/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 14:40:59,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 14:40:59,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 14:40:59,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 14:40:59,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 14:40:59,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 14:40:59,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 14:40:59,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 14:40:59,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 14:40:59,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 14:40:59,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 14:40:59,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 14:40:59,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 14:40:59,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 14:40:59,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 14:40:59,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 14:40:59,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 14:40:59,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 14:40:59,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 14:40:59,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 14:40:59,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 14:40:59,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 14:40:59,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 14:40:59,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 14:40:59,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 14:40:59,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 14:40:59,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 14:40:59,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 14:40:59,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 14:40:59,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 14:40:59,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 14:40:59,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 14:40:59,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 14:40:59,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 14:40:59,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 14:40:59,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 14:40:59,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 14:40:59,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 14:40:59,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 14:40:59,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 14:40:59,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 14:40:59,366 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 14:40:59,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 14:40:59,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 14:40:59,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 14:40:59,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 14:40:59,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 14:40:59,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 14:40:59,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 14:40:59,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 14:40:59,395 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 14:40:59,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 14:40:59,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 14:40:59,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 14:40:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:40:59,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 14:40:59,398 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 14:40:59,399 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 14:40:59,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 14:40:59,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 14:40:59,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 14:40:59,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 14:40:59,615 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 14:40:59,616 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 14:40:59,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2022-02-09 14:40:59,617 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2022-02-09 14:40:59,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 14:40:59,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 14:40:59,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 14:40:59,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 14:40:59,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 14:40:59,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,666 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 14:40:59,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 14:40:59,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 14:40:59,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 14:40:59,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 14:40:59,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 14:40:59,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 14:40:59,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 14:40:59,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 14:40:59,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/1) ... [2022-02-09 14:40:59,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:40:59,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:40:59,711 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) [2022-02-09 14:40:59,725 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 [2022-02-09 14:40:59,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 14:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 14:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 14:40:59,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 14:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 14:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 14:40:59,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 14:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 14:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 14:40:59,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 14:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 14:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 14:40:59,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 14:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 14:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 14:40:59,739 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 14:40:59,772 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 14:40:59,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 14:40:59,882 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 14:40:59,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 14:40:59,894 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 14:40:59,896 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:40:59 BoogieIcfgContainer [2022-02-09 14:40:59,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 14:40:59,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 14:40:59,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 14:40:59,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 14:40:59,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:40:59" (1/2) ... [2022-02-09 14:40:59,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11697e7 and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 02:40:59, skipping insertion in model container [2022-02-09 14:40:59,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:40:59" (2/2) ... [2022-02-09 14:40:59,916 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2022-02-09 14:40:59,918 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 14:40:59,919 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 14:40:59,919 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 14:40:59,919 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 14:40:59,946 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 14:40:59,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 14:40:59,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:40:59,997 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) [2022-02-09 14:40:59,998 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 [2022-02-09 14:41:00,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 14:41:00,048 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 [2022-02-09 14:41:00,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 14:41:00,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:00,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:00,309 INFO L85 PathProgramCache]: Analyzing trace with hash 220507589, now seen corresponding path program 1 times [2022-02-09 14:41:00,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:00,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649417222] [2022-02-09 14:41:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:00,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:00,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:00,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649417222] [2022-02-09 14:41:00,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649417222] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:00,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630663306] [2022-02-09 14:41:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:00,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:00,699 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) [2022-02-09 14:41:00,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 14:41:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:00,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 