/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-218013a [2023-05-03 15:30:58,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-03 15:30:58,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-03 15:30:58,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-03 15:30:58,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-03 15:30:58,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-03 15:30:58,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-03 15:30:58,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-03 15:30:58,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-03 15:30:58,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-03 15:30:58,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-03 15:30:58,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-03 15:30:58,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-03 15:30:58,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-03 15:30:58,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-03 15:30:58,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-03 15:30:58,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-03 15:30:58,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-03 15:30:58,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-03 15:30:58,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-03 15:30:58,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 15:30:58,421 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 15:30:58,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 15:30:58,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 15:30:58,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 15:30:58,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 15:30:58,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 15:30:58,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 15:30:58,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 15:30:58,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 15:30:58,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 15:30:58,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 15:30:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 15:30:58,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 15:30:58,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 15:30:58,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 15:30:58,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 15:30:58,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 15:30:58,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 15:30:58,429 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 15:30:58,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-03 15:30:58,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 15:30:58,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 15:30:58,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 15:30:58,613 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 15:30:58,614 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 15:30:58,615 INFO L432 ainManager$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 [2023-05-03 15:30:58,615 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' [2023-05-03 15:30:58,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 15:30:58,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 15:30:58,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 15:30:58,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 15:30:58,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 15:30:58,642 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,647 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,651 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 15:30:58,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 15:30:58,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 15:30:58,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 15:30:58,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 15:30:58,658 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,659 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,659 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,659 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,661 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,663 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,663 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,664 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 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 15:30:58,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 15:30:58,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 15:30:58,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 15:30:58,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 03:30:58" (1/1) ... [2023-05-03 15:30:58,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 15:30:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:30:58,709 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) [2023-05-03 15:30:58,743 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 [2023-05-03 15:30:58,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 15:30:58,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 15:30:58,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 15:30:58,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 15:30:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 15:30:58,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 15:30:58,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 15:30:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 15:30:58,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 15:30:58,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 15:30:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 15:30:58,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 15:30:58,759 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 15:30:58,798 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 15:30:58,800 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 15:30:58,893 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 15:30:58,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 15:30:58,904 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 15:30:58,905 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:30:58 BoogieIcfgContainer [2023-05-03 15:30:58,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 15:30:58,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 15:30:58,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 15:30:58,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 15:30:58,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 03:30:58" (1/2) ... [2023-05-03 15:30:58,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7b1a3c and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:30:58, skipping insertion in model container [2023-05-03 15:30:58,909 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 03.05 03:30:58" (2/2) ... [2023-05-03 15:30:58,910 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2023-05-03 15:30:58,915 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 15:30:58,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 15:30:58,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 15:30:58,920 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 15:30:58,952 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 15:30:58,987 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 15:30:58,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 15:30:58,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:30:58,989 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) [2023-05-03 15:30:59,007 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 [2023-05-03 15:30:59,040 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 15:30:59,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 15:30:59,073 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;@121a4f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 15:30:59,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 15:30:59,209 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)] === [2023-05-03 15:30:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:30:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1553595348, now seen corresponding path program 1 times [2023-05-03 15:30:59,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:30:59,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681820879] [2023-05-03 15:30:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:30:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:30:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:30:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 15:30:59,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:30:59,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681820879] [2023-05-03 15:30:59,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681820879] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 15:30:59,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 15:30:59,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 15:30:59,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040540290] [2023-05-03 15:30:59,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 15:30:59,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 15:30:59,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:30:59,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 15:30:59,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 15:30:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:30:59,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:30:59,474 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) [2023-05-03 15:30:59,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:30:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:30:59,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 15:30:59,577 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)] === [2023-05-03 15:30:59,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:30:59,577 INFO L85 PathProgramCache]: Analyzing trace with hash 518403790, now seen corresponding path program 1 times [2023-05-03 15:30:59,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:30:59,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500243443] [2023-05-03 15:30:59,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:30:59,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:30:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:30:59,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:30:59,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:30:59,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500243443] [2023-05-03 