/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 11:16:44,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 11:16:44,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 11:16:44,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 11:16:44,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 11:16:44,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 11:16:44,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 11:16:44,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 11:16:44,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 11:16:44,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 11:16:44,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 11:16:44,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 11:16:44,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 11:16:44,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 11:16:44,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 11:16:44,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 11:16:44,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 11:16:44,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 11:16:44,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 11:16:44,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 11:16:44,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 11:16:44,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 11:16:44,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 11:16:44,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 11:16:44,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 11:16:44,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 11:16:44,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 11:16:44,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 11:16:44,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 11:16:44,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-19 11:16:44,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-19 11:16:44,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-19 11:16:44,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-19 11:16:44,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-19 11:16:44,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-19 11:16:44,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-19 11:16:44,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-19 11:16:44,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-19 11:16:44,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 11:16:44,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 11:16:44,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 11:16:44,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 11:16:44,462 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 11:16:44,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 11:16:44,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 11:16:44,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 11:16:44,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 11:16:44,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 11:16:44,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 11:16:44,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 11:16:44,464 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 11:16:44,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 11:16:44,465 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 11:16:44,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 11:16:44,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 11:16:44,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 11:16:44,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 11:16:44,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 11:16:44,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:16:44,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 11:16:44,467 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 11:16:44,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 11:16:44,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 11:16:44,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 11:16:44,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 11:16:44,712 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 11:16:44,713 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 11:16:44,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2023-05-19 11:16:44,715 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2023-05-19 11:16:44,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 11:16:44,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 11:16:44,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 11:16:44,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 11:16:44,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 11:16:44,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,771 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 11:16:44,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 11:16:44,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 11:16:44,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 11:16:44,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 11:16:44,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 11:16:44,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 11:16:44,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 11:16:44,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 11:16:44,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/1) ... [2023-05-19 11:16:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 11:16:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:44,826 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) [2023-05-19 11:16:44,832 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 [2023-05-19 11:16:44,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 11:16:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 11:16:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 11:16:44,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 11:16:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 11:16:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 11:16:44,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 11:16:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 11:16:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 11:16:44,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 11:16:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 11:16:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 11:16:44,866 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 11:16:44,903 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 11:16:44,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 11:16:44,986 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 11:16:45,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 11:16:45,001 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 11:16:45,003 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:16:45 BoogieIcfgContainer [2023-05-19 11:16:45,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 11:16:45,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 11:16:45,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 11:16:45,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 11:16:45,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 11:16:44" (1/2) ... [2023-05-19 11:16:45,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394069c5 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:16:45, skipping insertion in model container [2023-05-19 11:16:45,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:16:45" (2/2) ... [2023-05-19 11:16:45,035 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2023-05-19 11:16:45,042 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 11:16:45,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 11:16:45,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 11:16:45,051 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 11:16:45,099 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 11:16:45,135 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:16:45,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 11:16:45,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:45,141 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) [2023-05-19 11:16:45,142 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 [2023-05-19 11:16:45,181 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 11:16:45,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 11:16:45,226 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bef6f2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 11:16:45,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 11:16:45,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:16:45,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:16:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1553595348, now seen corresponding path program 1 times [2023-05-19 11:16:45,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:16:45,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389297462] [2023-05-19 11:16:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:45,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:16:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 11:16:45,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:16:45,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389297462] [2023-05-19 11:16:45,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389297462] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 11:16:45,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 11:16:45,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 11:16:45,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266167808] [2023-05-19 11:16:45,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 11:16:45,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 11:16:45,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:16:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 11:16:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 11:16:45,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:45,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:16:45,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2023-05-19 11:16:45,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:45,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 11:16:45,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:16:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:16:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash 518403790, now seen corresponding path program 1 times [2023-05-19 11:16:45,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:16:45,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107643587] [2023-05-19 11:16:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:16:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:16:45,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:16:45,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107643587] [2023-05-19 11:16:45,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107643587] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:16:45,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960144197] [2023-05-19 11:16:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:45,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:45,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:45,988 