:08,189 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:29:08,189 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:29:08,193 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-03-02 10:29:08,194 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:29:08,194 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:29:08,196 INFO L202 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:29:08 BasicIcfg [2022-03-02 10:29:08,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:29:08,196 INFO L158 Benchmark]: Toolchain (without parser) took 851450.25ms. Allocated memory was 210.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 175.5MB in the beginning and 728.8MB in the end (delta: -553.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 10:29:08,196 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:29:08,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.68ms. Allocated memory is still 210.8MB. Free memory was 175.5MB in the beginning and 173.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:29:08,196 INFO L158 Benchmark]: Boogie Preprocessor took 10.24ms. Allocated memory is still 210.8MB. Free memory was 173.9MB in the beginning and 173.0MB in the end (delta: 920.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:29:08,197 INFO L158 Benchmark]: RCFGBuilder took 184.46ms. Allocated memory is still 210.8MB. Free memory was 172.9MB in the beginning and 162.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 10:29:08,197 INFO L158 Benchmark]: TraceAbstraction took 851233.17ms. Allocated memory was 210.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 162.3MB in the beginning and 728.8MB in the end (delta: -566.5MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 10:29:08,198 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 0.09ms. Allocated memory is still 210.8MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.68ms. Allocated memory is still 210.8MB. Free memory was 175.5MB in the beginning and 173.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.24ms. Allocated memory is still 210.8MB. Free memory was 173.9MB in the beginning and 173.0MB in the end (delta: 920.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 184.46ms. Allocated memory is still 210.8MB. Free memory was 172.9MB in the beginning and 162.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 851233.17ms. Allocated memory was 210.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 162.3MB in the beginning and 728.8MB in the end (delta: -566.5MB). Peak memory consumption was 1.4GB. 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: 88]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 299 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 63 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 537.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1460, 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: 1.1s SsaConstructionTime, 106.7s SatisfiabilityAnalysisTime, 202.3s InterpolantComputationTime, 48066 NumberOfCodeBlocks, 47893 NumberOfCodeBlocksAsserted, 4124 NumberOfCheckSat, 72063 ConstructedInterpolants, 0 QuantifiedInterpolants, 414528 SizeOfPredicates, 54 NumberOfNonLiveVariables, 56022 ConjunctsInSsa, 2950 ConjunctsInUnsatCore, 36 InterpolantComputations, 0 PerfectInterpolantSequences, 9303348/24500127 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