14:41:00,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:00,991 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 24 treesize of output 17 [2022-02-09 14:41:01,070 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 13 treesize of output 9 [2022-02-09 14:41:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:01,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:02,113 INFO L353 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2022-02-09 14:41:02,114 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 293 treesize of output 285 [2022-02-09 14:41:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:02,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630663306] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:02,821 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:02,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-02-09 14:41:02,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140741081] [2022-02-09 14:41:02,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:02,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 14:41:02,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:02,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 14:41:02,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-02-09 14:41:02,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:02,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:02,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 18 states have internal predecessors, (63), 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) [2022-02-09 14:41:02,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:03,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 14:41:03,217 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 [2022-02-09 14:41:03,217 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:03,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:03,218 INFO L85 PathProgramCache]: Analyzing trace with hash -458629721, now seen corresponding path program 2 times [2022-02-09 14:41:03,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:03,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145138294] [2022-02-09 14:41:03,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:03,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:03,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:03,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:03,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145138294] [2022-02-09 14:41:03,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145138294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:03,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993461828] [2022-02-09 14:41:03,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:41:03,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:03,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:03,275 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) [2022-02-09 14:41:03,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 14:41:03,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:41:03,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:03,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-09 14:41:03,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:03,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:41:03,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993461828] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:03,434 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:03,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-09 14:41:03,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589023961] [2022-02-09 14:41:03,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:03,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 14:41:03,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 14:41:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-09 14:41:03,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:03,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:03,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-09 14:41:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:03,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:03,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:03,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:03,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:03,778 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 [2022-02-09 14:41:03,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:03,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:03,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1052994393, now seen corresponding path program 3 times [2022-02-09 14:41:03,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:03,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022004668] [2022-02-09 14:41:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:03,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:03,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:03,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:03,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022004668] [2022-02-09 14:41:03,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022004668] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:03,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599098769] [2022-02-09 14:41:03,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:41:03,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:03,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:03,844 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) [2022-02-09 14:41:03,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 14:41:03,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 14:41:03,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:03,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-09 14:41:03,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:03,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:04,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599098769] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:04,019 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:04,019 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-09 14:41:04,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302169885] [2022-02-09 14:41:04,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:04,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 14:41:04,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 14:41:04,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-09 14:41:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:04,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:04,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2022-02-09 14:41:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:04,314 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 [2022-02-09 14:41:04,314 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:04,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2059058009, now seen corresponding path program 4 times [2022-02-09 14:41:04,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:04,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750383362] [2022-02-09 14:41:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:04,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 14:41:04,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:04,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750383362] [2022-02-09 14:41:04,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750383362] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:04,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173506759] [2022-02-09 14:41:04,382 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:41:04,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:04,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:04,384 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) [2022-02-09 14:41:04,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 14:41:04,435 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:41:04,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:04,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 14:41:04,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 14:41:04,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 14:41:04,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173506759] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:04,563 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:04,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-02-09 14:41:04,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124067415] [2022-02-09 14:41:04,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:04,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 14:41:04,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:04,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 14:41:04,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-09 14:41:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:04,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:04,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 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) [2022-02-09 14:41:04,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:04,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:04,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:04,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:04,875 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 [2022-02-09 14:41:04,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:04,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:04,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1121827227, now seen