15:30:59,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500243443] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:30:59,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111040833] [2023-05-03 15:30:59,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:30:59,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:30:59,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:30:59,672 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) [2023-05-03 15:30:59,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 15:30:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:30:59,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 15:30:59,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:30:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:30:59,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:30:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:30:59,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111040833] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:30:59,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:30:59,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-03 15:30:59,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760798264] [2023-05-03 15:30:59,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:30:59,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 15:30:59,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:30:59,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 15:30:59,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-05-03 15:30:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:30:59,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:30:59,898 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) [2023-05-03 15:30:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:30:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 15:31:00,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:00,293 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 [2023-05-03 15:31:00,293 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)] === [2023-05-03 15:31:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1375189894, now seen corresponding path program 2 times [2023-05-03 15:31:00,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:00,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627847570] [2023-05-03 15:31:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:00,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:00,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:00,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627847570] [2023-05-03 15:31:00,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627847570] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:00,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144565946] [2023-05-03 15:31:00,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 15:31:00,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:00,813 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) [2023-05-03 15:31:00,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 15:31:00,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 15:31:00,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:00,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-03 15:31:00,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:01,268 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:01,271 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 [2023-05-03 15:31:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:01,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:01,842 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:01,843 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 [2023-05-03 15:31:03,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:03,365 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:03,365 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 [2023-05-03 15:31:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:03,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144565946] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:03,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:03,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 32 [2023-05-03 15:31:03,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278293617] [2023-05-03 15:31:03,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:03,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 15:31:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:03,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 15:31:03,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=854, Unknown=0, NotChecked=0, Total=992 [2023-05-03 15:31:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:03,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:03,719 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) [2023-05-03 15:31:03,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:03,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 15:31:03,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:04,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:04,922 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 [2023-05-03 15:31:04,923 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)] === [2023-05-03 15:31:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 405872996, now seen corresponding path program 3 times [2023-05-03 15:31:04,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:04,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109319695] [2023-05-03 15:31:04,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:31:04,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:04,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109319695] [2023-05-03 15:31:04,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109319695] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:04,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777813999] [2023-05-03 15:31:04,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 15:31:04,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:04,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:04,991 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) [2023-05-03 15:31:04,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 15:31:05,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-03 15:31:05,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:05,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 15:31:05,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 15:31:05,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:05,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777813999] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:05,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:05,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 20 [2023-05-03 15:31:05,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788790584] [2023-05-03 15:31:05,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:05,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-03 15:31:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:05,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-03 15:31:05,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2023-05-03 15:31:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:05,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:05,223 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) [2023-05-03 15:31:05,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:05,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:05,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:05,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:05,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:05,695 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 [2023-05-03 15:31:05,695 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)] === [2023-05-03 15:31:05,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 482760386, now seen corresponding path program 4 times [2023-05-03 15:31:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:05,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236404517] [2023-05-03 15:31:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:06,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:06,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236404517] [2023-05-03 15:31:06,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236404517] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:06,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920841161] [2023-05-03 15:31:06,104 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 15:31:06,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:06,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:06,118 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) [2023-05-03 15:31:06,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 15:31:06,178 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 15:31:06,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:06,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-03 15:31:06,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:06,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:06,614 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:06,615 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 [2023-05-03 15:31:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:06,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:07,078 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:07,079 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 [2023-05-03 15:31:09,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,285 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:09,324 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:09,324 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 [2023-05-03 15:31:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:09,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920841161] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:09,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:09,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-03 15:31:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601798086] [2023-05-03 15:31:09,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:09,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-03 15:31:09,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-03 15:31:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1169, Unknown=0, NotChecked=0, Total=1332 [2023-05-03 15:31:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:09,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:09,527 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) [2023-05-03 