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) [2023-05-19 11:16:46,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 11:16:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:46,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-19 11:16:46,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:16:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:16:46,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:16:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:16:46,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960144197] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:16:46,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:16:46,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-19 11:16:46,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629482462] [2023-05-19 11:16:46,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:16:46,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 11:16:46,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:16:46,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 11:16:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-05-19 11:16:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:46,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:16:46,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 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) [2023-05-19 11:16:46,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:46,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 11:16:46,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-19 11:16:46,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-19 11:16:46,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:16:46,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:16:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1375189894, now seen corresponding path program 2 times [2023-05-19 11:16:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:16:46,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979015342] [2023-05-19 11:16:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:16:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:16:47,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979015342] [2023-05-19 11:16:47,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979015342] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:16:47,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495190171] [2023-05-19 11:16:47,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:16:47,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:47,314 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) [2023-05-19 11:16:47,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 11:16:47,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:16:47,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:16:47,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-19 11:16:47,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:16:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:47,917 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:16:47,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 37 [2023-05-19 11:16:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:48,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:16:48,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:16:48,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 28 treesize of output 129 [2023-05-19 11:16:50,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,799 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:50,839 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:16:50,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 64 [2023-05-19 11:16:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:51,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495190171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:16:51,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:16:51,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 32 [2023-05-19 11:16:51,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363766635] [2023-05-19 11:16:51,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:16:51,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-19 11:16:51,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:16:51,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-19 11:16:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=854, Unknown=0, NotChecked=0, Total=992 [2023-05-19 11:16:51,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:51,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:16:51,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.375) internal successors, (76), 32 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) [2023-05-19 11:16:51,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:51,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 11:16:51,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:16:52,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:16:52,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 11:16:52,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:52,778 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:16:52,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:16:52,778 INFO L85 PathProgramCache]: Analyzing trace with hash 405872996, now seen corresponding path program 3 times [2023-05-19 11:16:52,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:16:52,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6417038] [2023-05-19 11:16:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:16:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:16:52,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:16:52,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6417038] [2023-05-19 11:16:52,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6417038] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:16:52,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347350182] [2023-05-19 11:16:52,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 11:16:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:52,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:52,911 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) [2023-05-19 11:16:52,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 11:16:52,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 11:16:52,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:16:52,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-19 11:16:52,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:16:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 11:16:53,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:16:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:53,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347350182] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:16:53,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:16:53,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2023-05-19 11:16:53,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885224015] [2023-05-19 11:16:53,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:16:53,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-19 11:16:53,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:16:53,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-19 11:16:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2023-05-19 11:16:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:53,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:16:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 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) [2023-05-19 11:16:53,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:53,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:16:53,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:16:53,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:53,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:16:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:16:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:16:53,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 11:16:53,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:53,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:16:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:16:53,798 INFO L85 PathProgramCache]: Analyzing trace with hash 482760386, now seen corresponding path program 4 times [2023-05-19 11:16:53,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:16:53,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502314719] [2023-05-19 11:16:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:16:53,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:16:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:16:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:54,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:16:54,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502314719] [2023-05-19 11:16:54,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502314719] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:16:54,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70129220] [2023-05-19 11:16:54,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 11:16:54,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:16:54,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:16:54,258 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) [2023-05-19 11:16:54,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 11:16:54,305 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 11:16:54,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:16:54,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-19 11:16:54,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:16:54,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:54,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:54,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:54,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:16:54,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:54,841 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-05-19 11:16:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:54,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:16:55,413 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:16:55,414 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 39 treesize of output 202 [2023-05-19 11:16:57,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,927 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,931 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:16:57,971 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:16:57,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 87 [2023-05-19 11:16:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:16:58,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70129220] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:16:58,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:16:58,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-19 11:16:58,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511828420] [2023-05-19 11:16:58,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:16:58,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-19 11:16:58,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:16:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-19 