corresponding path program 5 times [2022-02-09 14:41:04,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:04,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998479895] [2022-02-09 14:41:04,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:04,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 14:41:04,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:04,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998479895] [2022-02-09 14:41:04,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998479895] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:04,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882596466] [2022-02-09 14:41:04,937 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:41:04,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:04,938 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) [2022-02-09 14:41:04,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 14:41:04,989 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-09 14:41:04,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 14:41:04,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 14:41:05,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 14:41:05,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882596466] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:05,159 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:05,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 16 [2022-02-09 14:41:05,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16962413] [2022-02-09 14:41:05,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:05,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 14:41:05,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:05,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 14:41:05,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-02-09 14:41:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:05,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:05,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.235294117647059) internal successors, (72), 16 states have internal predecessors, (72), 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) [2022-02-09 14:41:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:05,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:05,755 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 [2022-02-09 14:41:05,756 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:05,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:05,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1300351497, now seen corresponding path program 6 times [2022-02-09 14:41:05,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:05,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977868859] [2022-02-09 14:41:05,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:05,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-09 14:41:05,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:05,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977868859] [2022-02-09 14:41:05,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977868859] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:05,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786755032] [2022-02-09 14:41:05,834 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:41:05,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:05,835 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) [2022-02-09 14:41:05,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 14:41:05,875 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-02-09 14:41:05,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:05,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 14:41:05,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:06,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:06,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786755032] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:06,111 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:06,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 19 [2022-02-09 14:41:06,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866301432] [2022-02-09 14:41:06,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:06,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 14:41:06,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:06,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 14:41:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-02-09 14:41:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:06,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:06,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 19 states have internal predecessors, (74), 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) [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:06,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:06,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:06,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:06,773 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 [2022-02-09 14:41:06,774 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:06,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:06,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1061190945, now seen corresponding path program 7 times [2022-02-09 14:41:06,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:06,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325041197] [2022-02-09 14:41:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:06,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 14:41:06,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:06,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325041197] [2022-02-09 14:41:06,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325041197] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:06,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965146798] [2022-02-09 14:41:06,894 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 14:41:06,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:06,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:06,902 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) [2022-02-09 14:41:06,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 14:41:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:06,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-09 14:41:06,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:07,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:07,289 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 14:41:07,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965146798] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:07,289 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:07,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 24 [2022-02-09 14:41:07,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358481400] [2022-02-09 14:41:07,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:07,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-09 14:41:07,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:07,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-09 14:41:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2022-02-09 14:41:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:07,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:07,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.52) internal successors, (88), 24 states have internal predecessors, (88), 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) [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:07,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:07,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:08,081 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 [2022-02-09 14:41:08,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:08,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:08,082 INFO L85 PathProgramCache]: Analyzing trace with hash 95505997, now seen corresponding path program 8 times [2022-02-09 14:41:08,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:08,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286947053] [2022-02-09 14:41:08,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:08,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-09 14:41:08,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:08,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286947053] [2022-02-09 14:41:08,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286947053] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:08,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517527338] [2022-02-09 14:41:08,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:41:08,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:08,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:08,188 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) [2022-02-09 14:41:08,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 14:41:08,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:41:08,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:08,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-09 14:41:08,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-09 14:41:08,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-02-09 14:41:08,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517527338] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:08,571 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:08,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 27 [2022-02-09 14:41:08,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628693690] [2022-02-09 14:41:08,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:08,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-09 14:41:08,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:08,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-09 14:41:08,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2022-02-09 14:41:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:08,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:08,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 27 states have internal predecessors, (90), 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) [2022-02-09 14:41:08,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:08,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:41:09,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:09,333 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 [2022-02-09 14:41:09,333 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1737783773, now seen corresponding path program 9 times [2022-02-09 14:41:09,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:09,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797666382] [2022-02-09 14:41:09,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:09,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 36 proven. 