15:31:09,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:09,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:09,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:09,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:09,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 15:31:11,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 15:31:11,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:12,041 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 [2023-05-03 15:31:12,042 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)] === [2023-05-03 15:31:12,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:12,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1774575008, now seen corresponding path program 5 times [2023-05-03 15:31:12,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:12,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342712202] [2023-05-03 15:31:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:12,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 15:31:12,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:12,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342712202] [2023-05-03 15:31:12,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342712202] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:12,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588084485] [2023-05-03 15:31:12,117 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 15:31:12,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:12,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:12,118 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) [2023-05-03 15:31:12,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 15:31:12,145 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-03 15:31:12,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 15:31:12,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 15:31:12,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:31:12,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588084485] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:12,365 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:12,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 21 [2023-05-03 15:31:12,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211364738] [2023-05-03 15:31:12,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:12,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-03 15:31:12,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-03 15:31:12,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2023-05-03 15:31:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:12,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:12,366 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) [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 15:31:12,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:12,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:31:12,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:12,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:12,939 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 [2023-05-03 15:31:12,939 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)] === [2023-05-03 15:31:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1473604806, now seen corresponding path program 6 times [2023-05-03 15:31:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:12,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436369203] [2023-05-03 15:31:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 15:31:13,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:13,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436369203] [2023-05-03 15:31:13,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436369203] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:13,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178599725] [2023-05-03 15:31:13,424 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 15:31:13,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:13,425 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) [2023-05-03 15:31:13,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 15:31:13,460 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-03 15:31:13,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:13,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-03 15:31:13,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:14,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:14,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:14,028 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:14,028 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 [2023-05-03 15:31:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:14,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:14,879 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:14,879 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 [2023-05-03 15:31:25,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,298 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,300 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,303 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,305 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:25,352 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:25,353 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 [2023-05-03 15:31:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:25,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178599725] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:25,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:25,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 45 [2023-05-03 15:31:25,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83214787] [2023-05-03 15:31:25,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:25,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-03 15:31:25,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:25,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-03 15:31:25,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1761, Unknown=0, NotChecked=0, Total=1980 [2023-05-03 15:31:25,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:25,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:25,651 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) [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:31:25,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:25,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-03 15:31:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:31:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 15:31:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-03 15:31:29,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-03 15:31:30,114 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 [2023-05-03 15:31:30,115 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)] === [2023-05-03 15:31:30,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1047110320, now seen corresponding path program 7 times [2023-05-03 15:31:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:30,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190793433] [2023-05-03 15:31:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-05-03 15:31:30,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:30,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190793433] [2023-05-03 15:31:30,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190793433] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:30,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058838357] [2023-05-03 15:31:30,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 15:31:30,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:30,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:30,208 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) [2023-05-03 15:31:30,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 15:31:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:30,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 15:31:30,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 41 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-03 15:31:30,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 20 proven. 31 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-03 15:31:30,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058838357] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:30,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:30,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10] total 16 [2023-05-03 15:31:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889602772] [2023-05-03 15:31:30,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:30,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-03 15:31:30,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-03 15:31:30,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-05-03 15:31:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:30,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:30,461 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) [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-03 15:31:30,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-03 15:31:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 15:31:35,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-03 15:31:35,440 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 [2023-05-03 15:31:35,440 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)] === [2023-05-03 15:31:35,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:35,441 INFO L85 PathProgramCache]: Analyzing trace with hash -594578306, now seen corresponding path program 8 times [2023-05-03 15:31:35,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:35,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477554840] [2023-05-03 15:31:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:35,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:35,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477554840] [2023-05-03 15:31:35,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477554840] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:35,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58546552] [2023-05-03 15:31:35,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 15:31:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:35,957 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) [2023-05-03 15:31:35,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 15:31:35,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 15:31:35,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:35,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-03 