11:16:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2023-05-19 11:16:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:16:58,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:16:58,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 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) [2023-05-19 11:16:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:16:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:16:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:16:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:16:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 11:17:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-19 11:17:00,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-19 11:17:01,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:01,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1774575008, now seen corresponding path program 5 times [2023-05-19 11:17:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:01,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835025581] [2023-05-19 11:17:01,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 11:17:01,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:01,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835025581] [2023-05-19 11:17:01,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835025581] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:01,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739842527] [2023-05-19 11:17:01,231 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 11:17:01,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:01,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:01,232 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) [2023-05-19 11:17:01,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 11:17:01,279 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-19 11:17:01,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:17:01,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-19 11:17:01,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 11:17:01,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:17:01,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739842527] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:17:01,526 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:17:01,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 21 [2023-05-19 11:17:01,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433821884] [2023-05-19 11:17:01,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:17:01,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 11:17:01,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:17:01,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 11:17:01,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2023-05-19 11:17:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:01,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:17:01,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 21 states have internal predecessors, (65), 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) [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-19 11:17:01,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:17:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:17:02,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 11:17:02,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:02,192 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:02,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:02,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1473604806, now seen corresponding path program 6 times [2023-05-19 11:17:02,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:02,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368356948] [2023-05-19 11:17:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:02,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 11:17:02,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:02,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368356948] [2023-05-19 11:17:02,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368356948] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:02,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311207267] [2023-05-19 11:17:02,798 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 11:17:02,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:02,801 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) [2023-05-19 11:17:02,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 11:17:02,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-19 11:17:02,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:17:02,848 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-19 11:17:02,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:03,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:03,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:03,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:03,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2023-05-19 11:17:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:03,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:04,376 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:17:04,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 1 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 65 case distinctions, treesize of input 59 treesize of output 442 [2023-05-19 11:17:15,938 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,940 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,946 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,948 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,951 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,957 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,958 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,959 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,961 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:15,963 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:16,009 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:17:16,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 54 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 60 treesize of output 127 [2023-05-19 11:17:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:16,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311207267] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:17:16,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:17:16,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 45 [2023-05-19 11:17:16,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920531247] [2023-05-19 11:17:16,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:17:16,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-19 11:17:16,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:17:16,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-19 11:17:16,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1761, Unknown=0, NotChecked=0, Total=1980 [2023-05-19 11:17:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:16,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:17:16,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.2222222222222223) internal successors, (100), 45 states have internal predecessors, (100), 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) [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:17:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:20,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:20,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:20,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:20,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 11:17:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:17:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 11:17:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-19 11:17:20,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 11:17:20,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:20,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1047110320, now seen corresponding path program 7 times [2023-05-19 11:17:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776203250] [2023-05-19 11:17:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-05-19 11:17:21,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:21,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776203250] [2023-05-19 11:17:21,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776203250] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:21,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117235040] [2023-05-19 11:17:21,022 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 11:17:21,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:21,023 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) [2023-05-19 11:17:21,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 11:17:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:21,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-19 11:17:21,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 41 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-19 11:17:21,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 20 proven. 31 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-19 11:17:21,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117235040] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:17:21,339 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:17:21,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10] total 16 [2023-05-19 11:17:21,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609873499] [2023-05-19 11:17:21,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:17:21,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-19 11:17:21,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:17:21,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-19 11:17:21,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-05-19 11:17:21,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:21,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:17:21,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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) [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-19 11:17:21,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-19 11:17:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-19 11:17:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-19 11:17:27,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 11:17:27,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-19 11:17:27,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash -594578306, now seen corresponding path program 8 times [2023-05-19 11:17:27,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:27,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366849309] [2023-05-19 11:17:27,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:27,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:27,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366849309] [2023-05-19 11:17:27,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366849309] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286054958] [2023-05-19 11:17:27,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:17:27,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:27,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:27,870 