92 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-02-09 14:41:09,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:09,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797666382] [2022-02-09 14:41:09,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797666382] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:09,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001135574] [2022-02-09 14:41:09,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:41:09,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:09,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:09,453 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) [2022-02-09 14:41:09,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 14:41:09,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-09 14:41:09,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:09,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-09 14:41:09,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:09,691 INFO L353 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-02-09 14:41:09,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2022-02-09 14:41:09,882 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:41:09,883 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 48 treesize of output 46 [2022-02-09 14:41:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-02-09 14:41:10,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:10,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 14:41:10,561 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 14:41:10,563 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 38 treesize of output 33 [2022-02-09 14:41:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 43 proven. 18 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-02-09 14:41:10,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001135574] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:10,623 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:10,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 35 [2022-02-09 14:41:10,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512341485] [2022-02-09 14:41:10,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:10,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-09 14:41:10,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:10,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-09 14:41:10,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1004, Unknown=0, NotChecked=0, Total=1190 [2022-02-09 14:41:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:10,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:10,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 35 states have internal predecessors, (103), 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) [2022-02-09 14:41:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-09 14:41:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 14:41:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 14:41:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:41:11,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:11,827 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 [2022-02-09 14:41:11,828 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1920984301, now seen corresponding path program 10 times [2022-02-09 14:41:11,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:11,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127522294] [2022-02-09 14:41:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 71 proven. 77 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-02-09 14:41:11,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:11,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127522294] [2022-02-09 14:41:11,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127522294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:11,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405504382] [2022-02-09 14:41:11,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:41:11,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:11,942 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) [2022-02-09 14:41:11,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 14:41:11,984 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:41:11,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:11,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 14:41:11,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-09 14:41:12,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-02-09 14:41:12,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405504382] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:12,247 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:12,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 17] total 20 [2022-02-09 14:41:12,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808315554] [2022-02-09 14:41:12,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:12,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-09 14:41:12,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:12,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-09 14:41:12,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2022-02-09 14:41:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:12,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:12,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.190476190476191) internal successors, (88), 20 states have internal predecessors, (88), 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) [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 14:41:12,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:41:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:12,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:13,042 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 [2022-02-09 14:41:13,043 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:13,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:13,043 INFO L85 PathProgramCache]: Analyzing trace with hash 684054697, now seen corresponding path program 11 times [2022-02-09 14:41:13,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:13,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237727871] [2022-02-09 14:41:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:13,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:41:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-02-09 14:41:13,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:41:13,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237727871] [2022-02-09 14:41:13,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237727871] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:41:13,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245615060] [2022-02-09 14:41:13,166 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:41:13,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:41:13,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:41:13,168 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) [2022-02-09 14:41:13,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 14:41:13,237 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-09 14:41:13,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:41:13,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-09 14:41:13,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:41:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 62 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-09 14:41:13,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:41:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 36 proven. 