15:31:35,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:36,597 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:36,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:36,599 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 [2023-05-03 15:31:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:36,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:37,214 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:37,215 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 [2023-05-03 15:31:41,815 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,815 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,816 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,821 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,821 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,822 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,826 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:41,864 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:41,864 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 [2023-05-03 15:31:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:42,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58546552] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:42,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:42,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2023-05-03 15:31:42,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115690924] [2023-05-03 15:31:42,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:42,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-03 15:31:42,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-03 15:31:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1626, Unknown=0, NotChecked=0, Total=1806 [2023-05-03 15:31:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:42,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:42,185 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) [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 15:31:42,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-03 15:31:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-03 15:31:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-03 15:31:46,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:47,152 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 [2023-05-03 15:31:47,152 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)] === [2023-05-03 15:31:47,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:47,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1539210332, now seen corresponding path program 9 times [2023-05-03 15:31:47,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:47,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646816064] [2023-05-03 15:31:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:31:47,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:47,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646816064] [2023-05-03 15:31:47,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646816064] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:47,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072171097] [2023-05-03 15:31:47,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 15:31:47,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:47,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:47,305 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) [2023-05-03 15:31:47,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 15:31:47,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 15:31:47,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:47,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-03 15:31:47,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 15:31:47,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:47,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072171097] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:31:47,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:31:47,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 14] total 26 [2023-05-03 15:31:47,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100980913] [2023-05-03 15:31:47,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:31:47,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-03 15:31:47,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:31:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-03 15:31:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2023-05-03 15:31:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:47,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:31:47,622 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) [2023-05-03 15:31:47,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:47,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:47,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:47,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-03 15:31:47,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:31:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:31:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:31:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-03 15:31:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-03 15:31:48,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 15:31:48,626 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 [2023-05-03 15:31:48,626 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)] === [2023-05-03 15:31:48,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:31:48,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1647383482, now seen corresponding path program 10 times [2023-05-03 15:31:48,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:31:48,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466906797] [2023-05-03 15:31:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:31:48,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:31:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:31:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:31:49,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:31:49,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466906797] [2023-05-03 15:31:49,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466906797] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:31:49,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967241344] [2023-05-03 15:31:49,193 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 15:31:49,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:31:49,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:31:49,194 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) [2023-05-03 15:31:49,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-03 15:31:49,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 15:31:49,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:31:49,248 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2023-05-03 15:31:49,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:31:49,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:31:49,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:31:49,891 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 [2023-05-03 15:31:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:31:49,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:31:50,867 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:31:50,868 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 [2023-05-03 15:32:06,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,018 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,021 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,032 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:06,083 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:32:06,083 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 [2023-05-03 15:32:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:06,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967241344] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:32:06,339 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:32:06,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2023-05-03 15:32:06,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734964480] [2023-05-03 15:32:06,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:32:06,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-03 15:32:06,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:32:06,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-03 15:32:06,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=2054, Unknown=0, NotChecked=0, Total=2256 [2023-05-03 15:32:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:06,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:32:06,340 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) [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:32:06,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:32:06,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:32:06,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:06,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-03 15:32:06,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-03 15:32:06,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:32:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-03 15:32:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-03 15:32:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-03 15:32:13,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-03 15:32:13,280 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 [2023-05-03 15:32:13,280 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)] === [2023-05-03 15:32:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:32:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash -9093992, now seen corresponding path program 11 times [2023-05-03 15:32:13,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:32:13,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204476011] [2023-05-03 15:32:13,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:32:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:32:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:32:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 15:32:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:32:13,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204476011] [2023-05-03 15:32:13,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204476011] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:32:13,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985958676] [2023-05-03 15:32:13,377 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 15:32:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:32:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:32:13,378 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) [2023-05-03 15:32:13,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-03 15:32:13,412 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-03 15:32:13,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:32:13,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-03 15:32:13,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:32:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 14 proven. 