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) [2023-05-19 11:17:27,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 11:17:27,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:17:27,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:17:27,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-19 11:17:27,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:28,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:28,570 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:28,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 17 [2023-05-19 11:17:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:28,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:29,362 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:17:29,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 49 treesize of output 312 [2023-05-19 11:17:34,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,792 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,792 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:34,843 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:17:34,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 50 treesize of output 107 [2023-05-19 11:17:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:35,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286054958] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:17:35,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:17:35,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2023-05-19 11:17:35,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82661760] [2023-05-19 11:17:35,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:17:35,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-19 11:17:35,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:17:35,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-19 11:17:35,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1626, Unknown=0, NotChecked=0, Total=1806 [2023-05-19 11:17:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:35,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:17:35,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 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) [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-19 11:17:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:40,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:17:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 11:17:40,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-19 11:17:40,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:40,316 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:40,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1539210332, now seen corresponding path program 9 times [2023-05-19 11:17:40,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:40,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864501192] [2023-05-19 11:17:40,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:40,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:17:40,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:40,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864501192] [2023-05-19 11:17:40,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864501192] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:40,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992985728] [2023-05-19 11:17:40,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 11:17:40,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:40,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:40,429 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) [2023-05-19 11:17:40,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 11:17:40,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 11:17:40,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:17:40,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-19 11:17:40,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 11:17:40,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:40,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992985728] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:17:40,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:17:40,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 14] total 26 [2023-05-19 11:17:40,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428349486] [2023-05-19 11:17:40,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:17:40,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-19 11:17:40,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:17:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-19 11:17:40,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2023-05-19 11:17:40,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:40,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:17:40,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 26 states have internal predecessors, (81), 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) [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:17:40,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 11:17:40,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:17:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:17:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:17:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-19 11:17:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 11:17:42,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 11:17:42,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 11:17:42,249 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:17:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:17:42,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1647383482, now seen corresponding path program 10 times [2023-05-19 11:17:42,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:17:42,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625667006] [2023-05-19 11:17:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:17:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:17:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:17:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:17:42,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:17:42,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625667006] [2023-05-19 11:17:42,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625667006] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:17:42,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591878639] [2023-05-19 11:17:42,865 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 11:17:42,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:17:42,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:17:42,866 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) [2023-05-19 11:17:42,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 11:17:42,910 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 11:17:42,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:17:42,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2023-05-19 11:17:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:17:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,614 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:17:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:17:43,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2023-05-19 11:17:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:17:43,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:17:44,594 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:17:44,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 63 case distinctions, treesize of input 60 treesize of output 451 [2023-05-19 11:18:00,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,310 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,311 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,311 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,312 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,314 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,314 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,314 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,315 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,318 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,319 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,320 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,320 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,323 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:00,367 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:18:00,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 54 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 59 treesize of output 126 [2023-05-19 11:18:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:00,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591878639] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:18:00,626 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:18:00,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2023-05-19 11:18:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635317152] [2023-05-19 11:18:00,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:18:00,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-19 11:18:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:18:00,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-19 11:18:00,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2054, Unknown=0, NotChecked=0, Total=2256 [2023-05-19 11:18:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:00,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:18:00,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.2708333333333335) internal successors, (109), 48 states have internal predecessors, (109), 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) [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:18:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:18:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:18:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-19 11:18:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 11:18:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-19 11:18:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:18:07,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 11:18:07,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-19 11:18:07,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 11:18:07,745 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:18:07,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:18:07,746 INFO L85 PathProgramCache]: Analyzing trace with hash -9093992, now seen corresponding path program 11 times [2023-05-19 11:18:07,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:18:07,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690783299] [2023-05-19 11:18:07,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:18:07,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:18:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:18:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 11:18:07,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:18:07,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690783299] [2023-05-19 11:18:07,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690783299] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:18:07,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719567074] [2023-05-19 11:18:07,876 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 11:18:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:18:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:18:07,877 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) [2023-05-19 11:18:07,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 11:18:07,916 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-19 11:18:07,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:18:07,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-19 11:18:07,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:18:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 14 proven. 