62 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-09 14:41:13,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245615060] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:41:13,450 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:41:13,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 18 [2022-02-09 14:41:13,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040239652] [2022-02-09 14:41:13,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:41:13,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 14:41:13,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:41:13,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 14:41:13,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-02-09 14:41:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:13,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:41:13,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 18 states have internal predecessors, (76), 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) [2022-02-09 14:41:13,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:13,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:13,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:41:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 14:41:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:41:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:41:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 14:41:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 14:41:13,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 14:41:13,942 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 [2022-02-09 14:41:13,942 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:41:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:41:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 135376877, now seen corresponding path program 12 times [2022-02-09 14:41:13,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:41:13,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358232598] [2022-02-09 14:41:13,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:41:13,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:41:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-02-09 14:55:39,789 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-09 14:55:39,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-09 14:55:39,790 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-02-09 14:55:39,791 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 14:55:39,791 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 14:55:39,791 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 14:55:39,791 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 14:55:39,796 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-02-09 14:55:39,797 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 14:55:39,797 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 14:55:39,800 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 02:55:39 BasicIcfg [2022-02-09 14:55:39,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 14:55:39,802 INFO L158 Benchmark]: Toolchain (without parser) took 880154.27ms. Allocated memory was 186.6MB in the beginning and 728.8MB in the end (delta: 542.1MB). Free memory was 151.9MB in the beginning and 520.8MB in the end (delta: -368.9MB). Peak memory consumption was 453.3MB. Max. memory is 8.0GB. [2022-02-09 14:55:39,802 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 14:55:39,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.94ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 14:55:39,802 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 186.6MB. Free memory was 150.3MB in the beginning and 149.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 14:55:39,802 INFO L158 Benchmark]: RCFGBuilder took 207.43ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 139.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 14:55:39,803 INFO L158 Benchmark]: TraceAbstraction took 879888.53ms. Allocated memory was 186.6MB in the beginning and 728.8MB in the end (delta: 542.1MB). Free memory was 138.9MB in the beginning and 520.8MB in the end (delta: -381.9MB). Peak memory consumption was 440.7MB. Max. memory is 8.0GB. [2022-02-09 14:55:39,803 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 0.10ms. Allocated memory is still 186.6MB. Free memory is still 153.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.94ms. Allocated memory is still 186.6MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 186.6MB. Free memory was 150.3MB in the beginning and 149.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 207.43ms. Allocated memory is still 186.6MB. Free memory was 149.2MB in the beginning and 139.4MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 879888.53ms. Allocated memory was 186.6MB in the beginning and 728.8MB in the end (delta: 542.1MB). Free memory was 138.9MB in the beginning and 520.8MB in the end (delta: -381.9MB). Peak memory consumption was 440.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5568, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 1056, negative conditional: 1038, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5009, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 497, negative conditional: 479, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5009, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 497, negative conditional: 479, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3589, positive unconditional: 923, negative: 3092, negative conditional: 2595, negative unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3119, positive unconditional: 1393, negative: 3092, negative conditional: 1182, negative unconditional: 1910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3119, positive unconditional: 1393, negative: 3092, negative conditional: 1182, negative unconditional: 1910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 762, positive: 584, positive conditional: 21, positive unconditional: 563, negative: 178, negative conditional: 160, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 762, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 202, negative conditional: 0, negative unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 202, positive: 24, positive conditional: 21, positive unconditional: 3, negative: 178, negative conditional: 160, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 487, positive: 63, positive conditional: 55, positive unconditional: 8, negative: 423, negative conditional: 278, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7604, positive: 3928, positive conditional: 3098, positive unconditional: 830, negative: 2914, negative conditional: 1022, negative unconditional: 1892, unknown: 762, unknown conditional: 181, unknown unconditional: 581] , Statistics on independence cache: Total cache size (in pairs): 762, Positive cache size: 584, Positive conditional cache size: 21, Positive unconditional cache size: 563, Negative cache size: 178, Negative conditional cache size: 160, Negative unconditional cache size: 18, Eliminated conditions: 1883, Maximal queried relation: 11, Independence queries for same thread: 559 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 46, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 609, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5568, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 1056, negative conditional: 1038, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5009, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 497, negative conditional: 479, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5009, positive: 4512, positive conditional: 3921, positive unconditional: 591, negative: 497, negative conditional: 479, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3589, positive unconditional: 923, negative: 3092, negative conditional: 2595, negative unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3119, positive unconditional: 1393, negative: 3092, negative conditional: 1182, negative unconditional: 1910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7604, positive: 4512, positive conditional: 3119, positive unconditional: 1393, negative: 3092, negative conditional: 1182, negative unconditional: 1910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 762, positive: 584, positive conditional: 21, positive unconditional: 563, negative: 178, negative conditional: 160, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 762, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 202, negative conditional: 0, negative unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 202, positive: 24, positive conditional: 21, positive unconditional: 3, negative: 178, negative conditional: 160, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 487, positive: 63, positive conditional: 55, positive unconditional: 8, negative: 423, negative conditional: 278, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7604, positive: 3928, positive conditional: 3098, positive unconditional: 830, negative: 2914, negative conditional: 1022, negative unconditional: 1892, unknown: 762, unknown conditional: 181, unknown unconditional: 581] , Statistics on independence cache: Total cache size (in pairs): 762, Positive cache size: 584, Positive conditional cache size: 21, Positive unconditional cache size: 563, Negative cache size: 178, Negative conditional cache size: 160, Negative unconditional cache size: 18, Eliminated conditions: 1883, Maximal queried relation: 11, Independence queries for same thread: 559 - StatisticsResult: ErrorAutomatonStatistics [2022-02-09 14:55:39,808 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 [2022-02-09 14:55:39,808 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 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: 77]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 72 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-13-4-13-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-5-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-4-3-4-3-4-2-4-2-4-2-4-2-4-2-4-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 879.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 246, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1082 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1590 ConstructedInterpolants, 20 QuantifiedInterpolants, 7416 SizeOfPredicates, 38 NumberOfNonLiveVariables, 1441 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 1632/2532 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