48 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 15:32:13,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:32:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 28 proven. 38 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:32:13,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985958676] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:32:13,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:32:13,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 15] total 27 [2023-05-03 15:32:13,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917434327] [2023-05-03 15:32:13,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:32:13,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-03 15:32:13,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:32:13,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-03 15:32:13,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2023-05-03 15:32:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:13,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:32:13,733 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) [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-03 15:32:13,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:32:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:32:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:32:19,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-03 15:32:19,964 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 [2023-05-03 15:32:19,964 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)] === [2023-05-03 15:32:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:32:19,964 INFO L85 PathProgramCache]: Analyzing trace with hash 554505590, now seen corresponding path program 12 times [2023-05-03 15:32:19,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:32:19,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701465499] [2023-05-03 15:32:19,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:32:19,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:32:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:32:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:20,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:32:20,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701465499] [2023-05-03 15:32:20,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701465499] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:32:20,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896916092] [2023-05-03 15:32:20,679 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 15:32:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:32:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:32:20,680 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) [2023-05-03 15:32:20,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-03 15:32:20,723 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-03 15:32:20,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:32:20,724 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjunts are in the unsatisfiable core [2023-05-03 15:32:20,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:32:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:21,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:21,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:32:21,874 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 [2023-05-03 15:32:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:21,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:32:23,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:23,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:23,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:23,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:23,998 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:24,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:24,271 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:32:24,272 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 [2023-05-03 15:32:27,619 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,623 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:27,624 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,626 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,627 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,629 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,629 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,630 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,637 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,638 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,639 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:27,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,644 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:27,733 INFO L356 Elim1Store]: treesize reduction 20, result has 84.3 percent of original size [2023-05-03 15:32:27,733 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 [2023-05-03 15:32:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:28,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896916092] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:32:28,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:32:28,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 61 [2023-05-03 15:32:28,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608198579] [2023-05-03 15:32:28,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:32:28,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-03 15:32:28,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:32:28,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-03 15:32:28,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3363, Unknown=0, NotChecked=0, Total=3660 [2023-05-03 15:32:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:28,076 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:32:28,077 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) [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:32:28,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:32:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-03 15:32:41,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-03 15:32:41,989 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 [2023-05-03 15:32:41,990 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)] === [2023-05-03 15:32:41,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:32:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2002239316, now seen corresponding path program 13 times [2023-05-03 15:32:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:32:41,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311469357] [2023-05-03 15:32:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:32:41,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:32:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:32:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:32:42,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:32:42,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311469357] [2023-05-03 15:32:42,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311469357] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:32:42,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696549235] [2023-05-03 15:32:42,114 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 15:32:42,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:32:42,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:32:42,115 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) [2023-05-03 15:32:42,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-03 15:32:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:32:42,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-03 15:32:42,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:32:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 66 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 15:32:42,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:32:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 22 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:42,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696549235] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:32:42,541 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:32:42,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 17] total 32 [2023-05-03 15:32:42,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871164575] [2023-05-03 15:32:42,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:32:42,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 15:32:42,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:32:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 15:32:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2023-05-03 15:32:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:42,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:32:42,543 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) [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-03 15:32:42,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:32:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:32:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-03 15:32:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:32:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-03 15:32:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-03 15:32:43,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-03 15:32:44,104 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 [2023-05-03 15:32:44,105 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)] === [2023-05-03 15:32:44,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:32:44,105 INFO L85 PathProgramCache]: Analyzing trace with hash -616712014, now seen corresponding path program 14 times [2023-05-03 15:32:44,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:32:44,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209240965] [2023-05-03 15:32:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:32:44,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:32:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:32:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:32:44,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:32:44,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209240965] [2023-05-03 