48 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 11:18:08,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:18:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 28 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:18:08,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719567074] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:18:08,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:18:08,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 15] total 27 [2023-05-19 11:18:08,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021303631] [2023-05-19 11:18:08,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:18:08,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-19 11:18:08,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:18:08,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-19 11:18:08,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2023-05-19 11:18:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:08,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:18:08,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 27 states have internal predecessors, (85), 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) [2023-05-19 11:18:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:18:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-19 11:18:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:18:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:18:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:18:14,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-19 11:18:15,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 11:18:15,137 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:18:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:18:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash 554505590, now seen corresponding path program 12 times [2023-05-19 11:18:15,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:18:15,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008377382] [2023-05-19 11:18:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:18:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:18:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:18:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:15,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:18:15,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008377382] [2023-05-19 11:18:15,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008377382] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:18:15,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262278814] [2023-05-19 11:18:15,968 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 11:18:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:18:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:18:15,969 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:18:15,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 11:18:15,998 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-19 11:18:15,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:18:15,999 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2023-05-19 11:18:16,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:18:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,047 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:17,111 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:18:17,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 133 [2023-05-19 11:18:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:17,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:18:19,494 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:19,495 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:19,497 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:19,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:19,809 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:18:19,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 9 disjoint index pairs (out of 91 index pairs), introduced 12 new quantified variables, introduced 75 case distinctions, treesize of input 67 treesize of output 466 [2023-05-19 11:18:23,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,742 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:23,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,752 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:23,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,763 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,764 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,764 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:23,853 INFO L356 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2023-05-19 11:18:23,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 52 disjoint index pairs (out of 91 index pairs), introduced 12 new quantified variables, introduced 18 case distinctions, treesize of input 67 treesize of output 122 [2023-05-19 11:18:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:24,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262278814] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:18:24,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:18:24,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 61 [2023-05-19 11:18:24,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627346083] [2023-05-19 11:18:24,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:18:24,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-19 11:18:24,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:18:24,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-19 11:18:24,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3363, Unknown=0, NotChecked=0, Total=3660 [2023-05-19 11:18:24,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:24,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:18:24,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.9672131147540983) internal successors, (120), 61 states have internal predecessors, (120), 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) [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:18:24,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:18:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:18:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:18:24,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:18:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-19 11:18:38,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 11:18:38,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 11:18:38,685 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:18:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:18:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2002239316, now seen corresponding path program 13 times [2023-05-19 11:18:38,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:18:38,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807976637] [2023-05-19 11:18:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:18:38,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:18:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:18:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:18:38,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:18:38,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807976637] [2023-05-19 11:18:38,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807976637] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:18:38,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780171152] [2023-05-19 11:18:38,823 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 11:18:38,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:18:38,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:18:38,824 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:18:38,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 11:18:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:18:38,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-19 11:18:38,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:18:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 66 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 11:18:39,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:18:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 22 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:39,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780171152] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:18:39,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:18:39,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 17] total 32 [2023-05-19 11:18:39,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152292820] [2023-05-19 11:18:39,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:18:39,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-19 11:18:39,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:18:39,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-19 11:18:39,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2023-05-19 11:18:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:39,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:18:39,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.15625) internal successors, (101), 32 states have internal predecessors, (101), 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) [2023-05-19 11:18:39,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:39,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:39,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-19 11:18:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-19 11:18:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-19 11:18:40,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 11:18:41,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:18:41,178 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:18:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:18:41,178 INFO L85 PathProgramCache]: Analyzing trace with hash -616712014, now seen corresponding path program 14 times [2023-05-19 11:18:41,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:18:41,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933911831] [2023-05-19 11:18:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:18:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:18:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:18:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:18:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:18:42,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933911831] [2023-05-19 11:18:42,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933911831] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:18:42,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104622252] [2023-05-19 