/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 00:31:18,232 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 00:31:18,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 00:31:18,354 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 00:31:18,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 00:31:18,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 00:31:18,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 00:31:18,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 00:31:18,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 00:31:18,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 00:31:18,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 00:31:18,357 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 00:31:18,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 00:31:18,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 00:31:18,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 00:31:18,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 00:31:18,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 00:31:18,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:31:18,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 00:31:18,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 00:31:18,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 00:31:18,360 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 00:31:18,361 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 00:31:18,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 00:31:18,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 00:31:18,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 00:31:18,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 00:31:18,617 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-04 00:31:18,618 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-04 00:31:18,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2023-05-04 00:31:18,619 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2023-05-04 00:31:18,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 00:31:18,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-04 00:31:18,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 00:31:18,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 00:31:18,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 00:31:18,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,668 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-04 00:31:18,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 00:31:18,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 00:31:18,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 00:31:18,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 00:31:18,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 00:31:18,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 00:31:18,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 00:31:18,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 00:31:18,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/1) ... [2023-05-04 00:31:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 00:31:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:18,726 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) [2023-05-04 00:31:18,741 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 [2023-05-04 00:31:18,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-04 00:31:18,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 00:31:18,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 00:31:18,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-04 00:31:18,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 00:31:18,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 00:31:18,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-04 00:31:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 00:31:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 00:31:18,766 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-04 00:31:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 00:31:18,767 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 00:31:18,767 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-04 00:31:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 00:31:18,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 00:31:18,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2023-05-04 00:31:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-04 00:31:18,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-04 00:31:18,770 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 00:31:18,814 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 00:31:18,817 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 00:31:18,967 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 00:31:18,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 00:31:18,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 00:31:18,984 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:31:18 BoogieIcfgContainer [2023-05-04 00:31:18,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 00:31:18,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 00:31:18,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 00:31:18,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 00:31:18,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:31:18" (1/2) ... [2023-05-04 00:31:18,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9d8228 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:31:18, skipping insertion in model container [2023-05-04 00:31:18,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:31:18" (2/2) ... [2023-05-04 00:31:18,995 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2023-05-04 00:31:19,001 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 00:31:19,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 00:31:19,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 00:31:19,017 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 00:31:19,063 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-05-04 00:31:19,095 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:31:19,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 00:31:19,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:19,098 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) [2023-05-04 00:31:19,116 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 [2023-05-04 00:31:19,132 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 00:31:19,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 00:31:19,154 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;@9f10399, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 00:31:19,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-05-04 00:31:19,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:19,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash -947357651, now seen corresponding path program 1 times [2023-05-04 00:31:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:19,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858345059] [2023-05-04 00:31:19,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:19,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:31:20,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:20,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858345059] [2023-05-04 00:31:20,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858345059] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:20,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282235699] [2023-05-04 00:31:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:20,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:20,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:20,032 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) [2023-05-04 00:31:20,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 00:31:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:20,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-04 00:31:20,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:20,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:20,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282235699] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:20,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:20,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2023-05-04 00:31:20,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425274797] [2023-05-04 00:31:20,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:20,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 00:31:20,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:20,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 00:31:20,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-04 00:31:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:20,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:20,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 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) [2023-05-04 00:31:20,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 00:31:20,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 00:31:20,737 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,SelfDestructingSolverStorable0 [2023-05-04 00:31:20,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:20,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:20,738 INFO L85 PathProgramCache]: Analyzing trace with hash -969179851, now seen corresponding path program 2 times [2023-05-04 00:31:20,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:20,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44754587] [2023-05-04 00:31:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 00:31:21,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:21,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44754587] [2023-05-04 00:31:21,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44754587] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:21,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612227780] [2023-05-04 00:31:21,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 00:31:21,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:21,041 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) [2023-05-04 00:31:21,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 