15:32:44,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209240965] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:32:44,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005439448] [2023-05-03 15:32:44,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 15:32:44,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:32:44,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:32:44,834 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) [2023-05-03 15:32:44,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-03 15:32:44,876 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 15:32:44,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:32:44,877 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-03 15:32:44,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:32:45,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:45,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:32:45,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:32:45,735 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 [2023-05-03 15:32:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:32:45,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:32:47,404 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:32:47,404 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 [2023-05-03 15:34:15,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,435 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,438 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,443 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,444 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,461 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,469 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:15,534 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:34:15,534 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 [2023-05-03 15:34:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:34:15,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005439448] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:34:15,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:34:15,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2023-05-03 15:34:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179399195] [2023-05-03 15:34:15,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:34:15,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2023-05-03 15:34:15,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:34:15,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2023-05-03 15:34:15,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3282, Unknown=0, NotChecked=0, Total=3540 [2023-05-03 15:34:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:34:15,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:34:15,867 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) [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-03 15:34:15,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:34:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-03 15:34:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-03 15:34:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:34:29,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-03 15:34:29,507 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 [2023-05-03 15:34:29,508 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)] === [2023-05-03 15:34:29,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:34:29,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1743553424, now seen corresponding path program 15 times [2023-05-03 15:34:29,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:34:29,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615383282] [2023-05-03 15:34:29,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:34:29,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:34:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:34:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 15:34:29,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:34:29,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615383282] [2023-05-03 15:34:29,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615383282] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:34:29,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961535647] [2023-05-03 15:34:29,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 15:34:29,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:34:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:34:29,661 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) [2023-05-03 15:34:29,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-03 15:34:29,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-03 15:34:29,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:34:29,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-03 15:34:29,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:34:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 21 proven. 87 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 15:34:29,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:34:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 40 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:34:30,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961535647] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:34:30,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:34:30,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 18] total 33 [2023-05-03 15:34:30,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602287768] [2023-05-03 15:34:30,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:34:30,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-03 15:34:30,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:34:30,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-03 15:34:30,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=793, Unknown=0, NotChecked=0, Total=1056 [2023-05-03 15:34:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:34:30,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:34:30,138 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) [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-03 15:34:30,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:34:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:34:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-03 15:34:37,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:34:37,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-03 15:34:38,030 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 [2023-05-03 15:34:38,030 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)] === [2023-05-03 15:34:38,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:34:38,030 INFO L85 PathProgramCache]: Analyzing trace with hash 66100846, now seen corresponding path program 16 times [2023-05-03 15:34:38,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:34:38,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573247744] [2023-05-03 15:34:38,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:34:38,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:34:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:34:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:34:38,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:34:38,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573247744] [2023-05-03 15:34:38,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573247744] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:34:38,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107527460] [2023-05-03 15:34:38,894 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 15:34:38,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:34:38,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:34:38,895 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) [2023-05-03 15:34:38,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-03 15:34:38,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 15:34:38,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:34:38,926 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2023-05-03 15:34:38,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:34:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,085 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:34:40,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:34:40,103 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 [2023-05-03 15:34:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:34:40,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:34:42,645 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:34:42,646 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 [2023-05-03 15:39:29,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,344 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,346 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,347 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,347 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,348 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,349 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,352 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,352 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,353 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,354 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,355 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,355 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,356 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,357 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,357 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,359 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,360 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,361 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,363 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,364 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,364 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,366 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,366 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,366 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,367 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,367 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,368 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,369 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,370 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,375 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:39:29,467 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:39:29,467 