11:18:42,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:18:42,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:18:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:18:42,009 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:18:42,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 11:18:42,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:18:42,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:18:42,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-19 11:18:42,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:18:43,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:43,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:18:43,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:18:43,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 28 disjoint index pairs (out of 66 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 23 [2023-05-19 11:18:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:18:43,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:18:44,907 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:18:44,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 114 case distinctions, treesize of input 80 treesize of output 799 [2023-05-19 11:20:21,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,259 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,262 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,263 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,263 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,266 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,266 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,266 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,267 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,267 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,267 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,268 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,269 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,271 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,272 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,273 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,274 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,274 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,278 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,279 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,279 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:21,358 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:20:21,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 104 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 16 case distinctions, treesize of input 79 treesize of output 166 [2023-05-19 11:20:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:20:21,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104622252] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:20:21,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:20:21,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2023-05-19 11:20:21,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639521972] [2023-05-19 11:20:21,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:20:21,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-19 11:20:21,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:20:21,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-19 11:20:21,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3282, Unknown=0, NotChecked=0, Total=3540 [2023-05-19 11:20:21,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:20:21,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:20:21,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.216666666666667) internal successors, (133), 60 states have internal predecessors, (133), 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) [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-19 11:20:21,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:20:35,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-19 11:20:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:20:35,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 11:20:35,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-19 11:20:35,879 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:20:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:20:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1743553424, now seen corresponding path program 15 times [2023-05-19 11:20:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:20:35,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033368364] [2023-05-19 11:20:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:20:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:20:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:20:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 11:20:36,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:20:36,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033368364] [2023-05-19 11:20:36,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033368364] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:20:36,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316908421] [2023-05-19 11:20:36,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 11:20:36,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:20:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:20:36,040 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:20:36,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 11:20:36,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 11:20:36,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:20:36,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-19 11:20:36,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:20:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 21 proven. 87 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 11:20:36,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:20:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 40 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:20:36,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316908421] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:20:36,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:20:36,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 18] total 33 [2023-05-19 11:20:36,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143845577] [2023-05-19 11:20:36,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:20:36,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-19 11:20:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:20:36,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-19 11:20:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=793, Unknown=0, NotChecked=0, Total=1056 [2023-05-19 11:20:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:20:36,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:20:36,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.1818181818181817) internal successors, (105), 33 states have internal predecessors, (105), 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) [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-19 11:20:36,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:20:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:20:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-19 11:20:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:20:44,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-19 11:20:44,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-19 11:20:44,818 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:20:44,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:20:44,818 INFO L85 PathProgramCache]: Analyzing trace with hash 66100846, now seen corresponding path program 16 times [2023-05-19 11:20:44,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:20:44,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545341228] [2023-05-19 11:20:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:20:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:20:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:20:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:20:45,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:20:45,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545341228] [2023-05-19 11:20:45,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545341228] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:20:45,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462162147] [2023-05-19 11:20:45,801 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 11:20:45,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:20:45,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:20:45,805 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:20:45,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-19 11:20:45,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 11:20:45,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:20:45,841 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-19 11:20:45,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:20:47,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:47,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:20:47,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:20:47,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 25 [2023-05-19 11:20:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:20:47,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:20:49,610 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:20:49,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 10 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 143 case distinctions, treesize of input 90 treesize of output 1009 [2023-05-19 11:25:43,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,099 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,106 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,106 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,109 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,115 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,117 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,118 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,119 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,123 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,124 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,125 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,127 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,128 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,128 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,129 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,129 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,131 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,133 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,134 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,134 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,137 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,138 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,140 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,140 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:25:43,220 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:25:43,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 