00:31:21,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 00:31:21,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:31:21,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 00:31:21,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 00:31:21,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 00:31:21,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612227780] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:21,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:21,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 9 [2023-05-04 00:31:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303311661] [2023-05-04 00:31:21,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:21,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 00:31:21,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:21,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 00:31:21,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-05-04 00:31:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:21,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:21,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 00:31:21,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 00:31:21,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 00:31:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 00:31:21,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 00:31:21,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:21,898 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:21,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1365983129, now seen corresponding path program 3 times [2023-05-04 00:31:21,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:21,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115471434] [2023-05-04 00:31:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:21,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-04 00:31:22,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:22,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115471434] [2023-05-04 00:31:22,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115471434] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:22,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160368088] [2023-05-04 00:31:22,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 00:31:22,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:22,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:22,297 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) [2023-05-04 00:31:22,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 00:31:22,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-04 00:31:22,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:31:22,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 00:31:22,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:22,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2023-05-04 00:31:22,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-04 00:31:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-04 00:31:22,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:23,521 INFO L356 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2023-05-04 00:31:23,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 135 treesize of output 153 [2023-05-04 00:31:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-04 00:31:23,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160368088] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:23,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:23,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-05-04 00:31:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286553784] [2023-05-04 00:31:23,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:23,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 00:31:23,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:23,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 00:31:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-05-04 00:31:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:23,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:23,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 18 states have internal predecessors, (77), 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) [2023-05-04 00:31:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 00:31:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 00:31:23,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 00:31:29,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 00:31:29,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:29,866 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:29,866 INFO L85 PathProgramCache]: Analyzing trace with hash 223808845, now seen corresponding path program 1 times [2023-05-04 00:31:29,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:29,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621697093] [2023-05-04 00:31:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:31:29,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:29,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621697093] [2023-05-04 00:31:29,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621697093] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:29,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574291584] [2023-05-04 00:31:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:29,909 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) [2023-05-04 00:31:29,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 00:31:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:29,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 00:31:29,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:29,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:31:29,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:31:30,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574291584] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:30,025 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:30,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-05-04 00:31:30,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592923057] [2023-05-04 00:31:30,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:30,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 00:31:30,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:30,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 00:31:30,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 00:31:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:30,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:30,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-05-04 00:31:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 00:31:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 00:31:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:32,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 00:31:32,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:32,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:32,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1298247889, now seen corresponding path program 2 times [2023-05-04 00:31:32,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:32,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998587328] [2023-05-04 00:31:32,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:32,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:32,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:32,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998587328] [2023-05-04 00:31:32,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998587328] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 00:31:32,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 00:31:32,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 00:31:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671351484] [2023-05-04 00:31:32,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 00:31:32,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 00:31:32,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:32,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 00:31:32,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 00:31:32,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:32,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:32,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-05-04 00:31:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 00:31:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:32,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 00:31:35,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:35,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 00:31:35,060 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1755847857, now seen corresponding path program 1 times [2023-05-04 00:31:35,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:35,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070746188] [2023-05-04 00:31:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 00:31:35,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:35,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070746188] [2023-05-04 00:31:35,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070746188] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 00:31:35,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 00:31:35,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 00:31:35,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253509929] [2023-05-04 00:31:35,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 00:31:35,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 00:31:35,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:35,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 00:31:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-04 00:31:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:35,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:35,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:35,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:37,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 00:31:37,705 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1374625991, now seen corresponding path program 4 times [2023-05-04 00:31:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:37,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171284134] [2023-05-04 