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 [2023-05-03 15:39:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:39:29,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107527460] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:39:29,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:39:29,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 65 [2023-05-03 15:39:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452428929] [2023-05-03 15:39:29,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:39:29,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-03 15:39:29,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:39:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-03 15:39:29,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=3892, Unknown=0, NotChecked=0, Total=4160 [2023-05-03 15:39:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:39:29,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:39:29,933 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) [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:39:29,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:39:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 15:39:51,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-03 15:39:51,522 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 [2023-05-03 15:39:51,522 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)] === [2023-05-03 15:39:51,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:39:51,522 INFO L85 PathProgramCache]: Analyzing trace with hash 796715596, now seen corresponding path program 17 times [2023-05-03 15:39:51,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:39:51,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139660278] [2023-05-03 15:39:51,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:39:51,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:39:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:39:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 28 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 15:39:51,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:39:51,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139660278] [2023-05-03 15:39:51,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139660278] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:39:51,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577343430] [2023-05-03 15:39:51,686 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 15:39:51,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:39:51,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:39:51,687 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) [2023-05-03 15:39:51,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-03 15:39:51,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-03 15:39:51,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:39:51,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-03 15:39:51,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:39:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 15:39:51,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:39:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 32 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:39:52,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577343430] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:39:52,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:39:52,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 20] total 38 [2023-05-03 15:39:52,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135917147] [2023-05-03 15:39:52,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:39:52,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-03 15:39:52,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:39:52,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-03 15:39:52,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1055, Unknown=0, NotChecked=0, Total=1406 [2023-05-03 15:39:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:39:52,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:39:52,247 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) [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:39:52,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-05-03 15:39:52,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:39:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:39:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:39:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:39:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-03 15:39:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:39:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:39:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:39:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 15:39:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-03 15:39:56,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-03 15:39:56,843 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 [2023-05-03 15:39:56,844 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)] === [2023-05-03 15:39:56,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:39:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 812402090, now seen corresponding path program 18 times [2023-05-03 15:39:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:39:56,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714960528] [2023-05-03 15:39:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:39:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:39:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:39:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 5 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 15:39:57,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:39:57,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714960528] [2023-05-03 15:39:57,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714960528] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:39:57,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477755387] [2023-05-03 15:39:57,779 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 15:39:57,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:39:57,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:39:57,780 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) [2023-05-03 15:39:57,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-03 15:39:57,817 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-03 15:39:57,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:39:57,818 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 92 conjunts are in the unsatisfiable core [2023-05-03 15:39:57,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:40:03,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,915 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:03,931 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 [2023-05-03 15:40:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:40:04,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:40:12,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,058 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,059 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:12,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,070 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,091 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,093 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,101 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,102 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:40:12,126 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,127 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,130 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:40:12,924 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:40:12,925 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 [2023-05-03 15:41:13,154 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,155 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,155 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,155 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,156 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,156 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,156 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,157 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,157 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,158 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,159 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,160 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,160 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,160 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,161 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,162 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,164 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,167 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,167 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,168 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,168 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,168 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,171 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,171 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,172 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,176 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,178 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,183 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:41:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:41:13,202 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 [2023-05-03 15:41:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:41:13,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477755387] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:41:13,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:41:13,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29, 29] total 76 [2023-05-03 15:41:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145001330] [2023-05-03 15:41:13,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:41:13,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-03 15:41:13,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:41:13,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-03 15:41:13,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=5206, Unknown=2, NotChecked=0, Total=5700 [2023-05-03 15:41:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:41:13,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:41:13,513 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) [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-03 15:41:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-03 15:41:13,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:41:48,851 WARN L233 SmtUtils]: Spent 7.77s 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) [2023-05-03 15:42:06,143 WARN L233 SmtUtils]: Spent 11.56s 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) [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:42:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-03 15:42:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-03 15:42:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-03 15:42:14,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-03 15:42:14,560 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 [2023-05-03 15:42:14,560 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)] === [2023-05-03 15:42:14,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:42:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1767559740, now seen corresponding path program 19 times [2023-05-03 15:42:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:42:14,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615859280] [2023-05-03 15:42:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:42:14,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:42:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:42:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 50 proven. 