89 treesize of output 186 [2023-05-19 11:25:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:25:43,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462162147] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:25:43,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:25:43,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 65 [2023-05-19 11:25:43,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329703859] [2023-05-19 11:25:43,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:25:43,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-19 11:25:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:25:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-19 11:25:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=3892, Unknown=0, NotChecked=0, Total=4160 [2023-05-19 11:25:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:25:43,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:25:43,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.230769230769231) internal successors, (145), 65 states have internal predecessors, (145), 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) [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:25:43,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:26:05,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:26:05,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:26:05,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-19 11:26:05,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:26:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-19 11:26:05,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-05-19 11:26:05,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-19 11:26:05,461 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:26:05,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:26:05,461 INFO L85 PathProgramCache]: Analyzing trace with hash 796715596, now seen corresponding path program 17 times [2023-05-19 11:26:05,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:26:05,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838778047] [2023-05-19 11:26:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:26:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:26:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:26:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 28 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 11:26:05,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:26:05,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838778047] [2023-05-19 11:26:05,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838778047] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:26:05,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663863574] [2023-05-19 11:26:05,638 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 11:26:05,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:26:05,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:26:05,640 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:26:05,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-19 11:26:05,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-19 11:26:05,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:26:05,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-19 11:26:05,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:26:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 11:26:05,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:26:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:26:06,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663863574] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:26:06,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:26:06,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 20] total 38 [2023-05-19 11:26:06,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570543982] [2023-05-19 11:26:06,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:26:06,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-19 11:26:06,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:26:06,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-19 11:26:06,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1055, Unknown=0, NotChecked=0, Total=1406 [2023-05-19 11:26:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:26:06,239 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:26:06,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.1842105263157894) internal successors, (121), 38 states have internal predecessors, (121), 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) [2023-05-19 11:26:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:26:06,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:26:06,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-19 11:26:06,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-19 11:26:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-19 11:26:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-19 11:26:11,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-19 11:26:11,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-19 11:26:11,561 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:26:11,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:26:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash 812402090, now seen corresponding path program 18 times [2023-05-19 11:26:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:26:11,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028546629] [2023-05-19 11:26:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:26:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:26:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:26:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 5 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 11:26:12,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:26:12,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028546629] [2023-05-19 11:26:12,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028546629] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:26:12,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036283512] [2023-05-19 11:26:12,704 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 11:26:12,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:26:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:26:12,705 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:26:12,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-19 11:26:12,739 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-19 11:26:12,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:26:12,740 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 92 conjunts are in the unsatisfiable core [2023-05-19 11:26:12,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:26:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,970 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,986 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:17,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 45 disjoint index pairs (out of 105 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 27 [2023-05-19 11:26:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:26:18,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:26:26,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:26,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,977 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,984 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:26,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,003 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,005 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,007 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:26:27,037 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,039 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:26:27,793 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:26:27,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 76 disjoint index pairs (out of 190 index pairs), introduced 18 new quantified variables, introduced 93 case distinctions, treesize of input 95 treesize of output 768 [2023-05-19 11:27:39,224 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,233 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,234 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,235 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,240 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,244 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,244 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,250 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,252 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,254 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,255 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,256 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,258 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,259 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:27:39,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:27:39,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 3 [2023-05-19 11:27:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:27:39,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036283512] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:27:39,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:27:39,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29, 29] total 76 [2023-05-19 11:27:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990569882] [2023-05-19 11:27:39,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:27:39,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-19 11:27:39,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:27:39,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-19 11:27:39,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=5207, Unknown=1, NotChecked=0, Total=5700 [2023-05-19 11:27:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:27:39,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:27:39,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 2.0526315789473686) internal successors, (156), 76 states have internal predecessors, (156), 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) [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-19 11:27:39,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:28:16,769 WARN L233 SmtUtils]: Spent 8.92s on a formula simplification. DAG size of input: 214 DAG size of output: 181 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 11:28:35,308 WARN L233 SmtUtils]: Spent 12.20s on a formula simplification. DAG size of input: 213 DAG size of output: 196 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 11:28:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:28:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-19 11:28:42,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-19 11:28:42,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:28:42,724 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:28:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:28:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1767559740, now seen corresponding path program 19 times [2023-05-19 11:28:42,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:28:42,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749251605] [2023-05-19 11:28:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:28:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:28:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:28:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 50 proven. 