00:31:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 00:31:37,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:37,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171284134] [2023-05-04 00:31:37,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171284134] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:37,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214679388] [2023-05-04 00:31:37,854 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 00:31:37,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:37,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:37,857 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) [2023-05-04 00:31:37,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 00:31:37,924 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 00:31:37,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:31:37,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 00:31:37,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 00:31:37,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 00:31:38,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214679388] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:38,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:38,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 8 [2023-05-04 00:31:38,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087272114] [2023-05-04 00:31:38,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:38,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 00:31:38,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:38,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 00:31:38,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-05-04 00:31:38,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:38,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:38,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 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) [2023-05-04 00:31:38,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:38,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:38,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:38,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:38,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:38,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:38,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:44,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:44,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 00:31:44,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:44,219 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1387405239, now seen corresponding path program 5 times [2023-05-04 00:31:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:44,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443023843] [2023-05-04 00:31:44,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:44,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-04 00:31:44,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:44,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443023843] [2023-05-04 00:31:44,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443023843] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:44,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72481452] [2023-05-04 00:31:44,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 00:31:44,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:44,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:44,442 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) [2023-05-04 00:31:44,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 00:31:44,523 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-04 00:31:44,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:31:44,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-04 00:31:44,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:44,575 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-05-04 00:31:44,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-04 00:31:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-04 00:31:44,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:44,850 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-05-04 00:31:44,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 1 [2023-05-04 00:31:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-05-04 00:31:44,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72481452] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:44,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:44,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-04 00:31:44,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080471061] [2023-05-04 00:31:44,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:44,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 00:31:44,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:44,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 00:31:44,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2023-05-04 00:31:44,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:44,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:44,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 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) [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:44,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:56,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 00:31:56,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 00:31:56,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:56,487 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:31:56,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:31:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash -745950603, now seen corresponding path program 6 times [2023-05-04 00:31:56,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:31:56,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86874102] [2023-05-04 00:31:56,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:31:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:31:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:31:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:56,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:31:56,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86874102] [2023-05-04 00:31:56,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86874102] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:31:56,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330488074] [2023-05-04 00:31:56,563 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 00:31:56,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:31:56,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:31:56,566 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) [2023-05-04 00:31:56,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 00:31:56,614 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2023-05-04 00:31:56,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 00:31:56,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 00:31:56,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:31:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:56,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:31:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 00:31:56,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330488074] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 00:31:56,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 00:31:56,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2023-05-04 00:31:56,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858115575] [2023-05-04 00:31:56,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 00:31:56,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 00:31:56,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 00:31:56,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 00:31:56,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-05-04 00:31:56,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:31:56,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 00:31:56,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 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) [2023-05-04 00:31:56,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:31:56,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:56,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:31:56,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:56,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:31:56,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:31:56,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:31:56,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 00:31:56,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 00:32:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 00:32:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 00:32:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 00:32:14,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 00:32:14,309 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,SelfDestructingSolverStorable8 [2023-05-04 00:32:14,310 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-05-04 00:32:14,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 00:32:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash -39416977, now seen corresponding path program 7 times [2023-05-04 00:32:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 00:32:14,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040905536] [2023-05-04 00:32:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 00:32:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 00:32:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:32:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 00:32:14,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 00:32:14,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040905536] [2023-05-04 00:32:14,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040905536] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 00:32:14,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448783320] [2023-05-04 00:32:14,800 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 00:32:14,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 