166 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 15:42:14,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:42:14,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615859280] [2023-05-03 15:42:14,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615859280] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:42:14,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479859455] [2023-05-03 15:42:14,806 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 15:42:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:42:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:42:14,817 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) [2023-05-03 15:42:14,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-03 15:42:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:42:14,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-03 15:42:14,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:42:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 72 proven. 136 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-03 15:42:15,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:42:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 96 proven. 116 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 15:42:15,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479859455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 15:42:15,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 15:42:15,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 21] total 41 [2023-05-03 15:42:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002711606] [2023-05-03 15:42:15,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 15:42:15,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-03 15:42:15,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 15:42:15,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-03 15:42:15,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1266, Unknown=0, NotChecked=0, Total=1640 [2023-05-03 15:42:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:42:15,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 15:42:15,484 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) [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:42:15,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-03 15:42:15,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 15:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-05-03 15:42:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-03 15:42:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-03 15:42:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-03 15:42:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-05-03 15:42:25,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-03 15:42:25,744 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 [2023-05-03 15:42:25,744 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)] === [2023-05-03 15:42:25,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 15:42:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1337593702, now seen corresponding path program 20 times [2023-05-03 15:42:25,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 15:42:25,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608393058] [2023-05-03 15:42:25,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 15:42:25,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 15:42:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 15:42:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:42:26,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 15:42:26,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608393058] [2023-05-03 15:42:26,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608393058] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 15:42:26,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689406805] [2023-05-03 15:42:26,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 15:42:26,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 15:42:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 15:42:26,821 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) [2023-05-03 15:42:26,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-03 15:42:26,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 15:42:26,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 15:42:26,858 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2023-05-03 15:42:26,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 15:42:28,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:42:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,452 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:42:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:42:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:42:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 15:42:28,468 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 15:42:28,469 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 [2023-05-03 15:42:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 15:42:28,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 15:42:33,078 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 15:42:33,079 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... [2023-05-03 15:45:18,698 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 15:45:18,700 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 15:45:18,705 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 [2023-05-03 15:45:18,705 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 [2023-05-03 15:45:18,705 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 [2023-05-03 15:45:18,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-05-03 15:45:18,915 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 [2023-05-03 15:45:18,915 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 3 for 36ms.. [2023-05-03 15:45:18,916 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 15:45:18,916 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 15:45:18,916 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 15:45:18,919 INFO L444 BasicCegarLoop]: Path program histogram: [20, 1] [2023-05-03 15:45:18,920 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 15:45:18,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 15:45:18,922 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 03:45:18 BasicIcfg [2023-05-03 15:45:18,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 15:45:18,922 INFO L158 Benchmark]: Toolchain (without parser) took 860289.48ms. Allocated memory was 175.1MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 133.2MB in the beginning and 702.6MB in the end (delta: -569.4MB). Peak memory consumption was 732.5MB. Max. memory is 8.0GB. [2023-05-03 15:45:18,922 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 15:45:18,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.54ms. Allocated memory is still 175.1MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 15:45:18,923 INFO L158 Benchmark]: Boogie Preprocessor took 11.72ms. Allocated memory is still 175.1MB. Free memory was 131.7MB in the beginning and 130.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 15:45:18,923 INFO L158 Benchmark]: RCFGBuilder took 239.93ms. Allocated memory is still 175.1MB. Free memory was 130.5MB in the beginning and 149.5MB in the end (delta: -19.0MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2023-05-03 15:45:18,923 INFO L158 Benchmark]: TraceAbstraction took 860015.55ms. Allocated memory was 175.1MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 148.5MB in the beginning and 702.6MB in the end (delta: -554.1MB). Peak memory consumption was 747.5MB. Max. memory is 8.0GB. [2023-05-03 15:45:18,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.54ms. Allocated memory is still 175.1MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.72ms. Allocated memory is still 175.1MB. Free memory was 131.7MB in the beginning and 130.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.93ms. Allocated memory is still 175.1MB. Free memory was 130.5MB in the beginning and 149.5MB in the end (delta: -19.0MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860015.55ms. Allocated memory was 175.1MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 148.5MB in the beginning and 702.6MB in the end (delta: -554.1MB). Peak memory consumption was 747.5MB. 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: 73, independent: 73, independent conditional: 0, independent unconditional: 73, 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: 73, independent: 73, independent conditional: 0, independent unconditional: 73, 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 3 for 36ms.. - 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 3 for 36ms.. - 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 3 for 36ms.. - 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 3 for 36ms.. - 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: 859.9s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 20, EmptinessCheckTime: 164.6s, 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, 0.4s SatisfiabilityAnalysisTime, 517.0s 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