166 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 11:28:42,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:28:42,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749251605] [2023-05-19 11:28:42,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749251605] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:28:42,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193166380] [2023-05-19 11:28:42,968 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 11:28:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:28:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:28:42,969 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:28:42,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-19 11:28:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:28:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-19 11:28:43,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:28:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 72 proven. 136 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-19 11:28:43,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:28:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 96 proven. 116 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 11:28:43,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193166380] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 11:28:43,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 11:28:43,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 21] total 41 [2023-05-19 11:28:43,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175534226] [2023-05-19 11:28:43,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 11:28:43,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-19 11:28:43,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 11:28:43,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-19 11:28:43,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1266, Unknown=0, NotChecked=0, Total=1640 [2023-05-19 11:28:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:28:43,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 11:28:43,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.1951219512195124) internal successors, (131), 41 states have internal predecessors, (131), 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) [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-19 11:28:43,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 11:28:54,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-19 11:28:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-19 11:28:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-19 11:28:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 11:28:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-19 11:28:54,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-19 11:28:55,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:28:55,165 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 11:28:55,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 11:28:55,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1337593702, now seen corresponding path program 20 times [2023-05-19 11:28:55,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 11:28:55,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902982252] [2023-05-19 11:28:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 11:28:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 11:28:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 11:28:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:28:56,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 11:28:56,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902982252] [2023-05-19 11:28:56,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902982252] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 11:28:56,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910277164] [2023-05-19 11:28:56,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 11:28:56,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:28:56,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 11:28:56,475 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 11:28:56,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-19 11:28:56,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 11:28:56,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 11:28:56,508 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2023-05-19 11:28:56,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 11:28:58,217 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:28:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,221 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:28:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:28:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:28:58,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 11:28:58,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 11:28:58,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 55 disjoint index pairs (out of 120 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 29 [2023-05-19 11:28:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 11:28:58,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 11:29:03,133 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 11:29:03,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 15 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 216 case distinctions, treesize of input 109 treesize of output 1506 Received shutdown request... [2023-05-19 11:30:19,411 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 [2023-05-19 11:30:19,416 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 11:30:19,418 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 [2023-05-19 11:30:19,426 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 11:30:19,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 11:30:19,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-19 11:30:19,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 11:30:19,629 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 22ms.. [2023-05-19 11:30:19,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 11:30:19,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 11:30:19,630 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 11:30:19,633 INFO L444 BasicCegarLoop]: Path program histogram: [20, 1] [2023-05-19 11:30:19,635 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 11:30:19,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 11:30:19,637 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 11:30:19 BasicIcfg [2023-05-19 11:30:19,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 11:30:19,637 INFO L158 Benchmark]: Toolchain (without parser) took 814893.01ms. Allocated memory was 196.1MB in the beginning and 886.0MB in the end (delta: 690.0MB). Free memory was 153.8MB in the beginning and 720.8MB in the end (delta: -567.1MB). Peak memory consumption was 604.4MB. Max. memory is 8.0GB. [2023-05-19 11:30:19,637 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.53ms. Allocated memory is still 196.1MB. Free memory was 155.0MB in the beginning and 154.9MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 11:30:19,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.20ms. Allocated memory is still 196.1MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 11:30:19,638 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 196.1MB. Free memory was 152.2MB in the beginning and 151.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 11:30:19,638 INFO L158 Benchmark]: RCFGBuilder took 206.36ms. Allocated memory is still 196.1MB. Free memory was 151.1MB in the beginning and 141.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-19 11:30:19,638 INFO L158 Benchmark]: TraceAbstraction took 814614.89ms. Allocated memory was 196.1MB in the beginning and 886.0MB in the end (delta: 690.0MB). Free memory was 173.1MB in the beginning and 720.8MB in the end (delta: -547.7MB). Peak memory consumption was 621.6MB. Max. memory is 8.0GB. [2023-05-19 11:30:19,639 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 0.53ms. Allocated memory is still 196.1MB. Free memory was 155.0MB in the beginning and 154.9MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.20ms. Allocated memory is still 196.1MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 196.1MB. Free memory was 152.2MB in the beginning and 151.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 206.36ms. Allocated memory is still 196.1MB. Free memory was 151.1MB in the beginning and 141.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 814614.89ms. Allocated memory was 196.1MB in the beginning and 886.0MB in the end (delta: 690.0MB). Free memory was 173.1MB in the beginning and 720.8MB in the end (delta: -547.7MB). Peak memory consumption was 621.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8563, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 1700, dependent conditional: 1700, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6863, independent: 6514, independent conditional: 0, independent unconditional: 6514, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1700 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 56, Number of trivial persistent sets: 32, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 377, independent: 377, independent conditional: 0, independent unconditional: 377, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8563, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 1700, dependent conditional: 1700, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 6486, independent unconditional: 377, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6863, independent: 6863, independent conditional: 0, independent unconditional: 6863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 349, independent: 349, independent conditional: 0, independent unconditional: 349, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 349, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6863, independent: 6514, independent conditional: 0, independent unconditional: 6514, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 349, unknown conditional: 0, unknown unconditional: 349] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1700 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 22ms.. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 22ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 22ms.. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 814.5s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 20, EmptinessCheckTime: 173.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1510, 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, 0.5s SatisfiabilityAnalysisTime, 551.0s InterpolantComputationTime, 1712 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 2498 ConstructedInterpolants, 129 QuantifiedInterpolants, 56441 SizeOfPredicates, 177 NumberOfNonLiveVariables, 2129 ConjunctsInSsa, 716 ConjunctsInUnsatCore, 58 InterpolantComputations, 1 PerfectInterpolantSequences, 955/4454 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