00:32:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 00:32:14,801 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) [2023-05-04 00:32:14,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 00:32:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 00:32:14,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 00:32:14,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 00:32:14,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 00:32:14,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2023-05-04 00:32:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 00:32:14,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 00:32:15,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2023-05-04 00:32:15,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 00:32:15,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 00:32:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 00:32:15,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 00:32:50,433 WARN L233 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 69 DAG size of output: 63 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 00:32:51,241 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 00:32:51,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 29516 treesize of output 28546 Received shutdown request... [2023-05-04 00:45:04,844 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 00:45:04,847 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (5 of 6 remaining) [2023-05-04 00:45:04,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 00:45:04,871 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 [2023-05-04 00:45:04,871 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 [2023-05-04 00:45:04,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 00:45:05,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 00:45:05,048 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. [2023-05-04 00:45:05,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-05-04 00:45:05,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-05-04 00:45:05,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-05-04 00:45:05,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-05-04 00:45:05,050 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-05-04 00:45:05,061 INFO L444 BasicCegarLoop]: Path program histogram: [7, 2, 1] [2023-05-04 00:45:05,063 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 00:45:05,063 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 00:45:05,065 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:45:05 BasicIcfg [2023-05-04 00:45:05,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 00:45:05,066 INFO L158 Benchmark]: Toolchain (without parser) took 826424.04ms. Allocated memory was 127.9MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 88.9MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. [2023-05-04 00:45:05,066 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 00:45:05,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.59ms. Allocated memory is still 127.9MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 00:45:05,066 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 86.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 00:45:05,067 INFO L158 Benchmark]: RCFGBuilder took 286.03ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 75.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-04 00:45:05,067 INFO L158 Benchmark]: TraceAbstraction took 826079.48ms. Allocated memory was 127.9MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 74.2MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. [2023-05-04 00:45:05,068 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 0.12ms. Allocated memory is still 127.9MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.59ms. Allocated memory is still 127.9MB. Free memory was 88.9MB in the beginning and 87.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 86.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 286.03ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 75.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 826079.48ms. Allocated memory was 127.9MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 74.2MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 5.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9703252, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 510059, dependent conditional: 510031, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9434479, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 241286, dependent conditional: 241258, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9434479, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 241286, dependent conditional: 241258, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 1022195, dependent unconditional: 346401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 865969, dependent unconditional: 502627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 865969, dependent unconditional: 502627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1853, independent: 1344, independent conditional: 99, independent unconditional: 1245, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1853, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 614, dependent conditional: 0, dependent unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 614, independent: 105, independent conditional: 99, independent unconditional: 6, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 614, independent: 105, independent conditional: 99, independent unconditional: 6, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1313, independent: 239, independent conditional: 188, independent unconditional: 51, dependent: 1074, dependent conditional: 887, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10561789, independent: 9191849, independent conditional: 105016, independent unconditional: 9086833, dependent: 1368087, dependent conditional: 865488, dependent unconditional: 502599, unknown: 1853, unknown conditional: 580, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1853, Positive cache size: 1344, Positive conditional cache size: 99, Positive unconditional cache size: 1245, Negative cache size: 509, Negative conditional cache size: 481, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 156226, Maximal queried relation: 9, Independence queries for same thread: 268773 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 3584, Number of trivial persistent sets: 2412, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1372, independent: 1344, independent conditional: 0, independent unconditional: 1344, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9703252, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 510059, dependent conditional: 510031, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9434479, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 241286, dependent conditional: 241258, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9434479, independent: 9193193, independent conditional: 9191849, independent unconditional: 1344, dependent: 241286, dependent conditional: 241258, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 1022195, dependent unconditional: 346401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 865969, dependent unconditional: 502627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10561789, independent: 9193193, independent conditional: 105115, independent unconditional: 9088078, dependent: 1368596, dependent conditional: 865969, dependent unconditional: 502627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1853, independent: 1344, independent conditional: 99, independent unconditional: 1245, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1853, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 614, dependent conditional: 0, dependent unconditional: 614, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 614, independent: 105, independent conditional: 99, independent unconditional: 6, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 614, independent: 105, independent conditional: 99, independent unconditional: 6, dependent: 509, dependent conditional: 481, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1313, independent: 239, independent conditional: 188, independent unconditional: 51, dependent: 1074, dependent conditional: 887, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10561789, independent: 9191849, independent conditional: 105016, independent unconditional: 9086833, dependent: 1368087, dependent conditional: 865488, dependent unconditional: 502599, unknown: 1853, unknown conditional: 580, unknown unconditional: 1273] , Statistics on independence cache: Total cache size (in pairs): 1853, Positive cache size: 1344, Positive conditional cache size: 99, Positive unconditional cache size: 1245, Negative cache size: 509, Negative conditional cache size: 481, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 156226, Maximal queried relation: 9, Independence queries for same thread: 268773 - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - TimeoutResultAtElement [Line: 80]: 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 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - TimeoutResultAtElement [Line: 79]: 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 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - TimeoutResultAtElement [Line: 79]: 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 44 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 3ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 67 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 825.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 48.9s, 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: 120, 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, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 734 NumberOfCodeBlocks, 734 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1048 ConstructedInterpolants, 8 QuantifiedInterpolants, 4770 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1045 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 373/777 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